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)

On the configuration- and frequency-dependent linearity characteristics of SiGe HBTs under different impedance matching conditions. - Guoxuan Qin; Guogong Wang; Ningyue Jiang; Jianguo Ma; Zhenqiang Ma (Microelectron. Reliab., 2013)