A fully integrated CMOS frequency synthesizer with charge-averaging charge pump and dual-path loop filter for PCS- and cellular-CDMA wireless systems. - Yido Koo; Hyungki Huh; Yongsik Cho; Jeongwoo Lee; Joonbae Park; Kyeongho Lee; Deog-Kyoon Jeong; Wonchan Kim (IEEE J. Solid State Circuits, 2002)