X-band inverse class-F GaN internally-matched power amplifier
Zhao Bo-Chao1, Lu Yang1, Han Wen-Zhe1, Zheng Jia-Xin2, Zhang Heng-Shuang1, Ma Pei-jun1, †, , Ma Xiao-Hua2, Hao Yue1, 2
       

Fundamental, second, and third harmonic impedance on the current source plane (a). Frequency spectrum of voltage (b1) and current (b2) on the current source plane.