High-Efficiency Power Amplifier Using an Active Second-Harmonic Injection Technique Under Optimized Third-Harmonic Termination. - Mincheol Seo; Hwiseob Lee; Jehyeon Gu; Hyungchul Kim; Junghyun Ham; Wooyeol Choi 001; Yanghun Yun; Kenneth K. O; Youngoo Yang (IEEE Trans. Circuits Syst. II Express Briefs, 2014)

Broadband Doherty Power Amplifier Based on Asymmetric Load Matching Networks. - Jin-hee Kwon; Mincheol Seo; Hwiseob Lee; Je-hyun Gu; Junghyun Ham; Keum-Cheol Hwang; Kang-Yoon Lee; Cheon-Seok Park; Youngoo Yang (IEEE Trans. Circuits Syst. II Express Briefs, 2015)

CMOS Power Amplifier Integrated Circuit With Dual-Mode Supply Modulator for Mobile Terminals. - Junghyun Ham; Jongseok Bae; Hyungchul Kim; Mincheol Seo; Hwiseob Lee; Keum-Cheol Hwang; Kang-Yoon Lee; Cheon-Seok Park; Deukhyoun Heo; Youngoo Yang (IEEE Trans. Circuits Syst. I Regul. Pap., 2016)

Symmetric Three-Way Doherty Power Amplifier for High Efficiency and Linearity. - Hyunuk Kang; Hwiseob Lee; Hansik Oh; Wooseok Lee; Cheon-Seok Park; Keum-Cheol Hwang; Kang-Yoon Lee; Youngoo Yang (IEEE Trans. Circuits Syst. II Express Briefs, 2017)

6-18 GHz GaAs pHEMT Broadband Power Amplifier Based on Dual-Frequency Selective Impedance Matching Technique. - Hwiseob Lee; Wooseok Lee; Taewan Kim; Mohamed Helaoui; Fadhel M. Ghannouchi; Youngoo Yang (IEEE Access, 2019)

High-Efficiency Stacked Power Amplifier IC With 23% Fractional Bandwidth for Average Power Tracking Application. - Wooseok Lee; Kang-Yoon Lee; Youngoo Yang; Hyunuk Kang; Hwiseob Lee; Jongseok Bae; Sungjae Oh; Hansik Oh; Hyungmo Koo; Jangsup Yoon; Keum-Cheol Hwang (IEEE Access, 2019)

Octave Bandwidth Doherty Power Amplifier Using Multiple Resonance Circuit for the Peaking Amplifier. - Hyunuk Kang; Hwiseob Lee; Wooseok Lee; Hansik Oh; Wonseob Lim; Hyungmo Koo; Cheon-Seok Park; Keum-Cheol Hwang; Kang-Yoon Lee; Youngoo Yang (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)