Low-loss power synthesis network of power amplifier

The invention discloses a low-loss power synthesis network of a power amplifier, comprising: a power synthesis module, a power supply filter module, an impedance matching module and a stability module. The power synthesis network has the advantages of compact structure, simple design method, large power capacity, low insertion loss and higher harmonics suppression effect, and can be powered on twosides or on a single side according to the actual use conditions, which simplifies a peripheral circuit; the novel low-loss power amplifier power synthesis network can be widely applied to the designof a planar high power amplifier. 本发明公开了种低损耗功率放大器的功率合成网络，包括：功率合成模块、电源滤波模块、阻抗匹配模块和稳定性模块。本发明的功率合成网络，结构紧凑，设计方法简单，功率容量大，插入损耗低，具有高次谐波抑制作用，既可以双侧加电，也可以根据实际使用情况选择从单侧加电，简化了外围电路；本发明的新型低损耗功率放大器功率合成网络可以广泛应用于平面大功率功率放大器的设计当中。