Peter Toth and Hiroki Ishikuro, “An 18 Bit Time-to-Digital Converter Design with Large Dynamic Range and Automated Multi-Cycle Concept,” 26th Asia and South Pacific Design Automation Conference (ASP-DAC), pp. 105-106, Jan., 2021.
Yuya Maekawa, Syuya Nakagawa, and Hiroki Ishikuro, “A Highly Linear Amp-Less Interface Circuit for Capacitive Sensors with ΔΣ C-DAC,” 2020 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Dec., 2020
Shuya Nakagawa, Takumi Miyazaki, and Hiroki Ishikuro, “A High-Resolution Oscillator Based Resistance-to-Digital Converter with Non-Linearity Canceling Feedback by ΔΣ Modulated Variable Resistor,” 2020 IEEE International Symposium on Circuits and Systems (ISCAS), Oct., 2020
K. Tatehora, Y. Shiiki, S. Nakagawa, T. Tanaka, K. Uchida, and H. Ishikuro, “A Wide Range and High Accuracy Sensor Interface with Switching Regulator for Coin-Cell Powered Tiny Wireless Sensor Node,” 2020 IEEE International Symposium on Circuits and Systems (ISCAS), Oct., 2020
Yi Tan, Yohsuke Shiiki, and Hiroki Ishikuro, “A 0.12V Fully Integrated Charge Pump with Gate Voltage Optimization for Energy Harvesting Applications,” 2020 IEEE International Symposium on Circuits and Systems (ISCAS), Oct., 2020
Yi Tan and Hiroki Ishikuro, “A Discrete-Time Model for Frequency Modulated Charge Pumps with Synchronized Controller,” 2020 IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS), Aug., 2020
Peter Toth and Hiroki Ishikuro, “A Wide Input-Range, Low-Power and Highly Flexible 18 Bit Time-to-Digital Converter with Compact Differential Circuit Topology,” 2020 IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS), Aug., 2020
Tatsuya Ishikawa, Chia-Wei Pai, and Hiroki Ishikuro, “A Linearity Testing of Cascaded Analog Mixed-Signal Blocks Using SEIR Method,” 2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), May, 2020
Shuya Nakagawa, Takumi Miyazaki, and Hiroki Ishikuro, “A Digital-to-Resistance Converter with an Automatic Offset Calibration Method for Evaluating Dynamic Performance of Resistive Sensor Readout Circuits,” 2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), May, 2020
Takumi Miyazaki, Shuya Nakagawa, and Hiroki Ishikuro, “High-Resolution Auto-Balancing Wheatstone-Bridge with Successive Approximation of ΔΣ-Modulated Digitally Controlled Variable Resistor,” 2019 26th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Nov., 2019
