High-Gain Waveguide-Fed Circularly Polarized Spidron Fractal Aperture Antenna

by Son Trinh-Van, Thuy Nguyen Thi, Youngoo Yang, Kang-Yoon Lee, Kyung-Young Jung, Keum Cheol Hwang
Published 2019-02-01

5.8 GHz High-Efficiency RF–DC Converter Based on Common-Ground Multiple-Stack Structure

by Jongseok Bae, Sang-Hwa Yi, Woojin Choi, Hyungmo Koo, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Published 2019-07-01

3D-Printed Super-Wideband Spidron Fractal Cube Antenna with Laminated Copper

by Oh Heon Kwon, Won Bin Park, Sungwoo Lee, Jong Min Lee, Young Mi Park, Keum Cheol Hwang
Published 2017-09-01

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

Scaled GaN-HEMT Large-Signal Model Based on EM Simulation

by Wooseok Lee, Hyunuk Kang, Seokgyu Choi, Sangmin Lee, Hosang Kwon, Keum cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Published 2020-04-01

Design and Characterization of VHF Band Small Antenna Using CRLH Transmission Line and Non-Foster Matching Circuit

by Soyeong Lee, Jonghyup Lee, Seongro Choi, Yong-Hyeok Lee, Jae-Young Chung, Keum Cheol Hwang, Yong Bae Park
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

2.4 GHz GaN HEMT Class-F Synchronous Rectifier Using an Independent Second Harmonic Tuning Circuit

by Jongyun Na, Sang-Hwa Yi, Jaekyung Shin, Hyungmo Koo, Jongseok Bae, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Published 2021-02-01

A Low-Profile High-Gain and Wideband Log-Periodic Meandered Dipole Array Antenna with a Cascaded Multi-Section Artificial Magnetic Conductor Structure

by Son Trinh-Van, Oh Heon Kwon, Euntae Jung, Jinwoo Park, Byunggil Yu, Kichul Kim, Jongwoo Seo, Keum Cheol Hwang
Published 2019-10-01

Analysis of Received Power in RF Wireless Power Transfer System With Array Antennas

by Chan Mi Song, Son Trinh-Van, Sang-Hwa Yi, Jongseok Bae, Youngoo Yang, Kang-Yoon Lee, Keum Cheol Hwang
Published 2021-01-01

A Low-Profile Ferrite Dipole VHF Antenna for Integrated Mast Applications

by Won Bin Park, Son Trinh-Van, Youngoo Yang, Kang-Yoon Lee, Byunggil Yu, Jinwoo Park, Hojeong You, Keum Cheol Hwang
Published 2020-03-01

40 dB-Isolation, 1.85 dB-Insertion Loss Full CMOS SPDT Switch with Body-Floating Technique and Ultra-Small Active Matching Network Using On-Chip Solenoid Inductor for BLE Applicati...

by Truong Thi Kim Nga, DongSoo Lee, SungJin Kim, Minjae Lee, KeumCheol Hwang, Youngoo Yang, Kang-Yoon Lee
Published 2018-11-01

Shape Optimization of an Integrated Mast for RCS Reduction of a Stealth Naval Vessel

by Hokeun Shin, Daeyeong Yoon, Chanyeong Kim, Young Sub Yang, Man Gyu Lee, Joon Young Park, Keum Cheol Hwang, Yong Bae Park
Published 2021-03-01

A High Noise Immunity, 28 × 16-Channel Finger Touch Sensing IC Using OFDM and Frequency Translation Technique

by SangYun Kim, Behnam Samadpoor Rikan, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
Published 2018-05-01

A Design of Low-Power 10-bit 1-MS/s Asynchronous SAR ADC for DSRC Application

by Deeksha Verma, Khuram Shehzad, Danial Khan, Sung Jin Kim, Young Gun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
Published 2020-07-01

A Fully Integrated Bluetooth Low-Energy Transceiver with Integrated Single Pole Double Throw and Power Management Unit for IoT Sensors

by Sung Jin Kim, Dong Gyu Kim, Seong Jin Oh, Dong Soo Lee, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, Kang Yoon Lee
Published 2019-05-01

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

An Efficient Reconfigurable RF-DC Converter With Wide Input Power Range for RF Energy Harvesting

by Danial Khan, Seong Jin Oh, Khuram Shehzad, Muhammad Basim, Deeksha Verma, Young Gun Pu, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
Published 2020-01-01

Design of a Low Power 10-b 8-MS/s Asynchronous SAR ADC with On-Chip Reference Voltage Generator

by Khuram Shehzad, Deeksha Verma, Danial Khan, Qurat Ul Ain, Muhammad Basim, Sung Jin Kim, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
Published 2020-05-01

A 10- and 12-Bit Multi-Channel Hybrid Type Successive Approximation Register Analog-to-Digital Converter for Wireless Power Transfer System

by Behnam Samadpoor Rikan, Sang-Yun Kim, Hamed Abbasizadeh, Arash Hejazi, Reza E. Rad, Khuram Shehzad, Keum Cheol Hwang, Youngoo Yang, Minjae Lee, Kang-Yoon Lee
Published 2018-10-01