Randomized carrier PWM with exponential frequency mapping. - Alfonso Carlosena; Wing-Yee Chu; Bertan Bakkaloglu; Sayfe Kiaei (ISCAS, 2006)

Combined Linear and Δ-Modulated Switched-Mode PA Supply Modulator for Polar Transmitters. - Jennifer Kitchen; Wing-Yee Chu; Ilker Deligoz; Sayfe Kiaei; Bertan Bakkaloglu (ISSCC, 2007)

A 10MHz-Bandwidth 2mV-Ripple PA-Supply Regulator for CDMA Transmitters. - Wing-Yee Chu; Bertan Bakkaloglu; Sayfe Kiaei (ISSCC, 2008)

A 10 MHz Bandwidth, 2 mV Ripple PA Regulator for CDMA Transmitters. - Wing-Yee Chu; Bertan Bakkaloglu; Sayfe Kiaei (IEEE J. Solid State Circuits, 2008)