Transceiver with inductive coupling for wireless chip-to-chip communication using a 50-nm digital CMOS process. - Changhyun Lee; Jonghoon Park; Jinho Yoo; Hyungjun Cho; Jungi Choi; Jeongho Cho; Changkun Park (Microelectron. J., 2013)

Study of stability problems due to undesired coupling of a RF power amplifier using a distributed active transformer. - Jonghoon Park; Changhyun Lee; Changkun Park (Microelectron. J., 2015)

Cost-effective 97%-efficiency charge-pump voltage balancer for multi-level PWM photovoltaic micro-inverter. - Mohana Sundar; Jeong-Hyun Park; Changkun Park; Joung-Hu Park (IEICE Electron. Express, 2017)

Cell-Based ESD Diodes with a Zigzag-Shaped Layout to Enhance the ESD Survival Level. - Minoh Son; Changkun Park (J. Circuits Syst. Comput., 2017)

A CMOS power amplifier using an active balun as a driver stage to enhance its gain. - Yonghun Sim; Jonghoon Park; Jinho Yoo; Changhyun Lee; Changkun Park (Microelectron. J., 2017)

A Quad-Band CMOS Linear Power Amplifier for EDGE Applications Using an Anti-Phase Method to Enhance its Linearity. - Jonghoon Park; Changhyun Lee; Changkun Park (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

Transceiver for Wireless Power Transfer Using a Cross-Coupled Oscillator for a Wireless On-Wafer Test. - Milim Lee; Changhyun Lee; Changkun Park (IEEE Trans. Instrum. Meas., 2017)

A 2.4-GHz VCO using a symmetric layout technique to minimize mismatches in differential signals. - Milim Lee; Changkun Park (ICOIN, 2018)

Wireless Transceiver for Three-Dimensional Integrated Circuits Using a Ring Oscillator. - Dongwoo Moon; Milim Lee; Changhyun Lee; Joung-Hu Park; Changkun Park (J. Circuits Syst. Comput., 2020)

Design of CMOS-Based Unit Channel of Beamforming Transceivers for FACS Applications. - Seongjin Jang 001; Hui Dong Lee; Bonghyuk Park; Seunghyun Jang; Sunwoo Kong; Changkun Park (IEEE Access, 2023)

A Ka-Band 3-Bit GaN Digital Step Attenuator Using Phase Compensation Method. - Seonhye Jang; Junhyuk Yang; Jaeyong Lee 005; Changkun Park (IEEE Access, 2023)

Ka-Band CMOS Stacked-FET Power Amplifier With Pre-Distorted Driver Stage for 5G Applications. - Seonhye Jang; Hyunsoo Kim; Changkun Park (IEEE Access, 2024)

Design of K-Band CMOS Extended Cascode Power Amplifier With Second Harmonic Termination to Enhance Output Power. - Hayeon Jeong; Changkun Park (IEEE Access, 2024)

Ka-Band CMOS Power Amplifier Using Stacked Structure With Cascode-Like Operation. - Taehun Kim; Hayeon Jeong; Seongjin Jang 001; Jaeyong Lee 005; Changkun Park (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

Ka-Band Three-Stacked CMOS Power Amplifier With LC Shunt-Feedback to Enhance Gain and Stability. - Taehun Kim; Changkun Park (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

Asymmetric SOI CMOS Switch With Series and Parallel Resonators to Enhance Isolation. - Jaehyun Kwon; Jaeyong Lee 005; Taehun Kim; Donghwan Seo; Jinho Yoo; Jaeheon Cho; Changkun Park (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

2.4-GHz CMOS Power Amplifier With Common-Mode Self-Rejection Technique to Suppress Even Harmonics. - Donghwan Seo; Jaeyong Lee 005; Jinho Yoo; Seongjin Jang 001; Changkun Park (IEEE Access, 2025)

Ka-Band CMOS Variable-Gain Amplifier Using Capacitive Compensation Technique to Suppress Phase Error. - Dongin Min; Changkun Park (IEEE Trans. Circuits Syst. II Express Briefs, 2025)

Design of Compact Size CMOS VCO Using Dual-Primary Transformer With Dual-Core for Wide Tuning-Range. - Joonseok Park; Jaeyong Lee 005; Changkun Park (IEEE Trans. Circuits Syst. II Express Briefs, 2025)