The utility model provides a method which can improve the isolation, reduce interference, ensure two-way amplifier communication transceiver switching circuit of signal quality, including detection circuit, coupler, switch, amplifier, transmitting receiving amplifier, receiver switch, circulator and antenna, the detection circuit, switch, coupler, transmission amplifier, a circulator, the antenna is connected with the transmitting circuit, the receiving antenna, circulator, switch, receiving amplifier, switch, coupler is connected with the receiving circuit, which is characterized in that the control circuit also includes a PIN tube and PIN tube, one end of the ground, the other end is connected between the receiving switch and the circulator, the the control circuit is composed of voltage and inductance and capacitance, the work of the state of the PIN tube through the voltage control, when the applied voltage is high Level, PIN tube cut off, no influence on the receiving circuit, when the applied voltage is low, the PIN tube is turned on, and the received signal passes through the PIN tube to the ground.
【技术实现步骤摘要】
【技术保护点】
一种双向放大器收发切换电路，包括检波电路、耦合器、切换开关、发射放大器、接收放大器、接收开关、环形器和天线，所述检波电路、耦合器、切换开关、发射放大器、环形器，天线依次连接组成发射电路，所述天线、环形器、接收开关、接收放大器、切换开关、耦合器依次连接组成接收电路，其特征在于，还包括PIN管及其控制电路，所述PIN管的一端接地，另一端连接在接收开关和环形器之间，所述控制电路由外加电压及电感和电容组成，所述PIN管的工作状态通过外加电压控制。
【技术特征摘要】
【专利技术属性】
技术研发人员：姚建海，
申请(专利权)人：北京澳丰源科技发展有限公司，
类型：实用新型
国别省市：
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