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
Peter Toth and Hiroki Ishikuro, “A Differential-Ring-Oscillator with up to 35 dBc/Hz Phase Noise Improving Amplitude Feedback Loop for Ultra Low Power Systems,” 2019 26th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Nov., 2019
Yohsuke Shiiki and Hiroki Ishikuro, “A High Accuracy Opamp-less Interface Circuit for 2-D Cross-Point Resistive Sensor Array with Switch Resistance Calibration,” 2019 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Nov., 2019
T. Tanaka, K. Tabuchi, K. Tatehora, Y. Shiiki, S. Nakagawa, T. Takahashi, R. Shimizu, H. Ishikuro, T. Kuroda, T. Yanagida, and K. Uchida,” Low-Power and ppm-Level Detection of Gas Molecules by Integrated Metal Nanosheets,” 2019 Symposium on VLSI Circuits, June, 2019
Yohsuke Shiiki, Hiroki Ishikuro, “Interface with Opamp Output-Impedance Calibration Technique for a Large Integrated 2-D Resistive Sensor Array,” 2019 IEEE International Symposium on Circuits and Systems (ISCAS), May 2019
