A 2.7W AC-coupled hybrid supply modulator achieving 200MHz envelope-tracking bandwidth for 5G new radio power amplifier. - Peng Xu 014; Xueli Zhang; Peng Cao; Tingting Wei; Zhiguo Tong; Jiawei Xu 001; Zhiliang Hong (A-SSCC, 2021)

A Charge-Pump-Based SIMO Buck-Boost DC-DC Converter with Three Operation Modes. - Zhiguo Tong; Peng Cao; Peng Xu 014; Dehong Lv; Danzhu Lu; Jie He 003; Zhiliang Hong (ISCAS, 2021)

A 200MHz Bandwidth 84% Peak Efficiency AC-Coupled Envelope Tracking Supply Modulator with 10MHz Constant Switching Frequency. - Peng Xu 014; Xueli Zhang; Tao Wang 148; Peng Cao; Jiawei Xu 001; Zhiliang Hong (A-SSCC, 2023)

A 0.15-μs/V Buck-Boost Symbol-Power-Tracking Supply Modulator With Dual Auxiliary Current Paths and EPP Scheme for 5G NR Power Amplifiers. - Peng Xu 014; Jin Kang; Zhiguo Tong; Peng Cao; Yingjie Wang; Hanyu Shi 006; Jiawei Xu 001; Zhiliang Hong (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)

A Fully Integrated Digital Polar Transmitter With Single-Ended Doherty PA and DLL-Based Three-Segment Hybrid DTC in 28 nm CMOS. - Tao Wang 148; Jieyang Li; Di Hua; Liangbo Lei; Peng Cao; Peng Xu 014; Jiawei Xu 001; Zhiliang Hong (IEEE J. Solid State Circuits, 2024)