A C-band 55% PAE high gain two-stage power amplifier based on AlGaN/GaN HEMT
Zheng Jia-Xina), Ma Xiao-Hua†a), Lu Yangb), Zhao Bo-Chaob), Zhang Hong-Hea), Zhang Menga), Cao Meng-Yib), Hao Yuea),b)
       
Block diagram of the two-stage amplifier.