WO2019019884A1 - Circuit à radiofréquence, dispositif d'antenne et dispositif électronique - Google Patents

Circuit à radiofréquence, dispositif d'antenne et dispositif électronique Download PDF

Info

Publication number
WO2019019884A1
WO2019019884A1 PCT/CN2018/094443 CN2018094443W WO2019019884A1 WO 2019019884 A1 WO2019019884 A1 WO 2019019884A1 CN 2018094443 W CN2018094443 W CN 2018094443W WO 2019019884 A1 WO2019019884 A1 WO 2019019884A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
radio frequency
frequency
port
circuit
Prior art date
Application number
PCT/CN2018/094443
Other languages
English (en)
Chinese (zh)
Inventor
丛明
冯斌
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2019019884A1 publication Critical patent/WO2019019884A1/fr

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a radio frequency circuit, an antenna device, and an electronic device.
  • an LTE (Long Term Evolution) communication signal may include a signal having a frequency between 700 MHz and 2700 MHz.
  • the radio frequency signals that the mobile terminal can support can be divided into a low frequency signal, an intermediate frequency signal, and a high frequency signal.
  • the low frequency signal, the intermediate frequency signal, and the high frequency signal each include a plurality of sub-band signals. Each sub-band signal needs to be transmitted to the outside through the antenna.
  • CA Carrier Aggregation
  • the embodiments of the present application provide a radio frequency circuit, an antenna device, and an electronic device, which can improve the diversity of carrier aggregation performed by an electronic device.
  • the embodiment of the present application provides a radio frequency circuit, including a radio frequency transceiver, a radio frequency circuit switch chip, a combiner, and an antenna, wherein the radio frequency transceiver, the radio frequency circuit switch chip, the combiner, and the antenna are sequentially connected;
  • the radio frequency circuit switch chip includes a first phase shift component, a second phase shift component, a first switch, a second switch, and a third switch;
  • the input end of the first phase shifting component is connected to the high frequency transmitting port of the radio frequency transceiver, and the output end of the first phase shifting component is connected to the input end of the first switch;
  • An input end of the second phase shifting component is connected to an intermediate frequency transmitting port of the radio frequency transceiver, and an output end of the second phase shifting component is connected to an input end of the second switch;
  • the input end of the third switch is connected to the low frequency transmitting port of the radio frequency transceiver
  • the output ends of the first switch and the second switch are connected to form a switch output port, the switch output port is located inside the radio frequency circuit switch chip, and the switch output port and the output end of the third switch are connected to the Describe the input end of the combiner;
  • the first phase shifting component adjusts a phase offset of the high frequency radio frequency signal output by the high frequency transmitting port to a first preset value, the second phase, when the low frequency transmitting port and the combiner
  • the offset component adjusts a phase offset of the intermediate frequency radio frequency signal output by the intermediate frequency transmission port to a second preset value, so that a transmission path of the high frequency radio frequency signal is cut off with respect to the intermediate frequency radio frequency signal, the intermediate frequency Transmitting a radio frequency signal with respect to the high frequency radio frequency signal, such that the high frequency radio frequency signal and the intermediate frequency radio frequency signal are subjected to carrier aggregation to obtain an aggregated signal, and the combiner combines the aggregated signal and the Low frequency RF signal carrier aggregation of low frequency transmit port output.
  • the embodiment of the present application further provides an antenna device, including a radio frequency circuit and a data processing circuit, where the radio frequency circuit is connected to the data processing circuit, the radio frequency circuit is the radio frequency circuit, and the data processing circuit is used to The RF signal transmitted and received by the RF circuit is processed.
  • an antenna device including a radio frequency circuit and a data processing circuit, where the radio frequency circuit is connected to the data processing circuit, the radio frequency circuit is the radio frequency circuit, and the data processing circuit is used to The RF signal transmitted and received by the RF circuit is processed.
  • the embodiment of the present application further provides an electronic device including a casing and a circuit board.
  • the circuit board is installed inside the casing.
  • the circuit board is provided with a radio frequency circuit, and the radio frequency circuit is the radio frequency circuit.
  • FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a first structure of a radio frequency circuit according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a second structure of a radio frequency circuit according to an embodiment of the present application.
  • FIG. 4 is a third schematic structural diagram of a radio frequency circuit according to an embodiment of the present application.
  • FIG. 5 is a fourth structural diagram of a radio frequency circuit according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a first structure of a radio frequency circuit switch chip according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a second structure of a radio frequency circuit switch chip according to an embodiment of the present application.
  • FIG. 8 is a third schematic structural diagram of a radio frequency circuit switch chip according to an embodiment of the present application.
  • FIG. 9 is a fourth structural diagram of a radio frequency circuit switch chip according to an embodiment of the present application.
  • FIG. 10 is a fifth structural diagram of a radio frequency circuit according to an embodiment of the present application.
  • FIG. 11 is another schematic structural diagram of an electronic device according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of an antenna apparatus according to an embodiment of the present application.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • Connected, or integrally connected may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.
  • the embodiment provides a radio frequency circuit, including a radio frequency transceiver, a radio frequency circuit switch chip, a combiner, and an antenna, wherein the radio frequency transceiver, the radio frequency circuit switch chip, the combiner, and the antenna are sequentially connected;
  • the radio frequency circuit switch chip includes a first phase shift component, a second phase shift component, a first switch, a second switch, and a third switch;
  • the input end of the first phase shifting component is connected to the high frequency transmitting port of the radio frequency transceiver, and the output end of the first phase shifting component is connected to the input end of the first switch;
  • An input end of the second phase shifting component is connected to an intermediate frequency transmitting port of the radio frequency transceiver, and an output end of the second phase shifting component is connected to an input end of the second switch;
  • the input end of the third switch is connected to the low frequency transmitting port of the radio frequency transceiver
  • the output ends of the first switch and the second switch are connected to form a switch output port, the switch output port is located inside the radio frequency circuit switch chip, and the switch output port and the output end of the third switch are connected to the Describe the input end of the combiner;
  • the first phase shifting component adjusts a phase offset of the high frequency radio frequency signal output by the high frequency transmitting port to a first preset value, the second phase, when the low frequency transmitting port and the combiner
  • the offset component adjusts a phase offset of the intermediate frequency radio frequency signal output by the intermediate frequency transmission port to a second preset value, so that a transmission path of the high frequency radio frequency signal is cut off with respect to the intermediate frequency radio frequency signal, the intermediate frequency Transmitting a radio frequency signal with respect to the high frequency radio frequency signal, such that the high frequency radio frequency signal and the intermediate frequency radio frequency signal are subjected to carrier aggregation to obtain an aggregated signal, and the combiner combines the aggregated signal and the Low frequency RF signal carrier aggregation of low frequency transmit port output.
  • the radio frequency switch chip includes a first output port and a second output port, the switch output port is connected to the first output port, an output end of the third switch, and the second An output port is connected, the first output port and the second output port being connected to an input of the combiner.
  • the first switch, the second switch, and the third switch are both single-pole multi-throw switches.
  • the number of the high frequency transmitting ports is at least two, and the first phase shifting component includes at least two first phase shifters, and each of the high frequency transmitting ports passes through one
  • the first phase shifter is coupled to the first switch, and the first switch is configured to connect each of the first phase shifters to the combiner.
  • the number of the intermediate frequency transmission ports is at least two, and the second phase offset component includes at least two second phase shifters, and each of the intermediate frequency transmission ports passes through one of the A second phase shifter is coupled to the second switch, the second switch for coupling each of the second phase shifters to the combiner.
  • the high frequency transmission port includes N 1 different frequency band sub-transmission ports, and the input end of the first switch includes N 1 high frequency sub input ports, and the N 1 sub transmission ports and The N 1 high frequency sub input ports are connected one by one;
  • the intermediate frequency port includes N 2 different frequency band sub-transmission ports
  • the input end of the second switch includes N 2 intermediate frequency sub-input ports
  • the N 2 sub-transmission ports and the N 2 intermediate frequency sub-input ports are One connection
  • the low frequency port includes N 3 different frequency band sub-transmission ports
  • the input end of the third switch includes N 3 low frequency sub input ports
  • the N 3 sub transmission ports and the N 3 low frequency sub input ports are One connection
  • N 1 , N 2 and N 3 are all natural numbers greater than 1.
  • each of the sub-transmitting ports of the high-frequency transmitting port and each of the first switches correspond to a high-frequency sub-input port
  • each sub-transmitting port of the intermediate-frequency transmitting port is A power amplifier is connected between each of the sub-transmission ports corresponding to the intermediate frequency sub-input ports of the second switch, each of the sub-transmission ports of the low-frequency port, and each of the corresponding low-frequency sub-input ports of the third switch.
  • each of the sub-transmitting ports of the high-frequency transmitting port and each of the first switches correspond to a high-frequency sub-input port
  • each sub-transmitting port of the intermediate frequency port corresponds to a high-frequency sub-input port
  • each sub-transmitting port of the intermediate frequency port corresponds to a high-frequency sub-input port
  • the A duplexer or a filter is connected between each of the second switches corresponding to the intermediate frequency sub-input ports, each of the sub-transmitting ports of the low-frequency port, and each of the corresponding low-frequency sub-input ports of the third switch.
  • the radio frequency circuit emits a high frequency radio frequency signal when the first switch is turned on and the second switch and the third switch are disconnected.
  • the radio frequency circuit transmits an intermediate frequency radio frequency signal when the second switch is turned on and the first switch and the third switch are disconnected.
  • the radio frequency circuit emits a low frequency radio frequency signal when the third switch is turned on and the first switch and the second switch are disconnected.
  • the radio frequency circuit implements carrier aggregation of a high frequency radio frequency signal and an intermediate frequency radio frequency signal when both the first switch and the second switch are both turned on and the third switch is disconnected.
  • the radio frequency circuit implements carrier aggregation of a high frequency radio frequency signal and a low frequency radio frequency signal when both the first switch and the third switch are both turned on and the second switch is disconnected.
  • the radio frequency circuit implements carrier aggregation of the intermediate frequency radio frequency signal and the low frequency radio frequency signal when both the second switch and the third switch are turned on and the first switch is disconnected.
  • the number of high frequency transmitting ports of the radio frequency transceiver is at least two
  • the first phase shifting component includes at least two first phase shifters, each of the high frequency transmitting The port is respectively connected to the first switch by a first phase shifter, and the first switch is configured to connect each of the first phase shifters with the combiner.
  • the number of intermediate frequency transmission ports of the radio frequency transceiver is at least two
  • the second phase offset component includes at least two second phase shifters, and each of the intermediate frequency transmission ports respectively
  • the second switch is connected to the second switch by a second phase shifter, and the second switch is configured to connect each of the second phase shifters with the combiner.
  • the radio frequency circuit further includes a control circuit, the control circuit is connected to the radio frequency circuit switch chip, and the control circuit is further connected to a processor of the electronic device, according to the instruction of the processor Controlling the state of the radio frequency circuit switch chip.
  • the input of the first phase shifter is coupled to at least two high frequency transmit ports of the radio frequency transceiver.
  • the electronic device can be a device such as a smartphone or a tablet.
  • the electronic device 100 includes a cover 101, a display screen 102, a circuit board 103, and a housing 104.
  • the cover plate 101 is mounted to the display screen 102 to cover the display screen 102.
  • the cover plate 101 may be a transparent glass cover.
  • the cover plate 101 can be a glass cover plate made of a material such as sapphire.
  • the display screen 102 is mounted on the housing 104 to form a display surface of the electronic device 100.
  • the display screen 102 can include a display area 102A and a non-display area 102B.
  • the display area 102A is for displaying information such as images, texts, and the like.
  • the non-display area 102B does not display information.
  • the bottom of the non-display area 102B may be provided with functional components such as a fingerprint module and a touch circuit.
  • the circuit board 103 is mounted inside the housing 104.
  • the circuit board 103 can be a motherboard of the electronic device 100.
  • Functional components such as a camera, a proximity sensor, and a processor can be integrated on the circuit board 103.
  • the display screen 102 can be electrically connected to the circuit board 103.
  • a circuit board 103 is provided with a radio frequency (RF) circuit.
  • the radio frequency circuit can communicate with a network device (eg, a server, a base station, etc.) or other electronic device (eg, a smart phone, etc.) through a wireless network to complete transceiving information with the network device or other electronic device.
  • a network device eg, a server, a base station, etc.
  • other electronic device eg, a smart phone, etc.
  • the radio frequency circuit 200 includes a radio frequency transceiver 21, a power amplifying unit 22, a filtering unit 23, a radio frequency circuit switching chip 24, a combiner 25, and an antenna 26.
  • the power amplifying unit 22, the filtering unit 23, the radio frequency circuit switching chip 24, the combiner 25, and the antenna 26 are sequentially connected.
  • the radio frequency transceiver 21 has a transmit port TX and a receive port RX.
  • the transmitting port TX is used to transmit a radio frequency signal (uplink signal), and the receiving port RX is used to receive a radio frequency signal (downlink signal).
  • the transmitting port TX of the radio frequency transceiver 21 is connected to the power amplifying unit 22, and the receiving port RX is connected to the filtering unit 23.
  • the power amplifying unit 22 is configured to amplify the uplink signal transmitted by the radio frequency transceiver 21 and send the amplified uplink signal to the filtering unit 23.
  • the filtering unit 23 is configured to filter the uplink signal transmitted by the radio frequency transceiver 21 and send the filtered uplink signal to the antenna 26.
  • the filtering unit 23 is further configured to filter the downlink signal received by the antenna 26 and send the filtered downlink signal to the radio frequency transceiver 21.
  • the RF circuit switch chip 24 is used to selectively turn on the communication band between the RF transceiver 21 and the antenna 26. The detailed structure and function of the RF circuit switch chip 24 will be described below.
  • the combiner 25 can be a dual frequency combiner.
  • the output of combiner 25 is connected to antenna 26.
  • the antenna 26 is configured to transmit an uplink signal sent by the radio frequency transceiver 21 to the outside, or receive a radio frequency signal from the outside, and send the received downlink signal to the radio frequency transceiver 21.
  • the radio frequency circuit 200 further includes a control circuit 27.
  • the control circuit 27 is connected to the RF circuit switch chip 24.
  • the control circuit 27 can also be coupled to a processor in the electronic device 100 to control the state of the RF circuit switch chip 24 in accordance with instructions from the processor.
  • the radio frequency transceiver 21 includes a high frequency port 21H, an intermediate frequency port 21M, and a low frequency port 21L.
  • the high frequency port 21H, the intermediate frequency port 21M, and the low frequency port 21L may respectively include a plurality of radio frequency transmitting ports and a plurality of radio frequency receiving ports.
  • the high frequency port 21H is used for transmitting and receiving high frequency radio frequency signals
  • the intermediate frequency port 21M is used for transmitting and receiving intermediate frequency radio frequency signals
  • the low frequency port 21L is used for transmitting and receiving low frequency radio frequency signals.
  • the radio frequency transceiver 21 includes nine radio frequency transmitting ports a1, a2, a3, a4, a5, a6, a7, a8, a9, and nine radio frequency receiving ports b1, b2, b3, b4, b5, b6, b7, B8, b9.
  • a1, a2, and a3 are high-frequency transmitting ports for transmitting high-frequency radio frequency signals (for example, radio frequency signals in bands such as band7, band40, and band41).
  • B1, b2, and b3 are high frequency receiving ports for receiving high frequency RF signals.
  • A4, a5, and a6 are intermediate frequency transmission ports for transmitting intermediate frequency radio frequency signals (for example, radio frequency signals in bands of band 1, band 2, and band 3).
  • B4, b5, and b6 are intermediate frequency receiving ports for receiving intermediate frequency radio frequency signals.
  • A7, a8, and a9 are low-frequency transmitting ports for transmitting low-frequency RF signals (for example, RF signals in bands such as band8, band12, and band20).
  • B7, b8, and b9 are low frequency receiving ports for receiving low frequency RF signals.
  • the above embodiment only takes the high frequency port 21H, the intermediate frequency port 21M, and the low frequency port 21L of the radio frequency transceiver 21 as three radio frequency transmitting ports and three radio frequency receiving ports as an example for description.
  • the high frequency port 21H, the intermediate frequency port 21M, and the low frequency port 21L may also include other numbers of radio frequency transmitting ports and radio frequency receiving ports, respectively. It suffices that the number of the radio frequency transmitting port and the radio frequency receiving port included in each of the high frequency port 21H, the intermediate frequency port 21M, and the low frequency port 21L is the same and greater than one.
  • the power amplifying unit 22 includes nine amplifiers 221, 222, 223, 224, 225, 226, 227, 228, 229.
  • the amplifiers 221, 222, 223, 224, 225, 226, 227, 228, 229 are respectively connected to the radio frequency transmitting ports a1, a2, a3, a4, a5, a6, a7, a8, a9 of the radio frequency transceiver 21.
  • the filtering unit 23 includes nine duplexers 231, 232, 233, 234, 235, 236, 237, 238, 239. Among them, the duplexers 231, 232, 233, 234, 235, 236, 237, 238, 239 are connected to the amplifiers 221, 222, 223, 224, 225, 226, 227, 228, 229, respectively. And, the duplexers 231, 232, 233, 234, 235, 236, 237, 238, 239 are respectively connected to the radio frequency receiving ports b1, b2, b3, b4, b5, b6, b7, b8, b9 of the radio frequency transceiver 21. .
  • the input of the RF circuit switch chip 24 includes nine sub-input ports c1, c2, c3, c4, c5, c6, c7, c8, c9.
  • the sub-input ports c1, c2, c3, c4, c5, c6, c7, c8, and c9 are connected to the duplexers 231, 232, 233, 234, 235, 236, 237, 238, and 239, respectively.
  • the filtering unit 23 includes a filter 231, a filter 232, and seven duplexers 233, 234, 235, 236, 237, 238, 239.
  • the filter 231, the filter 232, and the seven duplexers 233, 234, 235, 236, 237, 238, and 239 are connected to the amplifiers 221, 222, 223, 224, 225, 226, 227, 228, and 229, respectively.
  • the filter 231, the filter 232, and the seven duplexers 233, 234, 235, 236, 237, 238, 239 and the radio frequency receiving ports b1, b2, b3, b4, b5, b6 of the radio frequency transceiver 21, respectively B7, b8, b9 are connected.
  • the input of the RF circuit switch chip 24 includes nine sub-input ports c1, c2, c3, c4, c5, c6, c7, c8, c9.
  • the sub-input ports c1, c2, c3, c4, c5, c6, c7, c8, and c9 are respectively connected to the filter 231, the filter 232, and the seven duplexers 233, 234, 235, 236, 237, 238, and 239. connection.
  • filtering unit 23 may also include other numbers of filters and duplexers.
  • the communication frequency band of LTE is divided into Frequency Division Duplex (FDD) and Time Division Duplex (Time Division Duplex). TDD) two types.
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • the uplink and downlink communication links use different frequencies.
  • the duplexer needs to filter the uplink and downlink communication signals in the RF circuit.
  • the uplink and downlink communication links use the same frequency to transmit RF signals in different time slots.
  • the RF circuit needs a filter to filter the uplink and downlink communication signals.
  • the number of filters and the number of duplexers included in the filtering unit 23 depend on the duplex mode in which the radio frequency signals of the respective frequency bands transmitted by the radio frequency transceiver 21 are located.
  • the RF transmit port and the RF receive port are connected to a duplexer; in the TDD mode, the RF transmit port and the RF receive port are connected to a filter.
  • the band1 and band2 bands work in the FDD mode, and the transmit port and the receive port of the band1 and band2 radio signals are connected to the duplexer; and the band40 and band41 bands operate in the TDD mode, and the transmit and receive ports of the band 40 and band41 radio frequency signals are transmitted. Connected to the filter.
  • the RF circuit switch chip 24 can include a first switch 241 , a second switch 242 , a third switch 243 , a first phase shift component 245 , and a second phase shift component 246 .
  • the first switch 241 can be a single-pole multi-throw switch.
  • the first switch 241 includes a plurality of sub input ports.
  • the first switch 241 includes three sub-input ports c1, c2, c3.
  • the output of the first switch 241 can be connected to any one of the c1, c2, c3 sub-input ports.
  • the second switch 242 can be a single pole multi throw switch.
  • the second switch 242 includes a plurality of sub-input ports.
  • the second switch 242 includes three sub-input ports c4, c5, c6.
  • the output of the second switch 242 can be connected to any one of the c4, c5, c6 sub-input ports.
  • the third switch 243 can also be a single-pole multi-throw switch.
  • the third switch 243 includes a plurality of sub input ports.
  • the second switch 243 includes three sub-input ports c7, c8, c9.
  • the output of the third switch 243 can be connected to any one of the c7, c8, c9 sub-input ports.
  • the input of the first phase shifting component 245 can be coupled to the high frequency transmit port of the RF transceiver 21, and the output of the first phase shifting component 245 can be coupled to the input of the first switch 241.
  • the input of the second phase shifting component 246 can be coupled to the intermediate frequency transmit port of the RF transceiver 21, and the output of the second phase shifting component 246 can be coupled to the input of the second switch 242.
  • the input of the third switch 243 can be connected to the low frequency transmit port of the radio frequency transceiver 21.
  • the output ends of the first switch 241 and the second switch 242 may be connected to form a switch output port, which may be located inside the RF circuit switch chip 24, and the output of the switch output port and the third switch 243 may be connected to the combined circuit The input of the device 25.
  • the first phase shifting component 245 can adjust the phase offset of the high frequency radio frequency signal output by the high frequency transmitting port of the radio frequency transceiver 21 to a first preset value.
  • the second phase shifting component 246 can adjust the phase offset of the intermediate frequency radio frequency signal output by the intermediate frequency transmitting port of the radio frequency transceiver 21 to a second preset value, so that the transmission path of the high frequency radio frequency signal is cut off relative to the intermediate frequency radio frequency signal.
  • the transmission path of the intermediate frequency radio frequency signal is cut off relative to the high frequency radio frequency signal, so that the high frequency radio frequency signal and the intermediate frequency radio frequency signal are subjected to carrier aggregation to obtain a converged signal, and the combiner 25 can also use the converged signal and the low frequency of the radio frequency transceiver 21
  • the low frequency RF signal output from the transmitting port is used for carrier aggregation.
  • the radio frequency circuit provided by the embodiment of the invention can control the radio frequency signals of different frequency bands for carrier aggregation, thereby improving the diversity of carrier aggregation of the radio frequency signals by the electronic device.
  • the radio frequency circuit It can emit high frequency RF signals.
  • the radio frequency circuit can transmit the intermediate frequency radio frequency signal.
  • the radio frequency circuit can transmit a low frequency radio frequency signal.
  • the RF circuit can implement carrier aggregation of high frequency RF signals and IF RF signals.
  • the RF circuit can implement carrier aggregation of high frequency RF signals and low frequency RF signals.
  • the RF circuit can implement carrier aggregation of the IF RF signal and the low frequency RF signal.
  • the RF circuit can implement carrier aggregation of high-frequency RF signals, intermediate-frequency RF signals, and low-frequency RF signals.
  • the RF switch chip 24 can include a first output port 247 and a second output port 248 .
  • the switch output port formed by connecting the output ends of the first switch 241 and the second switch 242 may be connected to the first output port 247, and the output end of the third switch 243 may be connected to the second output port 248, the first output port 247 and the The two output ports 248 are connected to the input of the combiner 25.
  • the number of high frequency transmit ports of the radio frequency transceiver 21 is at least two, and the first phase shift component 245 can include at least two first phase shifters.
  • Each of the high frequency transmitting ports may be coupled to the first switch 241 via a first phase shifter, and the first switch 241 is configured to connect each of the first phase shifters to the combiner 25.
  • the first phase shift component 245 can include three phase shifters 2451, 2452, 2453.
  • the three phase shifters 2451, 2452, and 2453 are connected to the three sub-input ports c1, c2, and c3 of the first switch 241, respectively.
  • the number of intermediate frequency transmission ports of the radio frequency transceiver 21 may be at least two, and the second phase offset component 246 may include at least two second phase shifters, each of which may pass through one The second phase shifter is coupled to the second switch 242 for turning each of the second phase shifters to the combiner 25.
  • second phase shift component 246 can include three phase shifters 2461, 2462, 2463.
  • the three phase shifters 2461, 2462, and 2463 are connected to the three sub-input ports c4, c5, and c6 of the second switch 242, respectively.
  • the input of a phase shifter can be coupled to one of the radio frequency transceivers (high frequency transmit port or intermediate frequency transmit port). In still other embodiments, the input of one phase shifter can be coupled to at least two radio frequency ports (e.g., two high frequency transmit ports, or two intermediate frequency transmit ports) in the radio frequency transceiver.
  • the input end of the phase shifter 2451 is connected to the port corresponding to the Band 40 frequency band in the RF transceiver 21
  • the input end of the phase shifter 2461 is connected to the port corresponding to the Band 1 and Band 3 bands in the RF transceiver 21 . .
  • the first phase shift component 245 is passed through phase shift (Phase Shift).
  • the phase shifter 2451 can adjust the phase offset of the Band 40 signal output by the high frequency transmit port of the radio frequency transceiver 21 to a first preset value, and the phase shifter 2461 in the second phase offset component 246 can The phase offsets of the Band1 and Band3 signals output by the intermediate frequency transmitting port of the RF transceiver 21 are adjusted to a second preset value, so that the transmission paths of the Band1 and Band3 signals are cut off with respect to the Band40 signal, and the transmission path of the Band40 signal is compared with the Band1. And the Band3 signal is cut off, so that the high frequency radio frequency signal and the intermediate frequency radio frequency signal are subjected to carrier aggregation to obtain a aggregated signal.
  • phase offset the carrier insertion of the radio frequency path can be reduced while the carrier aggregation is implemented.
  • the radio frequency circuit can also be a dual antenna design.
  • the RF switch chip 24 can include a first output port 247 and a second output port 248.
  • the switch output port formed by connecting the output ends of the first switch 241 and the second switch 242 may be connected to the first output port 247, and the first output port 247 may be connected to the antenna 261.
  • the output of the third switch 243 can be coupled to the second output port 248, and the second output port 248 can be coupled to the antenna 262.
  • the radio frequency circuit 200 may include a radio frequency transceiver 21, a power amplifying unit 22, a filtering unit 23, a radio frequency circuit switching chip 24, a combiner 25, and an antenna 26.
  • the power amplifying unit 22, the filtering unit 23, the radio frequency circuit switching chip 24, the combiner 25, and the antenna 26 are sequentially connected.
  • the RF circuit switch chip 24 can include a first switch 241, a second switch 242, a third switch 243, a first phase shifting component 245, and a second phase shifting component 246.
  • the first switch 241 can be a single-pole multi-throw switch.
  • the first switch 241 includes a plurality of sub input ports.
  • the first switch 241 includes three sub-input ports c1, c2, c3.
  • the output of the first switch 241 can be connected to any one of the c1, c2, c3 sub-input ports.
  • the second switch 242 can be a single pole multi throw switch.
  • the second switch 242 includes a plurality of sub-input ports.
  • the second switch 242 includes three sub-input ports c4, c5, c6.
  • the output of the second switch 242 can be connected to any one of the c4, c5, c6 sub-input ports.
  • the third switch 243 can also be a single-pole multi-throw switch.
  • the third switch 243 includes a plurality of sub input ports.
  • the third switch 243 includes three sub-input ports c7, c8, c9.
  • the output of the third switch 243 can be connected to any one of the c7, c8, c9 sub-input ports.
  • the input of the first phase shifting component 245 can be coupled to the high frequency transmit port of the RF transceiver 21, and the output of the first phase shifting component 245 can be coupled to the input of the first switch 241.
  • the input of the second phase shifting component 246 can be coupled to the intermediate frequency transmit port of the RF transceiver 21, and the output of the second phase shifting component 246 can be coupled to the input of the second switch 242.
  • the input of the third switch 243 can be connected to the low frequency transmit port of the radio frequency transceiver 21.
  • the output ends of the first switch 241 and the second switch 242 may be connected to form a switch output port, which may be located inside the RF circuit switch chip 24, and the output of the switch output port and the third switch 243 may be connected to the combined circuit The input of the device 25.
  • the first phase shifting component 245 can adjust the phase offset of the high frequency radio frequency signal output by the high frequency transmitting port of the radio frequency transceiver 21 to a first preset value.
  • the second phase shifting component 246 can adjust the phase offset of the intermediate frequency radio frequency signal output by the intermediate frequency transmitting port of the radio frequency transceiver 21 to a second preset value, so that the transmission path of the high frequency radio frequency signal is cut off relative to the intermediate frequency radio frequency signal.
  • the transmission path of the intermediate frequency radio frequency signal is cut off relative to the high frequency radio frequency signal, so that the high frequency radio frequency signal and the intermediate frequency radio frequency signal are subjected to carrier aggregation to obtain a converged signal, and the combiner 25 can also use the converged signal and the low frequency of the radio frequency transceiver 21
  • the low frequency RF signal output from the transmitting port is used for carrier aggregation.
  • the radio frequency circuit It can emit high frequency RF signals.
  • the radio frequency circuit can transmit the intermediate frequency radio frequency signal.
  • the radio frequency circuit can transmit a low frequency radio frequency signal.
  • the RF circuit can implement carrier aggregation of high frequency RF signals and IF RF signals.
  • the RF circuit can implement carrier aggregation of high frequency RF signals and low frequency RF signals.
  • the RF circuit can implement carrier aggregation of the IF RF signal and the low frequency RF signal.
  • the RF circuit can implement carrier aggregation of high-frequency RF signals, intermediate-frequency RF signals, and low-frequency RF signals.
  • the housing 104 is used to form an outer contour of the electronic device 100.
  • the material of the housing 104 may be plastic or metal.
  • the housing 104 can be integrally formed.
  • FIG. 11 is another schematic structural diagram of an electronic device 100 according to an embodiment of the present application.
  • the electronic device 100 includes an antenna device 10, a memory 20, a display unit 30, a power source 40, and a processor 50.
  • Those skilled in the art can appreciate that the structure of the electronic device 100 shown in FIG. 11 does not constitute a limitation on the electronic device 100.
  • Electronic device 100 may include more or fewer components than illustrated, or some components in combination, or different component arrangements.
  • the antenna device 10 includes the radio frequency circuit 200 described in any of the above embodiments.
  • the antenna device 10 can communicate with a network device (eg, a server) or other electronic device (eg, a smart phone) over a wireless network to perform transceiving of information with a network device or other electronic device.
  • a network device eg, a server
  • other electronic device eg, a smart phone
  • the antenna device 10 can also include a data processing circuit 300.
  • the data processing circuit 300 is coupled to the radio frequency circuit 200.
  • the data processing circuit 300 is configured to process radio frequency signals transmitted and received by the radio frequency circuit 200.
  • Memory 20 can be used to store applications and data.
  • the application stored in the memory 20 contains executable program code.
  • Applications can form various functional modules.
  • the processor 50 executes various functional applications and data processing by running an application stored in the memory 20.
  • the display unit 30 can be used to display information input by the user to the electronic device 100 or information provided to the user and various graphical user interfaces of the electronic device 100. These graphical user interfaces can be composed of graphics, text, icons, video, and any combination thereof.
  • the display unit 30 may include a display panel.
  • the power source 40 is used to power various components of the electronic device 100.
  • the power source 40 can be logically coupled to the processor 50 through a power management system to enable functions such as managing charging, discharging, and power management through the power management system.
  • the processor 50 is a control center of the electronic device 100.
  • the processor 50 connects various parts of the entire electronic device 100 using various interfaces and lines, performs various functions of the electronic device 100 by running or executing an application stored in the memory 20, and calling data stored in the memory 20.
  • the data is processed to perform overall monitoring of the electronic device 100.
  • the electronic device 100 may further include a camera module, a Bluetooth module, and the like, and details are not described herein again.
  • the radio frequency circuit switch chip, the radio frequency circuit, the antenna device and the electronic device provided by the embodiments of the present application are described in detail.
  • the principles and implementation manners of the present invention are described in the specific examples. The description of the above embodiments is only used. To help understand the invention. In the meantime, the present invention is not limited by the scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transceivers (AREA)

Abstract

L'invention concerne un circuit à radiofréquence comprenant une puce pour un commutateur de circuit à radiofréquence. Une extrémité d'entrée d'un premier ensemble de déphasage du commutateur de circuit à radiofréquence est reliée à un port de transmission à haute fréquence d'un récepteur à radiofréquence, et une extrémité de sortie du premier ensemble de déphasage est reliée à une extrémité d'entrée d'un premier commutateur. Une extrémité d'entrée d'un deuxième ensemble de déphasage est reliée à un port de transmission de fréquence intermédiaire de l'émetteur-récepteur à radiofréquence, et une extrémité de sortie du deuxième ensemble de déphasage est reliée à une extrémité d'entrée d'un deuxième commutateur. Une extrémité d'entrée d'un troisième commutateur est reliée à un port de transmission à basse fréquence de l'émetteur-récepteur à radiofréquence.
PCT/CN2018/094443 2017-07-25 2018-07-04 Circuit à radiofréquence, dispositif d'antenne et dispositif électronique WO2019019884A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710614400.5A CN107493114A (zh) 2017-07-25 2017-07-25 射频电路、天线装置及电子设备
CN201710614400.5 2017-07-25

Publications (1)

Publication Number Publication Date
WO2019019884A1 true WO2019019884A1 (fr) 2019-01-31

Family

ID=60644185

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/094443 WO2019019884A1 (fr) 2017-07-25 2018-07-04 Circuit à radiofréquence, dispositif d'antenne et dispositif électronique

Country Status (2)

Country Link
CN (1) CN107493114A (fr)
WO (1) WO2019019884A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107332573B (zh) * 2017-07-25 2021-04-13 Oppo广东移动通信有限公司 一种射频电路、天线装置及电子设备
CN107493114A (zh) * 2017-07-25 2017-12-19 广东欧珀移动通信有限公司 射频电路、天线装置及电子设备
CN111884671A (zh) * 2020-08-04 2020-11-03 维沃移动通信有限公司 射频电路和电子设备
CN112152690B (zh) * 2020-09-18 2024-02-09 Oppo广东移动通信有限公司 分集接收装置、设备、方法和计算机可读存储介质
CN112764366A (zh) * 2020-11-17 2021-05-07 宁波鑫海智造科技有限公司 一种档案柜档案夹识别控制电路

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104980262A (zh) * 2015-06-11 2015-10-14 联想(北京)有限公司 用于载波聚合的装置及其方法
CN105684367A (zh) * 2013-09-17 2016-06-15 天工方案公司 与载波聚合前端模块应用有关的系统和方法
CN107332573A (zh) * 2017-07-25 2017-11-07 广东欧珀移动通信有限公司 一种射频电路、天线装置及电子设备
CN107493114A (zh) * 2017-07-25 2017-12-19 广东欧珀移动通信有限公司 射频电路、天线装置及电子设备
CN107508606A (zh) * 2017-07-25 2017-12-22 广东欧珀移动通信有限公司 射频电路、天线装置及电子设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5597228B2 (ja) * 2012-07-11 2014-10-01 株式会社Ｎｔｔドコモ フロントエンド回路、インピーダンス調整方法
DE102014110905A1 (de) * 2014-07-31 2016-02-04 Epcos Ag Duplexer mit verbesserter Reflektivität
CN105471557B (zh) * 2014-08-15 2019-06-28 深圳市中兴微电子技术有限公司 一种载波聚合装置
US9634702B2 (en) * 2015-04-30 2017-04-25 Nokia Technologies Oy Multiband filter for non-contiguous channel aggregation
CN204761429U (zh) * 2015-06-24 2015-11-11 陈林 一种终端设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105684367A (zh) * 2013-09-17 2016-06-15 天工方案公司 与载波聚合前端模块应用有关的系统和方法
CN104980262A (zh) * 2015-06-11 2015-10-14 联想(北京)有限公司 用于载波聚合的装置及其方法
CN107332573A (zh) * 2017-07-25 2017-11-07 广东欧珀移动通信有限公司 一种射频电路、天线装置及电子设备
CN107493114A (zh) * 2017-07-25 2017-12-19 广东欧珀移动通信有限公司 射频电路、天线装置及电子设备
CN107508606A (zh) * 2017-07-25 2017-12-22 广东欧珀移动通信有限公司 射频电路、天线装置及电子设备

Also Published As

Publication number Publication date
CN107493114A (zh) 2017-12-19

Similar Documents

Publication Publication Date Title
EP3661064B1 (fr) Circuit de radiofréquence et dispositif électronique
CN107086873B (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
WO2019019884A1 (fr) Circuit à radiofréquence, dispositif d'antenne et dispositif électronique
CN107302373B (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
KR102513290B1 (ko) 안테나를 포함하는 전자 장치
KR20130117791A (ko) 안테나 및 rf 프론트 엔드 장치
US8432836B2 (en) Wireless circuitry with simultaneous voice and data capabilities and reduced intermodulation distortion
CN107070485A (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
CN110692200A (zh) 天线隔离增强
CN113992231B (zh) 射频收发模组及电子设备
CN107359894A (zh) 射频电路、天线装置及电子设备
CN107508606B (zh) 射频电路、天线装置及电子设备
CN107171672A (zh) 一种射频电路开关芯片、射频电路、天线装置及电子设备
CN107395216A (zh) 射频电路、天线装置及电子设备
CN107404324A (zh) 射频电路、天线装置及电子设备
CN107302374A (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
CN107104698B (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
CN110537331B (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
CN107181497B (zh) 射频电路、天线装置及电子设备
CN110546906B (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
CN109951204B (zh) 射频电路、天线装置及电子设备
CN107171675B (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
CN110546891B (zh) 射频电路开关芯片、射频电路、天线装置及电子设备
CN107404325A (zh) 射频电路、天线装置及电子设备
KR20060124090A (ko) 3대역 단일 인테나 공유장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18837953

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18837953

Country of ref document: EP

Kind code of ref document: A1