Kenta Sogo

A ring-VCO-based sub-sampling PLL CMOS circuit with −119 dBc/Hz phase noise and 0.73 ps jitter

Takamaro Kikkawa, Kenta Sogo, Akihiro Toya, 2012, 2012 Proceedings of the ESSCIRC (ESSCIRC).

A ring-VCO-based sub-sampling PLL CMOS circuit with 0.73 ps jitter and 20.4 mW power consumption

Takamaro Kikkawa, Kenta Sogo, Akihiro Toya, 2013, 2013 18th Asia and South Pacific Design Automation Conference (ASP-DAC).

CMOS equivalent time sampling of Gaussian monocycle pulse for confocal imaging

Takamaro Kikkawa, T. Sugitani, Kenta Sogo, 2014, 2014 IEEE Biomedical Circuits and Systems Conference (BioCAS) Proceedings.

A 17 GHz bandwidth 1.2 mW CMOS switching matrix for UWB breast cancer imaging

Xia Xiao, Takamaro Kikkawa, Kenta Sogo, 2014, 2014 IEEE Biomedical Circuits and Systems Conference (BioCAS) Proceedings.

Complex permittivities of breast tumor tissues obtained from cancer surgeries

Takamaro Kikkawa, Michihiro Hide, S. Kubota, 2014 .

125 mW 102.4 GS/s Ultra-High-Speed Sampling Circuit for Complementary Metal–Oxide–Semiconductor Breast Cancer Detection System

Takamaro Kikkawa, Kenta Sogo, Akihiro Toya, 2013 .