山下 薫がCICC2023でOutstanding Student Paper Awardを受賞しました
A Dual-Mode 2:1 Switched Capacitor Converter with >65% Efficiency over 1000x Load Current Range and One Clock Cycle Transient Response
Yi Tan, Hiroki Ishikuro, “A Dual-Mode 2:1 Switched Capacitor Converter with >65% Efficiency over […]
In Situ Monitoring Technique of Self-Heating in Bulk MOSFETs at Cryogenic Temperatures using Subthreshold Current
Masayuki Ichikawa, Takahisa Tanaka, Ken Uchida, Tomohisa Miyao, Munehiro Tada, and Hiroki Ishikuro, ̶ […]
Enhanced Drain Current in Transient Mode due to Long Ionization Time of Shallow Impurities at 4 K in 65-nm bulk Cryo CMOS Transistors
Tomohisa Miyao, Takahisa Tanaka, Itsuki Imanishi, Masayuki Ichikawa, Shuya Nakagawa, Hiroki Ishikuro, Toshitsu […]
Robust Readout Circuit with Leakage Current Cancellation Technique for Stretchable Touch Sensors
Kaoru Yamashita, Tokihiko Shimura, Shun Sato, Naoji Matsuhisa, and Hiroki Ishikuro, “Robust Readout Circ […]
An Amp-Less Time-Domain AC Bridge for Impedance Spectroscopy with 1-bit ΔΣ DAC
Yuya Maekawa, Hiroki Ishikuro, “An Amp-Less Time-Domain AC Bridge for Impedance Spectroscopy with 1-bit […]
A Switched-Capacitor DC-DC Converter with > 77.3% Efficiency and 80 ns Active Transient Response in 40 μA – 4 mA Load Current Range
Yi Tan and Hiroki Ishikuro, “A Switched-Capacitor DC-DC Converter with > 77.3% Efficiency and 80 ns Active Tra […]
A Fast Wake-Up and High Accuracy Sensor Interface by Synchronous Sampling with Power-Efficient Switching Regulator
Yuya Fuketa, Kohei Tatehora, Yohsuke Shiiki, Shuya Nakagawa, and Hiroki Ishikuro, “A Fast Wake-Up and High Acc […]
An up to 35dBc/Hz Phase Noise Improving Design Methodology for Differential-Ring-Oscillators Applied in Ultra-Low Power Systems
Peter Toth and Hiroki Ishikuro, “An up to 35dBc/Hz Phase Noise Improving Design Methodology for Differential-R […]
Gate Voltage Optimization in Capacitive DC-DC Converters for Thermoelectric Energy Harvesting
Yi Tan, Yohsuke Shiiki, and Hiroki Ishikuro, “Gate Voltage Optimization in Capacitive DC-DC Converters for The […]