Broadband hybrid EF type power amplifier based on capacitance compensation structure and design method

The invention discloses a broadband hybrid EF type power amplifier based on a capacitance compensation structure and a design method. The broadband hybrid EF type power amplifier comprises an input matching network, a transistor, a harmonic control network, a drain broadband compensation circuit and a fundamental wave matching network, wherein an input end of the input matching network accesses apower signal, an output end of the input matching network is connected with a grid electrode of the transistor, a drain broadband compensation circuit is connected in parallel between a drain electrode and a source electrode of the transistor, the drain broadband compensation circuit is used for compensating required output capacitance according to a power signal, the drain electrode of the transistor is connected with an input end of the harmonic control network, an output end of the harmonic control network is connected with an input end of the fundamental wave matching network, and an output end of the fundamental