A 49-GHz preamplifier with a transimpedance gain of 52 dBΩ using InP HEMTs. - Hisao Shigematsu; Masaru Sato 001; Toshihide Suzuki; Tsuyoshi Takahashi; Kenji Imanishi; Naoki Hara; Hiroaki Ohnishi; Yuu Watanaba (IEEE J. Solid State Circuits, 2001)