阅读说明：本技术 一种可变增益放大器及相控阵收发机 (Variable gain amplifier and phased array transceiver ) 是由 崔科技 王永利 卢磊 于 2019-03-30 设计创作，主要内容包括：一种可变增益放大器及相控阵收发机,用以使得可变增益放大器切换增益时可以保持相位恒定,且增益步进随频率稳定。可变增益放大器包括：放大电路,用于放大输入信号；控制电路,用于通过调节放大电路的输出电流,控制放大电路的增益；感性负载和感性调节电路,感性负载与放大电路的信号输出端相耦合,感性调节电路与感性负载互感耦合,感性调节电路可调。(A variable gain amplifier and a phased array transceiver are provided to keep the phase constant when the variable gain amplifier switches the gain and the gain step is stable with the frequency. The variable gain amplifier includes: an amplifying circuit for amplifying an input signal; the control circuit is used for controlling the gain of the amplifying circuit by adjusting the output current of the amplifying circuit; the inductive load is coupled with the signal output end of the amplifying circuit, the inductive adjusting circuit is coupled with the inductive load in a mutual inductance mode, and the inductive adjusting circuit is adjustable.)