A wide-range all-digital duty-cycle corrector with output clock phase alignment in 65nm CMOS technology. - Ching-Che Chung; Duo Sheng; Sung-En Shen (IEICE Electron. Express, 2011)

Built-in Self-Calibration Circuit for Monotonic Digitally Controlled Oscillator Design in 65-nm CMOS Technology. - Ching-Che Chung; Chiun-Yao Ko; Sung-En Shen (IEEE Trans. Circuits Syst. II Express Briefs, 2011)

High-Resolution All-Digital Duty-Cycle Corrector in 65-nm CMOS Technology. - Ching-Che Chung; Duo Sheng; Sung-En Shen (IEEE Trans. Very Large Scale Integr. Syst., 2014)