Frequency Selective Degeneration for 6–18 GHz GaAs pHEMT Broadband Power Amplifier Integrated Circuit

by Sungjae Oh, Eunjoo Yoo, Hansik Oh, Hyungmo Koo, Jaekyung Shin, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Published 2020-09-01

Mid-Range Wireless Power Transfer System for Various Types of Multiple Receivers Using Power Customized Resonator

by Hansik Oh, Sungjae Oh, Hyungmo Koo, Woojin Choi, Jaekyung Shin, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Published 2021-01-01

High-Efficiency Stacked Power Amplifier IC With 23% Fractional Bandwidth for Average Power Tracking Application

by Wooseok Lee, Hyunuk Kang, Hwiseob Lee, Jongseok Bae, Sungjae Oh, Hansik Oh, Hyungmo Koo, Jangsup Yoon, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Published 2019-01-01

LUT-Based Focal Beamforming System Using 2-D Adaptive Sequential Searching Algorithm for Microwave Power Transfer

by Jongseok Bae, Sang-Hwa Yi, Hyungmo Koo, Sungjae Oh, Hansik Oh, Woojin Choi, Jaekyung Shin, Chan Mi Song, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Published 2020-01-01