5 Gbps BPSK CMOS transmitter with on-chip antenna using Gaussian monocycle pulses. - Shinichi Kubota; Nobuo Sasaki; Mohiuddin Hafiz; Akihiro Toya; Takamaro Kikkawa (CICC, 2011)

A ring-VCO-based sub-sampling PLL CMOS circuit with -119 dBc/Hz phase noise and 0.73 ps jitter. - Kenta Sogo; Akihiro Toya; Takamaro Kikkawa (ESSCIRC, 2012)

A ring-VCO-based sub-sampling PLL CMOS circuit with 0.73 ps jitter and 20.4 mW power consumption. - Kenta Sogo; Akihiro Toya; Takamaro Kikkawa (ASP-DAC, 2013)

CMOS equivalent time sampling of Gaussian monocycle pulse for confocal imaging. - Y. Seo; Kenta Sogo; Akihiro Toya; Takumi Sugitani; Afreen Azhari; X. Xiao; Takamaro Kikkawa (BioCAS, 2014)

A Radar-Based Breast Cancer Detection System Using CMOS Integrated Circuits. - Hang Song 001; Hayato Kono; Yuji Seo; Afreen Azhari; Junichi Somei; Eiji Suematsu; Yuichi Watarai; Toshihiko Ota; Hiromasa Watanabe; Yoshinori Hiramatsu; Akihiro Toya; Xia Xiao; et al. (IEEE Access, 2015)

A Low-Noise Dynamic Comparator for Low-Power ADCs. - Yoshihiro Masui; Kotaro Wada; Akihiro Toya; Masaki Tanioka (IEICE Trans. Electron., 2016)

Differential equivalent time sampling receiver for breast cancer detection. - Yoshihiro Masui; Akihiro Toya; Mitsutoshi Sugawara; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Atsushi Iwata; Takamaro Kikkawa (BioCAS, 2017)

Investigation of phase noise and jitter in CMOS sampling clock generation circuits for time-domain breast cancer detection system. - Akihiro Toya; Yoshihiro Masui; Mitsutoshi Sugawara; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Atsushi Iwata; Takamaro Kikkawa (BioCAS, 2017)

Gaussian Monocycle Pulse Generator with Calibration Circuit for Breast Cancer Detection. - Yoshihiro Masui; Akihiro Toya; Mitsutoshi Sugawara; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Atsushi Iwata; Takamaro Kikkawa (BioCAS, 2018)

Shifting Clock Jitter and Phase Interval for Impulse-Radar-Based Breast Cancer Detection. - Akihiro Toya; Takamaro Kikkawa; Yoshihiro Masui; Mitsutoshi Sugawara; Hiroyuki Ito; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Toshifumi Imamura; Atsushi Iwata (BioCAS, 2019)

CMOS Gaussian Monocycle Pulse Transceiver for Radar-Based Microwave Imaging. - Takamaro Kikkawa; Yoshihiro Masui; Akihiro Toya; Hiroyuki Ito; Takuichi Hirano; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Toshifumi Imamura; Tsuyoshi Matsumaru; Michimasa Yamaguchi; Mitsutoshi Sugawara; et al. (IEEE Trans. Biomed. Circuits Syst., 2020)