Hyoungho Ko

45 papers C 1Journal 33Unranked 11
YearRankTypeTitle / Venue / Authors
2026 J jnl
A Low Noise Multipath Chopper-Stabilized Operational Amplifier Using Dynamic Element Matching Gain-Boosting and Low Input Current Adaptive Clock-Boosting Chopper Switch.
IEEE Access
Mookyoung Yoo, Gibae Nam, Minhyeok Son, Manhyuck Choi, Inju Yu, Dahyun Jin, Euiyoung Lee, Hajun Bin, Hyoungho Ko
2026 J jnl
Low-Noise Multipath Amplifier With Slew-Rate Boosting and Ping-Pong Auto-Zero.
IEEE Access
Dahyun Jin, Jihyang Wi, Mookyoung Yoo, Gibae Nam, Manhyuck Choi, Minhyeok Son, Inju Yoo, Euiyoung Lee, Hajun Bin, Hyoungho Ko
2025 J jnl
A Low-Offset Operational Amplifier Using Multipath Ping-Pong Current Adjusting Auto-Zeroing Stabilization Technique.
IEEE Trans. Circuits Syst. II Express Briefs
Minhyeok Son, Kyounghwan Kim, Mookyuong Yoo, Hyeoktae Son, Jihyang Wi, Gibae Nam, Manhyuk Choi, Hyoungho Ko
2025 J jnl
An Absolute Capacitive Encoder Using Sample-and-Hold Demodulator to Reduce Interference Between Sine and Cosine Channels.
IEEE Access
Junghyun Park, Hyoungho Ko, Taeyup Kim, Sanghoon Lee, Jong-Mo Seo, Dong-Il Cho
2025 J jnl
DRAM Physically Unclonable Function (PUF) Using Dual Word-Line Activated Twin-Cells.
IEEE Trans. Circuits Syst. II Express Briefs
Mookyoung Yoo, Seon Bhin Kim, Hyeoktae Son, Kyounghwan Kim, Jihyang Wi, Gibae Nam, Minhyoek Son, Manhyoek Choi, Inju Yu, Dong Kyue Kim, Hyoungho Ko
2025 J jnl
Implantable Cardiovascular Biopotential Acquisition and Stimulation Circuit With Body-Channel Communication for Transcatheter Leadless Pacemaker.
IEEE Trans. Biomed. Circuits Syst.
Manhyuck Choi, Byeongseol Kim, Sangmin Lee, Kyounghwan Kim, Mookyoung Yoo, Jihyang Wi, Gibae Nam, Minhyeok Son, Inju Yoo, Joonsung Bae, Hyoungho Ko
2025 J jnl
Multipath chopper stabilized operational amplifier with a floating high-pass filter ripple reduction loop.
Microelectron. J.
Inju Yu, Hyungseup Kim, Sanggyun Kang, Mookyoung Yoo, Jihyang Wi, Gibae Nam, Manhyeok Choi, Minhyeok Son, Hyoungho Ko
2025 J jnl
Zero-Drift Fully Differential Amplifier With Ping-Pong Auto-Zero Stabilization and Digitally-Assisted Coarse Automatic Offset Calibration.
IEEE Trans. Circuits Syst. II Express Briefs
Mookyoung Yoo, Hyeoktae Son, Kyounghwan Kim, Jihyang Wi, Gibae Nam, Minhyoek Son, Manhyoek Choi, Hyoungho Ko
2024 J jnl
A low-noise multipath operational amplifier with G-shared ping-pong and ripple averaging techniques.
Microelectron. J.
Jihyang Wi, Gyuri Choi, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Hyeoktae Son, Kyounghwan Kim, Gibae Nam, Hyoungho Ko
2024 J jnl
Piezoresistance of Silicon Nanowires for Sensing Applications: Optimizing Nanowire Parameters From Electrical and Mechanical Perspectives.
IEEE Access
Taeyup Kim, Minjae Lee, Hyoungho Ko, Dong-Il Cho
2023 J jnl
A low-noise and mismatch-tolerant current-mirror-based potentiostat circuit for glucose monitoring.
Microelectron. J.
Kyeongsik Nam, Gyuri Choi, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Hyeoktae Son, Kyounghwan Kim, Hyoungho Ko
2023 J jnl
Bulk CMOS Low Noise Amplifier With Two Stage HPF Noise Matching Structure.
IEEE Trans. Circuits Syst. II Express Briefs
Jeong-Taek Lim, Han-Woong Choi, Sun-Kyu Choi, Ki-Jin Kim, Hi-Deok Lee, Hyoungho Ko, Choul-Young Kim
2023 J jnl
Low-Noise Chopper-Stabilized Zero-Drift Amplifier With SAR-Assisted Automatic Offset Calibration Loop.
IEEE Access
Gibae Nam, Gyuri Choi, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Hyeoktae Son, Kyounghwan Kim, Jihyang Wi, Seungmin Ahn, Hyoungho Ko
2022 J jnl
Low-Noise Resistive Bridge Sensor Analog Front-End Using Chopper-Stabilized Multipath Current Feedback Instrumentation Amplifier and Automatic Offset Cancellation Loop.
IEEE Access
Mookyoung Yoo, Yongsu Kwon, Hyungseup Kim, Gyuri Choi, Kyeongsik Nam, Hyoungho Ko
2021 — conf
A BJT-Based CMOS Body Temperature Sensor Analog Front-End with Dynamic Element Matching.
ICEIC
Yongsu Kwon, Hyungseup Kim, Donggeun You, Hyunwoo Heo, Hyoungho Ko, Sangmin Lee
2021 J jnl
A Four-Channel Low-Noise Readout IC for Air Flow Measurement Using Hot Wire Anemometer in 0.18 μm CMOS Technology.
Sensors
Kyeongsik Nam, Hyungseup Kim, Yongsu Kwon, Gyuri Choi, Taeyup Kim, Chulhong Kim, Dongil Cho, Junghoon Lee, Hyoungho Ko
2021 J jnl
Current-Reused Current Feedback Instrumentation Amplifier for Low Power Leadless Pacemakers.
IEEE Access
Gyuri Choi, Donggeun You, Hyunwoo Heo, Hyungseup Kim, Yongsu Kwon, Kyeongsik Nam, Sangmin Lee, Hyoungho Ko
2021 J jnl
Low-Noise Chopper Amplifier Using Lateral PNP Input Stage With Automatic Base Current Cancellation.
IEEE Trans. Circuits Syst. II Express Briefs
Hyungseup Kim, Yongsu Kwon, Donggeun You, Hyun-Woong Choi, Seong Hyun Kim, Hyunwoo Heo, Choul-Young Kim, Hi-Deok Lee, Hyoungho Ko
2021 — conf
Secure IC with Countermeasure to Unpowered Physical Attack using On-chip Photodiode and Charge Pump.
ICEIC
Hyunwoo Heo, Donggeun You, Hyungseup Kim, Yongsu Kwon, Hyoungho Ko, Dong Kyue Kim, Byong-Deok Choi, Ji-Hoon Kim
2020 — conf
A 28.4 nV/√Hz Chopper Stabilized Current Feedback Instrumentation Amplifier with Auto Offset Calibration DAC for Resistive Bridge Sensor.
ISOCC
Yongsu Kwon, Hyungseup Kim, Donggeun You, Hyunwoo Heo, Hyoungho Ko, Sangmin Lee
2020 — conf
A Current Feedback Instrumentation Amplifier with Current Reuse and Power Line Interference Mitigation Technique for ECG Recording.
ISOCC
Donggeun You, Hyunwoo Heo, Hyungseup Kim, Yongsu Kwon, Hyoungho Ko, Sangmin Lee
2020 J jnl
Chopper-Stabilized Low-Noise Multipath Operational Amplifier With Dual Ripple Rejection Loops.
IEEE Trans. Circuits Syst.
Hyungseup Kim, Kwonsang Han, Jaesung Kim, Donggeun You, Hyunwoo Heo, Yongsu Kwon, Choul-Young Kim, Hi-Deok Lee, Hyoungho Ko
2020 — conf
Phase-Locked Loop-Based Nanoresonator Integrated Circuit for Motional Resistance Sensing with Automatic Gain Control.
ISOCC
Hyunwoo Heo, Hyungseup Kim, Donggeun You, Yongsu Kwon, Hyoungho Ko, Yil-Suk Yang
2019 J jnl
Self-Biased Ultralow Power Current-Reused Neural Amplifier With On-Chip Analog Spike Detections.
IEEE Access
Jongpal Kim, Hyoungho Ko
2018 J jnl
0.6 V, 116 nW Neural Spike Acquisition IC with Self-Biased Instrumentation Amplifier and Analog Spike Extraction.
Sensors
Jongpal Kim, Hankyu Lee, Hyoungho Ko
2018 J jnl
Characterization of the Piezoresistive Effects of Silicon Nanowires.
Sensors
Seohyeong Jang, Jin-Woo Sung, Bobaro Chang, Taeyup Kim, Hyoungho Ko, Kyo-In Koo, Dong-Il Dan Cho
2018 J jnl
Secure circuit with optical energy harvesting against unpowered physical attacks.
Comput. Electr. Eng.
Hyungseup Kim, Youngwoon Ko, Yeongjin Mun, Byeoncheol Lee, Dong Kyue Kim, Byong-Deok Choi, Ji-Hoon Kim, Hyoungho Ko
2016 J jnl
A Dynamic Instrumentation Amplifier for Low-Power and Low-Noise Biopotential Acquisition.
Sensors
Jongpal Kim, Hyoungho Ko
2016 J jnl
Low-Power Photoplethysmogram Acquisition Integrated Circuit with Robust Light Interference Compensation.
Sensors
Jongpal Kim, Jihoon Kim, Hyoungho Ko
2016 J jnl
Reconfigurable Multiparameter Biosignal Acquisition SoC for Low Power Wearable Platform.
Sensors
Jongpal Kim, Hyoungho Ko
2016 J jnl
Ultralow-Power Bioimpedance IC With Intermediate Frequency Shifting Chopper.
IEEE Trans. Circuits Syst. II Express Briefs
Hyoungho Ko, Takhyung Lee, Jihoon Kim, Jong-ae Park, Jongpal Kim
2015 — conf
Ambient light cancellation in photoplethysmogram application using alternating sampling and charge redistribution technique.
EMBC
Jongpal Kim, Takhyung Lee, Jihoon Kim, Hyoungho Ko
2015 J jnl
Fully Integrated Biopotential Acquisition Analog Front-End IC.
Sensors
Haryong Song, Yunjong Park, Hyungseup Kim, Hyoungho Ko
2015 J jnl
Fully Integrated Low-Noise Readout Circuit with Automatic Offset Cancellation Loop for Capacitive Microsensors.
Sensors
Haryong Song, Yunjong Park, Hyungseup Kim, Dong-Il Dan Cho, Hyoungho Ko
2015 J jnl
Light-Controlled Biphasic Current Stimulator IC Using CMOS Image Sensors for High-Resolution Retinal Prosthesis and In Vitro Experimental Results With rd1 Mouse.
IEEE Trans. Biomed. Eng.
Sungjin Oh, Jae Hyun Ahn, Sangmin Lee, Hyoungho Ko, Jong-Mo Seo, Yong-Sook Goo, Dong-Il Dan Cho
2014 — conf
A fully integrated electroencephalogram (EEG) analog front-end IC with capacitive input impedance boosting loop.
CICC
Seunghyun Lim, Changho Seok, Hyunho Kim, Haryong Song, Hyoungho Ko
2014 — conf
A versatile biopotential acquisition analog front end IC with effective DC offset and ripple rejection.
ISIC
Seunghyun Im, Changho Seok, Hyunho Kim, Haryong Song, Hyoungho Ko, Dong-Il Dan Cho
2014 — conf
Pulse count modulation based biphasic current stimulator for retinal prosthesis and in vitro experiment using rd1 mouse.
EMBC
Sungjin Oh, Jae Hyun Ahn, Jong Yoon Shin, Hyoungho Ko, Yong-Sook Goo, Dong-Il Dan Cho
2013 C conf
A 16-channel neural stimulator with DAC sharing scheme for visual prostheses.
ISCAS
Kyomuk Lim, Jindeok Seo, Changho Seok, Hyoungho Ko
2011 — conf
Integrated 0.35 µm BiCMOS DC-DC Boost Converter.
EMS
Chan-Soo Lee, Nam-Soo Kim, Hyoungho Ko
2010 J jnl
Optimal and Robust Design Method for Two-Chip Out-of-Plane Microaccelerometers.
Sensors
Sangmin Lee, Hyoungho Ko, Byoung-Doo Choi, Dong-Il Dan Cho
2008 J jnl
Non-ideal behavior of a driving resonator loop in a vibratory capacitive microgyroscope.
Microelectron. J.
Ahra Lee, Hyoungho Ko, Dong-Il Cho, Gunn Hwang
2007 — conf
A 37 ppm/°C Temperature Compensated CMOS ASIC with ±16 V Supply Protection for Capacitive Microaccelerometers.
CICC
Hyoungho Ko, Ahra Lee, Taedong Ahn, Seung Joon Paik, Byoung-Doo Choi, Dong-Il Cho
2003 J jnl
A Novel Z-Axis Accelerometer With Perfectly-Aligned, Fully-Offset Vertical Combs Fabricated Using The Extended Sacrificial Bulk Micromachining Process.
Int. J. Comput. Eng. Sci.
Dongil Cho, Hyoungho Ko, Jongpal Kim, Sangjun Park, Donghun Kwak, Taeyong Song, William Carr, James Bus
2003 J jnl
Extremely Sharp {111}-Bound, Single-Crystalline Silicon Nano Tips.
Int. J. Comput. Eng. Sci.
Jaehong Park, Kidong Park, Seung Joon Paik, Kyo-In Koo, Byoung-Doo Choi, Jongpal Kim, Sangjun Park, Il-Woo Jung, Hyoungho Ko, Dong-Il Cho