RADIO FREQUENCY SIGNAL TRANSMISSION CIRCUIT

A radio frequency signal transmission circuit includes a direct current blocking unit, a biasing impedance circuit, and a radio frequency element. The direct current blocking unit has a first terminalfor receiving an input signal, and a second terminal coupled to a first bias voltage terminal. The biasing impedance circuit has a first terminal coupled to the first bias voltage terminal for providing a first bias voltage, and a second terminal coupled to a second bias voltage terminal for receiving a second bias voltage. The radio frequency element is coupled to the first bias voltage terminal, and receives and processes the input signal. When the biasing impedance circuit operates in a first mode, the biasing impedance circuit provides a first impedance. When the biasing impedance circuitoperates in a second mode, the biasing impedance circuit provides a second impedance greater than the first impedance. 射频信号传输电路包含直流阻隔单元、偏压阻抗电路及射频元件。直流阻隔单元的第一端接收输入信号，而直流阻隔单元的第二端耦接于第一偏压端。偏压阻抗电路耦接于第一偏压端以提供第一偏压，并耦接于第二偏压端以接收第二偏压。射