Power amplifier containing matching network and matching network parameter design method thereof

The invention discloses a power amplifier containing a matching network and a matching network parameter design method thereof, and the power amplifier comprises a DC bus power supply which supplies power to a power amplifier main circuit; the auxiliary power supply supplies power to chips in the control circuit and the driving circuit; the control circuit modulates the switching frequency triangular wave of which the frequency exceeds a first preset threshold value into a pulse width modulation signal; the driving circuit is used for outputting a corresponding driving signal according to the pulse width modulation signal and driving a switching tube in a power amplifier main circuit; the power amplifier main circuit is used for driving a switching tube to be switched on and switched off based on the driving signal and outputting a square-wave voltage waveform of which the amplitude is direct-current bus voltage, the frequency is switching frequency and the duty ratio is changed; the filter circuit is used fo