Keum-Cheol Hwang
Orcid: 0000-0002-8074-1137
According to our database1,
Keum-Cheol Hwang
authored at least 77 papers
between 2010 and 2024.
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Bibliography
2024
60 W Class-E/F<sub>3</sub> Switching Power Amplifier With an Improved Second Harmonic Distortion of -49 dBc.
IEEE Access, 2024
2023
IEEE Access, 2023
Broadband InGaP/GaAs HBT Doherty Power Amplifier IC Using Direct Interstage Power Division for Compact 5G NR Handset Module.
IEEE Access, 2023
New Load Modulation Combiner Having a Capability of Back-Off Control for Doherty Power Amplifiers.
IEEE Access, 2023
New Compact Load Network for Doherty Power Amplifiers Based on L-Section Matching Network of the Carrier Amplifier and Post-Matching Network.
IEEE Access, 2023
2022
A Design of 10-Bit Asynchronous SAR ADC with an On-Chip Bandgap Reference Voltage Generator.
Sensors, 2022
A Configurable and Fully Synthesizable RTL-Based Convolutional Neural Network for Biosensor Applications.
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.
Sensors, 2022
A Design of Analog Front-End with DBPSK Demodulator for Magnetic Field Wireless Network Sensors.
Sensors, 2022
Low-Profile and Wideband Circularly Polarized Magneto-Electric Dipole Antenna Excited by a Cross Slot.
IEEE Access, 2022
A Wideband Multilevel Reconfigurable Class E/F<sub>23</sub> Power Amplifier With a Band-Selecting Tracking Reactance Compensation Automatic Calibration Algorithm.
IEEE Access, 2022
A 5.8 GHz RF Receiver Front-End With 77.6 dB Dynamic Range AGC for a DSRC Transceiver.
IEEE Access, 2022
Compact Load Network Having a Controlled Electrical Length for Doherty Power Amplifier.
IEEE Access, 2022
Beamforming Algorithm Based on the Orthogonal Phase Bases With Trigonometric Estimation for Microwave Power Transfer Systems.
IEEE Access, 2022
Generalized Expression and Design Method of Modified Load Networks for Doherty Power Amplifier With Extended Back-Off Range.
IEEE Access, 2022
A High-Efficiency Triple-Mode Active Rectifier With Gate Charge Recycling Technique for Wireless Power Transfer System.
IEEE Access, 2022
2021
Retroreflective Transceiver Array Using a Novel Calibration Method Based on Optimum Phase Searching.
IEEE Trans. Ind. Electron., 2021
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., 2021
A Low-Power 12-Bit 20 MS/s Asynchronously Controlled SAR ADC for WAVE ITS Sensor Based Applications.
Sensors, 2021
A Design of Adaptive Control and Communication Protocol for SWIPT System in 180 nm CMOS Process for Sensor Applications.
Sensors, 2021
A 77-dB Dynamic-Range Analog Front-End for Fine-Dust Detection Systems with Dual-Mode Ultra-Low Noise TIA.
Sensors, 2021
2.4 GHz GaN HEMT Class-F Synchronous Rectifier Using an Independent Second Harmonic Tuning Circuit.
Sensors, 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.
IEEE Access, 2021
Bandwidth-Enhanced Low-Profile Magneto-Electric Dipole Antenna With Shorting Parasitic Elements.
IEEE Access, 2021
IEEE Access, 2021
IEEE Access, 2021
An Ultra-Low-Power 2.4 GHz All-Digital Phase-Locked Loop With Injection-Locked Frequency Multiplier and Continuous Frequency Tracking.
IEEE Access, 2021
Dual-Mode Supply Modulator IC With an Adaptive Quiescent Current Controller for Its Linear Amplifier in LTE Mobile Power Amplifier.
IEEE Access, 2021
Mid-Range Wireless Power Transfer System for Various Types of Multiple Receivers Using Power Customized Resonator.
IEEE Access, 2021
IEEE Access, 2021
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.
IEEE Trans. Instrum. Meas., 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.
IEEE Access, 2020
Single-Fed Circularly Polarized Dielectric Resonator Antenna With an Enhanced Axial Ratio Bandwidth and Enhanced Gain.
IEEE Access, 2020
An Efficient Reconfigurable RF-DC Converter With Wide Input Power Range for RF Energy Harvesting.
IEEE Access, 2020
LUT-Based Focal Beamforming System Using 2-D Adaptive Sequential Searching Algorithm for Microwave Power Transfer.
IEEE Access, 2020
A High Performance Adaptive Digital LDO Regulator With Dithering and Dynamic Frequency Scaling for IoT Applications.
IEEE Access, 2020
An Ultra-Low Power, Adaptive All-Digital Frequency-Locked Loop With Gain Estimation and Constant Current DCO.
IEEE Access, 2020
2019
Octave Bandwidth Doherty Power Amplifier Using Multiple Resonance Circuit for the Peaking Amplifier.
IEEE Trans. Circuits Syst. I Regul. Pap., 2019
A Low-Profile High-Gain and Wideband Log-Periodic Meandered Dipole Array Antenna with a Cascaded Multi-Section Artificial Magnetic Conductor Structure.
Sensors, 2019
A Fully Integrated Bluetooth Low-Energy Transceiver with Integrated Single Pole Double Throw and Power Management Unit for IoT Sensors.
Sensors, 2019
5.8 GHz High-Efficiency RF-DC Converter Based on Common-Ground Multiple-Stack Structure.
Sensors, 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.
Int. J. Circuit Theory Appl., 2019
High-Efficiency Stacked Power Amplifier IC With 23% Fractional Bandwidth for Average Power Tracking Application.
IEEE Access, 2019
2018
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., 2018
A Highly Linear, AEC-Q100 Compliant Signal Conditioning IC for Automotive Piezo-Resistive Pressure Sensors.
IEEE Trans. Ind. Electron., 2018
A 39.5-dB SNR, 300-Hz Frame-Rate, 56 × 70-Channel Read-Out IC for Electromagnetic Resonance Touch Panels.
IEEE Trans. Ind. Electron., 2018
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., 2018
IEEE Trans. Circuits Syst. II Express Briefs, 2018
Broadband Circularly Polarized Slot Antenna Loaded by a Multiple-Circular-Sector Patch.
Sensors, 2018
A High Noise Immunity, 28 × 16-Channel Finger Touch Sensing IC Using OFDM and Frequency Translation Technique.
Sensors, 2018
A Design of Small Area, 0.95 mW, 612-1152 MHz Open Loop Injection-Locked Frequency Multiplier for IoT Sensor Applications.
Sensors, 2018
A 3-D Meandered Probe-Fed Dual-Band Circularly Polarized Dielectric Resonator Antenna.
Sensors, 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.
Sensors, 2018
A 6-bit 4 MS/s 26fJ/conversion-step segmented SAR ADC with reduced switching energy for BLE.
Int. J. Circuit Theory Appl., 2018
2017
IEEE Trans. Wirel. Commun., 2017
An Inductive 2-D Position Detection IC With 99.8% Accuracy for Automotive EMR Gear Control System.
IEEE Trans. Very Large Scale Integr. Syst., 2017
IEEE Trans. Circuits Syst. II Express Briefs, 2017
Sensors, 2017
Microelectron. J., 2017
Microelectron. J., 2017
Proceedings of the International Conference on Information and Communication Technology Convergence, 2017
2016
CMOS Power Amplifier Integrated Circuit With Dual-Mode Supply Modulator for Mobile Terminals.
IEEE Trans. Circuits Syst. I Regul. Pap., 2016
A Wideband Circularly Polarized Antenna with a Multiple-Circular-Sector Dielectric Resonator.
Sensors, 2016
Sensors, 2016
Proceedings of the IEEE International Conference on Network Infrastructure and Digital Content, 2016
Proceedings of the Wireless-Powered Communication Networks: Architectures, 2016
2015
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, 2015
IEEE Trans. Circuits Syst. II Express Briefs, 2015
2013
IEICE Trans. Electron., 2013
Uniplanar EBG structure based on a modified Spidron fractal and meander-line configuration.
IEICE Electron. Express, 2013
2012
Ultra-Wideband Folded Monopole Antenna for WiBro/WLAN/WiMAX/UWB Wireless USB Dongles.
IEICE Trans. Commun., 2012
Meandered UC-EBG structure for a reduction of the mutual coupling in a patch antenna array.
IEICE Electron. Express, 2012
2010
IEICE Electron. Express, 2010
IEICE Electron. Express, 2010