ALUMNI

Hyun Park

Personal Information

• Master's degree (M.S.)

• E-mail: hpark.htc@gmail.com

Thesis 

• Low Input Voltage Operation LDO Linear Regulator (2012.02.25.)

Workplace 

• HTC Korea

Youngsik Kwon

Personal Information

• Master's degree (M.S.)

• E-mail: 7779kys@hanmail.net

Thesis 

• Exit Light and Emergency Light Which Have Function to Indicate Residual Charge of Battery (2013.02.25.)

Workplace 

• Korea Atomic Energy Research Institute (KAERI)

Kyomuk Lim 

Personal Information

• Master's degree (M.S.)

• E-mail: kmlim20@naver.com

Thesis 

• A CMOS neural stimulator IC for visual prostheses (2013.02.25.)

International Conferences

• Kyomook Lim, Jindeok Seo, Changho Seok, and Hyoungho Ko, "A 16-channel neural stimulator with DAC sharing scheme for visual prostheses," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China, May 19-23, 2013, pp. 1873-1876.

Workplace 

• Samsung Electronics Co., Ltd. 

Jindeok Seo

Personal Information

• Master's degree (M.S.)

• E-mail: seojd87@pixelplus.com

Thesis 

• Low-power Low-noise SAR ADC with Calibration Circuit (2014.02.25.)

International Journals

• Jindeok Seo, Kyomuk Lim, Sangmin Lee, Jaehyun Ahn, Seokjune Hong, Hyungjung Yoo, Sukwon Jung, Sunkil Park, Dong-Il Dan Cho and, Hyoungho Ko, "An Arbitrary Waveform 16 Channel Neural Stimulator with Adaptive Supply Regulator in 0.35 um HV CMOS for Visual Prosthesis," Journal of Semiconductor Technology and Science, vol. 13, pp. 79-86, Feb. 2013.

Honors and Awards

• 제 20회 삼성전자 휴먼테크 논문대상 장려상, 2014 

Workplace 

• Pixelplus Co., Ltd. 

Changho Seok

Personal Information

• Master's degree (M.S.)

• E-mail: changho.seok@samsung.com

Thesis 

• Low Noise, High Gain, High Input Impedance Biopotential Acquisition Circuit for EEG (2014.08.25.)

International Journals

• Changho Seok, Hyunho Kim, Seunghyun Im, Haryong Song, Kyomook Lim, Yong-Sook Goo, Kyo-in Koo, Dong-il Cho, and Hyoungho Ko, "A 16-channel Neural Stimulator IC with DAC Sharing Scheme for Artificial Retinal Prostheses," Journal of Semiconductor Technology and Science, vol. 14, pp. 658-665, Aug. 2014. 

Honors and Awards

• 제 20회 삼성전자 휴먼테크 논문대상 장려상, 2014 

Workplace 

• Samsung Electronics Co., Ltd. 

Seunghyun Lim

Personal Information

• Master's degree (M.S.)

• E-mail: shim@clairpixel.com

Thesis 

• Biopotential acquisition AFE (Analog Font-End) with multiple offset rejection loop (2015.02.25.)

International Journals

• Seunghyun Lim, Hyunho Kim, Haryong Song, Dong-il Cho, and Hyoungho Ko, "Analog front-end measuring biopotential signal with effective offset rejection loop," Bio-Medical Materials and Engineering, vol. 26, pp. 935-941, Aug. 2015. 

• Seunghyun Lim, Hyunho Kim, Changho Seok, Haryong Song, Sangmin Lee, Sukwon Jung, Hyungjung Yoo, Sungjin Oh, Jaehyun Ahn, Kyoin Koo, Dong-il Dan Cho, and Hyoungho Ko, "A Neural Stimulator with Silicon Nanowire Photodetector for Artificial Retinal Prostheses," Journal of Computational and Theoretical Nanoscience, vol. 12, pp. 769-773, May 2015.

International Conferences

• Seunghyum Lim, Changho Seok, Hyunho Kim, Haryong Song, Hyoungho Ko, and Dong-il Dan Cho, "A versatile biopotential acquisition analog front end IC with effective DC offset and ripple rejection," IEEE International Symposium on Integrated Circuits (ISIC), Singapore, Singapore, Dec. 10-12, 2014, pp. 504-507.

• Seunghyun Lim, Changho Seok, Hyunho Kim, Haryong Song, and Hyoungho Ko, "A fully integrated electroencephalogram (EEG) analog front-end IC with capacitive input impedance boosting loop," IEEE Custom Integrated Circuits Conference (CICC), San Jose, California, USA, Sept. 15-17, 2014, pp. 1-4.

Honors and Awards

• 제 20회 삼성전자 휴먼테크 논문대상 장려상, 2014 

Workplace 

• ClairPixel Co., Ltd

Hyunho Kim

Personal Information

• Master's degree (M.S.)

• E-mail: plable.hhkim@gmail.com

Thesis 

• Multiple Offset Compensation Loop for ECG (Electrocardiogram) signal acquisition AFE (Analog Front-End) (2015.02.25.)

International Journals

• Hyunho Kim, Kangbok Lee, Kyu-Ha Baek, Lee-Mi Do, Changho Seok, Seunghyun Im, Haryong Song, and Hyoungho Ko, "A CMOS Fully Integrated Biopotential Analog Front-End IC for Neural Recording Applications," Information, vol. 18, pp. 1675-1686, May 2015. 

• Hyunho Kim, Kyomuk Lim, Seunghyun Lim, Changho Seok, Gyungtae Kim, Ji-Hoon Kim, Cheol-Young Kim, and Hyoungho Ko, "A Digitally Trimmable Continuous-Time Capacitive Readout ASIC for MEMS vibratory gyroscope," International Journal of Advancements in Computing Technology, vol. 5, p. 169, 2013. 

Honors and Awards

• 제 20회 삼성전자 휴먼테크 논문대상 장려상, 2014 

Workplace 

• Samsung Electronics Co., Ltd. 

Gyungtae Kim

Personal Information

• Doctor of Philosophy  (Ph.D.)

• E-mail: gtkim@nnfc.re.kr

Thesis 

• Reliable Electro-Thermal Modeling and Characterization for Highly Uniform Amorphous-Silicon Microbolometer (2016.02.24.)

International Journals

• Gyungtae Kim, Taehyun Kim, Hee Yeoun Kim, Yunjong Park, and Hyoungho Ko, “Electro-Thermal Modeling and Experimental Validation of Integrated Microbolometer with ROIC,” Journal of Semiconductor Technology and Science, vol. 16, no. 3, pp. 367-374, Jun. 2016. 

• Gyungtae Kim, Changho Seok, Taehyun Kim, Jae Hong Park, Heeyeoun Kim, and Hyoungho Ko, "The Micro Pirani Gauge with Low Noise CDS-CTIA for In-Situ Vacuum Monitoring," Journal of Semiconductor Technology and Science, vol. 14, no. 6, pp. 733-740, Dec. 2014. 

• Gyungtae Kim, Heeyeoun Kim, Taehyun Kim, Jindeok Seo, Changho Seok, and Hyoungho Ko, "High-uniformity post-CMOS uncooled microbolometer focal plane array integrated with active matrix circuit," Sensors and Actuators A: Physical, vol. 211, pp. 138-144, Jan. 2014.

International Conferences

• Gyungtae Kim and Hyoungho Ko, "Behavioral modeling and experimental validation of uncooled microbolometer," 2015 IEEE SENSORS, Busan, South Korea, Nov. 1-4, 2015, pp. 1-3.

• Gyungtae Kim, et. al., “High-Uniformity Post-CMOS Uncooled Microbolometer Focal Plane Array with Active Matrix Circuit,” The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII), Barcelona, Spain, June 16-20, 2013, pp. 2361-2364.

Workplace 

• National NanoFab Center (NNFC)

Haryong Song

Personal Information

• Master's degree (M.S.)

• E-mail: hrsong@pixelplus.com

Thesis 

• Low Noise Readout Circuit with Automatic Offset Cancellation Loop for Capacitive Microsensors (2016.02.24.)

International Journals

• Haryong Song, Yunjong Park, Hyungseup Kim, Dong-il Dan Cho, and Hyoungho Ko, "Fully Integrated Low-Noise Readout Circuit with Automatic Offset Cancellation Loop for Capacitive Microsensors," Sensors, vol. 15, no. 10, pp. 26009-26017, Oct. 2015. 

• Haryong Song, Yunjong Park, Hyungseup Kim, and Hyoungho Ko, "Fully Integrated Biopotential Acquisition Analog Front-End IC," Sensors, vol. 15, no. 10, pp. 25139-25156, Sept. 2015. 

• Haryong Song, Changho Seok, Hyunho Kim, Seunghyun Im, and Hyoungho Ko, "Successive Approximation Register (SAR) ADC with Improved Timing Control Logic for Neural Recording Front-End IC," Information, vol. 18, pp. 1687-1694, May 2015. 

Honors and Awards

• 제 16회 대한민국 반도체설계대전 은상 (산업통상자원부 장관상), 2015 

Workplace 

• Pixelplus Co., Ltd. 

Joo-Ho Won

Personal Information

• Doctor of Philosophy  (Ph.D.)

• E-mail: jooho@kari.re.kr

Thesis 

• Design of High Reliable Electrical Circuits for an Actuator Control Applied to a GEO Satellite (2017.08.25.)

Workplace 

• Korea Aerospace Research Institute (KARI)

Yunjong Park

Personal Information

• Master's degree (M.S.)

• E-mail: pyjj90@naver.com

Thesis 

• Capacitive Sensing IC using Operational Amplifier Sharing Technique with Low-Power and Low-Noise (2017.02.24.)

International Journals

• Yunjong Park, Hyungseup Kim, Youngwoon Ko, Yeongjin Mun, Sangmin Lee, Ji-Hoon Kim, and Hyoungho Ko, "Low Noise CMOS Temperature Sensor with On-chip Calibration," Sensors and Materials, vol. 29, no. 7, pp. 1025-1030, Jul. 2017. 

• Yunjong Park, Hyungseup Kim, Yeongjin Mun, Youngwoon Ko, Dong-il Dan Cho, and Hyoungho Ko, “Low-Power and Low-Noise Capacitive Sensing IC Using Opamp Sharing Technique,” IEEE Sensors Journal, vol. 16, no. 22, pp. 7839-7840, Nov. 2016. 

Honors and Awards

• 제 16회 대한민국 반도체설계대전 은상 (산업통상자원부 장관상), 2015 

Workplace 

• Korea Railroad Corporation (KORAIL)

Youngwoon Ko

Personal Information

• Master's degree (M.S.)

• E-mail: kyw6949@cnu.ac.kr

Thesis 

• 31.6 pJ/Conversion-Step Energy-Efficient 16-bit SAR Capacitance-to-digital Converter in a 0.18-μm CMOS Process (2018.02.23.)

International Journals

• Youngwoon Ko, Hyungseup Kim, Yeongjin Mun, Byeoncheol Lee, Dong-il Dan Cho, and Hyoungho Ko, "164 nW Inverter-based Capacitive Readout IC for Microaccelerometer," Microsystem Technologies, vol. 25, no. 5, pp. 2035-2040, May. 2019. 

• Youngwoon Ko, Hyungseup Kim, Yeongjin Mun, Byeoncheol Lee, Gyungtae Kim, Woo Suk Sul, Boung Ju Lee, and Hyoungho Ko, "31.6 pJ/Conversion-Step Energy-Efficient 16-bit SAR Capacitance-to-Digital Converter in a 0.18-μm CMOS Process," Sensors and Materials, vol. 30, no. 8, pp. 1765-1773, Aug. 2018. 

• Youngwoon Ko, Hyungseup Kim, Yunjong Park, Yeongjin Mun, Dong-il Dan Cho, and Hyoungho Ko, "Low Noise Chopper Stabilized Resistive Readout Integrated Circuit with Ripple Rejection Loop," Sensors and Materials, vol. 29, no. 7, pp. 927-933, Jul. 2017. 

Honors and Awards

• 제 17회 대한민국 반도체설계대전 특별상 (한국발명진흥회 회장상), 2016

Workplace 

• Silicon Works Co., Ltd.

Byungseob Song

Personal Information

• Master's degree (M.S.)

• E-mail: seobi.sb@gmail.com

Thesis 

• Low Power Display System Design by Pattern Recognition Algorithm (2018.02.23.)

Workplace 

• LX Semicon Co., Ltd.

Sukjae Yoon

Personal Information

• Master's degree (M.S.)

• E-mail: sjyoon@dynalith.com

Thesis 

• HDL을 이용한 SATA3 호스트 컨트롤러 설계 (2018.02.23.)

Workplace 

• Dynalith systems

Yeongjin Mun

Personal Information

• Master's degree (M.S.)

• E-mail: yeongjin.mun@abov.co.kr

Thesis 

• Low Noise Delta-Sigma Capacitance-to-Digital Converter with Closed-Loop Chopper Stabilization for Capacitive Microsensors (2018.08.24.)

International Journals

• Yeongjin Mun, Hyungseup Kim, Byeoncheol Lee, Kwonsang Han, Jaesung Kim, Ji-Hoon Kim, Byong-Deok Choi, Dong Kyue Kim, and Hyoungho Ko, "Secure Integrated Circuit with Physical Attack Detection Based on Reconfigurable Top Metal Shield," J. Semicond. Technol. Sci., vol. 19, no. 3, pp. 260-269, June. 2019. 

• Yeongjin Mun, Hyungseup Kim, Youngwoon Ko, Yunjong Park, Kyo-in Koo, Dong-il Dan Cho, and Hyoungho Ko, "Capacitive Analog Front-End Circuit with Dual-Mode Automatic Parasitic Cancellation Loop," Microsystem Technologies, vol. 23, no. 2, pp. 515-523, Feb. 2017. 

Honors and Awards

• 2018 IDEC Congress Chip Design Contest, Best Design Award, 2018

• 제 17회 대한민국 반도체설계대전 특별상 (한국발명진흥회 회장상), 2016

Workplace 

• ABOV Semiconductor Co., Ltd.

Byeoncheol Lee

Personal Information

• Master's degree (M.S.)

• E-mail: leebc@lxsemicon.com

Thesis 

• Sensor Interface Circuit using High Resolution 2nd-order Delta-Sigma Modulator Capacitance-to-Digital Converter (2019.02.25.)

International Journals

• Byeoncheol Lee, Hyungseup Kim, Jaesung Kim, Kwonsang Han, Sangyoun Sin, Gyungtae Kim, Woo Suk Sul, Boung Ju Lee, Sangmin Lee, and Hyoungho Ko, "Low-noise 16-bit First-order Delta-sigma Capacitance-to-digital Converter for Capacitive Humidity Sensor," Sensors and Materials, vol. 31, no. 5, pp. 1523-1533, May. 2019.  

• Byeoncheol Lee, Hyungseup Kim, Jaesung Kim, Kwonsang Han, Dong-il “Dan” Cho, and Hyoungho Ko, "A Low-Power 33 pJ/Conversion-Step 12-bit SAR Resistance-to-Digital Converter for Microsensors," Microsystem Technologies, online published, 2018. 

• Byeoncheol Lee, Youngwoon Ko, Hyungseup Kim, Yeongjin Mun, and Hyoungho Ko, "Low Noise Reconfigurable 12-to-16-bit Delta-Sigma Capacitance-to-Digital Converter with Chopper Stabilization Technique," Sensors and Materials, vol. 30, no. 8, pp. 1671-1679, Aug. 2018. 

Honors and Awards

• 제 26회 한국반도체학술대회 우수포스터상, 2019

• 2018 IDEC Congress Chip Design Contest, Best Design Award, 2018

Workplace 

• LX Semicon Co., Ltd.

Yeontae Kim

Personal Information

• Master's degree (M.S.)

• E-mail: ytkim@idec.or.kr

Thesis 

• Automatic Physical Design with Customized Standard Cell Library Generation (2019.02.25.)

Workplace 

• IC Design Education Center (IDEC)

Taehyun Kim

Personal Information

• Master's degree (M.S.)

• E-mail: thk@nnfc.re.kr

Thesis 

• Infrared Absorption Characteristics of Bolometer with Resistive Hall Array for Wafer Level Vacuum Packaged Temperature Sensor applications (2019.02.25.)

Workplace 

• National NanoFab Center (NNFC)

Sang Hyun Park

Personal Information

• Master's degree (M.S.)

• E-mail: kmc864@nnfc.re.kr

Thesis 

• Study on MEMS micro-hotplate for temperature control of chip-scale atomic clock (2019.02.25.)

Workplace 

• National NanoFab Center (NNFC)

Hyun Yoo 

Personal Information

• Master's degree (M.S.)

• E-mail: hyoo@nnfc.re.kr

Thesis 

• A Study on the characteristics of dark current in single type SiPM (2019.02.25.)

Workplace 

• SK Hynix System IC Inc.

Jong-Woon Park

Personal Information

• Master's degree (M.S.)

• E-mail: zest333@naver.com

Thesis 

• A Study on the Composition of Smart Farm Complex Environment System Using ICT (2019.08.23.)

Workplace 

• NARETRENDS

Jaesung Kim

Personal Information

• Master's degree (M.S.)

• E-mail: j3163.kim@samsung.com

Thesis 

• A 16-channel Chopper-stabilized Multipath Instrumentation Amplifier for Force Sensor (2020.02.25.)

International Journals

• Jaesung Kim, Hyungseup Kim, Kwonsang Han, Donggeun You, Hyunwoo Heo, Yongsu Kwon, Dong-il “Dan” Cho, and Hyoungho Ko, "Low-Noise Chopper-Stabilized Multi-Path Operational Amplifier with Nested Miller Compensation for High-Precision Sensors," Applied Sciences, vol. 10, no. 1, pp. 1-12, Jan. 2020.

• Jaesung Kim, Kwonsang Han, Hyungseup Kim, Byeoncheol Lee, Sangyoun Shin, and Hyoungho Ko, "4.36 fJ/Conversion-Step Ultralow Power 16-bit SAR Capacitance-to-Digital Converter in 0.18-µm CMOS Process," Sensors and Materials, vol. 31, no. 5, pp. 1535-1544, May. 2019.

Honors and Awards

• 제 27회 한국반도체학술대회 CDC 우수설계상, 2020

• 2019 ISOCC Chip Design Contest Best Poster Award

• 제 26회 한국반도체학술대회 우수포스터상, 2019

• 2018 IDEC Congress Chip Design Contest, Best Design Award, 2018

Workplace 

• Samsung Electronics Co., Ltd. 

Kwonsang Han

Personal Information

• Master's degree (M.S.)

• E-mail: hanks@lxsemicon.com

Thesis 

• A 4-channel Low-noise Analog Front-end for Sap Flow Measurement in Plant (2020.02.25.)

International Journals

• Kwonsang Han, Hyungseup Kim, Jaesung Kim, Donggeun You, Hyunwoo Heo, Yongsu Kwon, Junghoon Lee, and Hyoungho Ko, "A 24.88 nV/√Hz Wheatstone Bridge Readout Integrated Circuit with Chopper-Stabilized Multipath Operational Amplifier," Applied Sciences, vol. 10, no. 1, pp. 1-12, Jan. 2020.

• Hyoungho Ko, Hyungseup Kim, Byeoncheol Lee, Jaesung Kim, Dong-il “Dan” Cho, and Kwonsang Han*, "Low Noise Resistive Sensor Interface Circuit with R-C Hybrid SAR ADC," Sensors and Materials, vol. 31, no. 5, pp. 1697-1706, May. 2019.

Honors and Awards

• 제 27회 한국반도체학술대회 CDC 우수설계상, 2020

• 2019 ISOCC Chip Design Contest Best Poster Award

• 제 26회 한국반도체학술대회 우수포스터상, 2019

• 2018 IDEC Congress Chip Design Contest, Best Design Award, 2018

Workplace 

• LX Semicon Co., Ltd.

Sangyoun Shin

Personal Information

• Doctor of Philosophy  (Ph.D.)

• E-mail: miko153@naver.com

Thesis 

• 달 탐사용 다기능 스테레오 카메라 기반 지상 검증 모델의 개발 및 분석 (2020.02.25.)

Workplace 

• Korea Aerospace Research Institute (KARI)

Seunghwan Ji 

Personal Information

• Master's degree (M.S.)

• E-mail: sofresh1004@naver.com

Thesis 

• 10-bit DAC design method to increase area efficiency by using interpolation buffer in OLED display source driver (2020.02.25.)

Workplace 

• Samsung Electronics Co., Ltd. 

Donggeun You

Personal Information

• Master's degree (M.S.)

• E-mail: donggeun.you@abov.co.kr

Thesis 

• Cardiac Electrogram Acquisition and Stimulation Integrated Circuit for Leadless Pacemaker Applications (2021.02.25.)

International Journals

• Donggeun You, Hyunwoo Heo, Hyungseup Kim, Yongsu Kwon, Sangmin Lee, and Hyoungho Ko, "Power Line Interference Reduction Technique with Current-Reused Current-Feedback Instrumentation Amplifier for ECG Recording," Applied Sciences, vol. 10, no. 23, pp. 1-12, Nov. 2020. 

• Donggeun You, Hyungseup Kim, Jaesung Kim, Kwonsang Han, Hyunwoo Heo, Yongsu Kwon, Gyungtae Kim, Woo Suk Sul, Jong Won Lee, Boung Ju Lee, and Hyoungho Ko, "Low-Noise Multimodal Reconfigurable Sensor Readout Circuit for Voltage / Current / Resistive / Capacitive Microsensors," Applied Sciences, vol. 10, no. 1, pp. 1-15, Jan. 2020.

International Conferences

• Donggeun You, Hyunwoo Heo, Hyungseup Kim, Yongsu Kwon, Sangmin Lee, and Hyoungho Ko, “A Current Feedback Instrumentation Amplifier with Current Reuse and Power Line Interference Mitigation Technique for ECG Recording,” International SoC Design Conference (ISOCC), pp. 224-225, Oct. 21-24, 2020.

Patent

• 조동일, 고형호, 허현우, 유동근, "전류를 재사용하는 저전력 계측 증폭기 및 이에 포함되는 완전 차동 차분 증폭기 (Current-reuse low power instrumentation amplifier and fully differential differential amplifiers included therein)," 서울대학교 산학협력단, 충남대학교 산학협력단, 등록일자 : 2020년 09월 22일, 등록번호 : 제 1021606730000호, 등록국가 : 한국.

Honors and Awards 

• 제 27회 한국반도체학술대회 CDC 우수설계상, 2020

• 2019 ISOCC Chip Design Contest Best Poster Award

Workplace 

• ABOV Semiconductor Co., Ltd.

Hyunwoo Heo

Personal Information

• Master's degree (M.S.)

• E-mail: hw.heo@lxsemicon.com

Thesis 

• A Nanoresonator Sensor Analog Front-end for Liquid Density and Viscosity Measurement (2021.02.25.)

International Journals

• Hyunwoo Heo, Hyungseup Kim, Donggeun You, Yongsu Kwon, Dong-il “Dan” Cho, and Hyoungho Ko, "Chopper-Stabilized Multipath Instrumentation Amplifier with Output Voltage Offset Compensation Using R-2R DAC," Sensors and Materials, vol. 33, no. 8, pp. 2709-2718, Aug. 2021.

• Hyunwoo Heo, Hyungseup Kim, Donggeun You, Yongsu Kwon, Yil-suk Yang, Junghoon Lee,  and Hyoungho Ko, "PLL-based Nanoresonator Driving IC with Automatic Parasitic Capacitance Cancellation and Automatic Gain Control," Measurement and Control, online published, Jul. 2021. 

• Hyunwoo Heo, Kwonsang Han, Hyungseup Kim, Jaesung Kim, Donggeun Yoo, Yongsu Kwon, Hyunjoong Lee, and Hyoungho Ko, "Nanoresonator IC with Motional Resistance Sensing for Continuous Blood Glucose Monitoring," Sensors and Materials, vol. 32, no. 6, pp. 2215-2226, Jan. 2020. 

International Conferences

• Hyunwoo Heo, Hyungseup Kim, Donggeun You, Yongsu Kwon, Yil-suk Yang, and Hyoungho Ko, “Phase-Locked Loop-Based Nanoresonator Integrated Circuit for Motional Resistance Sensing with Automatic Gain Control,” International SoC Design Conference (ISOCC), pp. 226-227, Oct. 21-24, 2020.

Patent

• 조동일, 고형호, 허현우, 유동근, "전류를 재사용하는 저전력 계측 증폭기 및 이에 포함되는 완전 차동 차분 증폭기 (Current-reuse low power instrumentation amplifier and fully differential differential amplifiers included therein)," 서울대학교 산학협력단, 충남대학교 산학협력단, 등록일자 : 2020년 09월 22일, 등록번호 : 제 1021606730000호, 등록국가 : 한국.

Honors and Awards 

• 제 27회 한국반도체학술대회 CDC 우수설계상, 2020

• 2019 ISOCC Chip Design Contest Best Poster Award

Workplace 

• LX Semicon Co., Ltd.

Taeyoon Eom

Personal Information

• Master's degree (M.S.)

• E-mail: taeyoon32@o.cnu.ac.kr

Thesis 

• A Compact Weather Sensor Node for Predicting Road Surface Temperature (2021.02.25.)

International Journals

• Taeyoon Eom, Yongsu Kwon, and Hyoungho Ko, "A Compact Weather Sensor Node for Predicting Road Surface Temperature," Sensors and Materials, vol. 33, no. 8, pp. 2763-2771, Aug. 2021.

Workplace 

• Korea Institute of Science and Technology Information (KISTI)

Yongsu Kwon

Personal Information

• Master's degree (M.S.)

• E-mail: yskwon@lxsemicon.com

Thesis 

• Low-noise Resistive Bridge Sensor Analog Front-end using Chopper-Stabilized Multipath Current Feedback Instrumentation Amplifier (2021.08.25.)

International Journals

• Yongsu Kwon, Hyungseup Kim, Jaesung Kim, Kwonsang Han, Donggeun You, Hyunwoo Heo, Dong-il “Dan” Cho and Hyoungho Ko, "Fully Differential Chopper-Stabilized Multi-Path Current-Feedback Instrumentation Amplifier with R-2R DAC Offset Adjustment for Resistive Bridge Sensors," Applied Sciences, vol. 10, no. 1, pp. 1-9, Jan. 2020.

International Conferences

• Yongsu Kwon, Hyungseup Kim, Donggeun You, Hyunwoo Heo, Sangmin Lee, and Hyoungho Ko, “A 28.4 nV/√Hz Chopper Stabilized Current Feedback Instrumentation Amplifier with Auto Offset Calibration DAC for Resistive Bridge Sensor,” International SoC Design Conference (ISOCC), pp. 228-229, Oct. 21-24, 2020. 

Honors and Awards 

• 2021 IDEC Congress Chip Design Contest, Best Design Award, 2021

• 제 27회 한국반도체학술대회 CDC 우수설계상, 2020

• 2019 ISOCC Chip Design Contest Best Poster Award

Workplace 

• LX Semicon Co., Ltd.

Hyungseup Kim

Personal Information

• Doctor of Philosophy  (Ph.D.)

• E-mail: hyungseup.kim@samsung.com, hanafos24@cnu.ac.kr, hyungseup@cnu.ac.kr

Thesis 

• Low-Noise Chopper-Stabilized Multipath IA with Dual Ripple Rejection Loops and Automatic Base Current Cancelled BJT Input Stage (2022.02.25.)

International Journals

• Hyungseup Kim, Yongsu Kwon, Donggeun You, Hyun-Woong Choi, Seong Hyun Kim, Hyunwoo Heo, Choul-Young Kim, Hi-Deok Lee, and Hyoungho Ko, "Low-Noise Chopper Amplifier Using Lateral PNP Input Stage With Automatic Base Current Cancellation," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 7, pp. 2297-2301, Jul. 2021. 

• Hyungseup Kim, Kwonsang Han, Jaesung Kim, Donggeun You, Hyunwoo Heo, Yongsu Kwon, Choul-Young Kim, Hi-Deok Lee and Hyoungho Ko, "Chopper-Stabilized Low-Noise Multipath Operational Amplifier With Dual Ripple Rejection Loops," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 67, no. 11, pp. 2427-2431, Nov. 2020.

• Hyungseup Kim, Yongsu Kwon, Donggeun You, Hyun-Woong Choi, Seong Hyun Kim, Hyunwoo Heo, Choul-Young Kim, Hi-Deok Lee  and Hyoungho Ko, "A 5.43 nV/√Hz Chopper Operational Amplifier Using Lateral PNP Input Stage with BJT Current Mirror Base Current Cancellation," Applied Sciences, vol. 10, no. 23, pp. 1-9, Nov. 2020.

• Hyungseup Kim, Byeoncheol Lee, Jaesung Kim, Kwonsang Han, Hyoungho Ko Dong Kyue Kim, Byong-Deok Choi and Ji-Hoon Kim, "Secure Circuit with Low-power On-chip Temperature Sensor for Detection of Temperature Fault Injection Attacks," Sensors and Materials, vol. 31, no. 5, pp. 1375-1386, May. 2019.

• Hyungseup Kim, Byeoncheol Lee, Youngwoon Ko, Yeongjin Mun, Yi-Gyeong Kim, Hyunjoong Lee and Hyoungho Ko, "Low-Phase-Noise Self-Sustaining Amplifier IC with Parallel Capacitance Cancellation for Low-Q Piezoelectric Resonator," Microsystem Technologies, vol. 25, no. 5, pp. 2041-2050, May. 2019.

• Hyungseup Kim, Byeoncheol Lee, Yeongjin Mun,  Jaesung Kim, Kwonsang Han, Youngtaek Roh, Dongkyu Song, Seounghoon Huh and Hyoungho Ko, "Reconfigurable Sensor Analog Front-End Using Low-Noise Chopper-Stabilized Delta-Sigma Capacitance-to-Digital Converter," Micromachines, vol. 9, no. 7, pp. 1-16, Jul. 2018.

• Hyungseup Kim, Youngwoon Ko, Yeongjin Mun, Byeoncheol Lee, Dong Kyue Kim, Byong-Deok Choi, Ji-Hoon Kim and Hyoungho Ko, "Secure circuit with optical energy harvesting against unpowered physical attacks," Computers & Electrical Engineering, vol. 70, pp. 74-82, Jun. 2018. 

• Hyungseup Kim, Yunjong Park, Youngwoon Ko, Yeongjin Mun, Sangmin Lee, and Hyoungho Ko, "Biosignal Integrated Circuit with Simultaneous Acquisition of ECG and PPG for Wearable Healthcare Applications," Technology and Healthcare, vol. 26, no. 1, pp. 3-9, Mar. 2018.

International Conferences

• Hyungseup Kim, Haryong Song, Yunjong Park, and Hyoungho Ko, “Low Noise Resistive Analog Front-End with Automatic Offset Calibration Loop,” International SoC Design Conference (ISOCC), 2015, pp.231-232.

Patent

• 노호성, 고형호, 김형섭, "증폭기의 입력 회로 (INPUT CIRCUIT OF AMPLIFIER)," 삼성전자 주식회사, 충남대학교 산학협력단,  출원일자 : 2020년 11월 24일, 출원번호 : 1020200158879, 등록국가 : 한국.

Honors and Awards

• 2021 IDEC Congress Chip Design Contest, Best Design Award, 2021

• 제 27회 한국반도체학술대회 CDC 우수설계상, 2020

• 2019 ISOCC Chip Design Contest Best Poster Award

• 제 26회 한국반도체학술대회 우수포스터상, 2019

• 2018 IDEC Congress Chip Design Contest, Best Design Award, 2018

• 제 16회 대한민국 반도체설계대전 은상 (산업통상자원부 장관상), 2015

Workplace 

• Samsung Display Co., Ltd.

Kyeongsik Nam

Personal Information

• Master's degree (M.S.)

• E-mail: ksnam@o.cnu.ac.kr

Thesis

• Readout IC for Two-Electrode ECG Recording with Common-Mode Charge Pump Using Window Comparator Tolerance to 20-VPP Common Mode Interference (2023.02.25.)

International Journals

• Kyeongsik Nam, Gyuri Choi, Mookyoung Yoo, Sanggyun Kang, Beongkwan Jin, Hyeoktae Son, Kyounghwan Kim, and Hyoungho Ko, "A low-noise and mismatch-tolerant current-mirror-based potentiostat circuit for glucose monitoring", Microelectronics, vol. 132, pp. 1-9, Jan. 2023.

• Kyeongsik Nam, Gyuri Choi, Mookyoung Yoo, Sanggyun Kang, Beongkwan Jin, Hyeoktae Son, Kyounghwan Kim, and Hyoungho Ko, "Low-Noise, Low-Power Readout IC for Two-Electrode ECG Recording Using Common Mode Charge Pump for Robust 20-VPP Common Mode Interference", Applied Sciences, vol. 12, no. 24, pp. 1-15, Dec. 2022.

• Kyeongsik Nam, Gyuri Choi, Hyungseup Kim, Mookyoung Yoo, and Hyoungho Ko, "A Potentiostat Readout Circuit with a Low-noise and Mismatch-tolerant Current Mirror using Chopper Stabilization and Dynamic Element Matching for Electrochemical Sensors," Applied Sciences, vol. 11, no. 18, pp. 1-11, Sep. 2021.

• Kyeongsik Nam, Hyungseup Kim, Yongsu Kwon, Gyuri Choi, Taeyup Kim, Chulhong Kim, Dongil Dan Cho, Junghoon Lee, and Hyoungho Ko, "A Four-channel Low-noise Readout IC for Air Flow Measurement using Hot Wire Anemometer in 0.18μm CMOS Technology," Sensors, vol. 21, no. 14, pp. 1-16, Jul. 2021.

Honors and Awards 

• 2021 IDEC Congress Chip Design Contest, Best Design Award, 2021

Workplace 

• LX Semicon Co., Ltd.

Gyuri Choi 

Personal Information

• Master's degree (M.S.)

• E-mail: cyeakl@o.cnu.ac.kr

Thesis

• Low-noise Multipath Amplifier using SAR-assisted Auto Offset Calibration Loop (2023.02.25.)

International Journals

• Gyuri Choi, Kyeongsik Nam, Mookyoung Yoo, Sanggyun Kang, Beongkwan Jin, Kyounghwan Kim, Hyeoktae Son, and Hyoungho Ko, "Low-Noise Potentiostat Readout Circuit with a Chopper Fully Differential Difference Amplifier for Glucose Monitoring", Applied Sciences, vol. 12, no. 22, pp. 1-11, Nov. 2022.

• Gyuri Choi, Kyeongsik Nam, Mookyoung Yoo, Sanggyun Kang, Beongkwan Jin, Kyounghwan Kim, Hyeoktae Son, and Hyoungho Ko, "Current-Feedback Instrumentation Amplifier Using Dual-Chopper Fill-in Technique", Applied Sciences, vol. 12, no. 20, pp. 1-14, Oct. 2022.

• Gyuri Choi, Hyunwoo Heo, Donggeun You, Hyungseup Kim, Kyeongsik Nam, Mookyoung Yoo, Sangmin Lee, and Hyoungho Ko, "A Low-power, Low-noise Resistive Bridge Microsensor Readout Circuit with Chopper Stabilized Recycling Folded Cascode Instrumentation Amplifiers," Applied Sciences, vol. 11, no. 17, pp. 1-13, Aug. 2021.

• Gyuri Choi, Donggeun You, Hyunwoo Heo, Hyungseup Kim, Yongsu Kwon, Kyeongsik Nam, Sangmin Lee, and Hyoungho Ko, "Current-Reused Current Feedback Instrumentation Amplifier for Low Power Leadless Pacemakers," IEEE Access, vol. 9, pp. 113748-113758, Aug. 2021.

Honors and Awards 

• 2021 IDEC Congress Chip Design Contest, Best Design Award, 2021

Workplace 

• LG Electronics Co., Ltd.

Sanggyun Kang

Personal Information

• Master's degree (M.S.)

• E-mail: skang@o.cnu.ac.kr

Thesis

• PVT Variation-Tolerant Readout IC for Three-Electrode Electrochemical Sensors (2024.02.23.)

International Journals

• Sanggyun Kang, Beongkwan Jin, Mookyoung Yoo, Hyeoktae Son, Kyounghwan Kim, Jihyang Wi, Gibae Nam, Namho Bae, Yoomin Park, Junho Jang, and Hyoungho Ko, "Low-Noise and Process Variation-Tolerant Readout Circuit for Electrochemical Sensors", IEEE Sensors Journal,Early access, 1-12, May 2024.

Honors and Awards 

• 충남대학교 학술연구 우수연구상. 2024

Workplace 

• ABOV Semiconductor Co., Ltd.

Byeongkwan Jin

Personal Information

• Master's degree (M.S.)

• E-mail: bkjin@o.cnu.ac.kr

Thesis

• Second-Order Delta-Sigma Modulator Based on Differential Difference Amplifier without Input Buffer (2024.02.23.)

Workplace 

• Samsung Electronics Co., Ltd.