Design of Highly Efficient Wideband RF Polar Transmitters Using the Envelope-Tracking Technique. - Jerry Lopez; Yan Li 008; Jeremy D. Popp; Donald Y. C. Lie; Chia-Chang Chuang; Kevin Chen 003; Stanley Wu; Tzu-Yin Yang; Gin-Kou Ma (IEEE J. Solid State Circuits, 2009)

Highly Efficient Monolithic Class E SiGe Power Amplifier Design at 900 and 2400 MHz. - Donald Y. C. Lie; Jerry Lopez; Jeremy D. Popp; Jason F. Rowland; Guogong Wang; Guoxuan Qin; Zhenqiang Ma (IEEE Trans. Circuits Syst. I Regul. Pap., 2009)