Publications

International Journals

2024

• Woojin Ahn, Kim-Hoang Nguyen, Hoseung Lee, Kyou Sik Min, Sohmyung Ha, and Minkyu Je, "An Energy-Efficient Stimulation System Based on Adaptive Dynamic Voltage Switching Control for Cochlear Implants", IEEE Transactions on Biomedical Circuits and Systems (TBCAS), early access, Nov. 13, 2024.

• Haidam Choi†, Song-I Cheon†, Gichan Yun, Sein Oh, Ji-Hoon Suh, Sohmyung Ha, and Minkyu Je, "A Bio-Impedance Readout IC With Complex-Domain Noise-Correlated Baseline Cancellation", IEEE Journal of Solid-State Circuits (JSSC), Nov. 2024.

• Kim-Hoang Nguyen, Quyet Nguyen, Quynh-Trang Nguyen, Thanh-Tung Vu, Woojin Ahn, Loan Pham-Nguyen, Hanh-Phuc Le, and Minkyu Je, "A Fully Integrated Dynamic-Voltage-Scaling Stimulator IC for Cochlear Implants", IEEE Solid-State Circuits Letters (SSCL), Sep. 2024.

• Sein Oh and Minkyu Je, "Process-Scalable and Low-Power Amplifiers: Progress and Prospects in Dynamic Amplifier Research", IEEE Solid-State Circuits Magazine (SSCM), Summer 2024.

• Hyeonseok Han, Hyunwoo Park, Seokjoo Cho, Sung-Uk Lee, Jungrak Choi, Ji-Hwan Ha, Jaeho Park, Young Jung, Hyunjin Kim, Junseong Ahn, Yeong Jae Kwon, Yong Suk Oh, Minkyu Je, and Inkyu Park, "Battery-Free, Wireless Multi-Modal Sensor, and Actuator Array System for Pressure Injury Prevention", Small, Aug. 2024.

• Donghyun Youn†, Youngin Kim†, Injun Choi, Yoontae Jung, Hyuntak Jeon, Kyungtae Lee, Soon-Jae Kweon, Sohmyung Ha, and Minkyu Je, "A Wide-Dynamic-Range, DC-Coupled, Time-Based Neural-Recording IC with Optimized CCO Frequency", IEEE Access, Jul. 2024.

• Donghyeon Yi, Seoyoung Lee, Injun Choi, Gichan Yun, Edward Jongyoon Choi, Jonghee Park, Jonghoon Kwak, Sung-Joon Jang, Sohmyung Ha, Ik-Joon Chang, and Minkyu Je, "Skew-CIM: Process-Variation-Resilient and Energy-Efficient Computation-in-Memory Design Technique With Skewed Weights", IEEE Transactions on Circuits and Systems I: Regular papers (TCAS-I), May 2024.

• Yoontae Jung†, Sein Oh†, Sohmyung Ha, and Minkyu Je, “A 187-dB FoMS Power-Efficient Second-Order Highpass ΔΣ Capacitance-to-Digital Converter”, IEEE Journal of Solid-State Circuits (JSSC), Apr. 2024.

• Gichan Yun, Kyeongwon Jeong, Haidam Choi, Seunghyun Nam, Chaerin Oh, Hyunjoo Jenny Lee, Sohmyung Ha, and Minkyu Je, "An Ultrasound Receiver with Bandwidth-enhanced Current Conveyor and Element-level Ultrasound Transmitter for Ultrasound Imaging Systems", IEEE Solid-State Circuits Letters (SSCL), Feb. 2024.

• Song-I Cheon†, Haidam Choi†, Hyoju Kang, Ji-Hoon Suh, Seonghyun Park, Soon-Jae Kweon, Minkyu Je, and Sohmyung Ha, "Impedance-Readout Integrated Circuits for Electrical Impedance Spectroscopy: Methodological Review", IEEE Transactions on Biomedical Circuits and Systems (TBCAS), Feb. 2024.

• Kyeongwon Jeong, Sohmyung Ha, and Minkyu Je, "A 15.4-ENOB, Fourth-Order Truncation-Error-Shaping NS-SAR-Nested ΔΣ Modulator With Boosted Input Impedance and Range for Biosignal Acquisition", IEEE Journal of Solid-State Circuits (JSSC), Feb. 2024.

2023

• Chongsoo Jung, Hoyong Seong, Injun Choi, Sohmyung Ha and Minkyu Je, "A Process-Scalable Ultra-Low-Voltage Sleep Timer With a Time-Domain Amplifier and a Switch-Less Resistance Multiplier", IEEE Journal of Solid-State Circuits (JSSC), Oct. 2023.

• Hyunwoo Park, Kyuyoung Kim, Soon-Jae Kweon, Osman Gul, Jungrak Choi, Yong Suk Oh, Inkyu Park, and Minkyu Je, "A Wireless and Wearable Body-Pressure-Monitoring System for the Prevention of Pressure-Induced Skin Injuries", IEEE Transactions on Biomedical Circuits and Systems (TBCAS), Jun. 2023.

• Kyeongwon Jeong, Gichan Yun, Jaesuk Choi, Injun Choi, Jeehoon Son, Jae Youn Hwang, Sohmyung Ha, and Minkyu Je, "A Wide-Bandwidth Ultrasound Receiver and On-Chip Ultrasound Transmitter for Ultrasound Capsule Endoscopy", IEEE Journal of Solid-State Circuits (JSSC), Oct. 2023.

• Taeju Lee, and Minkyu Je, "Trend Investigation of Biopotential Recording Front-End Channels for Invasive and Non-Invasive Applications", arXiv:2305.13463, May 2023.

• Hyungjoo Cho, Ji-Hoon Suh, Gichan Yun, Sohmyung Ha, and Minkyu Je, "An Intra-Body Power Transfer System with Continuous Maximum Resonant Power Tracking", IEEE Solid-State Circuits Letters (SSCL), Apr. 2023.

• Ji-Hoon Suh, Haidam Choi, Yoontae Jung, Sein Oh, Hyungjoo Cho, Nahmil Koo, Seong Joong Kim, Chisung Bae, Sohmyung Ha, and Minkyu Je, "A 16-channel Impedance-Readout IC with Synchronous Sampling and Baseline Cancellation for Fast Neural Electrical Impedance Tomography", IEEE Solid-State Circuits Letters (SSCL), Apr. 2023.

• Seokjoo Cho, Hyeonseok Han, Hyunwoo Park, Sung-Uk Lee, Jae-Hwan Kim, Sung Woo Jeon, Mengqiu Wang, Raudel Avila, Zhaoqian Xi, Kabseok Ko, Minsu Park, Jungyup Lee, Myungwoo Choi, Je-Sang Lee, Weon Gi Min, Byeong-Ju Lee, Soyeong Lee, Jungrak Choi, Jimin Gu, Jaeho Park, Min Seong Kim, Junseong Ahn, Osman Gul, Chankyu Han, Gihun Lee, Seunghwan Kim, Kyuyoung Kim, Jeonghyun Kim, Chang-Mo Kang, Jahyun Koo, Sung Soo Kwak, Sungbong Kim, Dong Yun Choi, Seokwoo Jeon, Hyung Jin Sung, Yong Bae Park, Minkyu Je, Young Tae Cho, Yong Suk Oh, Inkyu Park, "Wireless, multimodal sensors for continuous measurement of pressure, temperature, and hydration of patients in wheelchair", nature partner journal (npj) Flexible Electronics, Feb. 2023.

• Donghee Cho, Hyungjoo Cho, Sein Oh, Yoontae Jung, Sohmyung Ha, Chul Kim, and Minkyu Je, "A High-Efficiency Single-Mode Dual-Path Buck-Boost Converter With Reduced Inductor Current", IEEE Journal of Solid-State Circuits (JSSC), Mar. 2023.

2022

• Song-I Cheon, Soon-Jae Kweon, Aida Aberra, Minkyu Je, and Sohmyung Ha, "Optimal Parameter Design of DAC-based Sinusoidal Signal Generators for Electrical Impedance Spectroscopy", IEEE Transaction on Instrumentation and Measurement (TIM), Dec. 2022.

• Hyungjoo Cho, Ji-Hoon Suh, Chul Kim, Sohmyung Ha, and Minkyu Je, "An Intra-Body Power Transfer System With >1-mW Power Delivered to the Load and 3.3-V DC Output at 160-cm of on-Body Distance" IEEE Transactions on Biomedical Circuits and Systems (TBCAS), Oct. 2022.

• Edward Jongyoon Choi, Injun Choi, Chanhee Jeon, Gichan Yun, Donghyeon Yi, Sohmyung Ha, Ik-Joon Chang, and Minkyu Je, "SRAM-Based Computing-in-Memory Macro With Fully Parallel One-Step Multibit Computation" IEEE Solid-State Circuits Letters (SSCL), Sep. 2022.

• Wooseok Byun, Minkyu Je and Ji-Hoon Kim, "An Energy-Efficient Domain-Specific Reconfigurable Array Processor With Heterogeneous PEs for Wearable Brain–Computer Interface SoCs" IEEE Transactions on Circuits and Systems I: Regular papers (TCAS-I), Aug. 2022.

• Unbong Lee, Wanyeong Jung, Sohmyung Ha, Minkyu Je, "An Auto-reconfigurable Multi-output Regulating Switched-capacitor DC-DC Converter for Wireless Power Reception and Distribution in Multi-unit Implantable Devices" IEEE Open Journal of the Solid-State Circuits Society (OJ-SSCS), Aug. 2022.

• Yoontae Jung, Soon-Jae Kweon, Hyuntak Jeon, Injun Choi, Jimin Koo, Mi kyung Kim, Hyunjoo Jenny Lee, Sohmyung Ha, and Minkyu Je, "A Wide-Dynamic-Range Neural-Recording IC With Automatic-Gain-Controlled AFE and CT Dynamic-Zoom ΔΣ ADC for Saturation-Free Closed-Loop Neural Interfaces" IEEE Journal of Solid-State Circuits (JSSC), Jul. 2022.

• Kyeongwon Jeong, Yoontae Jung, Gichan Yun, Donghyun Youn, Yehhyun Jo, Hyunjoo Jenny Lee, Sohmyung Ha and Minkyu Je, "A PVT-Robust AFE-Embedded Error-Feedback Noise-Shaping SAR ADC with Chopper-Based Passive High-Pass IIR Filtering for Direct Neural Recording." IEEE Transactions on Biomedical Circuits and Systems (TBCAS), Jul. 2022.

• Woojin Ahn, Doohee Kim, Jonghyeok Park, Joeng Hoan Park, Taeju Lee, Kyeongwon Jeong, Kyou Sik Min, Hoseung Lee and Minkyu Je. "A Reconfigurable Neural Stimulation IC with a High-Resolution Strength Control and In-Situ Neural Recording Function for Cochlear Implant Systems." IEEE Solid-State Circuits Letters (SSCL), May 2022.

• Wooseok Byun, Minkyu Je and Ji-Hoon Kim "Advances in Wearable Brain-Computer Interfaces from an Algorithm-Hardware Co-Design Perspective." IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), Jul. 2022.

• Yoontae Jung, Soon-Jae Kweon, Taeju Lee, Kyeongwon Jeong, Sohmyung Ha and Minkyu Je, "Dynamic-Range-Enhancement Techniques for Artifact-Tolerant Biopotential-Acquisition ICs." IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), May 2022.

• Soon-Jae Kweon, Ayesha Kajol Rafi, Song-I Cheon, Minkyu Je and Sohmyung Ha. "On-chip Sinusoidal Signal Generators for Electrical Impedance Spectroscopy: Methodological Review." IEEE Transactions on Biomedical Circuits and Systems (TBCAS), Apr. 2022.

• Injun Choi, Edward Jongyoon Choi, Donghyeon Yi, Yoontae Jung, Hoyong Seong, Hyuntak Jeon, Soon-Jae Kweon, Ik-Joon Chang, Sohmyung Ha and Minkyu Je. "An SRAM-Based Hybrid Computation-in-Memory Macro Using Current-Reused Differential CCO." IEEE Journal on Emerging and Selected Topics in Circuits and Systems (JETCAS), Apr. 2022.

• Song-I Cheon, Soon-Jae Kweon, Youngin Kim, Jimin Koo, Sohmyung Ha and Minkyu Je. "An Impedance Readout IC with Ratio-Based Measurement Techniques for Electrical Impedance Spectroscopy." Sensors, Feb. 2022.

• Taeju Lee, Mi Kyung Kim, Hyunjoo Jenny Lee and Minkyu Je. "A multimodal neural-recording IC with reconfigurable analog front-ends for improved availability and usability for recording channels." IEEE Transactions on Biomedical Circuits and Systems (TBCAS), Jan. 2022.

2021

• Arup K George, Wooyoon Shim, Jaeha Kung, Ji-Hoon Kim, Minkyu Je and Junghyup Lee. "A 46-nF/10-MΩ Range 114-aF/0.37-Ω Resolution Parasitic-and Temperature-Insensitive Reconfigurable RC-to-Digital Converter in 0.18-μm CMOS." IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I), Dec. 2021.

• Yechan Park, Seok-Tae Koh, Jeongeun Lee, Hongkyun Kim, Jaesuk Choi, Sohmyung Ha, Chul Kim and Minkyu Je. "A Wireless Power and Data Transfer IC for Neural Prostheses Using a Single Inductive Link With Frequency-Splitting Characteristic." IEEE Transactions on Biomedical Circuits and Systems (TBCAS), Dec. 2021.

• Song-I Cheon, Soon-Jae Kweon, Youngin Kim, Jimin Koo, Sohmyung Ha and Minkyu Je, "A Polar-demodulation-based Impedance-measurement IC Using Frequency-shift Technique with Low Power Consumption and Wide Frequency Range." IEEE Transactions on Biomedical Circuits and Systems (TBCAS), Dec. 2021

• Soon-Jae Kweon, Woojin Yun, Hyunwoo Park, Jeong-Ho Park, Jung Hoon Lee, Jin Lee, Minkyu Je, Sohmyung Ha and Choul-Young Kim "A Precise Lesion Localization System Using a Magnetometer With Real-Time Baseline Cancellation for Laparoscopic Surgery." IEEE Access, Sep. 2021.

• Xu Liu, Juzhe Li, Tao Chen, Wensi Wang and Minkyu Je. "A Neural Recording and Stimulation Chip with Artifact Suppression for Biomedical Devices." Journal of Healthcare Engineering, Aug. 2021

• Taeju Lee, Jee-Ho Park, Namsun Chou, Seong-Jin Kim and Minkyu Je. "A multimodal neural activity readout integrated circuit for recording fluorescence and electrical signals." IEEE Access, Aug. 2021

• Kyungsoo Kim, Seung-Jun Yoo, So Yeon Kim, Taeju Lee, Sung-Ho Lim, Jae-Eun Jang, Minkyu Je, Cheil Moon and Ji-Woong Choi, "Subthreshold electrical stimulation as a low power electrical treatment for stroke rehabilitation," Scientific Reports, Jul. 2021.

• Moojune Song, Min Gyu Park, San Ko, Sung Kyu Jang, Minkyu Je and Kab-Jin Kim, "Logic Device Based on Skyrmion Annihilation," IEEE Transactions on Electron Devices (T-ED), Apr. 2021.

• Taeju Lee and Minkyu Je, "Multimodal Neural Interface Circuits for Diverse Interaction With Neuronal Cell Population in Human Brain," IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), Feb. 2021.

• Jaesuk Choi, Sangyeon Youn, Jae Youn Hwang, Sohmyung Ha, Chul Kim and Minkyu Je, "Energy-Efficient High-Voltage Pulsers for Ultrasound Transducers," IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), Jan. 2021.

2020

• Hongseok Shin, Jinuk Kim, Doojin Jang, Donghee Cho, Yoontae Jung, Hyungjoo Cho, Unbong Lee, Chul Kim, Sohmyung Ha and Minkyu Je, "An Energy-Efficient Three-Stage Amplifier Achieving a High Unity-Gain Bandwidth for Large Capacitive Loads Without Using a Compensation Zero," IEEE Solid-State Circuits Letters (SSCL), Nov. 2020.

• Taeju Lee and Minkyu Je, "Multimodal Neural Interface Circuits for Diverse Interaction With Neuronal Cell Population in Human Brain," IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), Feb. 2021.

• Taeju Lee and Minkyu Je, "Double-High-Pass-Filter-Based Electrical-Recording Front-Ends and Fluorescence-Recording Front-Ends for Monitoring Multimodal Neural Activity," IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), May 2020.

• Soonyoung Hong, Sehwan Lee, Junghyup Lee, and Minkyu Je, "A Multi-Mode ULP Receiver Based on an Injection-Locked Oscillator for IoT Applications," IEEE Access, Apr. 2020.

• Hyuntak Jeon, Injun Choi, Soon-Jae Kweon, and Minkyu Je, "A Power-Efficient Radiation Sensor Interface with a Peak-Triggered Sampling Scheme for Mobile Dosimeters" Sensors, Jun. 2020.

• Hyuntak Jeon, Inyong Kwon, and Minkyu Je, "Radiation-Hardened Sensor Interface Circuit for Monitoring Severe Accidents in Nuclear Power Plants," IEEE Transactions on Nuclear Science (TNS), Jul. 2020.

• Hyuntak Jeon, Jun-Suk Bang, and Minkyu Je, "A CMRR Enhancement Circuit Employing Gₘ-Controllable Output Stages for Capacitively Coupled Instrumentation Amplifiers," IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), Sep. 2020.

• Junghyup Lee, Arup K. George, and Minkyu Je, "An Ultra-Low-Noise Swing-Boosted Differential Relaxation Oscillator in 0.18-μm CMOS," IEEE Journal of Solid-State Circuits (JSSC), Sep. 2020.

• Soonyoung Hong, Arup K.George, Donggu Im, Minkyu Je, and Junghyup Lee, "A 1.0 V, 5.4 pJ/bit GFSK Demodulator Based on an Injection Locked Ring Oscillator for Low-IF Receivers," IEEE Access, Oct. 2020.

• Sounghun Shin†, Yoontae Jung†, Soon-Jae Kweon, EunseokLee, Jeong-Ho Park, Jinuk Kim, Hyung-JounYoo, and Minkyu Je, “Design of Reconfigurable Time-to-Digital Converter Based on Cascaded Time Interpolators for Electrical Impedance Spectroscopy,” Sensors, Apr. 2020. (†: equally contributed authors)

2019

• Mi Kyung Kim, Hyuntak Jeon, Hyunjoo J. Lee, and Minkyu Je, "Plugging Electronics Into Minds: Recent Trends and Advances in Neural Interface Microsystems," IEEE Solid-State Circuits Magazine (SSC-M), vol. 11, no. 4, pp. 29-42, Fall 2019.

• Hyuntak Jeon, Jun-Suk Bang, Yoontae Jung, Injun Choi, and Minkyu Je, "A High DR, DC-Coupled, Time-Based Neural-Recording IC With Degeneration R-DAC for Bidirectional Neural Interface," IEEE Journal of Solid-State Circuits (JSSC), vol. 54, no. 10, pp. 2658-2670, Oct. 2019.

• Sewoong Kim, Jihun Kim, Minjoo Hwang, Manjae Kim, Seong Jin Jo, Minkyu Je, Jae Eun Jang, Dong Hun Lee, and Jae Youn Hwang, “Smartphone-based multispectral imaging and machine-learning based analysis for discrimination between seborrheic dermatitis and psoriasis on the scalp,” Biomedical Optics Express, vol. 10, no. 2, pp. 879–891, Feb. 2019 .

• Taeju Lee, Soonyoung Hong, Chongsoo Jung, Junghyup Lee, and Minkyu Je, “A 1-V 4.6-μW/channel Fully Differential Neural Recording Front-end IC with Current-controlled Pseudoresistor in 0.18-μm CMOS,” Journal of Semiconductor Technology and Science (JSTS), vol. 19, no. 1, pp. 30–41, Feb. 2019.

2018

• Seong-Jin Kim, Su-Hyun Han, Ji-Hyoung Cha, Lei Liu, Lei Yao, Yuan Gao, and Minkyu Je, “A Sub-µW/Ch Analog Front-End for Δ-Neural Recording WithSpike-Driven Data Compression,” IEEE Transactions on Biomedical Circuits and Systems (TBCAS), vol. 13, no. 1, pp. 1-14, Nov. 2018.

• Xu Liu, Lei Yao, Kian Ann Ng, Peng Li, Wensi Wang, Minkyu Je, and Yong Ping Xu, “A power‐efficient current‐mode neural/muscular stimulator design for peripheral nerve prosthesis,” International Journal of Circuit Theory and Applications (IJCTA), vol. 46, no. 4, pp. 692–706, Feb. 2018.

• Yeseul Jeon, Heegon Kim, Joungho Kim, and Minkyu Je, “Design of an On-Silicon-Interposer Passive Equalizer for Next Generation High Bandwidth Memory With Data Rate Up To 8 Gb/s,” IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I), Jan. 2018.

2017

• Xu Liu, Lei Yao, Kian Ann Ng, Peng Li, Wensi Wang, Minkyu Je, and Yong Ping Xu, “A power‐efficient current‐mode neural/muscular stimulator design for peripheral nerve prosthesis,” International Journal of Circuit Theory and Applications (IJCTA), Nov. 2017.

• Yong Wang, Yan Hong, Wang Ling Goh, Kevin T. C. Chai, and Minkyu Je, “A Resonator-Adaptable Oscillator Using Varactor-Loaded Tuned Amplifiers,” IEEE Microwave and Wireless Components Letters, vol. 27, no. 8, Aug. 2017

• Jaesuk Choi, Jihun Kim, Jae Youn Hwang, Minkyu Je, Jun-Young Kim, and Shin-Yoon Kim, “A novel smart navigation system for intramedullary nailing in orthopedic surgery,” PLOS ONE, vol. 12, no. 4, Apr. 2017.

• Mingyu Ryu, Jae Hoon Yang, Yumi Ahn, Minkyung Sim, Kyung Hwa Lee, Kyungsoo Kim, Taeju Lee, Seung-Jun Yoo, So Yeun Kim, Cheil Moon, Minkyu Je, Ji-Woong Choi, Youngu Lee, and Jae Eun Jang, “Enhancement of interface characteristics of neural probe based on graphene, ZnO nanowires, and conducting polymer PEDOT,” ACS Applied Materials & Interfaces, vol. 9, no. 12, pp. 10577-10586, Mar. 2017.

• Jaeyeong Park, Jun-Young Kim, Hyun Deok Kim, Young Cheol Kim, Anna Seo, Minkyu Je, Jong Uk Mun, Bia Kim, Il Hyung Park, Shin-Yoon Kim, “Analysis of acetabular orientation and femoral anteversion using images of three-dimensional reconstructed bone models,” International Journal of Computer Assisted Radiology and Surgery (IJCARS), Published online, Jan. 2017.

~ 2016

All journals are listed in Excel below :