Power amplifier driver for SDR transmitter with high gain tuning range and dynamic power control. - Yilei Li; Kefeng Han; Na Yan; Xi Tan 001; Hao Min (ASICON, 2011)

A triple-band flexible low-noise transmitter with linearity enhancement. - Yilei Li; Chuansheng Dong; Kefeng Han; Cheng Zhang; Yongchang Yu; Xi Tan 001; Na Yan; Hao Min (ISCAS, 2012)

A Multi-Band Low-Noise Transmitter With Digital Carrier Leakage Suppression and Linearity Enhancement. - Yilei Li; Kefeng Han; Chuansheng Dong; Cheng Zhang; Yongchang Yu; Xi Tan 001; Na Yan; Qiang Chen; Hao Min (IEEE Trans. Circuits Syst. I Regul. Pap., 2013)

A novel efficiency-enhancement topology: GaN high-electron mobility transistors with waveform-modulation structure composed of Schottky diodes. - Kefeng Han (Int. J. Circuit Theory Appl., 2018)

An Open-loop Digitally Controlled Supply Modulator for Wideband Envelope Tracking. - Zeqiang Chen; Li Dong 007; Kefeng Han; Zhuoqi Guo; Zhongming Xue; Xingzhi Liu; Zheng Ke; Li Geng (IECON, 2020)

An Open Loop Digitally Controlled Hybrid Supply Modulator Achieving High Efficiency for Envelope Tracking With Baseband up to 200-MHz. - Zeqiang Chen; Qin Xia; Li Dong 007; Shiquan Fan; Kefeng Han; Zhuoqi Guo; Zhongming Xue; Li Geng (IEEE Trans. Circuits Syst., 2020)

A 26-30GHz Digitally-Controlled Variable Gain Power Amplifier with Phase Compensation and Third Order Nonlinearity Cancellation Technique. - Haoqi Qin; Junjie Gu; Hao Xu 005; Weitian Liu; Kefeng Han; Rui Yin; Zongming Duan; Hao Gao 001; Na Yan (A-SSCC, 2023)

Simplifying the design of harmonic-suppressing power amplifiers adopting capacitance-splitting method. - Kefeng Han; Li Geng (Int. J. Circuit Theory Appl., 2023)