Dual-loop direct VCO modulation for spread spectrum clock generation. - Christopher D. LeBlanc; Benjamin T. Voegeli; Tian Xia (CICC, 2009)

Dual-Loop System of Distributed Microregulators With High DC Accuracy, Load Response Time Below 500 ps, and 85-mV Dropout Voltage. - John F. Bulzacchelli; Zeynep Toprak Deniz; Todd M. Rasmus; Joseph A. Iadanza; William L. Bucossi; Seongwon Kim; Rafael Blanco; Carrie E. Cox; Mohak Chhabra; Christopher D. LeBlanc; Christian L. Trudeau; Daniel J. Friedman (IEEE J. Solid State Circuits, 2012)