A G-band terahertz monolithic integrated amplifier in 0.5-μm InP double heterojunction bipolar transistor technology
Li Ou-Peng1, †, , Zhang Yong1, Xu Rui-Min1, Cheng Wei2, Wang Yuan2, Niu Bing2, Lu Hai-Yan2
       

Schematic of the eight-stage amplifier. The electric length and characteristic impedance are calculated at 220 GHz.