Professor Lee received the B.S., M.S., and Ph.D. degrees in electrical engineering from the Korea Advanced Institute of Science and Technology, Daejeon, South Korea, in 2000, 2002, and 2007, respectively. From 2007 to 2009, he was with the Microwaves Applications Group, Georgia Institute of Technology, Atlanta, GA, USA, where he developed complementary metal oxide semiconductor (CMOS) power amplifiers for mobile communications. In 2009, he joined Skyworks Solutions Inc., Cedar Rapids, IA, USA, where he was involved in the design of power amplifiers and front-end modules for cellular handsets. In 2010, he joined Hanbat National University, Daejeon, South Korea, as a faculty member. His research interests include RF power amplifiers, microwave modules, ultrasonic applications, and radar systems.

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E-mail dhlee@hanbat.ac.kr
Address Room 306, N4 Building, Hanbat National University
Tel 042-821-1748

Gwanghyeon Jeong received the B.S., M.S., and Ph.D. degrees in electrical engineering from the Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea, in 2012, 2014, and 2018, respectively. From 2018 to 2021, he was a Researcher with the Agency for Defense Development (ADD). He served as an Assistant Professor at Hannam University from March 2021 to February 2024, and continued his academic career as an Assistant Professor at Hanbat National University from March 2024 to February 2026. Since March 2026, he has been an Associate Professor in the Department of Semiconductor System Engineering at Hanbat National University. His research interests are RF circuits and systems for future wireless communications. 

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E-mail gh.jeong@hanbat.ac.kr
Address Room 204-3, N8 Building, Hanbat National University
Tel 042-828-8823

Jaehun Lee received the B.S., M.S., and Ph.D. degrees in electrical engineering from the Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea, in 2011, 2013, and 2023, respectively. From 2013 to 2026, he was with Samsung Electronics, Hwaseong, South Korea, where he was involved in the development of connectivity and cellular RFICs for mobile handset applications. He led the TRx1 part in the Samsung System LSI (S.LSI) Business, focusing on CMOS RF circuit design for cellular (2G GSM/EDGE, 3G WCDMA, 4G LTE/LTE-A, and 5G NR) and connectivity (802.11 WLAN, Bluethooth) RFICs. He has extensive experience in the commercialization of RFICs for mobile devices. Since 2026, he has been an Assistant Professor with the Department of Semiconductor Systems Engineering, Hanbat National University, Daejeon, South Korea. His current research interests include GaAs- and GaN-based MMICs for 6G wireless communications and next-generation satellite payloads, and CMOS RF transceivers for wireless communications and millimeter-wave integrated circuits.

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E-mail jh.lee@hanbat.ac.kr
Address Room 204-4, N8 Building, Hanbat National University
Tel 042-828-8826