Novel hexaband folded meander-patch antenna for wireless USB dongles. - Seong Jae Jeong; Keum-Cheol Hwang (IEICE Electron. Express, 2010)

Circular hook-shaped wireless USB dongle antenna with an open stub. - Seong Jae Jeong; Keum-Cheol Hwang (IEICE Electron. Express, 2010)

Meandered UC-EBG structure for a reduction of the mutual coupling in a patch antenna array. - Son Trinh-Van; Keum-Cheol Hwang (IEICE Electron. Express, 2012)

Ultra-Wideband Folded Monopole Antenna for WiBro/WLAN/WiMAX/UWB Wireless USB Dongles. - Jin-Hyuk Kim; Keum-Cheol Hwang; Hyeong-Seok Kim (IEICE Trans. Commun., 2012)

Uniplanar EBG structure based on a modified Spidron fractal and meander-line configuration. - Son Trinh-Van; Gina Kwon; Keum-Cheol Hwang; Yong Bae Park (IEICE Electron. Express, 2013)

GA-Enhanced Thin Square Array with Cyclic Difference Sets. - Gina Kwon; Keum-Cheol Hwang; Joon-Young Park; Seon-Joo Kim; Dong-Hwan Kim (IEICE Trans. Electron., 2013)

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)

A Wide-Locking-Range Dual Injection-Locked Frequency Divider With an Automatic Frequency Calibration Loop in 65-nm CMOS. - Dong-Soo Lee; Jae-Hyung Jang; Hyung-Gu Park; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Munkyo Seo; Kang-Yoon Lee (IEEE Trans. Circuits Syst. II Express Briefs, 2015)

Circuit Design for Wireless Energy Harvesting. - Min Jae Kim; Kae Won Choi; Dong In Kim; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (Wireless-Powered Communication Networks, 2016)

Performance analysis of DOA estimation in the presence of mutual coupling for UAV. - Junhyuk Kim; Jaehoon Lee; Hyowon Kim; Young-Mi Park; Jaehoon Choi; Keum-Cheol Hwang; Sunwoo Kim 001 (IC-NIDC, 2016)

A Wideband Circularly Polarized Pixelated Dielectric Resonator Antenna. - Son Trinh-Van; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (Sensors, 2016)

A Wideband Circularly Polarized Antenna with a Multiple-Circular-Sector Dielectric Resonator. - Son Trinh-Van; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (Sensors, 2016)

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)

Low-profile ferrite loaded conical antenna. - Won Bin Park; Young-Mi Park; Keum-Cheol Hwang (ICTC, 2017)

A design of 10-bit, 10 MS/s Pipelined ADC with Time-interleaved SAR. - ByeongGi Jang; Abbas Syed Hayder; SungHan Do; SungHun Cho; Dong-Soo Lee; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Microelectron. J., 2017)

A 10-bit 1 MS/s segmented Dual-Sampling SAR ADC with reduced switching energy. - Behnam Samadpoor Rikan; Hamed Abbasizadeh; Young-Jun Park 005; Hye-Yeong Kang; SangYun Kim 001; YoungGun Pu; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Microelectron. J., 2017)

Vertical-Strip-Fed Broadband Circularly Polarized Dielectric Resonator Antenna. - Amir Altaf; Jin-Woo Jung; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (Sensors, 2017)

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)

An Inductive 2-D Position Detection IC With 99.8% Accuracy for Automotive EMR Gear Control System. - SangYun Kim 001; Hamed Abbasizadeh; Imran Ali; HongJin Kim; SungHun Cho; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Trans. Very Large Scale Integr. Syst., 2017)

Self-Energy Recycling for RF Powered Multi-Antenna Relay Channels. - Duckdong Hwang; Keum-Cheol Hwang; Dong In Kim; Tae-Jin Lee 001 (IEEE Trans. Wirel. Commun., 2017)

A 6-bit 4 MS/s 26fJ/conversion-step segmented SAR ADC with reduced switching energy for BLE. - Behnam Samadpoor Rikan; Hamed Abbasizadeh; SungHun Cho; Sang-Yun Kim 001; Imran Ali; Sung-Jin Kim; Dong-Soo Lee; YoungGun Pu; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Int. J. Circuit Theory Appl., 2018)

Design of a Low-Power, Small-Area AEC-Q100-Compliant SENT Transmitter in Signal Conditioning IC for Automotive Pressure and Temperature Complex Sensors in 180 Nm CMOS Technology. - Imran Ali; Behnam Samadpoor Rikan; Donggyu Kim; Dong-Soo Lee; Muhammad Riaz ur Rehman; Hamed Abbasizadeh; Muhammad Asif 012; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2018)

A 3-D Meandered Probe-Fed Dual-Band Circularly Polarized Dielectric Resonator Antenna. - Amir Altaf; Jin-Woo Jung; Youngoo Yang; Kang-Yoon Lee; Sang-Hwa Yi; Keum-Cheol Hwang (Sensors, 2018)

A Design of Small Area, 0.95 mW, 612-1152 MHz Open Loop Injection-Locked Frequency Multiplier for IoT Sensor Applications. - SungJin Kim; Donggyu Kim; Chanho Kim; Dong-Soo Lee; Behnam Samadpoor Rikan; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2018)

A High Noise Immunity, 28 × 16-Channel Finger Touch Sensing IC Using OFDM and Frequency Translation Technique. - SangYun Kim 001; Behnam Samadpoor Rikan; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2018)

Broadband Circularly Polarized Slot Antenna Loaded by a Multiple-Circular-Sector Patch. - Son Trinh-Van; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (Sensors, 2018)

260-µW DCO With Constant Current Over PVT Variations Using FLL and Adjustable LDO. - Hamed Abbasizadeh; Imran Ali; Behnam Samadpoor Rikan; Dong-Soo Lee; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Trans. Circuits Syst. II Express Briefs, 2018)

A 3.9 mW Bluetooth Low-Energy Transmitter Using All-Digital PLL-Based Direct FSK Modulation in 55 nm CMOS. - SeongJin Oh; Sung-Jin Kim; Imran Ali; Thi Kim Nga Truong; Dong-Soo Lee; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Trans. Circuits Syst. I Regul. Pap., 2018)

A 39.5-dB SNR, 300-Hz Frame-Rate, 56 × 70-Channel Read-Out IC for Electromagnetic Resonance Touch Panels. - SangYun Kim 001; SungHun Cho; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Trans. Ind. Electron., 2018)

A Highly Linear, AEC-Q100 Compliant Signal Conditioning IC for Automotive Piezo-Resistive Pressure Sensors. - Dong-Soo Lee; SungHun Cho; Hocheol Ryu; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Trans. Ind. Electron., 2018)

A Design of Fast-Settling, Low-Power 4.19-MHz Real-Time Clock Generator With Temperature Compensation and 15-dB Noise Reduction. - Dong-Soo Lee; Sung-Jin Kim; Donggyu Kim; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Trans. Very Large Scale Integr. Syst., 2018)

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)

A design of a 5.6 GHz frequency synthesizer with switched bias LIT VCO and low noise on-chip LDO regulator for 5G applications. - SungJin Kim; Ji Hyeon Cheon; Dong-Soo Lee; YoungGun Pu; Sang-Sun Yoo; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Int. J. Circuit Theory Appl., 2019)

Design of a 900 MHz Dual-Mode SWIPT for Low-Power IoT Devices. - Hamed Abbasizadeh; Sang Yun Kim 001; Behnam Samadpoor Rikan; Arash Hejazi; Danial Khan; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Dong In Kim; Kang-Yoon Lee (Sensors, 2019)

5.8 GHz High-Efficiency RF-DC Converter Based on Common-Ground Multiple-Stack Structure. - Jongseok Bae; Sang-Hwa Yi; Woojin Choi; Hyungmo Koo; Keum-Cheol Hwang; Kang-Yoon Lee; Youngoo Yang (Sensors, 2019)

A Fully Integrated Bluetooth Low-Energy Transceiver with Integrated Single Pole Double Throw and Power Management Unit for IoT Sensors. - Sung-Jin Kim; Donggyu Kim; SeongJin Oh; Dong-Soo Lee; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2019)

A Low-Profile High-Gain and Wideband Log-Periodic Meandered Dipole Array Antenna with a Cascaded Multi-Section Artificial Magnetic Conductor Structure. - Son Trinh-Van; Oh Heon Kwon; Euntae Jung; Jinwoo Park; Byunggil Yu; Kichul Kim; Jongwoo Seo 002; Keum-Cheol Hwang (Sensors, 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)

An Ultra-Low Power, Adaptive All-Digital Frequency-Locked Loop With Gain Estimation and Constant Current DCO. - Imran Ali; Hamed Abbasizadeh; Muhammad Riaz ur Rehman; Muhammad Asif 012; SeongJin Oh; YoungGun Pu; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2020)

A High Performance Adaptive Digital LDO Regulator With Dithering and Dynamic Frequency Scaling for IoT Applications. - Muhammad Asif 012; Imran Ali; Danial Khan; Muhammad Riaz ur Rehman; Qurat Ul Ain; Muhammad Basim; YoungGun Pu; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2020)

LUT-Based Focal Beamforming System Using 2-D Adaptive Sequential Searching Algorithm for Microwave Power Transfer. - 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 (IEEE Access, 2020)

An Efficient Reconfigurable RF-DC Converter With Wide Input Power Range for RF Energy Harvesting. - Danial Khan; SeongJin Oh; Khuram Shehzad; Muhammad Basim; Deeksha Verma; YoungGun Pu; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2020)

Single-Fed Circularly Polarized Dielectric Resonator Antenna With an Enhanced Axial Ratio Bandwidth and Enhanced Gain. - Son Trinh-Van; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (IEEE Access, 2020)

A Design of 8 fJ/Conversion-Step 10-bit 8MS/s Low Power Asynchronous SAR ADC for IEEE 802.15.1 IoT Sensor Based Applications. - Deeksha Verma; Khuram Shehzad; Danial Khan; Qurat Ul Ain; Sung Jin Kim; Dong-Soo Lee; YoungGun Pu; Minjae Lee 001; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2020)

Cavity-Backed Patch Filtenna for Harmonic Suppression. - Juho Yun; Son Trinh-Van; Joon-Young Park; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (IEEE Access, 2020)

A Low-Power Multichannel Time-to-Digital Converter Using All-Digital Nested Delay-Locked Loops With 50-ps Resolution and High Throughput for LiDAR Sensors. - Arash Hejazi; SeongJin Oh; Muhammad Riaz ur Rehman; Reza E. Rad; SungJin Kim; Jae Jin Lee; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Trans. Instrum. Meas., 2020)

Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias. - Manzoor Elahi; Amir Altaf; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (IEEE Access, 2021)

Mid-Range Wireless Power Transfer System for Various Types of Multiple Receivers Using Power Customized Resonator. - Hansik Oh; Sungjae Oh; Hyungmo Koo; Woojin Choi; Jaekyung Shin; Keum-Cheol Hwang; Kang-Yoon Lee; Youngoo Yang (IEEE Access, 2021)

Dual-Mode Supply Modulator IC With an Adaptive Quiescent Current Controller for Its Linear Amplifier in LTE Mobile Power Amplifier. - Hansik Oh; Jaekyung Shin; Woojin Choi; Yifei Chen; Hyeongjin Jeon; Young Chan Choi; Hyungmo Koo; Keum-Cheol Hwang; Kang-Yoon Lee; Youngoo Yang (IEEE Access, 2021)

An Ultra-Low-Power 2.4 GHz All-Digital Phase-Locked Loop With Injection-Locked Frequency Multiplier and Continuous Frequency Tracking. - Muhammad Riaz ur Rehman; Arash Hejazi; Imran Ali; Muhammad Asif 012; SeongJin Oh; Pervesh Kumar; YoungGun Pu; Sang-Sun Yoo; Keum-Cheol Hwang; Youngoo Yang; Yeonjae Jung; Hyungki Huh; et al. (IEEE Access, 2021)

5.8 GHz 4-Channel Beamforming Tx IC for Microwave Power Transfer. - Jaekyung Shin; Jongseok Bae; Hyungmo Koo; Sooncheol Bae; Jongyun Na; Hansik Oh; Hyungjin Jeon; Hoseok Jung; Young Chan Choi; Seungmin Woo; Chan Mi Song; Keum-Cheol Hwang; et al. (IEEE Access, 2021)

Correction to "5.8 GHz 4-Channel Beamforming Tx IC for Microwave Power Transfer". - Jaekyung Shin; Jongseok Bae; Hyungmo Koo; Sooncheol Bae; Jongyun Na; Hansik Oh; Hyungjin Jeon; Hoseok Jung; Young Chan Choi; Seungmin Woo; Chan Mi Song; Keum-Cheol Hwang; et al. (IEEE Access, 2021)

Analysis of Received Power in RF Wireless Power Transfer System With Array Antennas. - Chan Mi Song; Son Trinh-Van; Sang-Hwa Yi; Jongseok Bae; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (IEEE Access, 2021)

Bandwidth-Enhanced Low-Profile Magneto-Electric Dipole Antenna With Shorting Parasitic Elements. - Son Trinh-Van; Thai Van Trinh; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (IEEE Access, 2021)

A Design of 44.1 fJ/Conv-Step 12-Bit 80 ms/s Time Interleaved Hybrid Type SAR ADC With Redundancy Capacitor and On-Chip Time-Skew Calibration. - Deeksha Verma; Behnam Samadpoor Rikan; Khuram Shehzad; Sung Jin Kim; Danial Khan; Venkatesh Kommangunta; Syed Adil Ali Shah; YoungGun Pu; Sang-Sun Yoo; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2021)

2.4 GHz GaN HEMT Class-F Synchronous Rectifier Using an Independent Second Harmonic Tuning Circuit. - Jongyun Na; Sang-Hwa Yi; Jaekyung Shin; Hyungmo Koo; Jongseok Bae; Keum-Cheol Hwang; Kang-Yoon Lee; Youngoo Yang (Sensors, 2021)

A 77-dB Dynamic-Range Analog Front-End for Fine-Dust Detection Systems with Dual-Mode Ultra-Low Noise TIA. - Reza E. Rad; Arash Hejazi; Seyed Ali Hosseini Asl; Khuram Shehzad; Deeksha Verma; SungJin Kim; Behnam Samadpoor Rikan; YoungGun Pu; Joon Tae Kim; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2021)

A Design of Adaptive Control and Communication Protocol for SWIPT System in 180 nm CMOS Process for Sensor Applications. - Muhammad Riaz ur Rehman; Imran Ali; Danial Khan; Muhammad Asif 012; Pervesh Kumar; SeongJin Oh; YoungGun Pu; Sang-Sun Yoo; Keum-Cheol Hwang; Youngoo Yang; Dong In Kim; Kang-Yoon Lee (Sensors, 2021)

A Low-Power 12-Bit 20 MS/s Asynchronously Controlled SAR ADC for WAVE ITS Sensor Based Applications. - Khuram Shehzad; Deeksha Verma; Danial Khan; Qurat Ul Ain; Muhammad Basim; Sung Jin Kim; Behnam Samadpoor Rikan; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2021)

A 15-W Triple-Mode Wireless Power Transmitting Unit With High System Efficiency Using Integrated Power Amplifier and DC-DC Converter. - ByeongGi Jang; Arash Hejazi; Reza E. Rad; Yasser Mohammadi Qaragoez; Imran Ali; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Trans. Ind. Electron., 2021)

Retroreflective Transceiver Array Using a Novel Calibration Method Based on Optimum Phase Searching. - Hyungmo Koo; Jongseok Bae; Woojin Choi; Hansik Oh; Hongjun Lim; Jongmin Lee; Chan Mi Song; Kang-Yoon Lee; Keum-Cheol Hwang; Youngoo Yang (IEEE Trans. Ind. Electron., 2021)

A High-Efficiency Triple-Mode Active Rectifier With Gate Charge Recycling Technique for Wireless Power Transfer System. - Qurat Ul Ain; Danial Khan; Muhammad Basim; SeongJin Oh; Khuram Shehzad; ByeongGi Jang; Syed Adil Ali Shah; JongWan Jo; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2022)

Generalized Expression and Design Method of Modified Load Networks for Doherty Power Amplifier With Extended Back-Off Range. - Yifei Chen; Woojin Choi; Jaekyung Shin; Hyeongjin Jeon; Sooncheol Bae; Young Chan Choi; Seungmin Woo; Young Yun Woo; Hansik Oh; Kang-Yoon Lee; Keum-Cheol Hwang; Youngoo Yang (IEEE Access, 2022)

Beamforming Algorithm Based on the Orthogonal Phase Bases With Trigonometric Estimation for Microwave Power Transfer Systems. - Hyungmo Koo; Jaekyung Shin; Woojin Choi; Soohyun Bin; Hansik Oh; Hongjun Lim; Kang-Yoon Lee; Keum-Cheol Hwang; Youngoo Yang (IEEE Access, 2022)

Compact Load Network Having a Controlled Electrical Length for Doherty Power Amplifier. - Kuhyeon Kwon; Woojin Choi; Jaekyung Shin; Yifei Chen; Young Chan Choi; Sooncheol Bae; Hyeongjin Jeon; Jiwon Hwang; Seungmin Woo; Young Yun Woo; Kang-Yoon Lee; Keum-Cheol Hwang; et al. (IEEE Access, 2022)

A 5.8 GHz RF Receiver Front-End With 77.6 dB Dynamic Range AGC for a DSRC Transceiver. - Reza E. Rad; Arash Hejazi; Sungjin Kim; YoungGun Pu; Joon Tae Kim; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2022)

A Wideband Multilevel Reconfigurable Class E/F23 Power Amplifier With a Band-Selecting Tracking Reactance Compensation Automatic Calibration Algorithm. - Reza E. Rad; Yasser Mohammadi Qaragoez; Sungjin Kim; Arash Hejazi; Dong Gyu Kim; Danial Khan; Imran Ali; Behnam Samadpoor Rikan; Sang-Sun Yoo; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; et al. (IEEE Access, 2022)

Low-Profile and Wideband Circularly Polarized Magneto-Electric Dipole Antenna Excited by a Cross Slot. - Son Trinh-Van; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (IEEE Access, 2022)

A Design of Analog Front-End with DBPSK Demodulator for Magnetic Field Wireless Network Sensors. - Seyed Ali Hosseini Asl; Behnam Samadpoor Rikan; Arash Hejazi; YoungGun Pu; Hyungki Huh; Yeonjae Jung; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2022)

A 1.8-2.7 GHz Triple-Band Low Noise Amplifier with 31.5 dB Dynamic Range of Power Gain and Adaptive Power Consumption for LTE Application. - Seyed Ali Hosseini Asl; Reza E. Rad; Behnam Samadpoor Rikan; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2022)

A Configurable and Fully Synthesizable RTL-Based Convolutional Neural Network for Biosensor Applications. - Pervesh Kumar; Huo Yingge; Imran Ali; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Yeon-Jae Jung; Hyung-Ki Huh; Seok-Kee Kim; Joon-Mo Yoo; Kang-Yoon Lee (Sensors, 2022)

A Design of 10-Bit Asynchronous SAR ADC with an On-Chip Bandgap Reference Voltage Generator. - Deeksha Verma; Khuram Shehzad; Sung Jin Kim; YoungGun Pu; Sang-Sun Yoo; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (Sensors, 2022)

New Compact Load Network for Doherty Power Amplifiers Based on L-Section Matching Network of the Carrier Amplifier and Post-Matching Network. - Yifei Chen; Woojin Choi; Jaekyung Shin; Hyeongjin Jeon; Sooncheol Bae; Soohyun Bin; Sunwoo Nam; Young Chan Choi; Hyunuk Kang; Kang-Yoon Lee; Keum-Cheol Hwang; Youngoo Yang (IEEE Access, 2023)

New Load Modulation Combiner Having a Capability of Back-Off Control for Doherty Power Amplifiers. - Yifei Chen; Woojin Choi; Jaekyung Shin; Hyeongjin Jeon; Sooncheol Bae; Young Chan Choi; Cheon-Seok Park; Kang-Yoon Lee; Keum-Cheol Hwang; Youngoo Yang (IEEE Access, 2023)

Broadband InGaP/GaAs HBT Doherty Power Amplifier IC Using Direct Interstage Power Division for Compact 5G NR Handset Module. - Hansik Oh; Jaekyung Shin; Hyeongjin Jeon; Young Yun Woo; Keum-Cheol Hwang; Kang-Yoon Lee; Youngoo Yang (IEEE Access, 2023)

Broadband Virtual-Stub Doherty Power Amplifier Using Asymmetric Structure. - Jaekyung Shin; Woojin Choi; Yifei Chen; Hyeongjin Jeon; Sooncheol Bae; Young Chan Choi; Hyunuk Kang; Hyungmo Koo; Young Yun Woo; Kang-Yoon Lee; Keum-Cheol Hwang; Youngoo Yang (IEEE Access, 2023)

Dual-Band Dual-Polarized S-Band Antenna for 6G NTN Satellite Communications. - Dong Hwan Lee; Keum-Cheol Hwang (ICTC, 2024)

LTCC Differential-Fed Broadband High-Gain and Narrow-Beam Planar Aperture Antenna for AiP Millimeter-Wave-Applications. - Muhammad Adnan; Taeyong Jeong; Jongjin Park; Youngoo Yang; Kang-Yoon Lee; Keum-Cheol Hwang (IEEE Access, 2024)

60 W Class-E/F3 Switching Power Amplifier With an Improved Second Harmonic Distortion of -49 dBc. - Sooncheol Bae; Hansik Oh; Woojin Choi; Jaekyung Shin; Yifei Chen; Hyeongjin Jeon; Young Chan Choi; Sunwoo Nam; Soohyun Bin; Yoonjung Lee; Kang-Yoon Lee; Keum-Cheol Hwang; et al. (IEEE Access, 2024)

A Design of High-Efficiency RF/Solar/ Triboelectric/Electromagnetic Energy Harvesting System. - Muhammad Basim; Nabeel Ahmad; Syed Adil Ali Shah; Ghayur Hussain; Chang Heyon Kim; JongWan Jo; YoungGun Pu; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2025)

100-nW Wake Up Receiver With -42.3 dBm Sensitivity for Real-Time Location Systems. - Kyung-Duk Choi; Reza E. Rad; Yu-Sub Sin; Jun-Eun Park; Keum-Cheol Hwang; Youngoo Yang; Kang-Yoon Lee (IEEE Access, 2025)