Kenichi Ohhata

A 2.3-mW, 1-GHz, 8-Bit Fully Time-Based Two-Step ADC Using a High-Linearity Dynamic VTC

Kenichi Ohhata · IEEE Journal of Solid-State Circuits · 2019 · 53 citations

Time-based Adcs, Tb Adcs, Data Converter +7

Quantum Encryption Communication Over a 192-km 2.5-Gbit/s Line With Optical Transceivers Employing Yuen-2000 Protocol Based on Intensity Modulation

Katsuyoshi Harasawa, Osamu Hirota, Kiichi Yamashita et al. · Journal of Lightwave Technology · 2010 · 48 citations

Engineering, Quantum Effect, Optical Transmission System +27

Design of a 32.7-GHz bandwidth AGC amplifier IC with wide dynamic range implemented in SiGe HBT

Kenichi Ohhata, Takatsugu Masuda, E. Ohue et al. · IEEE Journal of Solid-State Circuits · 1999 · 34 citations

32.7-Ghz Bandwidth Agc, Electrical Engineering, Sige Hbt +10

A wide-dynamic-range, high-transimpedance Si bipolar preamplifier IC for 10-Gb/s optical fiber links

Kenichi Ohhata, Takatsugu Masuda, Kazuo Imai et al. · IEEE Journal of Solid-State Circuits · 1999 · 33 citations

Photonics, Optical Materials, Engineering +12

43 Gb/s full-rate-clock 16:1 multiplexer and 1:16 demultiplexer with SFI-5 interface in SiGe BiCMOS technology

A. Koyama, Takashi Harada, Hiroyuki Yamashita et al. · 2003 · 32 citations

System On Chip, Electrical Engineering, Dmux Mcms +13