WO2018205172A1 - Puce de commutateur de circuit radiofréquence, circuit radiofréquence, dispositif d'antenne et dispositif électronique - Google Patents

Puce de commutateur de circuit radiofréquence, circuit radiofréquence, dispositif d'antenne et dispositif électronique Download PDF

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Publication number
WO2018205172A1
WO2018205172A1 PCT/CN2017/083839 CN2017083839W WO2018205172A1 WO 2018205172 A1 WO2018205172 A1 WO 2018205172A1 CN 2017083839 W CN2017083839 W CN 2017083839W WO 2018205172 A1 WO2018205172 A1 WO 2018205172A1
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WO
WIPO (PCT)
Prior art keywords
switch
combiner
port
input
radio frequency
Prior art date
Application number
PCT/CN2017/083839
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English (en)
Chinese (zh)
Inventor
丛明
冯斌
Original Assignee
广东欧珀移动通信有限公司
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 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to PCT/CN2017/083839 priority Critical patent/WO2018205172A1/fr
Priority to CN201780089415.2A priority patent/CN110546889B/zh
Publication of WO2018205172A1 publication Critical patent/WO2018205172A1/fr

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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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a radio frequency circuit switch chip, a radio frequency circuit, an antenna device, and an electronic device.
  • LTE Long Term The Evolution, Long Term Evolution communication signal may include signals 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.
  • carrier aggregation carrier Aggregation
  • CA carrier aggregation
  • multiple sub-band signals can be aggregated together to improve the uplink and downlink transmission rates of the network.
  • the frequency resources of various communication markets around the world are different. Communication operators in different regions have different communication spectrum allocations, so there are different carrier aggregation band combinations. However, the current carrier aggregation is capable of a single frequency band of aggregation, lacking diversity, and cannot meet the above requirements.
  • the embodiment of the invention provides a radio frequency circuit switch chip, a radio frequency circuit, an antenna device and an electronic device, which can improve the diversity of carrier aggregation of the radio frequency signal by the electronic device.
  • an embodiment of the present invention provides a radio frequency circuit switch chip, including a first switch, a second switch, a third switch, a first combiner, and a second combiner, a first switch, a second switch, and a first switch
  • the three switches can respectively output a high frequency signal, an intermediate frequency signal, and a low frequency signal;
  • the first switch and the second switch can selectively turn on the first combiner to implement carrier aggregation of the high frequency signal and the intermediate frequency signal;
  • the first switch and the third switch can selectively turn on the second combiner to implement carrier aggregation of the high frequency signal and the low frequency signal;
  • the second switch and the third switch can selectively turn on the second combiner to implement carrier aggregation of the intermediate frequency signal and the low frequency signal;
  • the first switch and the second switch can selectively turn on the first combiner, and the third switch, the first combiner can selectively turn on the second combiner to implement a high frequency signal, an intermediate frequency signal, and a low frequency Signal carrier aggregation.
  • an embodiment of the present invention provides a radio frequency circuit, including a radio frequency transceiver, a radio frequency circuit switch chip, and an antenna, where the radio frequency transceiver, the radio frequency circuit switch chip, and the antenna are sequentially connected;
  • the RF circuit switch chip includes a first switch, a second switch, a third switch, a first combiner and a second combiner, and the first switch, the second switch, and the third switch respectively output a high frequency signal and an intermediate frequency signal Low frequency signal;
  • the first switch and the second switch can selectively turn on the first combiner to implement carrier aggregation of the high frequency signal and the intermediate frequency signal;
  • the first switch and the third switch can selectively turn on the second combiner to implement carrier aggregation of the high frequency signal and the low frequency signal;
  • the second switch and the third switch can selectively turn on the second combiner to implement carrier aggregation of the intermediate frequency signal and the low frequency signal;
  • the first switch and the second switch can selectively turn on the first combiner, and the third switch, the first combiner can selectively turn on the second combiner to implement a high frequency signal, an intermediate frequency signal, and a low frequency Signal carrier aggregation.
  • an embodiment of the present invention provides an antenna apparatus, including the foregoing radio frequency circuit.
  • an embodiment of the present invention provides an electronic device including a housing and a circuit board.
  • the circuit board is mounted inside the housing.
  • the circuit board is provided with a radio frequency circuit, and the radio frequency circuit is the radio frequency circuit.
  • the embodiment of the invention provides a radio frequency circuit switch chip, a radio frequency circuit, an antenna device and an electronic device, which can improve the diversity of carrier aggregation of the radio frequency signal by the electronic device.
  • FIG. 1 is an exploded perspective view of an electronic device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a first structure of a radio frequency circuit according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a second structure of a radio frequency circuit according to an embodiment of the present invention.
  • FIG. 5 is a third schematic structural diagram of a radio frequency circuit according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a fourth structure of a radio frequency circuit according to an embodiment of the present invention.
  • FIG. 7 is a first schematic structural diagram of a radio frequency circuit switch chip according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a second structure of a radio frequency circuit switch chip according to an embodiment of the present invention.
  • FIG. 9 is a third schematic structural diagram of a radio frequency circuit switch chip according to an embodiment of the present invention.
  • FIG. 10 is a fourth structural diagram of a radio frequency circuit switch chip according to an embodiment of the present invention.
  • FIG. 11 is a fifth structural diagram of a radio frequency circuit according to an embodiment of the present invention.
  • FIG. 12 is another schematic structural diagram of an electronic device according to an embodiment of the present invention.
  • 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.
  • Embodiments of the present invention provide an electronic device.
  • 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, a battery 104, and a housing 105.
  • 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 105 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 105.
  • 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.
  • the radio frequency (RF, Radio) is provided on the circuit board 103.
  • Frequency Frequency
  • 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, and an antenna 25.
  • the power amplifying unit 22, the filtering unit 23, the radio frequency circuit switching chip 24, and the antenna 25 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 25.
  • the filtering unit 23 is further configured to filter the downlink signal received by the antenna 25, 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 25.
  • the detailed structure and function of the RF circuit switch chip 24 will be described below.
  • the antenna 25 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 also includes a control circuit 26.
  • the control circuit 26 is connected to the RF circuit switch chip 24.
  • Control circuitry 26 may also be coupled to a processor in electronic device 100 to control the state of radio frequency 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.
  • LTE communication frequency band is divided into frequency division duplex (Frequency Division Duplex (FDD for short) and time division duplex (Time Division Duplex, referred to as TDD, is 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 radio frequency circuit switch chip 24 includes a first switch 241, a second switch 242, a third switch 243, and a combiner 244.
  • the first switch 241, the second switch 242, and the third switch 243 are single-pole multi-throw switches.
  • the first switch 241 includes three sub-input ports c1, c2, c3, the second switch 242 includes three sub-input ports c4, c5, c6, and the third switch 243 includes three sub-input ports c7, c8, c9.
  • the outputs of the first switch 241, the second switch 242, and the third switch 243 are all connected to the input of the combiner 244.
  • Combiner 244 can be a three-frequency combiner. The output of combiner 244 is coupled to antenna 25.
  • connection relationship only indicates a direct connection between components, and does not mean that the components connected to each other are electrically connected.
  • the sub-input ports c1, c2, c3 may be respectively connected to the high frequency port in the radio frequency transceiver 21, and the sub input ports c4, c5, c6 may be respectively connected to the intermediate frequency port in the radio frequency transceiver 21, Input ports c7, c8, c9 can be respectively connected to the low frequency ports in the radio frequency transceiver 21.
  • the combiner 244 can realize carrier aggregation of the high frequency signal and the intermediate frequency signal.
  • the combiner 244 can realize carrier aggregation of the high frequency signal and the low frequency signal.
  • the combiner 244 can realize carrier aggregation of the intermediate frequency signal and the low frequency signal.
  • the combiner 244 can realize High frequency signal, intermediate frequency signal and low frequency signal carrier aggregation.
  • the radio frequency circuit switch chip 24 includes a first switch 241, a second switch 242, a third switch 243, a switch assembly 246, and a first combiner 244, a second combiner 245.
  • the first switch 241, the second switch 242, and the third switch 243 are single-pole multi-throw switches.
  • the first switch 241 includes three sub-input ports c1, c2, c3, the second switch 242 includes three sub-input ports c4, c5, c6, and the third switch 243 includes three sub-input ports c7, c8, c9.
  • the outputs of the first switch 241 and the second switch 242 are connected to the switch assembly 246.
  • the output of the third switch 243 is coupled to the first input of the second combiner 245.
  • the switch assembly 246 has three input terminals P1, P2, P3 and three output terminals Q1, Q2, Q3.
  • the input terminal P1 is connected to the output end of the switch 241.
  • Input P2 is coupled to the output of switch 242.
  • the input terminal P3 is connected to the output of the first combiner 244.
  • the output Q1 is connected to the first input of the combiner 244.
  • the output terminal Q2 is coupled to the second input of the combiner 244.
  • the output terminal Q3 is connected to the second input terminal of the second combiner 245.
  • the first combiner 244 and the second combiner 245 are both dual frequency combiners.
  • the output of the second combiner 245 is connected to the antenna 25.
  • the switch assembly 246 includes switches K1, K2, K3.
  • the switches K1 and K2 are single-pole double-throw switches
  • K3 is a single-pole single-throw switch.
  • switch K1 The fixed end of switch K1 is coupled to input P1 of switch assembly 246.
  • the gates of switch K1 are coupled to the outputs Q1, Q3 of switch assembly 246, respectively.
  • the switch K1 can selectively turn on the input terminal P1 and the output terminal Q1 or Q3.
  • switch K2 The fixed end of switch K2 is coupled to input P2 of switch assembly 246.
  • the gates of switch K2 are coupled to outputs Q2, Q3 of switch assembly 246, respectively.
  • the switch K2 can selectively turn on the input terminal P2 and the output terminal Q2 or Q3.
  • switch K3 The input and output of switch K3 are coupled to input P3 and output Q3 of switch assembly 246, respectively.
  • the switch K3 can turn on or off the input terminal P3 and the output terminal Q3.
  • the sub-input ports c1, c2, c3 may be respectively connected to the high frequency port in the radio frequency transceiver 21, and the sub input ports c4, c5, c6 may be respectively connected to the intermediate frequency port in the radio frequency transceiver 21, Input ports c7, c8, c9 can be respectively connected to the low frequency ports in the radio frequency transceiver 21.
  • the switch 241 When the switch 241 turns on any one of c1, c2, c3, the switch K1 turns on P1 and Q1, the switch 242 turns on any one of c4, c5, c6, and when the switch K2 turns on P2 and Q2, the combiner 244 High frequency signal and intermediate frequency signal carrier aggregation can be realized.
  • the combiner 245 can realize carrier aggregation of the high frequency signal, the intermediate frequency signal, and the low frequency signal.
  • the combiner 245 can achieve high Carrier aggregation of frequency signals and low frequency signals.
  • the combiner 245 can realize the intermediate frequency Carrier aggregation of signals and low frequency signals.
  • the sub-input port c1 can be connected to the HF band 40 transmit port in the RF transceiver 21
  • the sub-input port c4 can be connected to the IF band 3 transmit port in the RF transceiver 21
  • the sub-input port c7 can be transceived with the RF
  • the low frequency band band 12 in the 21 is connected to the transmit port.
  • switch 241 When switch 241 is turned on c1, switch K1 turns on P1 and Q1, switch 242 turns on c4, and switch K2 turns on P2 and Q2, combiner 244 can implement carrier aggregation of band 40 and band 3.
  • the combiner 245 can implement carrier aggregation of band 40, band 3, and band 12.
  • switch 241 When switch 241 is turned on c1, switch K1 is turned on P1 and Q3, switch 242 is turned off, and switch 243 is turned on c7, combiner 245 can implement carrier aggregation of band 40 and band 12.
  • the switch 241 When the switch 241 is turned off, the switch 242 is turned on c4, the switch K2 is turned on P2 and Q3, the switch 243 is turned on c7, and the combiner 245 can realize carrier aggregation of band3 and band12.
  • the RF circuit switch chip 24 includes a first switch 241 , a second switch 242 , a third switch 243 , a switch assembly 246 , and a first combiner 244 , a second combiner 245 .
  • the first switch 241, the second switch 242, and the third switch 243 are single-pole multi-throw switches.
  • the first switch 241 includes three sub-input ports c1, c2, c3, the second switch 242 includes three sub-input ports c4, c5, c6, and the third switch 243 includes three sub-input ports c7, c8, c9.
  • the outputs of the first switch 241 and the second switch 242 are connected to the switch assembly 246.
  • the output of the third switch 243 is coupled to the first input of the second combiner 245.
  • the first switch 241, the second switch 242, and the third switch 243 may be packaged to form the first chip 247.
  • the switch assembly 246 has three input terminals P1, P2, P3 and three output terminals Q1, Q2, Q3.
  • the input terminal P1 is connected to the output end of the switch 241.
  • Input P2 is coupled to the output of switch 242.
  • the input terminal P3 is connected to the output of the first combiner 244.
  • the output Q1 is connected to the first input of the combiner 244.
  • the output terminal Q2 is coupled to the second input of the combiner 244.
  • the output terminal Q3 is connected to the second input terminal of the second combiner 245.
  • the first combiner 244 and the second combiner 245 are both dual frequency combiners.
  • the output of the second combiner 245 is connected to the antenna 25.
  • the switch assembly 246 includes switches K1, K2, K3.
  • the switches K1 and K2 are single-pole single-throw switches
  • K3 is a single-pole three-throw switch.
  • switch K1 The input and output of switch K1 are coupled to input P1 and output Q1 of switch assembly 246, respectively.
  • the switch K1 can turn on or off the input terminal P1 and the output terminal Q1.
  • switch K2 The input and output of switch K2 are coupled to input P2 and output Q2 of switch assembly 246, respectively.
  • the switch K2 can turn on or off the input terminal P2 and the output terminal Q2.
  • switch K3 The fixed end of switch K3 is coupled to output Q3 of switch assembly 246.
  • the three strobe terminals of the switch K3 are respectively connected to the input terminal P1, the input terminal P2, and the input terminal P3 of the switch assembly 246.
  • the switch K3 can selectively turn on the input terminal P1, the input terminal P2 or the input terminal P3 and the output terminal Q3.
  • the sub-input ports c1, c2, c3 may be respectively connected to the high frequency port in the radio frequency transceiver 21, and the sub input ports c4, c5, c6 may be respectively connected to the intermediate frequency port in the radio frequency transceiver 21, Input ports c7, c8, c9 can be respectively connected to the low frequency ports in the radio frequency transceiver 21.
  • the switch 241 When the switch 241 turns on any one of c1, c2, c3, the switch K1 turns on P1 and Q1, the switch 242 turns on any one of c4, c5, c6, and when the switch K2 turns on P2 and Q2, the combiner 244 High frequency signal and intermediate frequency signal carrier aggregation can be realized.
  • the combiner 245 can realize carrier aggregation of the high frequency signal, the intermediate frequency signal, and the low frequency signal.
  • the combiner 245 can achieve high Carrier aggregation of frequency signals and low frequency signals.
  • the combiner 245 can realize the intermediate frequency Carrier aggregation of signals and low frequency signals.
  • the RF circuit switch chip 24 includes a first switch 241, a second switch 242, a third switch 243, a switch assembly 246, and a first combiner 244, a second combiner 245.
  • the first switch 241, the second switch 242, and the third switch 243 are single-pole multi-throw switches.
  • the first switch 241 includes three sub-input ports c1, c2, c3, the second switch 242 includes three sub-input ports c4, c5, c6, and the third switch 243 includes three sub-input ports c7, c8, c9.
  • the outputs of the first switch 241 and the second switch 242 are connected to the switch assembly 246.
  • the output of the third switch 243 is coupled to the first input of the second combiner 245.
  • the switch assembly 246 has three input terminals P1, P2, P3 and three output terminals Q1, Q2, Q3.
  • the input terminal P1 is connected to the output end of the switch 241.
  • Input P2 is coupled to the output of switch 242.
  • the input terminal P3 is connected to the output of the first combiner 244.
  • the output Q1 is connected to the first input of the combiner 244.
  • the output terminal Q2 is coupled to the second input of the combiner 244.
  • the output terminal Q3 is connected to the second input terminal of the second combiner 245.
  • the first combiner 244 and the second combiner 245 are both dual frequency combiners.
  • the output of the second combiner 245 is connected to the antenna 25.
  • the first switch 241, the second switch 242, the third switch 243, and the switch assembly 246 can be packaged to form the second chip 248.
  • the switch assembly 246 includes switches K1, K2, K3, K4, K5.
  • the switches K1, K2, K3, K4, and K5 are single-pole single-throw switches.
  • switch K1 The input and output of switch K1 are coupled to input P1 and output Q1 of switch assembly 246, respectively.
  • the switch K1 can turn on or off the input terminal P1 and the output terminal Q1.
  • switch K2 The input and output of switch K2 are coupled to input P2 and output Q2 of switch assembly 246, respectively.
  • the switch K2 can turn on or off the input terminal P2 and the output terminal Q2.
  • switch K3 The input and output of switch K3 are coupled to input P2 and output Q3 of switch assembly 246, respectively.
  • the switch K3 can turn on or off the input terminal P2 and the output terminal Q3.
  • switch K4 The input and output of switch K4 are coupled to input P1 and output Q3 of switch assembly 246, respectively.
  • the switch K4 can turn on or off the input terminal P1 and the output terminal Q3.
  • switch K5 The input and output of switch K5 are coupled to input P3 and output Q3 of switch assembly 246, respectively.
  • the switch K5 can turn on or off the input terminal P3 and the output terminal Q3.
  • the sub-input ports c1, c2, c3 may be respectively connected to the high frequency port in the radio frequency transceiver 21, and the sub input ports c4, c5, c6 may be respectively connected to the intermediate frequency port in the radio frequency transceiver 21, Input ports c7, c8, c9 can be respectively connected to the low frequency ports in the radio frequency transceiver 21.
  • the switch 241 When the switch 241 turns on any one of c1, c2, c3, the switch K1 turns on P1 and Q1, the switch 242 turns on any one of c4, c5, c6, and when the switch K2 turns on P2 and Q2, the combiner 244 High frequency signal and intermediate frequency signal carrier aggregation can be realized.
  • the combiner 245 can realize carrier aggregation of the high frequency signal, the intermediate frequency signal, and the low frequency signal.
  • the combiner 245 can achieve high Carrier aggregation of frequency signals and low frequency signals.
  • the combiner 245 can realize the intermediate frequency Carrier aggregation of signals and low frequency signals.
  • FIG. 11 is a schematic structural diagram of a radio frequency circuit 200.
  • 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 foregoing embodiment only takes the high frequency port, the intermediate frequency port, and the low frequency port 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, the intermediate frequency port, and the low frequency port may also include other numbers of radio frequency transmitting ports and radio frequency receiving ports, respectively. It only needs to satisfy the same number of radio frequency transmitting ports and radio frequency receiving ports included in the high frequency port, the intermediate frequency port, and the low frequency port, and is 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 RF circuit switch chip 24 includes a first switch 241, a second switch 242, a third switch 243, a switch assembly 246, and a first combiner 244 and a second combiner 245.
  • the output ends of the first switch 241 and the second switch 242 are connected to the switch assembly 246.
  • the output of the third switch 243 is coupled to the first input of the second combiner 245.
  • the first switch 241, the second switch 242, and the third switch 243 are single-pole multi-throw switches.
  • the first switch 241 includes three sub-input ports c1, c2, c3, the second switch 242 includes three sub-input ports c4, c5, c6, and the third switch 243 includes three sub-input ports 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 switch assembly 246 has three input terminals P1, P2, P3 and three output terminals Q1, Q2, Q3.
  • the input terminal P1 is connected to the output end of the switch 241.
  • Input P2 is coupled to the output of switch 242.
  • the input terminal P3 is connected to the output of the first combiner 244.
  • the output Q1 is connected to the first input of the combiner 244.
  • the output terminal Q2 is coupled to the second input of the combiner 244.
  • the output terminal Q3 is connected to the second input terminal of the second combiner 245.
  • the first combiner 244 and the second combiner 245 are both dual frequency combiners.
  • the output of the second combiner 245 is connected to the antenna 25.
  • the radio frequency circuit switch chip 24 can control the high frequency port and the intermediate frequency port of the radio frequency transceiver 21 to be connected to the first combiner 244 to implement high frequency signal and intermediate frequency signal carrier aggregation; and the radio frequency transceiver 21 can be controlled.
  • the high frequency port and the intermediate frequency port are connected to the first combiner 244, and the first combiner 244 and the low frequency port of the radio frequency transceiver 21 are connected to the second combiner 245 to implement a high frequency signal, an intermediate frequency signal, and a low frequency.
  • the carrier aggregation of the signal; the high frequency port and the low frequency port of the radio frequency transceiver 21 can be controlled to be connected to the second combiner 245 to implement high frequency signal and low frequency signal carrier aggregation; and the intermediate frequency port and low frequency of the radio frequency transceiver 21 can be controlled.
  • the port is connected to the second combiner 245 to implement carrier aggregation of the intermediate frequency signal and the low frequency signal.
  • the radio frequency circuit switch chip 24 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 100.
  • the battery 104 is mounted inside the casing 105. Battery 104 is used to provide electrical energy to electronic device 100.
  • the housing 105 is used to form an outer contour of the electronic device 100.
  • the material of the casing 105 may be plastic or metal.
  • the housing 105 can be integrally formed.
  • FIG. 12 is another schematic structural diagram of an electronic device 100 according to an embodiment of the present invention.
  • 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. 12 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
  • 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 invention 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.

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

Abstract

La présente invention concerne une puce de commutateur de circuit radiofréquence. Au moyen d'un premier commutateur, d'un deuxième commutateur et d'un troisième commutateur ayant différents états de connexion vers un premier combineur et un second combineur, la présente invention accomplit une agrégation de porteuses de signaux hautes fréquences et de signaux moyennes fréquences, une agrégation de porteuses de signaux hautes fréquences et de signaux basses fréquences, une agrégation de porteuses de signaux moyennes fréquences et de signaux basses fréquences, ou une agrégation de porteuses de signaux hautes fréquences, de signaux moyennes fréquences et de signaux basses fréquences. La présente invention concerne en outre un circuit radiofréquence, un dispositif d'antenne et un dispositif électronique.
PCT/CN2017/083839 2017-05-10 2017-05-10 Puce de commutateur de circuit radiofréquence, circuit radiofréquence, dispositif d'antenne et dispositif électronique WO2018205172A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2017/083839 WO2018205172A1 (fr) 2017-05-10 2017-05-10 Puce de commutateur de circuit radiofréquence, circuit radiofréquence, dispositif d'antenne et dispositif électronique
CN201780089415.2A CN110546889B (zh) 2017-05-10 2017-05-10 射频电路开关芯片、射频电路、天线装置及电子设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/083839 WO2018205172A1 (fr) 2017-05-10 2017-05-10 Puce de commutateur de circuit radiofréquence, circuit radiofréquence, dispositif d'antenne et dispositif électronique

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102111176A (zh) * 2011-02-25 2011-06-29 华为技术有限公司 射频模块、射频信号收发设备及方法、基站系统
CN204761429U (zh) * 2015-06-24 2015-11-11 陈林 一种终端设备
CN105162491A (zh) * 2015-09-22 2015-12-16 广东欧珀移动通信有限公司 天线及其传输射频信号的控制方法

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Publication number Priority date Publication date Assignee Title
GB2491430B (en) * 2012-03-16 2013-12-04 Renesas Mobile Corp Reconfigurable radio frequency circuits and methods of receiving
CN103780280B (zh) * 2014-02-27 2016-06-15 华为技术有限公司 射频通路
CN105322980B (zh) * 2015-02-04 2018-05-11 维沃移动通信有限公司 异频带载波聚合信号发送和接收方法及其装置
CN106229619B (zh) * 2016-08-16 2019-07-05 青岛海信移动通信技术股份有限公司 一种移动终端

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102111176A (zh) * 2011-02-25 2011-06-29 华为技术有限公司 射频模块、射频信号收发设备及方法、基站系统
CN204761429U (zh) * 2015-06-24 2015-11-11 陈林 一种终端设备
CN105162491A (zh) * 2015-09-22 2015-12-16 广东欧珀移动通信有限公司 天线及其传输射频信号的控制方法

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