DC to 10-GHz mixer and amplifier GaAs IC's for coherent optical heterodyne receiver. - Shuichi Fujita; Yuhki Imai; Yasuro Yamane; Hiroshi Fushimi (IEEE J. Solid State Circuits, 1991)

A design technique for a high-gain, 10-GHz class-bandwidth GaAs MESFET amplifier IC module. - Noboru Ishihara; Eiichi Sano; Yuhki Imai; Hiroyuki Kikuchi; Yasuro Yamane (IEEE J. Solid State Circuits, 1992)

A limiting amplifier with low phase deviation using an AlGaAs/GaAs HBT. - Makoto Nakamura; Yuhki Imai; Eiichi Sano; Yoshiki Yamauchi; Osaake Nakajima (IEEE J. Solid State Circuits, 1992)

A design technique for a 60 GHz-bandwidth distributed baseband amplifier IC module. - Tsugumichi Shibata; Shunji Kimura; Hideaki Kimura 002; Yuhki Imai; Yohtaro Umeda; Yukio Akazawa (IEEE J. Solid State Circuits, 1994)

Direct-coupled distributed baseband amplifier IC's for 40-Gb/s optical communication. - Shunji Kimura; Yuhki Imai; Yutaka Miyamoto (IEEE J. Solid State Circuits, 1996)

Over-30-GHz limiting amplifier ICs with small phase deviation for optical communication systems. - Makoto Nakamura; Yuhki Imai; Shoji Yamahata; Yohtaro Umeda (IEEE J. Solid State Circuits, 1996)

40-Gb/s ICs for future lightwave communications systems. - Taiichi Otsuji; Yuhki Imai; Eiichi Sano; Shunji Kimura; Satoshi Yamaguchi; Mikio Yoneyama; Takatomo Enoki; Yohtaro Umeda (IEEE J. Solid State Circuits, 1997)

A distributed selector IC using GaAs MESFET's with multilayer-interconnection structure. - Koichi Murata; Taiichi Otsuji; Yuhki Imai; Suehiro Sugitani (IEEE J. Solid State Circuits, 2000)