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 GSM/EDGE Dual-Mode, Triple-Band InGaP HBT MMIC Power Amplifier Module. - Teruyuki Shimura; Tomoyuki Asada; Satoshi Suzuki; Takeshi Miura; Jun Otsuji; Ryo Hattori; Yukio Miyazaki; Kazuya Yamamoto; Akira Inoue (IEICE Trans. Electron., 2005)