A VCO-based phase-expanding conversion designed for time-domain data converters. - Shao-Ku Kao; Yi-Fu Tang; Hsiang-Chi Cheng (Microelectron. J., 2014)

Pulsewidth control loop with a frequency detector for wide frequency range operation. - Shao-Ku Kao; Hsiang-Chi Cheng; Yong-De You (Microelectron. J., 2015)

All-digital controlled boost DC-DC converter with all-digital DLL-based calibration. - Shao-Ku Kao; Jen-Hou Wu; Hsiang-Chi Cheng (Microelectron. J., 2015)

A self-calibrated delay-locked loop with low static phase error. - Shao-Ku Kao; Hsiang-Chi Cheng; Jian-Da Lin (Int. J. Circuit Theory Appl., 2016)

An all-digital DLL with duty-cycle correction using reusable TDC. - Shao-Ku Kao; Yi-Hsien Hsieh; Hsiang-Chi Cheng (Int. J. Circuit Theory Appl., 2016)

Output capacitor-free low-dropout regulator with fast transient response and ultra small compensation capacitor. - Shao-Ku Kao; Yu-Zhang Lee; Chun-Yu Ku; Hsiang-Chi Cheng (Microelectron. J., 2016)

A 13.56 MHz CMOS High-Efficiency Active Rectifier With Dynamically Controllable Comparator for Biomedical Wireless Power Transfer Systems. - Hsiang-Chi Cheng; Cihun-Siyong Alex Gong; Shao-Ku Kao (IEEE Access, 2018)

A programmbale 8-channel multiphase clock generator with 360 phases for focus ultrasound applications. - Hsiang-Chi Cheng; Shih-Hung Cheng; Shao-Ku Kao (Microelectron. J., 2019)

A VCO-Based Readout ADC for Quasi-Static Sensing Applications in 3-µm Low-Temperature Poly-Silicon Thin-Film Transistor Technology. - Chia-Hsiang Chang; Pang-Cheng Chen; Hsiang-Chi Cheng; Chung-Hung Chen; Chun-Yen Lin; Chih-Ting Lin; Tsung-Hsien Lin (ISCAS, 2024)