Keum-Cheol Hwang

Publication Activity (10 Years)

Years Active: 2010-2024
Publications (10 Years): 69

Top Topics

Calibration Method

Fully Integrated

Top Venues

IEEE Trans. Circuits Syst. II Express Briefs

IEEE Trans. Ind. Electron.

Publications

Muhammad Adnan, Taeyong Jeong, Jongjin Park, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
LTCC Differential-Fed Broadband High-Gain and Narrow-Beam Planar Aperture Antenna for AiP Millimeter-Wave-Applications. IEEE Access 12 (2024)
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, Youngoo Yang
Switching Power Amplifier With an Improved Second Harmonic Distortion of -49 dBc. IEEE Access 12 (2024)
Hansik Oh, Jaekyung Shin, Hyeongjin Jeon, Young Yun Woo, Keum-Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Broadband InGaP/GaAs HBT Doherty Power Amplifier IC Using Direct Interstage Power Division for Compact 5G NR Handset Module. IEEE Access 11 (2023)
Yifei Chen, Woojin Choi, Jaekyung Shin, Hyeongjin Jeon, Sooncheol Bae, Young Chan Choi, Cheon-Seok Park, Kang-Yoon Lee, Keum-Cheol Hwang, Youngoo Yang
New Load Modulation Combiner Having a Capability of Back-Off Control for Doherty Power Amplifiers. IEEE Access 11 (2023)
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
Broadband Virtual-Stub Doherty Power Amplifier Using Asymmetric Structure. IEEE Access 11 (2023)
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
New Compact Load Network for Doherty Power Amplifiers Based on L-Section Matching Network of the Carrier Amplifier and Post-Matching Network. IEEE Access 11 (2023)
S. Ali Hosseini Asl, Behnam Samadpoor Rikan, Arash Hejazi, YoungGun Pu, Hyungki Huh, Yeonjae Jung, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A Design of Analog Front-End with DBPSK Demodulator for Magnetic Field Wireless Network Sensors. Sensors 22 (19) (2022)
Reza E. Rad, Arash Hejazi, Sungjin Kim, YoungGun Pu, Joon Tae Kim, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A 5.8 GHz RF Receiver Front-End With 77.6 dB Dynamic Range AGC for a DSRC Transceiver. IEEE Access 10 (2022)
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
A Configurable and Fully Synthesizable RTL-Based Convolutional Neural Network for Biosensor Applications. Sensors 22 (7) (2022)
Deeksha Verma, Khuram Shehzad, Sung Jin Kim, YoungGun Pu, Sang-Sun Yoo, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A Design of 10-Bit Asynchronous SAR ADC with an On-Chip Bandgap Reference Voltage Generator. Sensors 22 (14) (2022)
Hyungmo Koo, Jaekyung Shin, Woojin Choi, Soohyun Bin, Hansik Oh, Hongjun Lim, Kang-Yoon Lee, Keum-Cheol Hwang, Youngoo Yang
Beamforming Algorithm Based on the Orthogonal Phase Bases With Trigonometric Estimation for Microwave Power Transfer Systems. IEEE Access 10 (2022)
S. Ali Hosseini Asl, Reza E. Rad, Behnam Samadpoor Rikan, YoungGun Pu, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
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. Sensors 22 (11) (2022)
Qurat Ul Ain, Danial Khan, Muhammad Basim, SeongJin Oh, Khuram Shehzad, Byeong Gi Jang, Syed Adil Ali Shah, JongWan Jo, YoungGun Pu, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A High-Efficiency Triple-Mode Active Rectifier With Gate Charge Recycling Technique for Wireless Power Transfer System. IEEE Access 10 (2022)
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
Generalized Expression and Design Method of Modified Load Networks for Doherty Power Amplifier With Extended Back-Off Range. IEEE Access 10 (2022)
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, Youngoo Yang
Compact Load Network Having a Controlled Electrical Length for Doherty Power Amplifier. IEEE Access 10 (2022)
Son Trinh-Van, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
Low-Profile and Wideband Circularly Polarized Magneto-Electric Dipole Antenna Excited by a Cross Slot. IEEE Access 10 (2022)
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, Kang-Yoon Lee
Power Amplifier With a Band-Selecting Tracking Reactance Compensation Automatic Calibration Algorithm. IEEE Access 10 (2022)
Hansik Oh, Jaekyung Shin, Woojin Choi, Yifei Chen, Hyeongjin Jeon, Young Chan Choi, Hyungmo Koo, Keum-Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Dual-Mode Supply Modulator IC With an Adaptive Quiescent Current Controller for Its Linear Amplifier in LTE Mobile Power Amplifier. IEEE Access 9 (2021)
Hansik Oh, Sungjae Oh, Hyungmo Koo, Woojin Choi, Jaekyung Shin, Keum-Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Mid-Range Wireless Power Transfer System for Various Types of Multiple Receivers Using Power Customized Resonator. IEEE Access 9 (2021)
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, Kang-Yoon Lee, Youngoo Yang
Correction to "5.8 GHz 4-Channel Beamforming Tx IC for Microwave Power Transfer". IEEE Access 9 (2021)
Reza E. Rad, Arash Hejazi, Seyed-Ali H. Asl, Khuram Shehzad, Deeksha Verma, SungJin Kim, Behnam Samadpoor Rikan, YoungGun Pu, Joon Tae Kim, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A 77-dB Dynamic-Range Analog Front-End for Fine-Dust Detection Systems with Dual-Mode Ultra-Low Noise TIA. Sensors 21 (19) (2021)
Jongyun Na, Sang-Hwa Yi, Jaekyung Shin, Hyungmo Koo, Jongseok Bae, Keum-Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
2.4 GHz GaN HEMT Class-F Synchronous Rectifier Using an Independent Second Harmonic Tuning Circuit. Sensors 21 (5) (2021)
Son Trinh-Van, Thai Van Trinh, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
Bandwidth-Enhanced Low-Profile Magneto-Electric Dipole Antenna With Shorting Parasitic Elements. IEEE Access 9 (2021)
Muhammad Riaz ur Rehman, Arash Hejazi, Imran Ali, Muhammad Asif, SeongJin Oh, Pervesh Kumar, YoungGun Pu, Sang-Sun Yoo, Keum-Cheol Hwang, Youngoo Yang, Yeonjae Jung, Hyungki Huh, Seokkee Kim, Joon-Mo Yoo, Kang-Yoon Lee
An Ultra-Low-Power 2.4 GHz All-Digital Phase-Locked Loop With Injection-Locked Frequency Multiplier and Continuous Frequency Tracking. IEEE Access 9 (2021)
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
A Low-Power 12-Bit 20 MS/s Asynchronously Controlled SAR ADC for WAVE ITS Sensor Based Applications. Sensors 21 (7) (2021)
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
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. IEEE Access 9 (2021)
ByeongGi Jang, Arash Hejazi, Reza E. Rad, Yasser Mohammadi Qaragoez, Imran Ali, YoungGun Pu, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A 15-W Triple-Mode Wireless Power Transmitting Unit With High System Efficiency Using Integrated Power Amplifier and DC-DC Converter. IEEE Trans. Ind. Electron. 68 (10) (2021)
Manzoor Elahi, Amir Altaf, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias. IEEE Access 9 (2021)
Hyungmo Koo, Jongseok Bae, Woojin Choi, Hansik Oh, Hongjun Lim, Jongmin Lee, Chan Mi Song, Kang-Yoon Lee, Keum-Cheol Hwang, Youngoo Yang
Retroreflective Transceiver Array Using a Novel Calibration Method Based on Optimum Phase Searching. IEEE Trans. Ind. Electron. 68 (3) (2021)
Muhammad Riaz ur Rehman, Imran Ali, Danial Khan, Muhammad Asif, Pervesh Kumar, SeongJin Oh, YoungGun Pu, Sang-Sun Yoo, Keum-Cheol Hwang, Youngoo Yang, Dong In Kim, Kang-Yoon Lee
A Design of Adaptive Control and Communication Protocol for SWIPT System in 180 nm CMOS Process for Sensor Applications. Sensors 21 (3) (2021)
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, Kang-Yoon Lee, Youngoo Yang
5.8 GHz 4-Channel Beamforming Tx IC for Microwave Power Transfer. IEEE Access 9 (2021)
Chan Mi Song, Son Trinh-Van, Sang-Hwa Yi, Jongseok Bae, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
Analysis of Received Power in RF Wireless Power Transfer System With Array Antennas. IEEE Access 9 (2021)
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
LUT-Based Focal Beamforming System Using 2-D Adaptive Sequential Searching Algorithm for Microwave Power Transfer. IEEE Access 8 (2020)
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
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. IEEE Trans. Instrum. Meas. 69 (11) (2020)
Muhammad Asif, Imran Ali, Danial Khan, Muhammad Riaz ur Rehman, Qurat Ul Ain, Muhammad Basim, YoungGun Pu, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A High Performance Adaptive Digital LDO Regulator With Dithering and Dynamic Frequency Scaling for IoT Applications. IEEE Access 8 (2020)
Son Trinh-Van, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
Single-Fed Circularly Polarized Dielectric Resonator Antenna With an Enhanced Axial Ratio Bandwidth and Enhanced Gain. IEEE Access 8 (2020)
Imran Ali, Hamed Abbasizadeh, Muhammad Riaz ur Rehman, Muhammad Asif, SeongJin Oh, YoungGun Pu, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
An Ultra-Low Power, Adaptive All-Digital Frequency-Locked Loop With Gain Estimation and Constant Current DCO. IEEE Access 8 (2020)
Danial Khan, SeongJin Oh, Khuram Shehzad, Muhammad Basim, Deeksha Verma, YoungGun Pu, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
An Efficient Reconfigurable RF-DC Converter With Wide Input Power Range for RF Energy Harvesting. IEEE Access 8 (2020)
Juho Yun, Son Trinh-Van, Joon-Young Park, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
Cavity-Backed Patch Filtenna for Harmonic Suppression. IEEE Access 8 (2020)
Deeksha Verma, Khuram Shehzad, Danial Khan, Qurat Ul Ain, Sung Jin Kim, Dong-Soo Lee, YoungGun Pu, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
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. IEEE Access 8 (2020)
SungJin Kim, Ji Hyeon Cheon, Dong-Soo Lee, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A design of a 5.6 GHz frequency synthesizer with switched bias LIT VCO and low noise on-chip LDO regulator for 5G applications. Int. J. Circuit Theory Appl. 47 (11) (2019)
Jongseok Bae, Sang-Hwa Yi, Woojin Choi, Hyungmo Koo, Keum-Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
5.8 GHz High-Efficiency RF-DC Converter Based on Common-Ground Multiple-Stack Structure. Sensors 19 (15) (2019)
Son Trinh-Van, Oh Heon Kwon, Euntae Jung, Jinwoo Park, Byunggil Yu, Kichul Kim, Jongwoo Seo, Keum-Cheol Hwang
A Low-Profile High-Gain and Wideband Log-Periodic Meandered Dipole Array Antenna with a Cascaded Multi-Section Artificial Magnetic Conductor Structure. Sensors 19 (20) (2019)
Hyunuk Kang, Hwiseob Lee, Wooseok Lee, Hansik Oh, Wonseob Lim, Hyungmo Koo, Cheon-Seok Park, Keum-Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Octave Bandwidth Doherty Power Amplifier Using Multiple Resonance Circuit for the Peaking Amplifier. IEEE Trans. Circuits Syst. I Regul. Pap. (2) (2019)
Wooseok Lee, Kang-Yoon Lee, Youngoo Yang, Hyunuk Kang, Hwiseob Lee, Jongseok Bae, Sungjae Oh, Hansik Oh, Hyungmo Koo, Jangsup Yoon, Keum-Cheol Hwang
High-Efficiency Stacked Power Amplifier IC With 23% Fractional Bandwidth for Average Power Tracking Application. IEEE Access 7 (2019)
Sung-Jin Kim, Donggyu Kim, SeongJin Oh, Dong-Soo Lee, YoungGun Pu, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A Fully Integrated Bluetooth Low-Energy Transceiver with Integrated Single Pole Double Throw and Power Management Unit for IoT Sensors. Sensors 19 (10) (2019)
Hamed Abbasizadeh, Sang-Yun Kim, Behnam Samadpoor Rikan, Arash Hejazi, Danial Khan, YoungGun Pu, Keum-Cheol Hwang, Youngoo Yang, Dong In Kim, Kang-Yoon Lee
Design of a 900 MHz Dual-Mode SWIPT for Low-Power IoT Devices. Sensors 19 (21) (2019)
Sang-Yun Kim, Behnam Samadpoor Rikan, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A High Noise Immunity, 28 × 16-Channel Finger Touch Sensing IC Using OFDM and Frequency Translation Technique. Sensors 18 (5) (2018)
Son Trinh-Van, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
Broadband Circularly Polarized Slot Antenna Loaded by a Multiple-Circular-Sector Patch. Sensors 18 (5) (2018)
Behnam Samadpoor Rikan, Hamed Abbasizadeh, SungHun Cho, Sang-Yun Kim, Imran Ali, Sung-Jin Kim, Dong-Soo Lee, YoungGun Pu, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A 6-bit 4 MS/s 26fJ/conversion-step segmented SAR ADC with reduced switching energy for BLE. Int. J. Circuit Theory Appl. 46 (3) (2018)
Imran Ali, Behnam Samadpoor Rikan, Donggyu Kim, Dong-Soo Lee, Muhammad Riaz ur Rehman, Hamed Abbasizadeh, Muhammad Asif, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
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. Sensors 18 (5) (2018)
Dong-Soo Lee, Sung-Jin Kim, Donggyu Kim, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A Design of Fast-Settling, Low-Power 4.19-MHz Real-Time Clock Generator With Temperature Compensation and 15-dB Noise Reduction. IEEE Trans. Very Large Scale Integr. Syst. 26 (6) (2018)
Hamed Abbasizadeh, Imran Ali, Behnam Samadpoor Rikan, Dong-Soo Lee, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
260-µW DCO With Constant Current Over PVT Variations Using FLL and Adjustable LDO. IEEE Trans. Circuits Syst. II Express Briefs (6) (2018)
Dong-Soo Lee, SungHun Cho, Hocheol Ryu, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A Highly Linear, AEC-Q100 Compliant Signal Conditioning IC for Automotive Piezo-Resistive Pressure Sensors. IEEE Trans. Ind. Electron. 65 (9) (2018)
Amir Altaf, Jin-Woo Jung, Youngoo Yang, Kang-Yoon Lee, Sang-Hwa Yi, Keum-Cheol Hwang
A 3-D Meandered Probe-Fed Dual-Band Circularly Polarized Dielectric Resonator Antenna. Sensors 18 (8) (2018)
SeongJin Oh, Sung-Jin Kim, Imran Ali, Thi Kim Nga Truong, Dong-Soo Lee, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A 3.9 mW Bluetooth Low-Energy Transmitter Using All-Digital PLL-Based Direct FSK Modulation in 55 nm CMOS. IEEE Trans. Circuits Syst. I Regul. Pap. (9) (2018)
SungJin Kim, Donggyu Kim, Chanho Kim, Dong-Soo Lee, Behnam Samadpoor Rikan, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A Design of Small Area, 0.95 mW, 612-1152 MHz Open Loop Injection-Locked Frequency Multiplier for IoT Sensor Applications. Sensors 18 (6) (2018)
Sang-Yun Kim, SungHun Cho, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A 39.5-dB SNR, 300-Hz Frame-Rate, 56 × 70-Channel Read-Out IC for Electromagnetic Resonance Touch Panels. IEEE Trans. Ind. Electron. 65 (6) (2018)
Amir Altaf, Jin-Woo Jung, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
Vertical-Strip-Fed Broadband Circularly Polarized Dielectric Resonator Antenna. Sensors 17 (8) (2017)
Duckdong Hwang, Keum-Cheol Hwang, Dong In Kim, Tae-Jin Lee
Self-Energy Recycling for RF Powered Multi-Antenna Relay Channels. IEEE Trans. Wirel. Commun. 16 (2) (2017)
Behnam Samadpoor Rikan, Hamed Abbasizadeh, Young-Jun Park, Hye-Yeong Kang, Sang-Yun Kim, YoungGun Pu, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A 10-bit 1 MS/s segmented Dual-Sampling SAR ADC with reduced switching energy. Microelectron. J. 70 (2017)
Hyunuk Kang, Hwiseob Lee, Hansik Oh, Wooseok Lee, Cheon-Seok Park, Keum-Cheol Hwang, Kang-Yoon Lee, Youngoo Yang
Symmetric Three-Way Doherty Power Amplifier for High Efficiency and Linearity. IEEE Trans. Circuits Syst. II Express Briefs (8) (2017)
Sang-Yun Kim, Hamed Abbasizadeh, Imran Ali, HongJin Kim, SungHun Cho, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
An Inductive 2-D Position Detection IC With 99.8% Accuracy for Automotive EMR Gear Control System. IEEE Trans. Very Large Scale Integr. Syst. 25 (5) (2017)
Won Bin Park, Young-Mi Park, Keum-Cheol Hwang
Low-profile ferrite loaded conical antenna. ICTC (2017)
ByeongGi Jang, Abbas Syed Hayder, SungHan Do, SungHun Cho, Dong-Soo Lee, YoungGun Pu, Keum-Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
A design of 10-bit, 10 MS/s Pipelined ADC with Time-interleaved SAR. Microelectron. J. 62 (2017)
Son Trinh-Van, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
A Wideband Circularly Polarized Pixelated Dielectric Resonator Antenna. Sensors 16 (9) (2016)
Junhyuk Kim, Jaehoon Lee, Hyowon Kim, Young-Mi Park, Jaehoon Choi, Keum-Cheol Hwang, Sunwoo Kim
Performance analysis of DOA estimation in the presence of mutual coupling for UAV. IC-NIDC (2016)
Junghyun Ham, Jongseok Bae, Hyungchul Kim, Mincheol Seo, Hwiseob Lee, Keum-Cheol Hwang, Kang-Yoon Lee, Cheon-Seok Park, Deukhyoun Heo, Youngoo Yang
CMOS Power Amplifier Integrated Circuit With Dual-Mode Supply Modulator for Mobile Terminals. IEEE Trans. Circuits Syst. I Regul. Pap. (1) (2016)
Son Trinh-Van, Youngoo Yang, Kang-Yoon Lee, Keum-Cheol Hwang
A Wideband Circularly Polarized Antenna with a Multiple-Circular-Sector Dielectric Resonator. Sensors 16 (11) (2016)
Dong-Soo Lee, Jae-Hyung Jang, Hyung-Gu Park, YoungGun Pu, Keum-Cheol Hwang, Youngoo Yang, Munkyo Seo, Kang-Yoon Lee
A Wide-Locking-Range Dual Injection-Locked Frequency Divider With an Automatic Frequency Calibration Loop in 65-nm CMOS. IEEE Trans. Circuits Syst. II Express Briefs (4) (2015)
Jin-hee Kwon, Mincheol Seo, Hwiseob Lee, Je-hyun Gu, Junghyun Ham, Keum-Cheol Hwang, Kang-Yoon Lee, Cheon-Seok Park, Youngoo Yang
Broadband Doherty Power Amplifier Based on Asymmetric Load Matching Networks. IEEE Trans. Circuits Syst. II Express Briefs (6) (2015)
Gina Kwon, Keum-Cheol Hwang, Joon-Young Park, Seon-Joo Kim, Dong-Hwan Kim
GA-Enhanced Thin Square Array with Cyclic Difference Sets. IEICE Trans. Electron. (4) (2013)
Son Trinh-Van, Gina Kwon, Keum-Cheol Hwang, Yong Bae Park
Uniplanar EBG structure based on a modified Spidron fractal and meander-line configuration. IEICE Electron. Express 10 (17) (2013)
Son Trinh-Van, Keum-Cheol Hwang
Meandered UC-EBG structure for a reduction of the mutual coupling in a patch antenna array. IEICE Electron. Express 9 (22) (2012)
Jin-Hyuk Kim, Keum-Cheol Hwang, Hyeong-Seok Kim
Ultra-Wideband Folded Monopole Antenna for WiBro/WLAN/WiMAX/UWB Wireless USB Dongles. IEICE Trans. Commun. (9) (2012)
Seong Jae Jeong, Keum-Cheol Hwang
Circular hook-shaped wireless USB dongle antenna with an open stub. IEICE Electron. Express 7 (18) (2010)
Seong Jae Jeong, Keum-Cheol Hwang
Novel hexaband folded meander-patch antenna for wireless USB dongles. IEICE Electron. Express 7 (16) (2010)