A low-power low-noise accurate linear-in-dB variable-gain amplifier with 500-MHz bandwidth. - Shoji Otaka; Gaku Takemura; Hiroshi Tanimoto (IEEE J. Solid State Circuits, 2000)

A single-chip 8-band CMOS transceiver for W-CDMA(HSPA) / GSM(GPRS) / EDGE with digital interface. - Hiroshi Yoshida; Takehiko Toyoda; T. Yasuda; Yosuke Ogasawara; M. Ishii; T. Murasaki; Gaku Takemura; Masaomi Iwanaga; T. Takida; Yuta Araki; T. Hashimoto; K. Sami; et al. (ESSCIRC, 2008)

A Low-Noise Amplifier for WCDMA Terminal with High Tolerance for Leakage Signal from Transmitter. - Ryuichi Fujimoto; Gaku Takemura; Masato Ishii; Takehiko Toyoda; Hiroshi Tsurumi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Design of a High Performance 2-GHz Direct-Conversion Front-End With a Single-Ended RF Input in 0.13 µm CMOS. - Yiping Feng; Gaku Takemura; Shunji Kawaguchi; Peter R. Kinget (IEEE J. Solid State Circuits, 2009)

A fully integrated 2×1 dual-band direct-conversion transceiver with dual-mode fractional divider and noise-shaping TIA for mobile WiMAX SoC in 65nm CMOS. - Jun Deguchi; Daisuke Miyashita; Yosuke Ogasawara; Gaku Takemura; Masaomi Iwanaga; Kenichi Sami; Rui Ito; Junji Wadatsumi; Yuki Tsuda; Shoko Oda; Shunji Kawaguchi; Nobuyuki Itoh; et al. (ISSCC, 2010)

A low-power low-noise direct-conversion front-end with digitally assisted IIP2 background self calibration. - Yiping Feng; Gaku Takemura; Shunji Kawaguchi; Nobuyuki Itoh; Peter R. Kinget (ISSCC, 2010)

A Fully Integrated 2 ˟ 1 Dual-Band Direct-Conversion Mobile WiMAX Transceiver With Dual-Mode Fractional Divider and Noise-Shaping Transimpedance Amplifier in 65 nm CMOS. - Jun Deguchi; Daisuke Miyashita; Yosuke Ogasawara; Gaku Takemura; Masaomi Iwanaga; Kenichi Sami; Rui Ito; Junji Wadatsumi; Yuki Tsuda; Shoko Oda; Shunji Kawaguchi; Nobuyuki Itoh; et al. (IEEE J. Solid State Circuits, 2010)

Digitally Assisted IIP2 Calibration for CMOS Direct-Conversion Receivers. - Yiping Feng; Gaku Takemura; Shunji Kawaguchi; Nobuyuki Itoh; Peter R. Kinget (IEEE J. Solid State Circuits, 2011)