Switched-loop filter for automatically frequency-calibrated phase-locked loops. - Yan Han; Dongdong Zhong; Xiaoxia Han; Xiao Liang; Weiwei Yang; Qian Zhou (Microelectron. J., 2013)

A perfectly current matched charge pump with wide dynamic range for ultra low voltage applications. - Dongdong Zhong; Yan Han; Jun Sun; Qian Zhou; Ray C. C. Cheung; Wenquan Sui (IEICE Electron. Express, 2014)