Design and Experimental Results of a 2V-Operation Single-Chip GaAs T/R-MMIC Front-End for 1.9-GHz Personal Communications. - Kazuya Yamamoto; Takao Moriwaki; Yutaka Yoshii; Takayuki Fujii; Jun Otsuji; Yoshinobu Sasaki; Yukio Miyazaki; Kazuo Nishitani (ASP-DAC, 1998)

A 2.2-V operation, 2.4-GHz single-chip GaAs MMIC transceiver for wireless applications. - Kazuya Yamamoto; Takao Moriwaki; Takayuki Fujii; Jun Otsuji; Miyo Miyashita; Yukio Miyazaki; Kazuo Nishitani (IEEE J. Solid State Circuits, 1999)

A CDMA InGaP/GaAs-HBT MMIC Power Amplifier Module Operating With a Low Reference Voltage of 2.4 V. - Kazuya Yamamoto; Takao Moriwaki; Hiroyuki Otsuka; Nobuyuki Ogawa; Kosei Maemura; Teruyuki Shimura (IEEE J. Solid State Circuits, 2007)