A 0.35 µm CMOS divide-by-2 quadrature injection-locked frequency divider based on voltage-current feedback topology. - Sheng-Lyang Jang; Cheng-Chen Liu; Ren-Kai Yang; Chih-Chieh Shih; Chia-Wei Chang; Hsiu-An Yeh (Microelectron. Reliab., 2010)