CN113228521A - 一种收发分离电路、收发机以及无线通信设备 - Google Patents

一种收发分离电路、收发机以及无线通信设备 Download PDF

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CN113228521A
CN113228521A CN201880100485.8A CN201880100485A CN113228521A CN 113228521 A CN113228521 A CN 113228521A CN 201880100485 A CN201880100485 A CN 201880100485A CN 113228521 A CN113228521 A CN 113228521A
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circuit
switch
balanced
impedance
antenna
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CN113228521B (zh
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孙捷
曾志雄
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers

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

Abstract

一种收发分离电路、收发机以及无线通信设备，所述收发分离电路包括：发射放大电路、阻抗调整电路以及接收放大电路，发射放大电路的输出端与阻抗调整电路的第一端连接，阻抗调整电路的第二端与接收放大电路的输入端连接，阻抗调整电路的第二端以及接收放大电路的输入端还用于连接天线；发射放大电路用于放大待通过天线发射的第一信号；接收放大电路用于放大通过天线接收到的第二信号，且当天线发射放大后的第一信号时，第一阻抗处于高阻抗状态，第一阻抗为从接收放大电路的输入端口看进去的阻抗；阻抗调整电路用于在天线接收所述第二信号时，将第二阻抗调整到高阻抗状态，第二阻抗为从阻抗调整电路的第二端看进去的阻抗。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN201880100485.8A 2018-12-28 2018-12-28 一种收发分离电路、收发机以及无线通信设备 Active CN113228521B (zh)

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PCT/CN2018/125100 WO2020133287A1 (zh) 2018-12-28 2018-12-28 一种收发分离电路、收发机以及无线通信设备

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EP (1) EP3893402A4 (zh)
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WO (1) WO2020133287A1 (zh)

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US11032054B2 (en) * 2018-10-18 2021-06-08 Andrew Wireless Systems Gmbh Sequenced transmit muting for wideband power amplifiers

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EP3893402A1 (en) 2021-10-13
US20210328619A1 (en) 2021-10-21
EP3893402A4 (en) 2021-12-22
CN113228521B (zh) 2022-07-29
US11888510B2 (en) 2024-01-30
WO2020133287A1 (zh) 2020-07-02

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