H Hamada, T Tsutsumi, H Matsuzaki… - 2020 IEEE/MTT-S …, 2020 - ieeexplore.ieee.org
We developed a 475-GHz power amplifier (PA) by using our in-house 60-nm InP-HEMT
technology with f_T and f MAx of 320 and 700 GHz, respectively. To attain the positive gain …