CN112821916A - Radio frequency front-end circuit and mobile terminal - Google Patents
Radio frequency front-end circuit and mobile terminal Download PDFInfo
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- CN112821916A CN112821916A CN202011622957.1A CN202011622957A CN112821916A CN 112821916 A CN112821916 A CN 112821916A CN 202011622957 A CN202011622957 A CN 202011622957A CN 112821916 A CN112821916 A CN 112821916A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
Abstract
The embodiment of the invention discloses a radio frequency front-end circuit and a mobile terminal. The radio frequency front-end circuit provided by the embodiment of the invention comprises a diversity antenna path, a main set antenna path, an antenna switching circuit, a diversity antenna, a main set antenna and a transceiver, wherein the diversity antenna path comprises a first diversity antenna path, a second diversity antenna path and a first switching circuit, the main set antenna path comprises a first main set antenna transmitting path, a first main set antenna receiving path, a second main set antenna transmitting path, a second main set antenna receiving path, a second switching circuit, a third switching circuit and a fourth switching circuit, and ports and required routing occupied by the radio frequency front-end circuit of a first frequency band and a second frequency band are reduced, so that the occupied PCB space and the number of used test cables are reduced, and the occupied PCB space is reduced.
Description
Technical Field
The invention relates to the technical field of mobile communication, in particular to a radio frequency front-end circuit and a mobile terminal.
Background
The arrival of the 5G era means that the user experience reaches a new position, and the life and working modes of people are greatly changed. And the change mainly comprises the following three scenes: the eMBB (enhanced mobile broadband) service enables a user to experience 20Gbps peak rate, AR (Augmented Reality) technology, VR (Virtual Reality) technology, ultra-high definition live video and the like; the urrllc (ultra-high reliable ultra-low latency communication) service can bring your experience of cool unmanned driving and remote driving; mMTC (large-scale machine communication) business can realize the interconnection of everything by creating intelligent factories, smart cities, smart agriculture and the like. Although the current concept and application scenario of 5G is only embodied in high-rate, high-throughput scenarios, other scenarios of 5G will also be highly colorful in every corner of society in the near future. In the process of using 5G mobile phone communication, the N77 frequency band and the N79 frequency band are indispensable, and in the research and practice processes of the prior art, the inventor of the present invention finds that too many ports and required wires are occupied by the rf front-end circuits in the N77 frequency band and the N79 frequency band, which occupies a large amount of PCB space, and uses a large amount of test cables.
Disclosure of Invention
The embodiment of the invention provides a radio frequency front-end circuit, which reduces ports occupied by the radio frequency front-end circuit of a first frequency band and a second frequency band and required routing by adding a plurality of switching circuits, thereby reducing the occupied PCB space and the number of used test cables.
An embodiment of the present invention provides a radio frequency front end circuit, including:
the antenna system comprises a diversity antenna path and a switching circuit, wherein the diversity antenna path comprises a first diversity antenna path, a second diversity antenna path and a first switching circuit, the first diversity antenna path is used for receiving a first frequency band signal, the second diversity antenna path is used for receiving a second frequency band signal, and the first switching circuit is used for being communicated with the first diversity antenna path or the second diversity antenna path;
a main set antenna path comprising a first main set antenna path, a second switching circuit, a third switching circuit, and a fourth switching circuit, the first main set antenna path for transmitting the first frequency band signals, the second main set antenna path for transmitting the second frequency band signals, the second switching circuit is configured to communicate with the first or second main set antenna path, the first major set antenna paths include a first major set antenna transmit path and a first major set antenna receive path, the third switching circuit is used for connecting the first main set antenna transmitting path or the first main set antenna receiving path, the second major set antenna path includes a second major set antenna transmit path and a second major set antenna receive path, the fourth switching circuit is used for communicating the second main set antenna transmitting path or the second main set antenna receiving path;
the antenna switching circuit comprises an antenna switching circuit, a diversity antenna, a main antenna and a transceiver, wherein a diversity antenna channel is electrically connected with the antenna switching circuit and the transceiver, a main antenna channel is electrically connected with the antenna switching circuit and the transceiver, and an antenna switching circuit is electrically connected with the main antenna and the diversity antenna.
Optionally, in some embodiments of the present invention, the diversity antenna path includes a first filter, a first low noise amplifier, a second filter, and a second low noise amplifier, and the first switching circuit is electrically connected to the antenna switching circuit.
Optionally, in some embodiments of the present invention, the first diversity antenna path includes the first switching circuit, the first filter, and the first low noise amplifier, which are electrically connected in sequence, and the first low noise amplifier is electrically connected to a diversity receiving port of the transceiver.
Optionally, in some embodiments of the present invention, the second diversity antenna path includes the first switching circuit, the second filter, and the second low noise amplifier, which are electrically connected in sequence, and the second low noise amplifier is electrically connected to a diversity receiving port of the transceiver.
Optionally, in some embodiments of the present invention, the main set antenna path includes a third filter, a fourth filter, a third low noise amplifier, a fourth low noise amplifier, a first power amplifier, and a second power amplifier, and the second switching circuit is electrically connected to the antenna switching circuit.
Optionally, in some embodiments of the present invention, the first antenna transmission path includes the first power amplifier, the third switching circuit, the third filter, and the second switching circuit, which are electrically connected in sequence, where the first power amplifier is electrically connected to the first frequency band transmission port of the transceiver.
Optionally, in some embodiments of the present invention, the first antenna receiving path includes the second switching circuit, the third filter, the third switching circuit, and the third low noise amplifier, which are electrically connected in sequence, where the third low noise amplifier is electrically connected to the first frequency band antenna receiving port of the transceiver.
Optionally, in some embodiments of the present invention, the second antenna transmission path includes the second power amplifier, the fourth switching circuit, the fourth filter, and the second switching circuit, which are electrically connected in sequence, where the second power amplifier is electrically connected to the second frequency band transmission port of the transceiver.
Optionally, in some embodiments of the present invention, the second antenna receiving path includes the second switching circuit, the fourth filter, the fourth switching circuit, and the fourth low noise amplifier, which are electrically connected in sequence, and the fourth low noise amplifier is electrically connected to the second band antenna receiving port of the transceiver.
Correspondingly, the embodiment of the invention also provides a mobile terminal which comprises the radio frequency front-end circuit.
The embodiment of the invention provides a radio frequency front-end circuit, which comprises a diversity antenna path, a main set antenna path, an antenna switching circuit, a diversity antenna, a main set antenna and a transceiver, wherein the diversity antenna path comprises a first diversity antenna path, a second diversity antenna path and a first switching circuit, the first switching circuit is used for being communicated with the first diversity antenna path or the second diversity antenna path, the main set antenna path comprises a first main set antenna path, a second switching circuit, a third switching circuit and a fourth switching circuit, the second switching circuit is used for being communicated with the first main set antenna path or the second main set antenna path, the first main set antenna path comprises a first main set antenna transmitting path and a first main set antenna receiving path, the third switching circuit is used for being communicated with the first main set antenna transmitting path or the first main set antenna receiving path, the second main set antenna path comprises a second main set antenna transmitting path and a second main set antenna receiving path, the fourth switching circuit is used for being communicated with the second main set antenna transmitting path or the second main set antenna receiving path, the diversity antenna path is electrically connected with the antenna switching circuit and the transceiver, the main set antenna path is electrically connected with the antenna switching circuit and the transceiver, and the antenna switching circuit is electrically connected with the main set antenna and the diversity antenna.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an rf front-end circuit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first diversity antenna path according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second diversity antenna path according to an embodiment of the present invention;
fig. 4 is a schematic diagram of another structure of a diversity antenna path provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a first main set antenna transmission path according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a first main set antenna receiving path according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a second main set antenna transmission path according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a second main set antenna receiving path according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "one end", "two ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "" means two or more unless specifically defined otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Referring to fig. 1, an embodiment of the invention provides an rf front-end circuit 20.
The rf front-end circuit 20 includes a diversity antenna path 203, where the diversity antenna path 203 includes a first diversity antenna path, a second diversity antenna path, and a first switching circuit, the first diversity antenna path is configured to receive a first frequency band signal, the second diversity antenna path is configured to receive a second frequency band signal, and the first switching circuit is configured to communicate with the first diversity antenna path or the second diversity antenna path; a main set antenna path 204, the main set antenna path 204 comprising a first main set antenna path, a second switching circuit, a third switching circuit, and a fourth switching circuit, the first main set antenna path for transmitting the first frequency band signals, the second main set antenna path for transmitting the second frequency band signals, the second switching circuit is configured to communicate with the first or second main set antenna path, the first major set antenna paths include a first major set antenna transmit path and a first major set antenna receive path, the third switching circuit is used for connecting the first main set antenna transmitting path or the first main set antenna receiving path, the second major set antenna path includes a second major set antenna transmit path and a second major set antenna receive path, the fourth switching circuit is used for communicating the second main set antenna transmitting path or the second main set antenna receiving path; an antenna switching circuit 202, a diversity antenna 2011, a main antenna assembly 2012 and a transceiver 205, the diversity antenna path 203 is electrically connected to the antenna switching circuit 202 and the transceiver 205, the main antenna assembly path 204 is electrically connected to the antenna switching circuit 202 and the transceiver 205, and the antenna switching circuit 202 is electrically connected to the main antenna assembly 2012 and the diversity antenna 2011.
In one embodiment, diversity antenna path 203 and main set antenna path 204 may be located on different layers on the PCB.
In one embodiment, the diversity antenna path 203 includes two filters, two low noise amplifiers, and two switching circuits, which may be single pole double throw switches, the main set antenna path 204 includes three switching circuits, which may be single pole double throw switches, two filters, two power amplifiers, and two low noise amplifiers, the antenna switching circuit 202 includes four contacts, namely a first contact, a second contact, a third contact, and a fourth contact, the transceiver 205 includes a first band transmit port 0_5GLM _ UHB, a second band transmit port TX1_5GH _ ELAA, a main set receive port P _ UN for a first band, a main set receive port P _ NA for a second band, and a diversity receive port D _ UN.
In one embodiment, the first frequency band is referred to as N77 frequency band, the second frequency band is referred to as N79 frequency band, the antenna switching circuit 202 may be a double-pole double-throw switch, and the transceiver 205 may include a mixer, a low noise amplifier, an up-down converter, a voltage-controlled oscillation circuit, and the like.
In one embodiment, the diversity antenna 2011 may be electrically connected to the first or second contact of the antenna switching circuit 202, the main antenna set 2012 may be electrically connected to the first or second contact of the antenna switching circuit 202, the diversity antenna path 203 may be electrically connected to the third or fourth contact of the antenna switching circuit 202, and the main antenna set path 204 may be electrically connected to the third or fourth contact of the antenna switching circuit 202.
In some embodiments, referring to fig. 2 and 3 together, the diversity antenna path 203 includes a first filter 2032, a second filter 2034, a first low noise amplifier 2033, a second low noise amplifier 2035, and a first switching circuit 2031, the transceiver 205 includes a diversity receiving port D _ UN2051, and the antenna switching circuit 202 includes a first contact 2021, a second contact 2022, a third contact 2023, and a fourth contact 2024.
In some embodiments, referring to fig. 4, the diversity antenna path 203 includes a first filter 2032, a second filter 2034, a first low noise amplifier 2033, a second low noise amplifier 2035, a first switching circuit 2031 and a fifth switching circuit 2036, the transceiver 205 includes a diversity receiving port D _ UN2051, the antenna switching circuit 202 includes a first contact 2021, a second contact 2022, a third contact 2023 and a fourth contact 2024, and the fifth switching circuit 2036 is electrically connected to the diversity receiving port D _ UN2051 included in the transceiver 205 for communicating with the first low noise amplifier 2033 or the second low noise amplifier 2035.
In one embodiment, referring to fig. 2, the diversity antenna 2011 is electrically connected to the first contact 2021 of the antenna switching circuit 202, the first contact 2021 and the third contact 2023 of the antenna switching circuit 202 are electrically connected, the third contact 2023 of the antenna switching circuit 202 is electrically connected to the first switching circuit 2031 of the diversity antenna path 203, the first switching circuit 2031 is electrically connected to the first filter 2032, the first filter 2032 is electrically connected to the first lna 2033, and the first lna 2033 is electrically connected to the diversity receiving port D _ UN2051 included in the transceiver 205, so as to communicate with the first diversity antenna path to form a first diversity antenna link for receiving the first band signal.
In one embodiment, referring to fig. 3, the diversity antenna 2011 is electrically connected to the first contact 2021 of the antenna switching circuit 202, the first contact 2021 of the antenna switching circuit 202 is electrically connected to the third contact 2023, the third contact 2023 of the antenna switching circuit 202 is electrically connected to the first switching circuit 2031 of the diversity antenna path 203, the first switching circuit 2031 is electrically connected to the second filter 2034, the second filter 2034 is electrically connected to the second lna 2035, the second lna 2035 is electrically connected to the diversity receiving port D _ UN2051 included in the transceiver 205, and is connected to the second diversity antenna path to form a second diversity antenna link for receiving the second band signal.
In some embodiments, referring to fig. 5, fig. 6, fig. 7 and fig. 8 together, the main antenna assembly path 204 includes a second switching circuit 2041, a third filter 2042, a third switching circuit 2043, a first power amplifier 2044, a third low noise amplifier 2045, a fourth filter 2046, a fourth switching circuit 2047, a fourth low noise amplifier 2048 and a second power amplifier 2049, the transceiver 205 includes a first band transmission port TX0_5GLM _ UHB2052, a second band transmission port TX1_5GH _ ELAA2054, a first band main antenna assembly receiving port P _ UN2053 and a second band main antenna assembly receiving port P _ NA2055, and the antenna switching circuit 202 includes a first contact 2021, a second contact 2022, a third contact 2023 and a fourth contact 2024.
In one embodiment, referring to fig. 5, the first frequency band transmitting port TX0_5GLM _ UHB2052 of the transceiver 205 is electrically connected to the first power amplifier 2044 of the main antenna assembly 204, the first power amplifier 2044 is electrically connected to the third switching circuit 2043, the third switching circuit 2043 is electrically connected to the third filter 2042, the third filter 2042 is electrically connected to the second switching circuit 2041, the second switching circuit 2041 is electrically connected to the fourth contact 2024 of the antenna switching circuit 202, the fourth contact 2024 is electrically connected to the second contact 2022, and the second contact 2022 is electrically connected to the main antenna assembly 2012 and communicates with the first main antenna assembly transmitting path to form a first main antenna assembly transmitting link for transmitting the first frequency band signal.
In one embodiment, referring to fig. 6, the main antenna assembly 2012 is electrically connected to the second contact 2022 of the antenna switching circuit 202, the second contact 2022 is electrically connected to the fourth contact 2024, the fourth contact 2024 is electrically connected to the second switching circuit 2041 of the main antenna assembly passage 204, the second switching circuit 2041 is electrically connected to the third filter 2042, the third filter 2042 is electrically connected to the third switching circuit 2043, the third switching circuit 2043 is electrically connected to the third low noise amplifier 2045, and the third low noise amplifier 2045 is electrically connected to the main antenna assembly receiving port P _ UN2053 of the transceiver 205 in the first frequency band, so as to communicate with the first main antenna assembly receiving passage to form a first main antenna assembly receiving link for receiving the first frequency band signal.
In one embodiment, referring to fig. 7, the second band transmitting port TX1_5GH _ ELAA2054 of the transceiver 205 is electrically connected to the second power amplifier 2049 of the main antenna assembly 204, the second power amplifier 2049 is electrically connected to the fourth switching circuit 2047, the fourth switching circuit 2047 is electrically connected to the fourth filter 2046, the fourth filter 2046 is electrically connected to the second switching circuit 2041, the second switching circuit 2041 is electrically connected to the fourth contact 2024 of the antenna switching circuit 202, the fourth contact 2024 is electrically connected to the second contact 2022, and the second contact 2022 is electrically connected to the main antenna assembly 2012 and communicates with the second main antenna assembly transmitting path to form a second main antenna assembly transmitting link for transmitting the second band signal.
In one embodiment, referring to fig. 8, the main antenna assembly 2012 is electrically connected to the second contact 2022 of the antenna switching circuit 202, the second contact 2022 is electrically connected to the fourth contact 2024, the fourth contact 2024 is electrically connected to the second switching circuit 2041 of the main antenna assembly passage 204, the second switching circuit 2041 is electrically connected to the fourth filter 2046, the fourth filter 2046 is electrically connected to the fourth switching circuit 2047, the fourth switching circuit 2047 is electrically connected to the fourth lna 2048, the fourth lna 2048 is electrically connected to the main antenna assembly receiving port P _ NA2055 of the transceiver 205 in the second frequency band, and is connected to the second main antenna assembly receiving passage to form a second main antenna assembly receiving link for receiving the second frequency band signal.
The radio frequency front-end circuit provided by the invention adopting the structure comprises a diversity antenna path, a main set antenna path, an antenna switching circuit, a diversity antenna, a main set antenna and a transceiver, wherein the diversity antenna path comprises a first diversity antenna path, a second diversity antenna path and a first switching circuit, the first switching circuit is used for being communicated with the first diversity antenna path or the second diversity antenna path, the main set antenna path comprises a first main set antenna path, a second switching circuit, a third switching circuit and a fourth switching circuit, the second switching circuit is used for being communicated with the first main set antenna path or the second main set antenna path, the first main set antenna path comprises a first main set antenna transmitting path and a first main set antenna receiving path, the third switching circuit is used for being communicated with the first main set antenna transmitting path or the first main set antenna receiving path, the second main antenna assembly passage comprises a second main antenna assembly transmitting passage and a second main antenna assembly receiving passage, the fourth switching circuit is used for being communicated with the second main antenna assembly transmitting passage or the second main antenna assembly receiving passage, the diversity antenna passage is electrically connected with the antenna switching circuit and the transceiver, the main antenna assembly passage is electrically connected with the antenna switching circuit and the transceiver, the antenna switching circuit is electrically connected with the main antenna assembly and the diversity antenna, the radio frequency front-end circuit utilizes the characteristic that signal receiving and transmitting of the N77 frequency band and the N79 frequency band are not carried out simultaneously, a plurality of single-pole double-throw switches are used, the diversity antenna circuit and the main antenna assembly circuit can be arranged on different layers on the PCB, ports occupied by the radio frequency front-end circuit of the first frequency band and the radio frequency front-end circuit of the second frequency band and required routing are reduced, and therefore occupied PCB space and the number of used test cables are reduced.
Accordingly, as shown in fig. 9, the terminal may include Radio Frequency (RF) circuit 301, memory 302 including one or more computer-readable storage media, input unit 303, display unit 304, sensor 305, audio circuit 306, Wireless Fidelity (WiFi) module 307, processor 308 including one or more processing cores, and power supply 309. Those skilled in the art will appreciate that the terminal structure shown in fig. 9 does not constitute a limitation of the terminal, and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the RF circuit 301 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, for receiving downlink information from a base station and then processing the received downlink information by one or more processors 308; in addition, data relating to uplink is transmitted to the base station. In general, the RF circuit 301 includes, but is not limited to, an antenna, at least one Amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 301 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Message Service (SMS), and the like.
The memory 302 may be used to store software programs and modules, and the processor 308 executes various functional applications and data processing by operating the software programs and modules stored in the memory 302. The memory 302 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the terminal, etc. Further, the memory 302 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 302 may also include a memory controller to provide the processor 308 and the input unit 303 access to the memory 302.
The input unit 303 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, in one particular embodiment, the input unit 303 may include a touch-sensitive surface as well as other input devices. The touch-sensitive surface, also referred to as a touch display screen or a touch pad, may collect touch operations by a user (e.g., operations by a user on or near the touch-sensitive surface using a finger, a stylus, or any other suitable object or attachment) thereon or nearby, and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 308, and can receive and execute commands sent by the processor 308. In addition, touch sensitive surfaces may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 303 may include other input devices in addition to the touch-sensitive surface. In particular, other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 304 may be used to display information input by or provided to the user and various graphical user interfaces of the terminal, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 304 may include a Display panel, and optionally, the Display panel may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch-sensitive surface may overlay the display panel, and when a touch operation is detected on or near the touch-sensitive surface, the touch operation is transmitted to the processor 308 to determine the type of touch event, and the processor 308 then provides a corresponding visual output on the display panel according to the type of touch event. Although in FIG. 9 the touch sensitive surface and the display panel are two separate components to implement input and output functions, in some embodiments the touch sensitive surface may be integrated with the display panel to implement input and output functions.
The terminal may also include at least one sensor 305, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel according to the brightness of ambient light, and a proximity sensor that may turn off the display panel and/or the backlight when the terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal, detailed description is omitted here.
WiFi belongs to short distance wireless transmission technology, and the terminal can help the user to send and receive e-mail, browse web page and access streaming media etc. through WiFi module 307, which provides wireless broadband internet access for the user. Although fig. 9 shows the WiFi module 307, it is understood that it does not belong to the essential constitution of the terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 308 is a control center of the terminal, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 302 and calling data stored in the memory 302, thereby performing overall monitoring of the mobile phone. Optionally, processor 308 may include one or more processing cores; preferably, the processor 308 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 308.
The terminal also includes a power supply 309 (e.g., a battery) for powering the various components, which may preferably be logically coupled to the processor 308 via a power management system to manage charging, discharging, and power consumption management functions via the power management system. The power supply 309 may also include one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and any like components.
Although not shown, the terminal may further include a camera, a bluetooth module, and the like, which will not be described herein. The terminal further comprises a radio frequency front end circuit comprising a diversity antenna path, a main-set antenna path, an antenna switching circuit, a diversity antenna, a main-set antenna and a transceiver, the diversity antenna path comprising a first diversity antenna path, a second diversity antenna path and a first switching circuit, the first switching circuit for communicating with the first diversity antenna path or the second diversity antenna path, the main-set antenna path comprising a first main-set antenna path, a second switching circuit, a third switching circuit and a fourth switching circuit, the second switching circuit for communicating with the first main-set antenna path or the second main-set antenna path, the first main-set antenna path comprising a first main-set antenna transmitting path and a first main-set antenna receiving path, the third switching circuit for communicating with the first main-set antenna transmitting path or the first main-set antenna receiving path, the second main antenna path comprises a second main antenna transmitting path and a second main antenna receiving path, the fourth switching circuit is used for being communicated with the second main antenna transmitting path or the second main antenna receiving path, the diversity antenna path is electrically connected with the antenna switching circuit and the transceiver, the main antenna path is electrically connected with the antenna switching circuit and the transceiver, and the antenna switching circuit is electrically connected with the main antenna and the diversity antenna.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The radio frequency front-end circuit and the mobile terminal provided by the embodiment of the present invention are described in detail above, and a specific example is applied in the present disclosure to explain the principle and the embodiment of the present invention, and the description of the above embodiment is only used to help understanding the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A radio frequency front end circuit, comprising:
the antenna system comprises a diversity antenna path and a switching circuit, wherein the diversity antenna path comprises a first diversity antenna path, a second diversity antenna path and a first switching circuit, the first diversity antenna path is used for receiving a first frequency band signal, the second diversity antenna path is used for receiving a second frequency band signal, and the first switching circuit is used for being communicated with the first diversity antenna path or the second diversity antenna path;
a main set antenna path comprising a first main set antenna path, a second switching circuit, a third switching circuit, and a fourth switching circuit, the first main set antenna path for transmitting the first frequency band signals, the second main set antenna path for transmitting the second frequency band signals, the second switching circuit is configured to communicate with the first or second main set antenna path, the first major set antenna paths include a first major set antenna transmit path and a first major set antenna receive path, the third switching circuit is used for connecting the first main set antenna transmitting path or the first main set antenna receiving path, the second major set antenna path includes a second major set antenna transmit path and a second major set antenna receive path, the fourth switching circuit is used for communicating the second main set antenna transmitting path or the second main set antenna receiving path;
the antenna switching circuit comprises an antenna switching circuit, a diversity antenna, a main antenna and a transceiver, wherein a diversity antenna channel is electrically connected with the antenna switching circuit and the transceiver, a main antenna channel is electrically connected with the antenna switching circuit and the transceiver, and an antenna switching circuit is electrically connected with the main antenna and the diversity antenna.
2. The rf front-end circuit of claim 1, wherein the diversity antenna path comprises a first filter, a first low noise amplifier, a second filter, and a second low noise amplifier, the first switching circuit electrically coupled to the antenna switching circuit.
3. The rf front-end circuit of claim 2, wherein the first diversity antenna path comprises the first switching circuit, the first filter, and the first low noise amplifier electrically connected in sequence, the first low noise amplifier electrically connected to a diversity receive port of the transceiver.
4. The rf front-end circuit of claim 2, wherein the second diversity antenna path comprises the first switching circuit, the second filter, and the second low noise amplifier electrically connected in sequence, the second low noise amplifier electrically connected to a diversity receive port of the transceiver.
5. The rf front-end circuit of claim 1, wherein the main antenna path comprises a third filter, a fourth filter, a third low noise amplifier, a fourth low noise amplifier, a first power amplifier, and a second power amplifier, and the second switching circuit is electrically connected to the antenna switching circuit.
6. The RF front-end circuit of claim 5, wherein the first main antenna transmit path comprises the first power amplifier, the third switching circuit, the third filter, and the second switching circuit electrically connected in sequence, and wherein the first power amplifier is electrically connected to a first band transmit port of the transceiver.
7. The RF front-end circuit of claim 5, wherein the first main set antenna receive path comprises the second switch circuit, the third filter, the third switch circuit and the third low noise amplifier electrically connected in sequence, and the third low noise amplifier is electrically connected to a main set receive port of the first frequency band of the transceiver.
8. The RF front-end circuit of claim 5, wherein the second main antenna transmit path comprises the second power amplifier, the fourth switching circuit, the fourth filter, and the second switching circuit electrically connected in sequence, and the second power amplifier is electrically connected to a second band transmit port of the transceiver.
9. The RF front-end circuit of claim 5, wherein the second main set antenna receive path comprises the second switch circuit, the fourth filter, the fourth switch circuit and the fourth low noise amplifier electrically connected in sequence, and the fourth low noise amplifier is electrically connected to a main set receive port of the second frequency band of the transceiver.
10. A mobile terminal, characterized in that it comprises a radio frequency front end circuit according to any of claims 1-9.
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| CN202011622957.1A CN112821916B (en) | 2020-12-31 | 2020-12-31 | Radio frequency front-end circuit and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824511A (en) * | 2021-08-24 | 2021-12-21 | 上海闻泰信息技术有限公司 | Detection method and device for diversity antenna, electronic equipment and storage medium |
| CN115102558A (en) * | 2022-06-07 | 2022-09-23 | Oppo广东移动通信有限公司 | Radio frequency PA Mid device, radio frequency system and communication equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305101A (en) * | 2015-11-17 | 2016-02-03 | 小米科技有限责任公司 | Antenna system and control method for antenna system |
| CN107276598A (en) * | 2017-07-25 | 2017-10-20 | 广东欧珀移动通信有限公司 | antenna switching system, method and mobile terminal |
| WO2018027984A1 (en) * | 2016-08-12 | 2018-02-15 | 华为技术有限公司 | Terminal device and switching method |
| CN208539894U (en) * | 2018-07-11 | 2019-02-22 | 维沃移动通信有限公司 | A kind of radio circuit and mobile terminal |
| CN110545112A (en) * | 2019-08-27 | 2019-12-06 | 维沃移动通信有限公司 | Antenna switching circuit and terminal |
| CN210274079U (en) * | 2019-10-23 | 2020-04-07 | 深圳市多为通讯科技有限公司 | Miniaturized multifrequency section LTE 4G antenna |
| CN111064491A (en) * | 2019-12-03 | 2020-04-24 | 青岛海信移动通信技术股份有限公司 | Mobile terminal equipment and method for receiving and transmitting signals thereof |
| CN111277278A (en) * | 2020-01-19 | 2020-06-12 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN111294081A (en) * | 2020-01-22 | 2020-06-16 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
-
2020
- 2020-12-31 CN CN202011622957.1A patent/CN112821916B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305101A (en) * | 2015-11-17 | 2016-02-03 | 小米科技有限责任公司 | Antenna system and control method for antenna system |
| WO2018027984A1 (en) * | 2016-08-12 | 2018-02-15 | 华为技术有限公司 | Terminal device and switching method |
| CN107276598A (en) * | 2017-07-25 | 2017-10-20 | 广东欧珀移动通信有限公司 | antenna switching system, method and mobile terminal |
| CN208539894U (en) * | 2018-07-11 | 2019-02-22 | 维沃移动通信有限公司 | A kind of radio circuit and mobile terminal |
| CN110545112A (en) * | 2019-08-27 | 2019-12-06 | 维沃移动通信有限公司 | Antenna switching circuit and terminal |
| CN210274079U (en) * | 2019-10-23 | 2020-04-07 | 深圳市多为通讯科技有限公司 | Miniaturized multifrequency section LTE 4G antenna |
| CN111064491A (en) * | 2019-12-03 | 2020-04-24 | 青岛海信移动通信技术股份有限公司 | Mobile terminal equipment and method for receiving and transmitting signals thereof |
| CN111277278A (en) * | 2020-01-19 | 2020-06-12 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN111294081A (en) * | 2020-01-22 | 2020-06-16 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824511A (en) * | 2021-08-24 | 2021-12-21 | 上海闻泰信息技术有限公司 | Detection method and device for diversity antenna, electronic equipment and storage medium |
| CN115102558A (en) * | 2022-06-07 | 2022-09-23 | Oppo广东移动通信有限公司 | Radio frequency PA Mid device, radio frequency system and communication equipment |
| CN115102558B (en) * | 2022-06-07 | 2024-04-16 | Oppo广东移动通信有限公司 | Radio frequency PA Mid device, radio frequency system and communication equipment |
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| Publication number | Publication date |
|---|---|
| CN112821916B (en) | 2022-06-10 |
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