A Low LO Leakage and Low Power LO Buffer for Direct-Conversion Quadrature Demodulator. - Toshiya Mitomo; Osamu Watanabe 003; Shoji Otaka; Ryuichi Fujimoto; Shunji Kawaguchi (IEICE Trans. Electron., 2005)

A Quadrature Demodulator for WCDMA Receiver Using Common-Base Input Stage with Robustness to Transmitter Leakage. - Toshiya Mitomo; Osamu Watanabe 003; Ryuichi Fujimoto; Shunji Kawaguchi (CICC, 2006)

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)