KR20230065842A - Electronic device receiving fm radio signal - Google Patents

Abstract

An electronic device according to an embodiment disclosed in this document includes a radio frequency (RF) antenna for receiving or transmitting a first frequency band signal from the outside, an RF communication circuit for processing the first frequency band signal, and the first frequency band signal. A frequency modulation (FM) radio reception module processing a second frequency band signal different from a first frequency band signal, a first PCB (printed circuit board) on which the RF communication circuit and the FM radio reception module are disposed, and the RF antenna are disposed A second PCB, and a first wire electrically connecting the RF communication circuit and the RF antenna to transmit the first frequency band signal between the RF communication circuit and the RF antenna, and both ends are opened, respectively. A first connecting member including a second wire, wherein the second wire receives at least one of the first frequency band signal and the second frequency band signal from the outside, and both ends of the second wire are Each is connected to ground via a signal filter unit blocking the passage of the second frequency band signal, and an arbitrary first point on the second wire of the first connection member is electrically connected to the FM radio reception module. can be connected to

Description

Electronic device receiving FM radio signal {ELECTRONIC DEVICE RECEIVING FM RADIO SIGNAL}

Various embodiments disclosed in this document relate to an electronic device that receives an FM radio signal.

Recently, various electronic devices such as smart phones, tablet PCs, portable multimedia players (PMPs), personal digital assistants (PDAs), laptop personal computers (laptop PCs) and/or wearable devices These electronic devices are equipped with various additional functions for user convenience in addition to a function of performing voice calls or data communications, and among the various additional functions, an FM radio reception function can be provided.

In order to provide an FM radio reception function in an electronic device, an FM radio reception circuit and an antenna are required. In the case of an FM radio receiving antenna, since it must resonate in a low frequency band of approximately 87.5 MHz to 110 MHz, the length of the antenna must be implemented long.

Considering that users typically listen to FM radio broadcasts with earphones, electronic devices often use earphones as antennas for FM radio reception. For example, when an earphone is connected to an earphone connector without installing a separate antenna for receiving an FM radio signal inside the electronic device, the ground of the earphone acts as an antenna for receiving the FM radio signal. It is often implemented as

The method of receiving the FM radio signal through the earphone requires a separate configuration for handling the FM radio signal on the ground of the earphone connection circuit inside the electronic device, and at this time, the earphone sound quality may deteriorate due to the additional parts. For example, crosstalk degradation may occur due to DC resistance added to the ground of the earphone circuit. In addition, when the earphone is not connected, it is impossible to receive the FM radio signal, and the user cannot listen to the FM radio broadcast through a speaker or wireless earphone. Furthermore, since the future electronic device design technology direction is toward portless and wireless, there is a demand for an electronic device capable of receiving FM radio signals without earphones.

To enable reception of FM radio signals without connecting earphones, electronic devices require a separate antenna for receiving FM radio signals. However, when a separate FM radio signal receiving antenna is mounted on an electronic device, an additional mechanical space is required and additional parts cost may be incurred.

Embodiments disclosed in this document provide an electronic device capable of receiving an FM radio signal by utilizing various structures or parts provided in the electronic device without external subsidiary materials (eg, earphones) or a separate antenna for receiving FM radio signals. can do.

An electronic device according to an embodiment disclosed in this document includes a radio frequency (RF) antenna for receiving or transmitting a first frequency band signal from the outside, an RF communication circuit for processing the first frequency band signal, and the first frequency band signal. A frequency modulation (FM) radio reception module processing a second frequency band signal different from a first frequency band signal, a first PCB (printed circuit board) on which the RF communication circuit and the FM radio reception module are disposed, and the RF antenna are disposed A second PCB, and a first wire electrically connecting the RF communication circuit and the RF antenna to transmit the first frequency band signal between the RF communication circuit and the RF antenna, and both ends are opened, respectively. A first connecting member including a second wire, wherein the second wire receives at least one of the first frequency band signal and the second frequency band signal from the outside, and both ends of the second wire are Each is connected to ground via a signal filter unit blocking the passage of the second frequency band signal, and an arbitrary first point on the second wire of the first connection member is electrically connected to the FM radio reception module. can be connected to

An electronic device according to an embodiment disclosed in this document includes a housing, an FM radio reception module for processing a signal of a second frequency band, a first PCB on which the FM radio reception module is disposed, and located inside the housing; An input device exposed to the outside of the housing, a fifth PCB connected to the first PCB through a third interface at one end and connected to the input device through a fourth interface at the other end, and on the fifth PCB and a sixth wiring having both ends open, wherein the sixth wiring receives at least one of a first frequency band signal different from the second frequency band signal or a second frequency band signal from the outside. and one end of the sixth wire is connected to ground via a signal filter unit that blocks the passage of the second frequency band signal, and an arbitrary fourth point on the sixth wire is connected to the FM. It may be electrically connected to the radio reception module.

According to the embodiments disclosed in this document, an electronic device does not need to mount a separate antenna for receiving an FM radio signal, so it is not necessary to additionally prepare a mechanical space, and component costs can be reduced.

In addition, according to the embodiments disclosed in this document, the electronic device can prevent deterioration in sound quality by enabling FM radio signal reception without external subsidiary materials (eg, earphones), and the user can receive FM radio signals through a speaker, wireless earphone, etc. You can listen to the broadcast.

In addition to this, various effects identified directly or indirectly through this document may be provided.

1 is a block diagram of an electronic device in a network environment according to various embodiments.
2 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device according to an embodiment.
3 is a diagram illustrating a configuration and some circuits for receiving an FM radio signal of an electronic device including one coaxial cable according to an embodiment.
4 is a diagram illustrating a configuration and some circuits for receiving an FM radio signal of an electronic device including two coaxial cables according to an embodiment.
5 is a diagram illustrating a graph obtained by measuring impedance according to frequency of a circuit of a signal filter unit including a notch filter and a signal filter unit of an electronic device according to an exemplary embodiment.
6 is a diagram illustrating a configuration and some circuits for receiving an FM radio signal of an electronic device including a third PCB according to an embodiment.
7 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including a fourth PCB according to an embodiment.
8 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including a fourth PCB according to various embodiments.
9 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including a fourth PCB according to an embodiment.
10 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including an NFC antenna according to an embodiment.
11 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including an NFC antenna according to an embodiment.
12 is a diagram illustrating a configuration and some circuits for receiving an FM radio signal of an electronic device including a fifth PCB according to an embodiment.
13 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device according to an embodiment.

Hereinafter, various embodiments of this document will be described with reference to the accompanying drawings. However, this is not intended to limit the technology described in this document to specific embodiments, and should be understood to include various modifications, equivalents, and/or alternatives of the embodiments of this document. . In connection with the description of the drawings, like reference numerals may be used for like elements.

1 is a block diagram of an electronic device in a network environment according to various embodiments.

Referring to FIG. 1 , in a network environment 100, an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It may communicate with at least one of the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or the antenna module 197 may be included. In some embodiments, in the electronic device 101, at least one of these components (eg, the connection terminal 178) may be omitted or one or more other components may be added. In some embodiments, some of these components (eg, sensor module 176, camera module 180, or antenna module 197) are integrated into a single component (eg, display module 160). It can be.

The processor 120, for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, the processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 . According to one embodiment, the processor 120 may include a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor). For example, when the electronic device 101 includes the main processor 121 and the auxiliary processor 123, the auxiliary processor 123 may use less power than the main processor 121 or be set to be specialized for a designated function. can The secondary processor 123 may be implemented separately from or as part of the main processor 121 .

The secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to one embodiment, the auxiliary processor 123 (eg, image signal processor or communication processor) may be implemented as part of other functionally related components (eg, camera module 180 or communication module 190). there is. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing device) may include a hardware structure specialized for processing an artificial intelligence model. AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning or reinforcement learning, but in the above example Not limited. The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the foregoing, but is not limited to the foregoing examples. The artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, program 140) and commands related thereto. The memory 130 may include volatile memory 132 or non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used by a component (eg, the processor 120) of the electronic device 101 from the outside of the electronic device 101 (eg, a user). The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output sound signals to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. A receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

The display module 160 may visually provide information to the outside of the electronic device 101 (eg, a user). The display module 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device. According to one embodiment, the display module 160 may include a touch sensor set to detect a touch or a pressure sensor set to measure the intensity of force generated by the touch.

The audio module 170 may convert sound into an electrical signal or vice versa. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do. According to one embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.

The interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102). According to one embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 may be physically connected to an external electronic device (eg, the electronic device 102). According to one embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses. According to one embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to one embodiment, the power management module 188 may be implemented as at least part of a power management integrated circuit (PMIC), for example.

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : a local area network (LAN) communication module or a power line communication module). Among these communication modules, a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a telecommunications network such as a computer network (eg, a LAN or a WAN). These various types of communication modules may be integrated as one component (eg, a single chip) or implemented as a plurality of separate components (eg, multiple chips). The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199. The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, NR access technology (new radio access technology). NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)). -latency communications)) can be supported. The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 uses various technologies for securing performance in a high frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. Technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna may be supported. The wireless communication module 192 may support various requirements defined for the electronic device 101, an external electronic device (eg, the electronic device 104), or a network system (eg, the second network 199). According to one embodiment, the wireless communication module 192 is a peak data rate for eMBB realization (eg, 20 Gbps or more), a loss coverage for mMTC realization (eg, 164 dB or less), or a U-plane latency for URLLC realization (eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) may be supported.

The antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device). According to one embodiment, the antenna module 197 may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (eg, PCB). According to one embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is selected from the plurality of antennas by the communication module 190, for example. can be chosen A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) may be additionally formed as a part of the antenna module 197 in addition to the radiator.

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or part of operations executed in the electronic device 101 may be executed in one or more external electronic devices among the external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself. Alternatively or additionally, one or more external electronic devices may be requested to perform the function or at least part of the service. One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 101 . The electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed. To this end, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an internet of things (IoT) device. Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199 . The electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

Hereinafter, an electronic device including an antenna for receiving an FM radio signal using at least one component mounted inside the electronic device will be described with reference to FIG. 2 .

2 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device according to an embodiment.

Referring to FIG. 2 , the electronic device includes an RF communication circuit 201, an RF antenna 203, a connection member 205, a near field communication (NFC) communication module 210, an NFC antenna 215, and a processor 217. , PCB 219, FM radio receiving module 220, and/or amplifier 225.

RF communication circuitry 201 may include transmit circuitry and/or receive circuitry. According to an embodiment, the RF communication circuit 201 may receive a first frequency band signal from the outside or transmit the first frequency band signal to the outside using a wireless communication network through the RF antenna 203 . For example, the RF communication circuit 201 processes the first frequency band signal using a transmission circuit based on the control signal received from the processor 217 and transmits the processed first frequency band signal to the RF antenna 203. can be output externally. As another example, the RF communication circuit 201 processes the first frequency band signal received through the RF antenna 203 using the receiving circuit based on the control signal received from the processor 217, and then sends the processor 217 can be printed out. The first frequency band signal processed by the RF communication circuit 201 is, for example, 5G wireless communication (5th generation wireless communication), long term evolution (LTE) communication, LTE-Advanced communication, code division multiple access (CDMA) It may be a signal for wireless communication using a cellular network such as communication, global system for mobile communications (GSM) communication, or a WLAN such as wireless fidelity (Wi-Fi) or Bluetooth. (wireless local area network) may be a signal for communication.

The RF antenna 203 may include a conductive wire capable of receiving signals in the first frequency band. According to one embodiment, the RF antenna 203 may transmit and receive signals in the first frequency band or generate a magnetic field. For example, the RF antenna 203 receives the first frequency band signal processed by the transmission circuit of the RF communication circuit 201 through the connection member 205, generates a magnetic field, and outputs it to the outside or receives the signal received from the outside. The first frequency band signal may be transmitted to the receiving circuit of the RF communication circuit 201 through the connecting member 205 .

According to one embodiment, the connection member 205 may serve to electrically connect the RF communication circuit 201 and the RF antenna 203. According to one embodiment, the connection member 205 transfers the first frequency band signal processed by the transmission circuit of the RF communication circuit 201 to the RF antenna 203 or the RF antenna 203 receives the first signal from the outside. A frequency band signal may be transmitted to the RF communication circuit 201 . According to one embodiment, the connecting member 205 may include at least one connecting member to transfer a first frequency band signal between the RF communication circuit 201 and the RF antenna 203 . For example, the connecting member 205 may include a plurality of connecting members to transmit a first frequency band signal for each frequency band between the RF communication circuit 201 and the RF antenna 203 . The connection member 205 may correspond to any one of, for example, a coaxial cable or a printed circuit board (PCB). According to one embodiment, a ground wire included in the connecting member 205 may function as an FM antenna 227 for receiving a second frequency band signal. The second frequency band signal may be, for example, a signal of an FM radio frequency band (eg, a frequency band of 87.5 MHz to 110 MHz). The connection member 205 may be implemented in various types and numbers, and the type and number of the connection members 205 are not limited or limited in this document.

The NFC communication module 210 may include an NFC circuit 211 and/or a matching unit 213. According to one embodiment, the NFC circuit 211 receives and processes the reception signal of the NFC frequency band received through the NFC antenna 215, and processes the transmission signal of the NFC frequency band to be transmitted through the NFC antenna 215. can do. According to one embodiment, the matching unit 213 may be connected between the NFC circuit 211 and the NFC antenna 215. According to an embodiment, the matching unit 213 matches the impedance of the NFC circuit 211 and the impedance of the NFC antenna 215 to enable signal transmission and reception of the NFC frequency band, reduce signal loss and transmit the NFC signal. characteristics can be improved.

The NFC antenna 215 may include a conductive wire capable of receiving a signal in a frequency band of 13 MHz to 110 MHz, and the conductive wire may have a closed loop shape of a plurality of turns or a plurality of closed loops of a plurality of turns. can be implemented to achieve According to one embodiment, the NFC antenna 215 may receive signals in a frequency band of 13 MHz to 110 MHz. For example, the NFC antenna 215 may transmit and receive an NFC signal of a frequency band of 13.56 MHz, receive a second frequency band signal, or generate a magnetic field. The NFC antenna 215 may be implemented in various structures, and the structure of the NFC antenna 215 is not limited or limited in this document.

The processor 217 may be electrically connected to the RF communication circuit 201 , the FM circuit 221 , and/or the NFC circuit 211 . According to one embodiment, the processor 217 transmits various control signals for controlling the RF communication circuit 201, the FM circuit 221, and/or the NFC circuit 211 to the RF communication circuit 201, the FM circuit ( 221), and/or the NFC circuit 211. For example, the processor 217 may control the RF communication circuit 201 by outputting a control signal to the RF communication circuit 201 to transmit and receive the first frequency band signal through the RF antenna 203 . As another example, the processor 217 may control the FM circuit 221 by outputting a control signal to the FM circuit 201 to receive the second frequency band signal through the FM antenna 227 . As another example, the processor 217 may control the NFC circuit 211 by outputting a control signal to the NFC circuit 211 to transmit and receive an NFC signal through the NFC antenna 215 .

According to an embodiment, the processor 217 may control a switch (not shown) depending on whether the electronic device is in an NFC signal transmission/reception mode or in a second frequency band signal reception mode. For example, the processor 217 connects the NFC antenna 215 to the NFC communication module 210 when the electronic device is in the NFC signal transmission/reception mode, and the NFC antenna 215 is not connected to the FM radio reception module 220. A switch (not shown) may be controlled so as not to As another example, the processor 217 may switch (not shown) such that the NFC antenna 215 is connected to the FM radio reception module 220 and not connected to the NFC communication module 210 when the electronic device is in the second frequency band signal reception mode. time) can be controlled. According to one embodiment, the switch (not shown) may include a plurality of switches respectively connected between the NFC antenna 215 and the NFC communication module 210 and between the NFC antenna 215 and the FM radio reception module 220. there is. According to one embodiment, the switch (not shown) may include at least one switch connected between the NFC antenna 215, the NFC communication module 210, and the FM radio reception module 220.

The PCB 219 may include at least one PCB (eg, the fourth PCB 720 of FIG. 7 or the fifth PCB 1210 of FIG. 12 ) disposed in the electronic device. According to one embodiment, the PCB 219 may be a flexible printed circuit board (FPCB). According to one embodiment, a wire included in the PCB 219 may function as an FM antenna 227 for receiving a second frequency band signal.

The FM radio reception module 220 may include an FM circuit 221 and a matching unit 223. According to one embodiment, the FM circuit 221 may receive and process the second frequency band signal received through the FM antenna 227. According to one embodiment, the matching unit 223 may be connected between the FM circuit 211 and the FM antenna 227. According to one embodiment, the matching unit 223 may be connected between at least one component (eg, the connecting member 205, the NFC antenna 215, and/or the PCB 219) functioning as the FM antenna 227. can According to an embodiment, the matching unit 223 may match the impedance of the FM circuit 221 and the impedance of the FM antenna 227 to enable reception of the second frequency band signal.

The amplifier 225 may include a low noise amplifier (LNA). According to one embodiment, the amplifier 225 may be connected between the FM radio reception module 220 and the FM antenna 227. According to one embodiment, the second frequency band signal received through the FM antenna 227 may be amplified.

The FM antenna 227 may include at least one component 205, 215, 219 disposed within the electronic device. In the FM antenna 227, at least one of the parts 205, 215, and 219 included in the FM antenna 227 may include a conductive wire capable of receiving signals in the second frequency band. According to one embodiment, the FM antenna 227 may include at least one of a connecting member 205 disposed in an electronic device, an NFC antenna 215, or a PCB 219. For example, the FM antenna 227 may include any one of the connecting member 205, the NFC antenna 215, or the PCB 219. As another example, the FM antenna 227 may have a structure in which the connecting member 205, the NFC antenna 215, and the PCB 219 are connected to each other. The FM antenna 227 may be implemented in various structures, and the structure of the FM antenna 227 is not limited or limited in this document.

In this document, components identical to those shown in FIG. 2 may be referred to by the same reference numerals, and redundant descriptions of the components may be omitted.

Hereinafter, an electronic device including an antenna for receiving an FM radio signal using a coaxial cable disposed inside the electronic device will be described with reference to FIGS. 3 and 4 .

3 is a diagram illustrating a configuration and some circuits for receiving an FM radio signal of an electronic device including one coaxial cable according to an embodiment.

Referring to FIG. 3, the electronic device 300 includes an RF communication circuit 201, an RF antenna 203, an FM radio reception module 220, an amplifier 225, a first PCB 301, and a second PCB 303. ), a coaxial cable 310, and/or a signal filter unit 320.

The first PCB 301 may mount at least one of the RF communication circuit 201, the FM radio receiving module 220, the amplifier 225, and/or other components of the electronic device 300. Also, one end of the coaxial cable 310 may be connected to the first PCB 301 . According to one embodiment, the first PCB 301 may be a flexible printed circuit board (FPCB). According to one embodiment, the first PCB 301 may function as a ground plate. The first PCB 301 may be implemented in various types and structures, various components of the electronic device 300 may be disposed, and the type, structure, and disposed components of the first PCB 301 are described in this document. It is not limited or restricted.

The second PCB 303 may mount at least one of the RF antenna 203 and/or other components of the electronic device 300 . In addition, one end of the coaxial cable 310 connected to the first PCB 301 and the other end of the coaxial cable 310 may be connected to the second PCB 303 . According to one embodiment, the second PCB 303 may be a flexible printed circuit board (FPCB). According to one embodiment, the second PCB 303 may function as a ground plate. The second PCB 303 may be implemented in various types and structures, various parts of the electronic device 300 may be disposed, and the type, structure, and disposed parts of the second PCB 303 are described in this document. It is not limited or restricted.

The coaxial cable 310 may include a first wire 311 and/or a second wire 315 . According to an embodiment, the first wiring 311 and/or the second wiring 315 may be made of a conductive metal material. According to one embodiment, one end of the coaxial cable 310 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wire 311 may include a first end 312 and a second end 313 . According to one embodiment, the first end 312 may be electrically connected to the RF communication circuit 201 and the second end 313 may be electrically connected to the RF antenna 203 . According to an embodiment, the first wire 311 may function to transmit a first frequency band signal between the RF communication circuit 201 and the RF antenna 203 .

According to one embodiment, the second wire 315 may branch from an arbitrary first point 316 on the second wire 315 and be electrically connected to the FM radio reception module 220 . For example, the second wire 315 may branch from an arbitrary first point 316 on the second wire 315 and be electrically connected to the FM radio reception module 220 via the amplifier 225. According to one embodiment, the length of the second wire 315 may be 5 cm to 15 cm. Due to the sufficient length of the second wire 315, the second wire 315 is a signal of a relatively low frequency band, the FM radio signal. It can function as an antenna for receiving FM radio signals.

According to an embodiment, the second wire 315 may be connected to the ground. Due to the connection of the second wire 315 to the ground, the first frequency band signal transmitted through the first wire 311 is transmitted from the outside. Power loss can be reduced by reducing received electrical interference.

According to an embodiment, the second wire 315 may be connected to the ground via a signal filter unit 320 that blocks any one of the first frequency band signal and the second frequency band signal from passing therethrough. The second frequency band signal may be, for example, a signal of an FM radio frequency band (eg, a frequency band of 87.5 MHz to 110 MHz). According to an embodiment, the signal filter unit 320 may include an inductor, a bead, or a notch filter configured to block any one of the first frequency band signal and the second frequency band signal from passing. notch filter) may be included.

According to an embodiment, the signal filter unit 320 may block the second frequency band signal from passing and pass the first frequency band signal. For example, the signal filter unit 320 includes any one of an inductor or a bead having an inductance value of 200nH to 250nH to have a high impedance value in the second frequency band and a low impedance value in the first frequency band, which is an RF band. can do. The signal filter unit 320 may have a high impedance value in the second frequency band and may be in an open state. In this case, the second frequency band signal received through the second wire 315 may be transmitted to the FM radio reception module 220 without being transmitted to the ground. In addition, the signal filter unit 320 may have a low impedance value in the first frequency band and may be in a short-circuited state. In this case, the first frequency band signal received through the second wire 315 is transmitted to the ground instead of being transmitted to the FM radio reception module 220, so that the first frequency band signal transmitted through the first wire 311 is transmitted to the outside. It can play a role in reducing electrical interference received from In other words, the signal filter unit 320 can serve as a line by maintaining the connection between the second wire 315 and the ground when receiving the first frequency band signal, which is a signal of the high frequency band, and the second wire 315, which is a signal of the low frequency band. When the second frequency band signal is received, the connection between the second wire 315 and the ground may be cut off to block transmission of the second frequency band signal to the ground.

In this document, components identical to those shown in FIG. 3 may be referred to by the same reference numerals, and redundant descriptions of the components may be omitted.

4 is a diagram illustrating a configuration and some circuits for receiving an FM radio signal of an electronic device including two coaxial cables according to an embodiment.

Referring to FIG. 4, the electronic device 400 includes an RF communication circuit 201, an RF antenna 203, an FM radio reception module 220, an amplifier 225, a first PCB 301, and a second PCB 303. ), a signal filter unit 320, a first coaxial cable 410, and/or a second coaxial cable 420.

According to an embodiment, the electronic device 400 divides the frequency band of the first frequency band signal transmitted and received between the RF communication circuit 201 and the RF antenna 203 into a third frequency band and a fourth frequency band, and two coaxial Signals of the third frequency band and signals of the fourth frequency band may be transmitted using cables (eg, the first coaxial cable 410 and the second coaxial cable 420), respectively. For example, the first coaxial cable 410 may transmit a third frequency band signal, and the second coaxial cable 420 may transmit a fourth frequency band signal. As another example, the first coaxial cable 410 may transmit a fourth frequency band signal, and the second coaxial cable 420 may transmit a third frequency band signal. According to an embodiment, the third frequency band is a relatively low frequency band in the frequency band for GSM communication, CDMA communication, WCDMA communication, LTE-Advanced communication, LTE communication, 5G communication, Wi-Fi, and / or Bluetooth communication , and the fourth frequency band is a frequency band for GSM communication, CDMA communication, WCDMA communication, LTE-Advanced communication, LTE communication, 5G communication, Wi-Fi, and / or Bluetooth communication. It can be a relatively high frequency band. there is. For example, the third frequency band may be a frequency band of 1.5 GHz or less, and the fourth frequency band may be a frequency band higher than 1.5 GHz. Alternatively, the second wire 415 may be included. According to an embodiment, the first wiring 411 and/or the second wiring 415 may be made of a conductive metal material. According to an embodiment, one end of the first coaxial cable 410 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wiring 411 of the first coaxial cable 410 may include a first end 412 and a second end 413 . According to one embodiment, the first end 412 may be electrically connected to the RF communication circuit 201 and the second end 413 may be electrically connected to the RF antenna 203 . According to one embodiment, the first wiring 411 of the first coaxial cable 410 transmits either a third frequency band signal or a fourth frequency band signal between the RF communication circuit 201 and the RF antenna 203 can function to do so.

According to one embodiment, the second wire 415 of the first coaxial cable 410 is branched from an arbitrary first point 416 on the second wire 415 to be electrically connected to the FM radio reception module 220. can For example, the second wire 415 may be branched from an arbitrary first point 416 on the second wire 415 and electrically connected to the FM radio reception module 220 via the amplifier 225. According to one embodiment, the length of the second wire 415 of the first coaxial cable 410 may be 5 cm to 15 cm. Due to the sufficient length of the second wire 415, the second wire 415 is relatively low. It can function as an FM radio signal receiving antenna for receiving an FM radio signal, which is a signal of a frequency band.

The second coaxial cable 420 may include a first wire 421 and/or a second wire 425 . According to an embodiment, the first wire 421 and/or the second wire 425 may be made of a conductive metal material. According to an embodiment, one end of the second coaxial cable 420 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wire 421 of the second coaxial cable 420 may include a first end 422 and a second end 423 . According to one embodiment, the first end 422 may be electrically connected to the RF communication circuit 201 and the second end 423 may be electrically connected to the RF antenna 203 . According to one embodiment, the first wiring 421 of the second coaxial cable 420 transmits either a third frequency band signal or a fourth frequency band signal between the RF communication circuit 201 and the RF antenna 203 can function to do so. For example, when the first wire 411 of the first coaxial cable 410 transmits a third frequency band signal, the first wire 421 of the second coaxial cable 420 transmits a fourth frequency band signal. can transmit As another example, when the first wire 411 of the first coaxial cable 410 transmits a fourth frequency band signal, the first wire 421 of the second coaxial cable 420 transmits a third frequency band signal. can Hereinafter, for convenience of description, the first wire 411 of the first coaxial cable 410 transmits a signal in a third frequency band, and the second wire 421 of the second coaxial cable 420 transmits a signal in a fourth frequency band. It will be described as transmitting a signal, but various embodiments of this document are not limited or limited thereto.

According to one embodiment, the second wire 425 of the second coaxial cable 420 is branched at an arbitrary third point 426 on the second wire 425 to the second wire of the first coaxial cable 410. It may be electrically connected to any second point 417 on (415). In this case, the second wire 415 of the first coaxial cable 410 and the second wire 425 of the second coaxial cable 420 are electrically connected to each other, so that the wire functioning as an antenna for receiving an FM radio signal is extended. FM radio frequency band signal reception performance can be improved.

According to one embodiment, the second wiring 415 of the first coaxial cable 410 and the second wiring 425 of the second coaxial cable 420 may be connected to ground, thereby causing the first coaxial cable 410 The third frequency band signal and the fourth frequency band signal transmitted through the first wire 411 of the ) and the first wire 421 of the second coaxial cable 420 reduce electrical interference received from the outside, thereby reducing power loss. can reduce

According to an embodiment, the second wire 415 of the first coaxial cable 410 and the second wire 425 of the second coaxial cable 420 are either a first frequency band signal or a second frequency band signal. It may be connected to the ground via the signal filter unit 320 blocking the passage of the signal of . The second frequency band signal may be, for example, a signal of an FM radio frequency band (a frequency band of 87.5 MHz to 110 MHz). According to an embodiment, the signal filter unit 320 may include any one of an inductor, a bead, and a notch filter configured to block any one of the first frequency band signal and the second frequency band signal from passing therethrough. there is.

According to an embodiment, the signal filter unit 320 may block the second frequency band signal from passing and pass the first frequency band signal. For example, the signal filter unit 320 includes any one of an inductor or a bead having an inductance value of 200nH to 250nH to have a high impedance value in the second frequency band and a low impedance value in the first frequency band, which is an RF band. can do. The signal filter unit 320 may have a high impedance value in the second frequency band and may be in an open state. In this case, the second frequency band signal received through the second wire 415 of the first coaxial cable 410 and the second wire 425 of the second coaxial cable 420 is not transmitted to the ground and the FM radio reception module (220). In addition, the signal filter unit 320 may have a low impedance value in the first frequency band and may be in a short-circuited state. In this case, the first frequency band signal received through the second wire 415 of the first coaxial cable 410 and the second wire 425 of the second coaxial cable 420 is transmitted to the FM radio reception module 220. The third frequency band signal and the fourth frequency band signal are transmitted to the ground and transmitted through the first wire 411 of the first coaxial cable 410 and the first wire 421 of the second coaxial cable 420. It can play a role in reducing electrical interference received from the outside. In other words, when the signal filter unit 320 receives the first frequency band signal, which is a signal of a high frequency band, the second wire 415 of the first coaxial cable 410 and the second wire ( 425) and the ground to serve as a line, and when receiving a second frequency band signal, which is a signal of a low frequency band, the second wire 415 of the first coaxial cable 410 and the second coaxial cable ( Transmission of the second frequency band signal to the ground may be blocked by blocking the connection between the second wire 425 of 420 and the ground.

In this document, components identical to those shown in FIG. 4 may be referred to by the same reference numerals, and redundant descriptions of the components may be omitted.

Hereinafter, a signal filter unit including a notch filter will be described with reference to FIG. 5 .

5 is a diagram illustrating a graph obtained by measuring impedance according to frequency of a circuit of a signal filter unit including a notch filter and a signal filter unit of an electronic device according to an exemplary embodiment.

Referring to the circuit 510 of FIG. 5 , the signal filter unit 320 may be a notch filter configured by connecting an inductor 511 and a capacitor 513 in parallel.

According to one embodiment, the signal filter unit 320 may include a notch filter configured to have a high impedance value in a second frequency band, which is an FM radio frequency band, and a low impedance value in a first frequency band, which is an RF band. In this case, the signal filter unit 320 may block the passage of the second frequency band signal and pass the first frequency band signal. For example, the signal filter unit 320 may include an inductor 511 having an inductance value of 120nH and a capacitor 513 having a capacitance value of 27pF connected in parallel. The inductance value of the inductor 511 and the capacitance value of the capacitor 513 constituting the signal filter unit 320 have various values that block the second frequency band signal from passing and allow the first frequency band signal to pass. It may have, and is not limited or limited in this document.

The graph 520 of FIG. 5 shows the impedance value of the signal filter unit 320 configured by connecting in parallel an inductor 511 having an inductance value of 120 nH and a capacitor 513 having a capacitance value of 27 pF in decibel (dB) units. It may be a graph measured according to the frequency. Hereinafter, for convenience of description, an impedance value in decibel units may be described based on an absolute value.

Referring to the graph 520, the signal filter unit 320 has an absolute value of impedance of about 30 dB to 50 dB in a frequency band of about 80 MHz to 110 MHz, and the absolute value of impedance is continuously in a frequency band of 80 MHz or less or 110 MHz or more. decrease can be seen. That is, the signal filter unit 320 may be in an open state by having the highest absolute impedance value in the FM radio frequency band of 87.5 MHz to 110 MHz. In addition, the signal filter unit 320 may be in a short-circuited state by having a low absolute impedance value in an RF band of 110 MHz or higher.

Hereinafter, an electronic device including an antenna for receiving an FM radio signal using a plurality of PCBs disposed inside the electronic device will be described with reference to FIGS. 6, 7, 8, and 9.

6 is a diagram illustrating a configuration and some circuits for receiving an FM radio signal of an electronic device including a third PCB according to an embodiment.

Referring to FIG. 6, the electronic device 600 includes an RF communication circuit 201, an RF antenna 203, an FM radio reception module 220, an amplifier 225, a first PCB 301, and a second PCB 303. ), a third PCB 610, and/or a signal filter unit 320.

The third PCB 610 may include a first wire 611 , a second wire 615 , a first interface unit 617 , and/or a second interface unit 618 . According to an embodiment, the third PCB 610 may be a flexible printed circuit board (FPCB). The second PCB 303 may function as a ground plate. According to an embodiment, the first wiring 611 and/or the second wiring 615 disposed on the third PCB 610 may be made of a conductive metal material. According to one embodiment, the third PCB 610 is connected to the first PCB 301 through the first interface unit 617 at one end and the second interface unit 618 at the other end. It may be connected to the PCB 303. The third PCB 610 may be implemented in various types and structures, various parts of the electronic device 600 may be disposed, and the type, structure, and disposed parts of the third PCB 610 are described in this document. It is not limited or restricted.

The first wire 611 disposed on the third PCB 610 may include a first end 612 and a second end 613 . According to one embodiment, the first end 612 may be electrically connected to the RF communication circuit 201 and the second end 613 may be electrically connected to the RF antenna 203 . According to an embodiment, the first wire 611 may function to transmit a first frequency band signal between the RF communication circuit 201 and the RF antenna 203 .

According to one embodiment, the second wiring 615 disposed on the third PCB 610 branches at an arbitrary first point 616 on the second wiring 615 to electrically connect the FM radio reception module 220 can be connected to For example, the second wire 615 may branch from an arbitrary first point 616 on the second wire 615 and be electrically connected to the FM radio reception module 220 via the amplifier 225. According to one embodiment, the length of the second wire 615 may be 5 cm to 15 cm. Due to the sufficient length of the second wire 615, the second wire 615 is a signal of a relatively low frequency band, the FM radio signal. It can function as an antenna for receiving FM radio signals.

According to an embodiment, the second wire 615 may be connected to the ground via the signal filter unit 320 blocking any one of the first frequency band signal and the second frequency band signal from passing therethrough. The second frequency band signal may be, for example, a signal of an FM radio frequency band (a frequency band of 87.5 MHz to 110 MHz). According to an embodiment, the signal filter unit 320 may include any one of an inductor, a bead, and a notch filter configured to block any one of the first frequency band signal and the second frequency band signal from passing therethrough. there is.

According to an embodiment, the signal filter unit 320 may block the second frequency band signal from passing and pass the first frequency band signal. For example, the signal filter unit 320 may be implemented to have a high impedance value in a second frequency band, which is an FM radio frequency band, and a low impedance value in a first frequency band, which is an RF band. The signal filter unit 320 may have a high impedance value in the second frequency band and may be in an open state. In this case, the second frequency band signal received through the second wire 615 may be transmitted to the FM radio reception module 220 without being transmitted to the ground. In addition, the signal filter unit 320 may have a low impedance value in the first frequency band and may be in a short-circuited state. In this case, the first frequency band signal received through the second wire 615 may be transmitted to the ground instead of being transmitted to the FM radio reception module 220 . In other words, the signal filter unit 320 can serve as a line by maintaining the connection between the second wire 615 and the ground when receiving the first frequency band signal, which is a signal of the high frequency band, and the second wire 615, which is a signal of the low frequency band. When the second frequency band signal is received, the connection between the second wire 615 and the ground may be cut off to block transmission of the second frequency band signal to the ground.

7 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including a fourth PCB according to an embodiment.

Referring to FIG. 7 , the electronic device 700 includes an RF communication circuit 201, an RF antenna 203, an FM radio reception module 220, an amplifier 225, a first PCB 301, and a second PCB 303. ), a connection member 710, a signal filter unit 320, and/or a fourth PCB 720.

According to one embodiment, the connection member 710 may serve to electrically connect the RF communication circuit 201 and the RF antenna 203. According to one embodiment, the connecting member 710 transfers the first frequency band signal processed by the transmission circuit of the RF communication circuit 201 to the RF antenna 203 or the RF antenna 203 receives the first signal from the outside. A frequency band signal may be transmitted to the RF communication circuit 201 . The connecting member 710 may correspond to, for example, either a coaxial cable or a PCB. Hereinafter, for convenience of description, the connecting member 710 will be described as corresponding to a coaxial cable. Various embodiments are not limited or limited thereto.

The connection member 710 may include a first wire 711 and/or a second wire 715 . According to an embodiment, the first wire 711 and/or the second wire 715 may be made of a conductive metal material. According to an embodiment, one end of the connection member 710 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wire 711 may include a first end 712 and a second end 713 . According to one embodiment, the first end 712 may be electrically connected to the RF communication circuit 201 and the second end 713 may be electrically connected to the RF antenna 203 . According to an embodiment, the first wire 711 may function to transmit a first frequency band signal between the RF communication circuit 201 and the RF antenna 203 .

According to an embodiment, the second wire 715 may branch from an arbitrary first point 716 on the second wire 715 and be electrically connected to the FM radio reception module 220 . For example, the second wire 715 may be branched from an arbitrary first point 716 on the second wire 715 and electrically connected to the FM radio reception module 220 via the amplifier 225. According to one embodiment, the length of the second wire 715 may be 5 cm to 15 cm. Due to the sufficient length of the second wire 715, the second wire 715 is a signal of a relatively low frequency band, the FM radio signal. It can function as an antenna for receiving FM radio signals.

The fourth PCB 720 may include a third wire 721 , a shielding layer 723 , and/or a fourth wire 725 . According to an embodiment, the fourth PCB 720 is connected to the first PCB 301 at one end through a first interface unit (not shown), and at the other end through a second interface unit (not shown). It may be connected to the second PCB 303 .

The third wiring 721 may include at least one wiring electrically connecting at least one component disposed on the first PCB 301 and at least one component disposed on the second PCB 303. . According to an embodiment, at least one wire included in the third wire 721 may be made of a conductive metal material.

The fourth wire 725 may be electrically connected to the FM radio reception module 220 at one end and electrically connected to an arbitrary first point 716 of the second wire 715 at the other end. For example, the fourth wire 725 is electrically connected to the FM radio reception module 220 via the amplifier 225 at one end, and an arbitrary first point on the second wire 715 at the other end. (716) and can be electrically connected. In this case, the second wire 715 of the connecting member 710 and the fourth wire 725 on the fourth PCB 720 are electrically connected to each other, so that the wire functioning as an antenna for receiving an FM radio signal is extended to generate FM radio frequencies. Band signal reception performance can be improved.

According to an embodiment, the second wire 715 may be connected to the ground via the signal filter unit 320 blocking any one of the first frequency band signal and the second frequency band signal from passing therethrough. The second frequency band signal may be, for example, a signal of an FM radio frequency band (a frequency band of 87.5 MHz to 110 MHz). According to an embodiment, the signal filter unit 320 may include any one of an inductor, a bead, and a notch filter configured to block any one of the first frequency band signal and the second frequency band signal from passing therethrough. there is.

According to an embodiment, the signal filter unit 320 may block the second frequency band signal from passing and pass the first frequency band signal. For example, the signal filter unit 320 may be implemented to have a high impedance value in a second frequency band, which is an FM radio frequency band, and a low impedance value in a first frequency band, which is an RF band. The signal filter unit 320 may have a high impedance value in the second frequency band and may be in an open state. In this case, the second frequency band signal received through the second wire 715 and the fourth wire 725 may be transmitted to the FM radio reception module 220 without being transmitted to the ground. In addition, the signal filter unit 320 may have a low impedance value in the first frequency band and may be in a short-circuited state. In this case, the first frequency band signal received through the second wire 715 and the fourth wire 725 may be transmitted to the ground instead of being transmitted to the FM radio reception module 220 . In other words, the signal filter unit 320 can serve as a line by maintaining the connection between the second wire 715 and the ground when receiving the first frequency band signal, which is a signal of the high frequency band, and the second wire 715, which is a signal of the low frequency band. When the second frequency band signal is received, the connection between the second wire 715 and the ground may be cut off to block transmission of the second frequency band signal to the ground.

The fourth wiring 725 may transmit the FM radio frequency band signal received from the outside to the FM radio reception module 220, and the FM radio frequency band signal is taken away by the third wiring 721, and the fourth wiring 725 The received FM radio frequency band signal may be attenuated. In addition, electromagnetic waves are generated by a signal transmitted through the third wire 721 and affect the fourth wire 725, thereby reducing FM radio frequency band signal reception performance.

According to an embodiment, the third wiring 721 and the fourth wiring 725 on the fourth PCB 720 may be spaced apart by a specified distance. Since the third wire 721 and the fourth wire 725 are spaced apart, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized, and thus FM radio frequency band signal reception can be performed. Performance can be improved. More specifically, among at least one wire included in the fourth wire 725 , a wire disposed closest to the third wire 721 may be spaced apart from the fourth wire 725 by a specified distance. For example, the designated distance may be twice or more than the diameter of the fourth wire 725 .

According to an embodiment, the shielding layer 723 may surround the third wiring 721 on the fourth PCB 720 . Because the shielding layer 723 surrounds the third wire 721 , the fourth wire 725 can receive the FM radio frequency band signal as it is without being stolen by the third wire 721 . In addition, the shielding layer 723 can shield electromagnetic waves generated from the third wire 721, and accordingly, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized. there is. According to an embodiment, the shielding layer 723 may be made of a conductive metal material in order to efficiently shield electromagnetic waves generated from the third wiring 721 .

In this document, components identical to those shown in FIG. 7 may be referred to by the same reference numerals, and redundant descriptions of the components may be omitted.

8 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including a fourth PCB according to various embodiments.

Referring to FIG. 8 , the first electronic device 810, the second electronic device 820, and the third electronic device 830 include an RF communication circuit 201, an RF antenna 203, and an FM radio receiving module 220. ), an amplifier 225, a first PCB 301, a second PCB 303, a connection member 710, a signal filter unit 320, and/or a fourth PCB 720.

The connection member 710 may include a first wire (eg, the first wire 711 of FIG. 7 ) and/or a second wire (eg, the second wire 715 of FIG. 7 ). According to an embodiment, the first wire (eg, the first wire 711 of FIG. 7 ) included in the connecting member 710 electrically connects the RF communication circuit 201 and the RF antenna 203 to perform RF communication. It may function to transmit a first frequency band signal between the circuit 201 and the RF antenna 203. According to an embodiment, the second wire included in the connection member 710 (eg, the second wire 715 of FIG. 7 ) may function as an FM radio signal receiving antenna.

The fourth PCB 720 may include a third wire 721 , a shielding layer 723 , and/or a fourth wire 725 . According to an embodiment, the fourth PCB 720 is connected to the first PCB 301 at one end through a first interface unit (not shown), and at the other end through a second interface unit (not shown). It may be connected to the second PCB 303 .

The third wiring 721 may include at least one wiring electrically connecting at least one component disposed on the first PCB 301 and at least one component disposed on the second PCB 303. . According to an embodiment, at least one wire included in the third wire 721 may be made of a conductive metal material.

The fourth wire 725 is electrically connected to the FM radio reception module 220 via the amplifier 225 at one end, and the second wire included in the connection member 710 at the other end (eg, FIG. 7 ). may be electrically connected to the second wire 715 of the The fourth wire 725 disposed on the fourth PCB 720 and the second wire included in the connecting member 710 (eg, the second wire 715 of FIG. 7 ) are FM radio signals for receiving an FM radio signal. It can function as an antenna for receiving signals. In this case, the fourth wire 725 may extend the length of the fourth wire 725 by having various patterns, thereby improving FM radio frequency band signal reception performance.

According to an embodiment, the first electronic device 810 may include a fourth PCB 720 on which a fourth wiring 725 having a zigzag pattern is disposed. In this case, the length of the fourth wire 725 is longer than when the fourth wire 725 has a straight pattern, so that FM radio frequency band signal reception performance can be improved.

According to an embodiment, the second electronic device 820 may include a fourth PCB 720 on which a fourth wiring 725 having a pattern crossing the fourth PCB 720 in a straight line twice is disposed. . In this case, the length of the fourth wire 725 is longer than when the fourth wire 725 has a pattern that crosses the fourth PCB 720 once in a straight line, thereby improving FM radio frequency band signal reception performance. .

According to an embodiment, the third electronic device 830 may include a fourth PCB 720 on which a fourth wiring 725 having a pattern crossing the fourth PCB 720 three times in a straight line is disposed. . In this case, the length of the fourth wire 725 is longer than when the fourth wire 725 has a pattern that crosses the fourth PCB 720 once or twice in a straight line, thereby improving FM radio frequency band signal reception performance. can make it

In addition to the embodiments disclosed in this document, the fourth wire 725 may have various patterns to improve FM radio frequency band signal reception performance by extending the length of the fourth wire 725. The pattern is not limited or restricted in this document.

According to an embodiment, the third wiring 721 and the fourth wiring 725 on the fourth PCB 720 may be spaced apart by a specified distance. Since the third wire 721 and the fourth wire 725 are spaced apart, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized, and thus FM radio frequency band signal reception can be performed. Performance can be improved. More specifically, the third wiring 721 on the fourth wiring 725 in which a wiring disposed closest to the third wiring 721 among at least one wiring included in the fourth wiring 725 has various patterns. and may be spaced apart by a specified distance from the nearest point. For example, the designated distance may be twice or more than the diameter of the fourth wire 725 .

According to an embodiment, the shielding layer 723 may surround the third wiring 721 on the fourth PCB 720 . Because the shielding layer 723 surrounds the third wire 721 , the fourth wire 725 can receive the FM radio frequency band signal as it is without being stolen by the third wire 721 . In addition, the shielding layer 723 can shield electromagnetic waves generated from the third wire 721, and accordingly, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized. there is. According to an embodiment, the shielding layer 723 may be made of a conductive metal material in order to efficiently shield electromagnetic waves generated from the third wiring 721 .

9 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including a fourth PCB according to an embodiment.

Referring to FIG. 9 , the electronic device 900 includes an RF communication circuit 201, an RF antenna 203, an FM radio reception module 220, an amplifier 225, a first PCB 301, and a second PCB 303. ), a first connection member 910, a second connection member 920, a signal filter unit 320, and/or a fourth PCB 720.

According to one embodiment, the first connection member 910 and the second connection member 920 may serve to electrically connect the RF communication circuit 201 and the RF antenna 203 . According to one embodiment, the first connection member 910 and the second connection member 920 transfers the first frequency band signal processed by the transmission circuit of the RF communication circuit 201 to the RF antenna 203 or the RF antenna 203 may transfer the first frequency band signal received from the outside to the RF communication circuit 201 . The first connection member 910 and the second connection member 920 may correspond to, for example, either a coaxial cable or a PCB. Hereinafter, for convenience of explanation, the first connection member 910 and the second connection member 920 will be described as corresponding to a coaxial cable, but various embodiments of the present document are not limited or limited thereto.

According to an embodiment, the electronic device 900 divides the frequency band of the first frequency band signal transmitted and received between the RF communication circuit 201 and the RF antenna 203 into a third frequency band and a fourth frequency band, and two connections are made. A signal of the third frequency band and a signal of the fourth frequency band may be transmitted using members (eg, the first connection member 910 and the second connection member 920 ). For example, the first connection member 910 may transmit a third frequency band signal, and the second connection member 920 may transmit a fourth frequency band signal. As another example, the first connection member 910 may transmit a fourth frequency band signal, and the second connection member 920 may transmit a third frequency band signal. According to an embodiment, the third frequency band is a relatively low frequency band in the frequency band for GSM communication, CDMA communication, WCDMA communication, LTE-Advanced communication, LTE communication, 5G communication, Wi-Fi, and / or Bluetooth communication , and the fourth frequency band is a frequency band for GSM communication, CDMA communication, WCDMA communication, LTE-Advanced communication, LTE communication, 5G communication, Wi-Fi, and / or Bluetooth communication. It can be a relatively high frequency band. there is. For example, the third frequency band may be a frequency band of 1.5 GHz or less, and the fourth frequency band may be a frequency band higher than 1.5 GHz.

The first connection member 910 may include a first wire 911 and/or a second wire 915 . According to an embodiment, the first wire 911 and/or the second wire 915 may be made of a conductive metal material. According to an embodiment, one end of the first connection member 910 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wire 911 of the first connection member 910 may include a first end 912 and a second end 913 . According to one embodiment, the first end 912 may be electrically connected to the RF communication circuit 201 and the second end 913 may be electrically connected to the RF communication circuit 201 . According to an embodiment, the first wire 911 of the first connection member 910 transmits either a third frequency band signal or a fourth frequency band signal between the RF communication circuit 201 and the RF antenna 203. can function to do so.

According to one embodiment, the second wire 915 of the first connection member 910 is electrically connected to the FM radio reception module 220 by branching at a first arbitrary point 916 on the second wire 915. can For example, the second wire 915 may branch from an arbitrary first point 916 on the second wire 915 and be electrically connected to the FM radio reception module 220 via the amplifier 225. According to an embodiment, the length of the second wire 915 may be 5 cm to 15 cm. Due to the sufficient length of the second wire 915, the second wire 915 is a signal of a relatively low frequency band, the FM radio signal. It can function as an antenna for receiving FM radio signals.

The second connection member 920 may include a first wire 921 and/or a second wire 925 . According to an embodiment, the first wire 921 and/or the second wire 925 may be made of a conductive metal material. According to an embodiment, one end of the second connection member 920 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wire 921 of the second connection member 920 may include a first end 922 and a second end 923 . According to one embodiment, the first end 922 may be electrically connected to the RF communication circuit 201 and the second end 923 may be electrically connected to the RF antenna 203 . According to an embodiment, the first wire 921 of the second connection member 920 transmits either a third frequency band signal or a fourth frequency band signal between the RF communication circuit 201 and the RF antenna 203. can function to do so. For example, when the first wire 911 of the first connection member 910 transmits a signal in a third frequency band, the first wire 921 of the second connection member 920 transmits a signal in a fourth frequency band. can transmit As another example, when the first wiring 911 of the first connection member 910 transmits a fourth frequency band signal, the first wiring 921 of the second connection member 920 transmits a third frequency band signal. can Hereinafter, for convenience of description, the first wire 911 of the first connection member 910 transmits a signal in a third frequency band, and the first wire 921 of the second connection member 920 transmits a signal in a fourth frequency band. It will be described as transmitting a signal, but various embodiments of this document are not limited or limited thereto.

According to an embodiment, the second wire 925 of the second connection member 920 branches at an arbitrary third point 926 on the second wire 925 to the second wire of the first connection member 910. Any second point 917 on 915 may be electrically connected. In this case, the second wiring 915 of the first connecting member 910 and the second wiring 925 of the second connecting member 920 are electrically connected to each other, so that the wiring functioning as an antenna for receiving an FM radio signal is extended. FM radio frequency band signal reception performance can be improved.

The fourth PCB 720 may include a third wire 721 , a shielding layer 723 , and/or a fourth wire 725 . According to an embodiment, the fourth PCB 720 is connected to the first PCB 301 at one end through a first interface unit (not shown), and at the other end through a second interface unit (not shown). It may be connected to the second PCB 303 .

The third wiring 721 may include at least one wiring electrically connecting at least one component disposed on the first PCB 301 and at least one component disposed on the second PCB 303. . According to an embodiment, at least one wire included in the third wire 721 may be made of a conductive metal material.

The fourth wiring 725 is electrically connected to the FM radio reception module 220 at one end, and an arbitrary first point 916 on the second wiring 915 of the first connecting member 910 at the other end. can be electrically connected to For example, the fourth wiring 725 is electrically connected to the FM radio reception module 220 via the amplifier 225 at one end, and the second wiring ( 915) may be electrically connected to an arbitrary first point 916. In this case, the second wiring 915 of the first connecting member 910, the second wiring 925 of the second connecting member 920, and the fourth wiring 725 on the fourth PCB 720 are electrically connected to each other. By being connected, a wiring functioning as an antenna for receiving an FM radio signal is extended, so that FM radio frequency band signal reception performance can be improved.

According to an embodiment, the second wire 915 of the first connection member 910 and the second wire 925 of the second connection member 920 are either a first frequency band signal or a second frequency band signal. It may be connected to the ground via the signal filter unit 320 blocking the passage of the signal of . The second frequency band signal may be, for example, a signal of an FM radio frequency band (a frequency band of 87.5 MHz to 110 MHz). According to an embodiment, the signal filter unit 320 may include any one of an inductor, a bead, and a notch filter configured to block any one of the first frequency band signal and the second frequency band signal from passing therethrough. there is.

According to an embodiment, the signal filter unit 320 may block the second frequency band signal from passing and pass the first frequency band signal. For example, the signal filter unit 320 may be implemented to have a high impedance value in a second frequency band, which is an FM radio frequency band, and a low impedance value in a first frequency band, which is an RF band. The signal filter unit 320 may have a high impedance value in the second frequency band and may be in an open state. In this case, the second wire 915 of the first connection member 910, the second wire 925 of the second connection member 920, and the fourth wire 725 on the fourth PCB 720 are received. The second frequency band signal may be transmitted to the FM radio reception module 220 without being transmitted to the ground. In addition, the signal filter unit 320 may have a low impedance value in the first frequency band and may be in a short-circuited state. In this case, the second wire 915 of the first connection member 910, the second wire 925 of the second connection member 920, and the fourth wire 725 on the fourth PCB 720 are received. The first frequency band signal may be transmitted to the ground without being transmitted to the FM radio reception module 220 . In other words, when the signal filter unit 320 receives the first frequency band signal, which is a signal of a high frequency band, the second wiring 915 of the first connection member 910 and the second wiring ( 925) and the ground may serve as a line by maintaining a connection between the second wire 915 of the first connection member 910 and the second connection member ( Transmission of the second frequency band signal to the ground may be blocked by blocking the connection between the second wire 925 of the line 920 and the ground.

According to an embodiment, the third wiring 721 and the fourth wiring 725 on the fourth PCB 720 may be spaced apart by a specified distance. Since the third wire 721 and the fourth wire 725 are spaced apart, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized, and thus FM radio frequency band signal reception can be performed. Performance can be improved. More specifically, among at least one wire included in the fourth wire 725 , a wire disposed closest to the third wire 721 may be spaced apart from the fourth wire 725 by a specified distance. For example, the designated distance may be twice or more than the diameter of the fourth wire 725 .

According to an embodiment, the shielding layer 723 may surround the third wiring 721 on the fourth PCB 720 . Because the shielding layer 723 surrounds the third wire 721 , the fourth wire 725 can receive the FM radio frequency band signal as it is without being stolen by the third wire 721 . In addition, the shielding layer 723 can shield electromagnetic waves generated from the third wire 721, and accordingly, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized. there is. According to an embodiment, the shielding layer 723 may be made of a conductive metal material in order to efficiently shield electromagnetic waves generated from the third wiring 721 .

Hereinafter, an electronic device including an antenna for receiving an FM radio signal using components disposed inside the electronic device will be described with reference to FIGS. 10 and 11 .

10 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including an NFC antenna according to an embodiment.

Referring to FIG. 10, the electronic device 1000 includes an RF communication circuit 201, an RF antenna 203, an NFC antenna 215, an FM radio receiving module 220, an amplifier 225, and a first PCB 301. , a second PCB 303, a connection member 1010, a signal filter unit 320, and/or a fourth PCB 720.

According to one embodiment, the connection member 1010 may serve to electrically connect the RF communication circuit 201 and the RF antenna 203. According to one embodiment, the connecting member 1010 transfers the first frequency band signal processed by the transmission circuit of the RF communication circuit 201 to the RF antenna 203 or the RF antenna 203 receives the first signal from the outside. A frequency band signal may be transmitted to the RF communication circuit 201 . The connecting member 1010 may correspond to any one of, for example, a coaxial cable or a PCB. Hereinafter, for convenience of description, the connecting member 1010 will be described as corresponding to a coaxial cable, but various embodiments of the present document are not limited or limited thereto.

The connecting member 1010 may include a first wire 1011 and/or a second wire 1015 . According to an embodiment, the first wiring 1011 and/or the second wiring 1015 may be made of a conductive metal material. According to an embodiment, one end of the connecting member 1010 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wiring 1011 may include a first end 1012 and a second end 1013 . According to one embodiment, the first end 1012 may be electrically connected to the RF communication circuit 201 and the second end 1013 may be electrically connected to the RF antenna 203 . According to an embodiment, the first wiring 1011 may function to transmit a first frequency band signal between the RF communication circuit 201 and the RF antenna 203 .

According to an embodiment, the second wire 1015 may be electrically connected to the FM radio reception module 220 by branching from an arbitrary first point 1016 on the second wire 1015 . For example, the second wire 1015 may branch from an arbitrary first point 1016 on the second wire 1015 and be electrically connected to the FM radio reception module 220 via the amplifier 225. According to an embodiment, the length of the second wire 1015 may be 5 cm to 15 cm. Due to the sufficient length of the second wire 1015, the second wire 1015 is an FM radio signal, which is a signal of a relatively low frequency band. It can function as an antenna for receiving FM radio signals.

The fourth PCB 720 may include a third wire 721 , a shielding layer 723 , and/or a fourth wire 725 . According to an embodiment, the fourth PCB 720 is connected to the first PCB 301 at one end through a first interface unit (not shown), and at the other end through a second interface unit (not shown). It may be connected to the second PCB 303 .

The third wiring 721 may include at least one wiring electrically connecting at least one component disposed on the first PCB 301 and at least one component disposed on the second PCB 303. . According to an embodiment, at least one wire included in the third wire 721 may be made of a conductive metal material.

The fourth wire 725 may be electrically connected to the FM radio reception module 220 at one end and electrically connected to an arbitrary first point 1016 of the second wire 1015 at the other end. For example, the fourth wiring 725 is electrically connected to the FM radio reception module 220 via the amplifier 225 at one end, and an arbitrary first point on the second wiring 1015 at the other end. (1016) and can be electrically connected. In this case, the second wiring 1015 of the connecting member 1010 and the fourth wiring 725 on the fourth PCB 720 are electrically connected to each other, so that the wiring functioning as an antenna for receiving an FM radio signal is extended to generate FM radio frequencies. Band signal reception performance can be improved.

According to one embodiment, the NFC antenna 215 may be disposed on the first PCB 301, and an arbitrary second point 1017 on the second wire 1015 of the connection member 1010 at one end and can be electrically connected. In this case, the second wiring 1015 of the connecting member 1010, the fourth wiring 725 on the fourth PCB 720, and the NFC antenna 215 are electrically connected to each other to function as an antenna for receiving an FM radio signal. As the wire is extended, FM radio frequency band signal reception performance can be improved.

According to an embodiment, the second wire 1015 may be connected to the ground via a signal filter unit 320 blocking any one of the first frequency band signal and the second frequency band signal from passing therethrough. The second frequency band signal may be, for example, a signal of an FM radio frequency band (a frequency band of 87.5 MHz to 110 MHz). According to an embodiment, the signal filter unit 320 may include any one of an inductor, a bead, and a notch filter configured to block any one of the first frequency band signal and the second frequency band signal from passing therethrough. there is.

According to an embodiment, the signal filter unit 320 may block the second frequency band signal from passing and pass the first frequency band signal. For example, the signal filter unit 320 may be implemented to have a high impedance value in a second frequency band, which is an FM radio frequency band, and a low impedance value in a first frequency band, which is an RF band. The signal filter unit 320 may have a high impedance value in the second frequency band and may be in an open state. In this case, the second frequency band signal received through the second wire 1015, the fourth wire 725, and the NFC antenna 215 may be transmitted to the FM radio reception module 220 without being transmitted to the ground. In addition, the signal filter unit 320 may have a low impedance value in the first frequency band and may be in a short-circuited state. In this case, the first frequency band signal received through the second wiring 1015, the fourth wiring 725, and the NFC antenna 215 may be transmitted to the ground instead of being transmitted to the FM radio reception module 220. In other words, the signal filter unit 320 can serve as a line by maintaining the connection between the second wire 1015 and the ground when receiving the first frequency band signal, which is a signal of the high frequency band, and the second wire 1015, which is a signal of the low frequency band. When the 2 frequency band signal is received, the connection between the second wire 1015 and the ground may be cut off to block transmission of the second frequency band signal to the ground.

According to an embodiment, the third wiring 721 and the fourth wiring 725 on the fourth PCB 720 may be spaced apart by a specified distance. Since the third wire 721 and the fourth wire 725 are spaced apart, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized, and thus FM radio frequency band signal reception can be performed. Performance can be improved. More specifically, among at least one wire included in the fourth wire 725 , a wire disposed closest to the third wire 721 may be spaced apart from the fourth wire 725 by a specified distance. For example, the designated distance may be twice or more than the diameter of the fourth wire 725 .

According to an embodiment, the shielding layer 723 may surround the third wiring 721 on the fourth PCB 720 . Because the shielding layer 723 surrounds the third wire 721 , the fourth wire 725 can receive the FM radio frequency band signal as it is without being stolen by the third wire 721 . In addition, the shielding layer 723 can shield electromagnetic waves generated from the third wire 721, and accordingly, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized. there is. According to an embodiment, the shielding layer 723 may be made of a conductive metal material in order to efficiently shield electromagnetic waves generated from the third wiring 721 .

11 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device including an NFC antenna according to an embodiment.

Referring to FIG. 11, the electronic device 1100 includes an RF communication circuit 201, an RF antenna 203, an NFC antenna 215, an FM radio reception module 220, an amplifier 225, and a first PCB 301. , a second PCB 303, a first connection member 1110, a second connection member 1120, a signal filter unit 320, and/or a fourth PCB 720.

According to an embodiment, the first connection member 1110 and the second connection member 1120 may serve to electrically connect the RF communication circuit 201 and the RF antenna 203. According to one embodiment, the first connection member 1110 and the second connection member 1120 transfers the first frequency band signal processed by the transmission circuit of the RF communication circuit 201 to the RF antenna 203 or the RF antenna 203 may transfer the first frequency band signal received from the outside to the RF communication circuit 201 . The first connection member 1110 and the second connection member 1120 may correspond to, for example, either a coaxial cable or a PCB. Hereinafter, for convenience of description, the first connection member 1110 and the second connection member 1120 will be described as corresponding to a coaxial cable, but various embodiments of the present document are not limited or limited thereto.

According to an embodiment, the electronic device 1100 divides the frequency band of the first frequency band signal transmitted and received between the RF communication circuit 201 and the RF antenna 203 into a third frequency band and a fourth frequency band, and two connections are made. A signal of the third frequency band and a signal of the fourth frequency band may be transmitted using members (eg, the first connection member 1110 and the second connection member 1120), respectively. For example, the first connection member 1110 may transmit a third frequency band signal, and the second connection member 1120 may transmit a fourth frequency band signal. As another example, the first connection member 1110 may transmit a fourth frequency band signal, and the second connection member 1120 may transmit a third frequency band signal. According to an embodiment, the third frequency band is a relatively low frequency band in the frequency band for GSM communication, CDMA communication, WCDMA communication, LTE-Advanced communication, LTE communication, 5G communication, Wi-Fi, and / or Bluetooth communication , and the fourth frequency band is a frequency band for GSM communication, CDMA communication, WCDMA communication, LTE-Advanced communication, LTE communication, 5G communication, Wi-Fi, and / or Bluetooth communication. It can be a relatively high frequency band. there is. For example, the third frequency band may be a frequency band of 1.5 GHz or less, and the fourth frequency band may be a frequency band higher than 1.5 GHz.

The first connection member 1110 may include a first wire 1111 and/or a second wire 1115 . According to an embodiment, the first wiring 1111 and/or the second wiring 1115 may be made of a conductive metal material. According to an embodiment, one end of the first connection member 1110 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wire 1111 of the first connection member 1110 may include a first end 1112 and a second end 1113 . According to one embodiment, the first end 1112 may be electrically connected to the RF communication circuit 201 and the second end 1113 may be electrically connected to the RF communication circuit 201 . According to an embodiment, the first wire 1111 of the first connection member 1110 transmits either a third frequency band signal or a fourth frequency band signal between the RF communication circuit 201 and the RF antenna 203. can function to do so.

According to one embodiment, the second wiring 1115 of the first connection member 1110 is electrically connected to the FM radio reception module 220 by branching at a first arbitrary point 1116 on the second wiring 1115. can For example, the second wire 1115 may branch from an arbitrary first point 1116 on the second wire 1115 and be electrically connected to the FM radio reception module 220 via the amplifier 225. According to an embodiment, the length of the second wire 1115 may be 5 cm to 15 cm. Due to the sufficient length of the second wire 1115, the second wire 915 transmits an FM radio signal, which is a signal of a relatively low frequency band. It can function as an antenna for receiving FM radio signals.

The second connection member 1120 may include a first wire 1121 and/or a second wire 1125 . According to an embodiment, the first wiring 1121 and/or the second wiring 1125 may be made of a conductive metal material. According to an embodiment, one end of the second connection member 1120 may be connected to the first PCB 301 and the other end may be connected to the second PCB 303 .

The first wire 1121 of the second connection member 1120 may include a first end 1122 and a second end 1123 . According to one embodiment, the first end 1122 may be electrically connected to the RF communication circuit 201 and the second end 1123 may be electrically connected to the RF antenna 203 . According to an embodiment, the first wire 1121 of the second connection member 1120 transmits either a third frequency band signal or a fourth frequency band signal between the RF communication circuit 201 and the RF antenna 203. can function to do so. For example, when the first wire 1111 of the first connection member 1110 transmits a third frequency band signal, the first wire 1121 of the second connection member 1120 transmits a fourth frequency band signal. can transmit As another example, when the first wiring 1111 of the first connection member 1110 transmits a fourth frequency band signal, the first wiring 1121 of the second connection member 1120 transmits a third frequency band signal. can Hereinafter, for convenience of description, the first wiring 1111 of the first connection member 1110 transmits a signal in a third frequency band, and the first wiring 1121 of the second connection member 1120 transmits a signal in a fourth frequency band. It will be described as transmitting a signal, but various embodiments of this document are not limited or limited thereto.

According to an embodiment, the second wire 1125 of the second connection member 1120 branches at an arbitrary third point 1126 on the second wire 1125 to the second wire of the first connection member 1110. It may be electrically connected to an arbitrary second point 1117 on (1115). In this case, the second wiring 1115 of the first connecting member 1110 and the second wiring 1125 of the second connecting member 1120 are electrically connected to each other, so that the wiring functioning as an antenna for receiving an FM radio signal is extended. FM radio frequency band signal reception performance can be improved.

The fourth PCB 720 may include a third wire 721 , a shielding layer 723 , and/or a fourth wire 725 . According to an embodiment, the fourth PCB 720 is connected to the first PCB 301 at one end through a first interface unit (not shown), and at the other end through a second interface unit (not shown). It may be connected to the second PCB 303 .

The third wiring 721 may include at least one wiring electrically connecting at least one component disposed on the first PCB 301 and at least one component disposed on the second PCB 303. . According to an embodiment, at least one wire included in the third wire 721 may be made of a conductive metal material.

The fourth wiring 725 is electrically connected to the FM radio reception module 220 at one end, and an arbitrary first point 1116 on the second wiring 1115 of the first connection member 1110 at the other end. can be electrically connected to For example, the fourth wiring 725 is electrically connected to the FM radio reception module 220 via the amplifier 225 at one end, and the second wiring of the first connection member 1110 at the other end ( 915) may be electrically connected to an arbitrary first point 1116. In this case, the second wiring 1115 of the first connecting member 1110, the second wiring 1125 of the second connecting member 1120, and the fourth wiring 725 on the fourth PCB 720 are electrically connected to each other. By being connected, a wiring functioning as an antenna for receiving an FM radio signal is extended, so that FM radio frequency band signal reception performance can be improved.

According to one embodiment, the NFC antenna 215 may be disposed on the first PCB 301, is electrically connected to the fourth wire 725 on the fourth PCB 720 at one end, and the other end of the NFC antenna 215. It can be electrically connected to the FM radio reception module 220. For example, the NFC antenna 215 is electrically connected to the fourth wiring 725 on the fourth PCB 720 at one end, and the FM radio reception module 220 via the amplifier 225 at the other end. can be electrically connected to In this case, the second wiring 1115 of the first connecting member 1110, the second wiring 1125 of the second connecting member 1120, the fourth wiring 725 on the fourth PCB 720, and the NFC antenna ( 215) are electrically connected to each other, so that a wire functioning as an antenna for receiving an FM radio signal is extended, thereby improving FM radio frequency band signal reception performance.

According to an embodiment, the second wire 1115 of the first connection member 1110 and the second wire 1125 of the second connection member 1120 are either a first frequency band signal or a second frequency band signal. It may be connected to the ground via the signal filter unit 320 blocking the passage of the signal of . The second frequency band signal may be, for example, a signal of an FM radio frequency band (a frequency band of 87.5 MHz to 110 MHz). According to an embodiment, the signal filter unit 320 may include any one of an inductor, a bead, and a notch filter configured to block any one of the first frequency band signal and the second frequency band signal from passing therethrough. there is.

According to an embodiment, the signal filter unit 320 may block the second frequency band signal from passing and pass the first frequency band signal. For example, the signal filter unit 320 may be implemented to have a high impedance value in a second frequency band, which is an FM radio frequency band, and a low impedance value in a first frequency band, which is an RF band. The signal filter unit 320 may have a high impedance value in the second frequency band and may be in an open state. In this case, the second wiring 1115 of the first connecting member 1110, the second wiring 1125 of the second connecting member 1120, the fourth wiring 725 on the fourth PCB 720, and the NFC antenna ( The second frequency band signal received through 215) may be transmitted to the FM radio reception module 220 without being transmitted to the ground. In addition, the signal filter unit 320 may have a low impedance value in the first frequency band and may be in a short-circuited state. In this case, the second wiring 1115 of the first connecting member 1110, the second wiring 1125 of the second connecting member 1120, the fourth wiring 725 on the fourth PCB 720, and the NFC antenna ( The first frequency band signal received through 215) may be transmitted to the ground instead of being transmitted to the FM radio reception module 220. In other words, when the signal filter unit 320 receives the first frequency band signal, which is a signal of a high frequency band, the second wiring 1115 of the first connection member 1110 and the second wiring ( 1125) and the ground can serve as a line by maintaining a connection between the second wire 1115 of the first connection member 1110 and the second connection member ( Transmission of the second frequency band signal to the ground may be blocked by blocking the connection between the second wire 1125 of 1120 and the ground.

According to an embodiment, the third wiring 721 and the fourth wiring 725 on the fourth PCB 720 may be spaced apart by a specified distance. Since the third wire 721 and the fourth wire 725 are spaced apart, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized, and thus FM radio frequency band signal reception can be performed. Performance can be improved. More specifically, among at least one wire included in the fourth wire 725 , a wire disposed closest to the third wire 721 may be spaced apart from the fourth wire 725 by a specified distance. For example, the designated distance may be twice or more than the diameter of the fourth wire 725 .

According to an embodiment, the shielding layer 723 may surround the third wiring 721 on the fourth PCB 720 . Because the shielding layer 723 surrounds the third wire 721 , the fourth wire 725 can receive the FM radio frequency band signal as it is without being stolen by the third wire 721 . In addition, the shielding layer 723 can shield electromagnetic waves generated from the third wire 721, and accordingly, the effect of electromagnetic waves generated from the third wire 721 on FM radio frequency band signal reception can be minimized. there is. According to an embodiment, the shielding layer 723 may be made of a conductive metal material in order to efficiently shield electromagnetic waves generated from the third wiring 721 .

Hereinafter, an electronic device including an antenna for receiving an FM radio signal using a PCB connected to an input device of the electronic device will be described with reference to FIG. 12 .

12 is a diagram illustrating a configuration and some circuits for receiving an FM radio signal of an electronic device including a fifth PCB according to an embodiment.

Referring to FIG. 12, the electronic device 1200 includes an FM radio reception module 220, an amplifier 225, a first PCB 301, a housing 1205, an input device 1207, a fifth PCB 1210, And/or a signal filter unit 320 may be included.

The housing 1205 may accommodate various components (eg, the processor 120 of FIG. 1 , the memory 130 of FIG. 1 , the communication module 190 of FIG. 1 , etc.) of the electronic device 1200 . According to one embodiment, the inside of the housing 1205 includes an FM radio receiving module 220, an amplifier 225, a first PCB 301, a fifth PCB 1210, and/or a signal filter unit 320. can be accepted. According to an embodiment, the housing 1205 may include an outer sidewall forming an outer surface of the electronic device 1200, and a portion exposed to the exterior of the electronic device 1200 may be made of a conductive metal material. there is. According to an embodiment, the housing 1205 may have at least one through hole provided in a portion of an outer sidewall, and the input device 1207 may be exposed to the outside through the through hole of the housing 1205 .

According to an embodiment, the input device 1207 may be exposed to the outside through a through hole provided in an outer sidewall of the housing 1205 . According to an embodiment, the input device 1207 may provide an interface for user input. For example, when a user presses the contact part of the input device 1207, the pressed contact part moves to the inside of the housing 1205, and as a result, a switch module in contact with the contact part of the input device 1207 is operated to generate an electrical signal. can As another example, the contact part of the input device 1207 may include a fingerprint sensor. In this case, when the user's fingerprint contacts the contact part of the input device 1207, the sensor module in contact with the contact part of the input device 1207 is operated and electrically signal can occur. A processor (eg, the processor 120 of FIG. 1 ) of the electronic device 1200 may receive the generated electrical signal and control the input device 1207 to perform a function related to an input.

The fifth PCB 1210 may include a first wire 1211 , a second wire 1215 , a first interface unit 1218 , and/or a second interface unit 1219 . According to an embodiment, the fifth PCB 1210 may be a flexible printed circuit board (FPCB). The fifth PCB 1210 may function as a ground plate. According to an embodiment, the first wiring 1211 and/or the second wiring 1215 disposed on the fifth PCB 1210 may be made of a conductive metal material. According to an embodiment, the fifth PCB 1210 is connected to the first PCB 301 at one end through the first interface unit 1218 and input device through the second interface unit 1219 at the other end. (1207) can be connected. The fifth PCB 1210 may be implemented in various types and structures, and the type and structure of the fifth PCB 1210 are not limited or limited in this document.

According to an embodiment, the first wire 1211 disposed on the fifth PCB 1210 branches at a first arbitrary point 1212 on the first wire 1211 to electrically connect the FM radio reception module 220 to the first wire 1211. can be connected to For example, the first wire 1211 may branch from an arbitrary first point 1212 on the first wire 1211 and be electrically connected to the FM radio reception module 220 via the amplifier 225. According to an embodiment, the length of the first wire 1211 may be 5 cm to 15 cm. Due to the sufficient length of the first wire 1211, the first wire 1211 is an FM radio signal that is a signal of a relatively low frequency band. It can function as an antenna for receiving FM radio signals.

According to an embodiment, the first wire 1211 may be connected to the ground via the signal filter unit 320 blocking any one of the first frequency band signal and the second frequency band signal from passing therethrough. The second frequency band signal may be, for example, a signal of an FM radio frequency band (a frequency band of 87.5 MHz to 110 MHz). According to an embodiment, the signal filter unit 320 may include any one of an inductor, a bead, and a notch filter configured to block any one of the first frequency band signal and the second frequency band signal from passing therethrough. there is.

According to an embodiment, the signal filter unit 320 may block the second frequency band signal from passing and pass the first frequency band signal. For example, the signal filter unit 320 may be implemented to have a high impedance value in a second frequency band, which is an FM radio frequency band, and a low impedance value in a first frequency band, which is an RF band. The signal filter unit 320 may have a high impedance value in the second frequency band and may be in an open state. In this case, the second frequency band signal received through the first wire 1211 may be transmitted to the FM radio reception module 220 without being transmitted to the ground. In addition, the signal filter unit 320 may have a low impedance value in the first frequency band and may be in a short-circuited state. In this case, the first frequency band signal received through the first wire 1211 may be transmitted to the ground instead of being transmitted to the FM radio reception module 220 . In other words, when the signal filter unit 320 receives the first frequency band signal, which is a signal of a high frequency band, it maintains the connection between the first wiring 1211 and the ground to serve as a line, and can serve as a line, and a signal of a low frequency band. When the second frequency band signal is received, the connection between the first wire 1211 and the ground may be cut off to block transmission of the second frequency band signal to the ground.

The second wire 1215 disposed on the fifth PCB 1210 may include a first end 1216 and a second end 1217 . According to an embodiment, the first end 1216 is electrically connected to the processor of the electronic device 1200 (eg, the processor 120 of FIG. 1 ), and the second end 1217 is the input device 1207. It may be electrically connected to a switch module or sensor module in contact with the contact portion. According to an embodiment, the second wiring 1215 transmits an electrical signal generated from a switch module or sensor module contacting the contact portion of the input device 1207 to a processor of the electronic device 1200 (eg, the processor 120 of FIG. 1). It can function to transmit to.

Hereinafter, referring to FIG. 13, an electronic device including an antenna for receiving an FM radio signal using at least one element disposed inside the electronic device will be described.

13 is a diagram illustrating a configuration for receiving an FM radio signal of an electronic device according to an embodiment.

Referring to FIG. 13, the electronic device 1300 includes an RF communication circuit 201, an RF antenna 203, an NFC antenna 215, an FM radio reception module 220, an amplifier 225, and a first PCB 301. , a second PCB 303, a connecting member 1310, a fourth PCB 1320, and/or a fifth PCB 1330.

According to one embodiment, the connecting member 1310 is the connecting member 1010 of FIG. 10 , the fourth PCB 1320 is the fourth PCB 720 of FIG. 10 , and the fifth PCB 1330 is the FIG. 12 It may be the fifth PCB 1210 . The first wiring (eg, the first wiring 1011 of FIG. 10 ) of the connecting member 1310 serves to electrically connect the RF communication circuit 201 and the RF antenna 203 to transmit a first frequency band signal. can The fourth PCB 1320 may include at least one wire electrically connecting at least one component on the first PCB 301 and at least one component on the second PCB 303 . The fifth PCB 1330 is connected to the input device of the electronic device 1300 (eg, the input device 1207 of FIG. 12 ) and provides wiring for transmitting electrical signals generated by a switch module or sensor module in contact with the input device. can include

According to one embodiment, the first wire (eg, the first wire 1211 of FIG. 12 ) of the fifth PCB 1330 is electrically connected to the FM radio reception module 220 via the amplifier 225, thereby FM It can function as an antenna for receiving a radio signal, and the wire can be extended by being connected to other wires disposed in the electronic device 1300. For example, the fourth wiring of the fourth PCB 1320 (eg, the fourth wiring 725 of FIG. 10 ), the second wiring of the connecting member 1310 (eg, the second wiring 1015 of FIG. 10 , and/or may be electrically connected to the NFC antenna 215. Accordingly, a wire functioning as an antenna for receiving an FM radio signal may be extended, thereby improving FM radio frequency band signal reception performance.

Electronic devices according to various embodiments disclosed in this document may be devices of various types. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance. An electronic device according to an embodiment of the present document is not limited to the aforementioned devices.

Various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but should be understood to include various modifications, equivalents, or substitutes of the embodiments. In connection with the description of the drawings, like reference numbers may be used for like or related elements. The singular form of a noun corresponding to an item may include one item or a plurality of items, unless the relevant context clearly dictates otherwise. In this document, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A Each of the phrases such as "at least one of , B, or C" may include any one of the items listed together in that phrase, or all possible combinations thereof. Terms such as "first", "second", or "first" or "secondary" may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited. A (e.g., first) component is said to be "coupled" or "connected" to another (e.g., second) component, with or without the terms "functionally" or "communicatively." When mentioned, it means that the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term "module" used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logical blocks, parts, or circuits. can be used as A module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of this document provide one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). It may be implemented as software (eg, the program 140) including them. For example, a processor (eg, the processor 120 ) of a device (eg, the electronic device 101 ) may call at least one command among one or more instructions stored from a storage medium and execute it. This enables the device to be operated to perform at least one function according to the at least one command invoked. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-temporary' only means that the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.

According to one embodiment, the method according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products may be traded between sellers and buyers as commodities. A computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store™) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones. In the case of online distribution, at least part of the computer program product may be temporarily stored or temporarily created in a device-readable storage medium such as a manufacturer's server, an application store server, or a relay server's memory.

According to various embodiments, each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. there is. According to various embodiments, one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. . According to various embodiments, the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.

An electronic device according to an embodiment disclosed in this document includes a radio frequency (RF) antenna for receiving or transmitting a first frequency band signal from the outside, an RF communication circuit for processing the first frequency band signal, and the first frequency band signal. A frequency modulation (FM) radio reception module processing a second frequency band signal different from a first frequency band signal, a first PCB (printed circuit board) on which the RF communication circuit and the FM radio reception module are disposed, and the RF antenna are disposed A second PCB, and a first wire electrically connecting the RF communication circuit and the RF antenna to transmit the first frequency band signal between the RF communication circuit and the RF antenna, and both ends are opened, respectively. A first connecting member including a second wire, wherein the second wire receives at least one of the first frequency band signal and the second frequency band signal from the outside, and both ends of the second wire are Each is connected to ground via a signal filter unit blocking the passage of the second frequency band signal, and an arbitrary first point on the second wire of the first connection member is electrically connected to the FM radio reception module. can be connected to

According to an embodiment disclosed in this document, the second frequency band signal may correspond to an FM radio frequency band signal.

According to an embodiment disclosed in this document, the signal filter unit may pass the first frequency band signal.

According to an embodiment disclosed in this document, the signal filter unit may include any one of an inductor and a bead configured to block passage of the second frequency band signal.

According to an embodiment disclosed in this document, the signal filter unit may include a notch filter configured to block passage of the second frequency band signal.

According to an embodiment disclosed in this document, the first connection member is connected to the first PCB through a first interface at one end and connected to the second PCB through a second interface at the other end. 3 Can include either a PCB or a coaxial cable.

According to an embodiment disclosed in this document, a third wiring and both ends electrically connecting the RF communication circuit and the RF antenna to transmit the first frequency band signal between the RF communication circuit and the RF antenna, respectively. and a second connecting member including an open fourth wire, wherein both ends of the fourth wire are grounded via the signal filter unit blocking the passage of the second frequency band signal. ), and an arbitrary second point on the second wire of the first connection member may be electrically connected to an arbitrary third point on the fourth wire of the second connection member.

An electronic device according to an embodiment disclosed in this document includes at least one wiring and both sides electrically connecting at least one component disposed on the first PCB and at least one component disposed on the second PCB. Each stage may include a fourth PCB including an open fifth wire, and the first point may be electrically connected to the FM radio reception module through the fifth wire.

In the electronic device according to an embodiment disclosed in this document, the at least one wiring on the fourth PCB and the fifth wiring may be spaced at least twice the diameter of the fifth wiring.

An electronic device according to an embodiment disclosed in this document may include a shielding layer surrounding the at least one wire on the fourth PCB.

An electronic device according to an embodiment disclosed in this document may include a near field communication (NFC) antenna, and an arbitrary second point on the second wire of the first connection member may be electrically connected to the NFC antenna. there is.

An electronic device according to an embodiment disclosed in this document includes a low noise amplifier for amplifying a signal of a received FM radio frequency band, and the first point passes the FM radio signal through the low noise amplifier. It may be electrically connected to the receiving module.

An electronic device according to an embodiment disclosed in this document includes a housing, an FM radio reception module for processing a signal of a second frequency band, a first PCB on which the FM radio reception module is disposed, and located inside the housing; An input device exposed to the outside of the housing, a fifth PCB connected to the first PCB through a third interface at one end and connected to the input device through a fourth interface at the other end, and on the fifth PCB and a sixth wiring having both ends open, wherein the sixth wiring receives at least one of a first frequency band signal different from the second frequency band signal or a second frequency band signal from the outside. and one end of the sixth wire is connected to ground via a signal filter unit that blocks the passage of the second frequency band signal, and an arbitrary fourth point on the sixth wire is connected to the FM. It may be electrically connected to the radio reception module.

In an electronic device according to an embodiment disclosed in this document, the second frequency band signal may correspond to an FM radio frequency band signal.

In an electronic device according to an embodiment disclosed in this document, the signal filter unit may pass a first frequency band signal different from the second frequency band signal.

In an electronic device according to an embodiment disclosed in this document, the signal filter unit may include any one of an inductor and a bead configured to block passage of the second frequency band signal.

In an electronic device according to an embodiment disclosed in this document, the signal filter unit may include a notch filter configured to block passage of the second frequency band signal.

An electronic device according to an embodiment disclosed in this document includes at least one electrical connection between a second PCB and at least one component disposed on the first PCB and at least one component disposed on the second PCB. A fourth PCB including one wire and a fifth wire having both ends open, respectively, and the fourth point may be electrically connected to the FM radio reception module through the fifth wire.

In the electronic device according to an embodiment disclosed in this document, the at least one wiring on the fourth PCB and the fifth wiring may be spaced at least twice the diameter of the fifth wiring.

Claims (20)

In electronic devices,
a radio frequency (RF) antenna for receiving or transmitting a first frequency band signal from the outside;
an RF communication circuit that processes the first frequency band signal;
a frequency modulation (FM) radio reception module processing a second frequency band signal different from the first frequency band signal;
a first printed circuit board (PCB) on which the RF communication circuit and the FM radio reception module are disposed;
a second PCB on which the RF antenna is disposed; and
A first wire electrically connecting the RF communication circuit and the RF antenna to transmit the first frequency band signal between the RF communication circuit and the RF antenna, and a second wire having both ends open, respectively. Including; a first connecting member;
The second wire receives at least one of the first frequency band signal and the second frequency band signal from the outside, and the both ends of the second wire block the passage of the second frequency band signal, respectively. It is connected to the ground via the filter unit,
An arbitrary first point on the second wire of the first connection member is electrically connected to the FM radio reception module. According to claim 1,
The second frequency band signal corresponds to a signal in the FM radio frequency band. According to claim 2,
The signal filter unit passes the first frequency band signal. According to claim 1,
The signal filter unit includes any one of an inductor and a bead configured to block passage of the second frequency band signal. According to claim 1,
The electronic device, wherein the signal filter unit includes a notch filter configured to block passage of the second frequency band signal. According to claim 1,
The first connecting member,
An electronic device comprising either a third PCB or a coaxial cable connected to the first PCB at one end through a first interface and connected to the second PCB at the other end through a second interface. . According to claim 1,
A third wire electrically connecting the RF communication circuit and the RF antenna to transmit the first frequency band signal between the RF communication circuit and the RF antenna, and a fourth wire having both ends open, respectively. A second connecting member; including,
Both ends of the fourth wire are connected to ground via the signal filter unit that blocks the passage of the second frequency band signal, respectively;
An arbitrary second point on the second wire of the first connection member is electrically connected to an arbitrary third point on the fourth wire of the second connection member. According to claim 1,
A fourth PCB including at least one wire electrically connecting at least one component disposed on the first PCB and at least one component disposed on the second PCB, and a fifth wire having both ends open, respectively. including;
The first point is electrically connected to the FM radio reception module through the fifth wire. According to claim 8,
The electronic device of claim 1 , wherein a space between the at least one wire and the fifth wire on the fourth PCB is at least twice the diameter of the fifth wire. According to claim 8,
and a shielding layer surrounding the at least one wire on the fourth PCB. According to claim 1,
Includes a near field communication (NFC) antenna;
An arbitrary second point on the second wire of the first connection member is electrically connected to the NFC antenna. According to claim 1,
Includes a near field communication (NFC) antenna;
The first point is electrically connected to the FM radio reception module through the NFC antenna. According to claim 1,
A low noise amplifier for amplifying the signal of the received FM radio frequency band; includes,
wherein the first point is electrically connected to the FM radio reception module via the low noise amplifier. In electronic devices,
housing;
an FM radio reception module processing a second frequency band signal;
a first PCB on which the FM radio reception module is disposed and positioned inside the housing;
an input device exposed to the outside of the housing;
a fifth PCB connected to the first PCB through a third interface at one end and connected to the input device through a fourth interface at the other end; and
A sixth wiring disposed on the fifth PCB and having both ends open, respectively;
The sixth wire receives at least one of a first frequency band signal or a second frequency band signal different from the second frequency band signal from the outside, and one end of the sixth wire receives the second frequency band signal from the outside. It is connected to the ground via a signal filter unit that blocks passage,
An arbitrary fourth point on the sixth wire is electrically connected to the FM radio reception module. According to claim 14,
The second frequency band signal corresponds to a signal in the FM radio frequency band. According to claim 15,
The signal filter unit passes a first frequency band signal different from the second frequency band signal. According to claim 14,
The signal filter unit includes any one of an inductor and a bead configured to block passage of the second frequency band signal. According to claim 14,
The electronic device, wherein the signal filter unit includes a notch filter configured to block passage of the second frequency band signal. According to claim 14,
a second PCB; and
A fourth PCB including at least one wire electrically connecting at least one component disposed on the first PCB and at least one component disposed on the second PCB, and a fifth wire having both ends open, respectively. including;
The fourth point is electrically connected to the FM radio reception module through the fifth wire. According to claim 19,
The electronic device of claim 1 , wherein a space between the at least one wire and the fifth wire on the fourth PCB is at least twice the diameter of the fifth wire.

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