Publications

International Conferences

2025

Hyunyeop Lee†, Dongyoon Lee†, Yunchul Chung, Sohmyung Ha, and Minkyu Je, "A 100-Mb/s Current-to-Current Galvanic-Coupling-Communication TX/RX Achieving 0.94-pJ/b TX Energy Efficiency for Neural Implant Systems," in Proc. IEEE European Solid-State Electronics Research Conference (ESSERC), Accepted to be presented in Sep. 2025.

Vincent Lukito, Edward Jongyoon Choi, Seoyoung Lee, Jimin Koo, Ik-Joon Chang, Sohmyung Ha, and Minkyu Je, “A No-Patient-Data Seizure Classifier SoC for Real-Time Classification of Seven Seizure Types Using Feature Fusion and Near-Memory Computing,” in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Accepted to be presented in Jun. 2025.

Woongro Youn, Donghyun Youn, Hoyong Seong, Sohmyung Ha, and Minkyu Je, “A Temperature-Insensitive PM Capacitance-to-Digital Converter with DLL-Based Comparator Delay Compensation Achieving 53.5ppm/°C Without Calibration,” in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Accepted to be presented in Jun. 2025.

Dongyoon Lee†, Song-I Cheon†, Dong-Hwi Choi†, Yoonsang Cho, Seonghyun Park, Christopher Santos, Hyungjoo Cho, Sohmyung Ha, and Minkyu Je, “A 16-QAM-based Multi-node BCC System with Bias-Electrode-Free Multi-channel ExG Readout ICs,” in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Accepted to be presented in Jun. 2025.

Christopher Santos†, Dong-Hwi Choi†, Sohmyung Ha, and Minkyu Je, “A 64-channel Time-multiplexed Neural Recording IC with Dual Positive Feedback Loop ZIN-Boosting,” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May. 2025.

Yunchul Chung†, Hyunyeop Lee†, Dongyoon Lee, Sohmyung Ha, and Minkyu Je, “Implantable Galvanic-Coupled Body Channel Communication Transceiver with Serpentine Electrodes for Joint Replacement,” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May. 2025.

Heewon Choee, Yegeun Kim, Sein Oh, Sohmyung Ha, and Minkyu Je, “A Low-Noise Dynamic Comparator with Charge-Pump Pre-Amplifier,” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May. 2025.

Jiho Myung, Gichan Yun, Heewon Choee, Yegeun Kim, Sohmyung Ha, and Minkyu Je, "A 99.8-nV/√Hz ∆Σ Modulator with an Input-Impedance-Boosted kT/C-Noise-Cancellation Integrator for Biopotential-Signal Acquisition," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May. 2025.

Thai Trinh Van, Hung Phan Dang, Yunchul Chung, Kim Hoang Nguyen, Sohmyung Ha, and Minkyu Je, "A Self-Powered Pressure Sensor System Based on Triboelectric Energy Harvesting for Knee Implants," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May. 2025.

Seoyoung Lee, Donghyeon Yi, Edward Jongyoon Choi, Vincent Lukito, Jongho Kim, Ryan G. L. Koh, Ik-Joon Chang, Sohmyung Ha, and Minkyu Je, "A 94.76 %-accuracy, < 16μs/classification-Latency STT-MRAM CiM-Based Classifier for Closed-Loop Peripheral Nerve Modulation Implants", in Proc. IEEE International Conference on Artificial Intelligence Circuits and Systems (AICAS), Apr. 2025.

Jimin Koo, Sein Oh, Yoontae Jung, Vincent Lukito, Sohmyung Ha, and Minkyu Je, “A 6μW ECG-Recording ΔΣ Modulator with Internal-Capacitor-Flipping Technique for 34Vpp Common-Mode-Interference (CMI) Tolerance and 1Vpp Input Range,” in Proc. IEEE Custom Integrated Circuits Conference (CICC), Apr. 2025.

Gichan Yun, Haidam Choi, Yoontae Jung, Jiho Myung, Sein Oh, Sohmyung Ha, and Minkyu Je, "A 189.3 dB-FOMS 14.5fJ/Conversion-Step Continuous-Time Noise-Shaping SAR Capacitance-to-Digital Converter", in Proc. IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2025.

Donghyun Youn, Kyeongwon Jeong, Woongro Youn, Hoyong Seong, Yechan Park, Sohmyung Ha, and Minkyu Je, "An 18.5 nF-Input-Range PM-SAR Hybrid Capacitance-to-Digital Converter Achieving 6.1 μs Conversion Time at 18.1 pF Input Capacitance", in Proc. IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2025.

Yechan Park, Phan Dang Hung, Donghyun Youn, Daehyeon Kwon, Chul Kim, and Minkyu Je, "An Enhanced-Frequency-Splitting-Based Wireless Power and Data Transfer System Achieving 60.2 % End-to-End Efficiency and 1Mb/s Data Rate with a Sub-cm RX Coil for Miniaturized Implants", in Proc. IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2025.

Yechan Park, Chul Kim, and Minkyu Je, "A Wireless Adiabatic Stimulator System with Current-Mode Power Reception and Stimulus Current Regulation Achieving Precise Charge Delivery and Electrode Scalability for Miniaturized Electroceuticals", in Proc. IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2025.

2024

Jiho Chun, Edward Jongyoon Choi, Byeongseon Choi, Donghyeon Yi, Sohmyung Ha, Ik-Joon Chang, and Minkyu Je, "A 639.38 GOPS Hybrid-Domain Logic-Compatible Multi-Level Embedded Flash Computing-in-Memory Macro with Spike-Edge Computation", in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2024.

Dongyoon Lee†, Song-I Cheon†, Hyungjoo Cho, Seonghyun Park, Jiho Chun, Haidam Choi, Gichan Yun, Yoonsang Cho, Sohmyung Ha, and Minkyu Je, "A Multi-Node Body-Channel-Communication System Using Adaptive Gain Control with ExG Readout ICs for Moving VR Users", in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2024.

Jimin Koo†, Haidam Choi†, Yoontae Jung†, Ji-Hoon Suh, Sein Oh, Changhun Seok, Yegeun Kim, Injun Choi, Heewon Choee, Sunglim Han, Jiho Chun, Hoyong Seong, Sohmyung Ha, and Minkyu Je, "A 1.27-mW Battery-Powered Multimodal Biosensor Interface IC for Wireless Motion Intention Recognition in Wearable Robots", in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2024.

Sein Oh†, Gichan Yun†, Heewon Choee, Yoontae Jung, Jimin Koo, Sohmyung Ha, and Minkyu Je, "A 1.3 mW 10 MHz-BW 71 dB-SNDR Two-Step TDC-Assisted Continuous-Time Noise-Shaping SAR ADC", in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2024.

Byeongseon Choi, Edward Jongyoon Choi, Donghyeon Yi, Jiho Chun, Sohmyung Ha, Ik-Joon Chang, and Minkyu Je, "AR-CIM: a 460.22TOPS/W SRAM-Based Analog Reconfigurable Computing-in-Memory Macro with 1/2/4/8-Bit Variable Precision", in Proc. IEEE European Solid-State Electronics Research Conference (ESSERC), Sep. 2024.

Yegeun Kim, Changhun Seok, Kyeongwon Jeong, Haidam Choi, Heewon Choee, Sohmyung Ha, and Minkyu Je, "A 5.3-μW 80.8-dB SNDR LNA-Embedded EF-CIFF Third-Order Noise-Shaping SAR ADC for Closed-Loop Neural Recording", in Proc. IEEE European Solid-State Electronics Research Conference (ESSERC), Sep. 2024.

Chan Park, Sohmyung Ha, and Minkyu Je, "A High-Efficiency High-Data-Rate Wireless Power and Data Transfer IC Using Orthogonal Codes for Miniaturized Multi-Channel Neural Interface Systems", in Proc. International SoC Design Conference (ISOCC), Aug. 2024.

Wonseok Heo, Hoyong Seong, Donghyun Youn, Sohmyung Ha, and Minkyu Je, "An Energy Efficient Period-modulation-based Current-to-digital Converter for FET-type Sensors", in Proc. International SoC Design Conference (ISOCC), Aug. 2024.

Edward Jongyoon Choi†, Jiho Chun†, Byeongseon Choi, Sohmyung Ha, Ik-Joon Chang, and Minkyu Je, "An SRAM-based Error-Free Time Domain Pulse Train Computing-In-Memory Macro achieving 226.14 TOPS/W and 5.782 TOPS/mm²", in Proc. International SoC Design Conference (ISOCC), Aug. 2024.

Haidam Choi, Gichan Yun, Ji-Hoon Suh, Sein Oh, Song-I Cheon, Yoontae Jung, Sohmyung Ha, and Minkyu Je, “A Fully Dynamic 1st-Order 1st-Order Δ-ΔΣ Modulator with a 468 mVpp Input Range for Electrical Impedance Tomography Systems”, in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Jun. 2024.

Edward Jongyoon Choi†, Vincent Lukito†, Injun Choi, Seoyoung Lee, Ik-Joon Chang, Sohmyung Ha, and Minkyu Je, “A Δ-Based Spike Sorting SoC with End-to-End Implementation of Event-Driven Binary Autoencoder Neural Network in Analog CIM Achieving 94.54 % Accuracy and 3.11 µW/ch”, in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Jun. 2024.

Hyungjoo Cho, Dongyoon Lee, Hoyong Seong, Heewon Choee, Ji-Hoon Suh, Injun Choi, Donghee Cho, Sohmyung Ha, and Minkyu Je, “An Intra-Body-Power-Transfer System Energized by an Electromagnetic Energy Harvester for Powering Wearable Sensor Nodes”, in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Jun. 2024.

Ji-Hoon Suh, Haidam Choi, Yoontae Jung, Sohmyung Ha, and Minkyu Je, “A 5.7 kfps Fast Neural Electrical Impedance Tomography IC Based on Incremental Zoom Structure with Baseline Cancellation for Peripheral Nerve Monitoring Systems”, in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Jun. 2024.

Aida Aberra, Muhammad Abrar Akram, Soon-Jae Kweon, Jongmin Kim, Kim-Hoang Nguyen, Gichan Yun, Yong-Ak Song, Minkyu Je, and Sohmyung Ha, “A Hybrid High-voltage Regulating Charge Pump for Electrokinetic Concentration,” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Karam Ellahi, Soon-Jae Kweon, Asra Malik, Muhammad Abrar Akram, Song-I Cheon, Yoontae Jung, Minkyu Je, Hammad M. Cheema, and Sohmyung Ha, “A High-Throughput Impedance Measurement IC Using Synchronous Cyclic Integration Technique,” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Asra Malik, Soon-Jae Kweon, Karam Ellahi, Muhammad Abrar Akram, Song-I Cheon, Yoontae Jung, Minkyu Je, Hammad M. Cheema, and Sohmyung Ha, “A High-Throughput Impedance Measurement IC with Baseline-Canceling Peak Detector,” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Sohyeon Kim, Injun Choi, Minkyu Je, and Ji-Hoon Kim, "Dynamic Resource Management in Reconfigurable SoC for Multi-Tenancy Support", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Sunyoung Park, Wooseok Byun, Minkyu Je, and Ji-Hoon Kim, "Algorithm-Hardware Co-Design for Wearable BCIs: An Evolution from Linear Algebra to Transformers", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Sunglim Han, Hoyong Seong, Sein Oh, Jimin Koo, Hanbit Jin, Hye Jin Kim, Sohmyung Ha, and Minkyu Je, "A 72-Channel Resistive-Sensor Interface IC with High Energy Efficiency and a Wide Input Range", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Jimin Koo, Yoontae Jung, Sein Oh, Sunglim Han, Sohmyung Ha, and Minkyu Je, "A Reconfigurable Multimodal Sensor Interface IC Based on Direct-Conversion ΔΣ Modulator Structure", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Haidam Choi, Ji-Hoon Suh, Gichan Yun, Sein Oh, Sohmyung Ha, and Minkyu Je, "A Low-Power ∆-∆Σ-Based Bio-Impedance Readout IC with Capacitive-Feedback Baseline Cancellation", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Song-I Cheon, Seonghyun Park, Haidam Choi, Yebin Choi, Minho Seok, Young-Ho Cho, Sohmyung Ha, and Minkyu Je, "Ultrahigh-G Accelerometer Readout IC with Adaptive Gain Path for Shock Resilience", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Yegeun Kim, Changhun Seok, Yoontae Jung, Sohmyung Ha, and Minkyu Je, "A Biopotential Recording IC with <10-ms-Settling Hybrid DC Servo Loop", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.

Woobean Lee†, Yoontae Jung†, Hyuntak Jeon, Jimin Koo, Sein Oh, and Minkyu Je, "An Area-Efficient, DC-Coupled VCO-Based CT ∆ΣM with Input-TR-DAC for Neural Recording", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 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 with Miniaturized Reconfigurable Supply Modulator and Channel Drivers for Cochlear Implants”, in Proc. IEEE Custom Integrated Circuits Conference (CICC), Apr. 2024.

Yebin Choi, Minho Seok, Song-I Cheon, Minkyu Je, Young-Ho Cho, Sehwan Song, Sang-Hee Yoon, Kilyug Kim, Won-Young Uhm, Junyong Jang, Yongjun Cho, and Myung-Suk Jung, "Robust High-G Microaccelerometers with Mechanical Low-Pass Filters and Electrical ROIC", in Proc. IEEE International Symposium on Inertial Sensors and Systems (INERTIAL), Mar. 2024.

Song-I Cheon†, Haidam Choi†, Gichan Yun, Sein Oh, Ji-Hoon Suh, Sohmyung Ha, and Minkyu Je, "A Two-Electrode Bio-Impedance Readout IC with Complex-Domain Noise-Correlated Baseline Cancellation Supporting Sinusoidal Excitation", in Proc. IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2024.

2023

Gichan Yun, Kyeongwon Jeong, Haidam Choi, Seunghyeon Nam, Chaerin Oh, Hyunjoo Jenny Lee, Sohmyung Ha, and Minkyu Je, "A 2pA/√Hz Current-Conveyor-Assisted Ultrasound Receiver with 25pF CMUT Parasitic Capacitance", in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2023.

Kim-Hoang Nguyen, Woojin Ahn, Minkyu Je, Quyet Nguyen, Quynh-Trang Nguyen, Thanh-Tung Vu, and Loan Pham-Nguyen, "A Neural Stimulator IC with Dynamic Voltage Scaling Supply and Energy Recycling for Cochlear Implant in Standard 180 nm CMOS Process", in Proc. International SoC Design Conference (ISOCC), Oct. 2023.

Yoontae Jung† , Sein Oh† , Jimin Koo, Seunga Park, Ji-Hoon Suh, Donghee Cho, Sohmyung Ha, and Minkyu Je, " A 187dB FoMS 46fJ/Conv. 2nd-order Highpass Delta-Sigma Capacitance-to-Digital Converter", in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Jun., 2023.

Sein Oh, Seunga Park, Yoontae Jung, Jimin Koo, Donghee Cho, Sohmyung Ha, and Minkyu Je, "A 2.5mW 12MHz-BW 69dB SNDR Passive Bandpass Delta-Sigma ADC with Highpass Noise-Shaping SAR Quantizers", in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC), Jun. 2023.

Yoontae Jung, Soon-Jae Kweon, Hyuntak Jeon, Jeongeun Lee, Youngin Kim, Sein Oh, Jimin Koo, and Minkyu Je, "A Sub-aF Super-High-Resolution Capacitance-to-Digital Converter with a Bandpass ΔΣ ADC", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2023.

Woojin Ahn, Kim-Hoang Nguyen, Jungwoo Lim (TODOC), Kyou Sik Min(TODOC), Hoseung Lee(TODOC), Sohmyung Ha, and Minkyu Je, "An Energy-Efficient, Scalable Neural Stimulation IC with Adaptive Dynamic Voltage Switching for Cochlear Implant System", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2023.

Ji-Hoon Suh, Hyungjoo Cho, Yeseul Jeon, and Minkyu Je, "A Batteryless Electrochemical Sensing System IC Based on Intra-Body Power and Data Transfer Towards Miniaturized Wearable Sensor Nodes", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2023.

Edward Choi, Injun Choi, Vincent Lukito, Dong-Hwi Choi, Donghyeon Yi, Ik-Joon Chang, Sohmyung Ha, and Minkyu Je, “A 333 TOPS/W Logic-Compatible Multi-Level Embedded Flash Compute-In-Memory Macro with Dual-Slope Computation,” in Proc. IEEE Custom Integrated Circuits Conference (CICC), Apr. 2023.

Hoyong Seong, Donghyun Youn, Injun Choi, Junghyup Lee, Sohmyung Ha, and Minkyu Je, “A 0.9V 2MHz 6.4x-Slope-Boosted Quadrature-Phase Relaxation Oscillator with 164.2dBc/Hz FoM and 62.5ppm Period Jitter in 0.18μm CMOS,” in Proc. IEEE Custom Integrated Circuits Conference (CICC), Apr. 2023.

Yoontae Jung, Jimin Koo, Sein Oh, Seunga Park, Ji-Hoon Suh, Donghee Cho, and Minkyu Je, "A 56fJ/Conversion-Step 178dB-FoMS Third-Order Hybrid CT-DT ΔΣ Capacitance-to-Digital Converter", in Proc. IEEE Custom Integrated Circuits Conference (CICC), Apr., 2023.

2022

Kyeongwon Jeong, Jaesuk Choi, Gichan Yun, Injun Choi, Jeehoon Son, Jae Youn Hwang, Sohmyung Ha, and Minkyu Je, "20-MHz 2.3-mW Receiver and a 25-V Transmitter for Ultrasound Capsule Endoscopy", in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2022

Ji-Hoon Suh, Haidam Choi, Yoontae Jung, Sein Oh, Hyungjoo Cho, Nahmil Koo, Seong Joong Kim, Chisung Bae, Sohmyung Ha, and Minkyu Je, "A Synchronous-Sampling Impedance-Readout IC with Baseline-Cancellation-Based Two-Step Conversion for Fast Neural Electrical Impedance Tomography," in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2022

Hyungjoo Cho, Ji-Hoon Suh, Gichan Yun, Sohmyung Ha, and Minkyu Je, “An Intra-Body-Power-Transfer System with a PLL-based Continuous Maximum Resonant Power Tracking Loop at TX and 1.8V DC Output Voltage at RX,” in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2022

Hoyong Seong, Chongsoo Jung, Donghyun Youn, Junghyup Lee, Sohmyung Ha, and Minkyu Je, “A 118.6fJ/Conversion-Step Two-Step Time-Domain RC-to-Digital Converter With 33nF/10MΩ Range and 53aFrms Resolution,” in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2022

Chongsoo Jung, Hoyong Seong, Injun Choi, Sohmyung Ha, and Minkyu Je, "A Process-Scalable Ultra-Low-Voltage 180kHz Sleep Timer with a Time-Domain Amplifier and a Switch-less Resistance Multiplier,” in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2022

Phan Dang Hung, Hongseok Shin, Yechan Park, Nguyen Kim Hoang, Donghee Cho, Sohmyung Ha, Chul Kim and Minkyu Je. "A 96.5%-Power-Efficiency Hybrid Buck-Boost Photovoltaic Energy Harvester Employing Adaptive FOCV MPPT Control for> 98% MPPT Efficiency Across a 10,000× Dynamic Range." in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC). July. 2022.

Kyeongwon Jeong, Gichan Yun, Sohmyung Ha and Minkyu Je. "A 600mV PP-Input-Range 94.5 dB-SNDR NS-SAR-Nested DSM with 4 th-Order Truncation-Error Shaping and Input-Impedance Boosting for Biosignal Acquisition." in Proc. IEEE Symposium on VLSI Technology and Circuits (SOVC). July. 2022.

Edward Choi, Injun Choi, Chanhee Jeon, Gichan Yun, Donghyeon Yi, Sohmyung Ha, Ik-Joon Chang and Minkyu Je. "A 133.6 TOPS/W Compute-In-Memory SRAM Macro with Fully Parallel One-Step Multi-Bit Computation." in Proc. IEEE Custom Integrated Circuits Conference (CICC). April. 2022.

Donghee Cho, Hyungjoo Cho, Sein Oh, Yoontae Jung, Sohmyung Ha, Chul Kim and Minkyu Je. "A Single-Mode Dual-Path Buck-Boost Converter with Reduced Inductor Current Across All Duty Cases Achieving 95.58% Efficiency at 1A in Boost Operation."in Proc. IEEE Custom Integrated Circuits Conference (CICC). April. 2022.

Sehwan Lee, Yoonsung Choi, Geunha Kim, Seungyeob Baik, Taeryoung Seol, Homin Jang, Doyoung Lee, Minkyu Je, Ji-Woong Choi, Arup K George and Junghyup Lee. "A 0.7 V 17fJ/Step-FOM W 178.1 dB-FOM SNDR 10kHz-BW 560mV PP True-ExG Biopotential Acquisition System with Parasitic-Insensitive 421MΩ Input Impedance in 0.18 μm CMOS." in Proc. IEEE International Solid-State Circuits Conference (ISSCC). Feb. 2022.

2021

Yoontae Jung, Soon-Jae Kweon, Hyuntak Jeon, Taeju Lee, Injun Choi, Kyeongwon Jeong, Mi Kyung Kim, Hyunjoo Jenny Lee, Sohmyung Ha, and Minkyu Je , "A 99.5dB-DR 5kHz-BW Closed-Loop Neural-Recording IC Based on Continuous-Time Dynamic-Zoom ΔΣADC with Automatic AFE-Gain Control," in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), pp. 1-2, Nov. 2021

Woojin Ahn, Doohee Kim, Jonghyeok Park, Jeong Hoan Park, Taeju Lee, Kyeongwon Jeong, Kyou Sik Min, Hoseung Lee, and Minkyu Je, "A Neural Stimulation IC Based on a Reconfigurable Current DAC with In-Situ Neural Recording Function for Cochlear Implant Systems," in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), pp. 1-2, Nov. 2021

Jinuk Kim, Hongseok Shin, Soon-Jae Kweon, Seongwook Lee, Sohmyung Ha and Minkyu Je. "A Scalable Readout IC Based on Wideband Noise Cancelling for Full-Rate Scanning of High-Density Microelectrode Arrays." in Proc. 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC). pp. 7344-7347. Dec. 2021.

Donghee Cho, Hongseok Shin, Hyunwoo Park, Sein Oh, Taeju Lee, Sohmyung Ha, Chul Kim and Minkyu Je, "A Load-Current-Regulating OLED Lamp Driver Using a Hybrid Step-Up Converter with 93.21% Efficiency at a High Conversion Ratio of 4.1," in Proc. IEEE 47th European Solid State Circuits Conference (ESSCIRC), pp. 315 - 318, Sep. 2021.

Taeju Lee and Minkyu Je. "A High-Precision Single-Ended-Current-to-Differential-Voltage Converter for Reconfigurable Neural Recording Front-Ends." in Proc. IEEE International Midwest Symposium on Circuits and Systems (MWSCAS). pp. 32-35. Aug. 2021

Hongseok Shin, Doojin Jang, Gyeong-Gu Kang, Jinuk Kim, Chul Kim, Sohmyung Ha and Minkyu Je, "A 96.6%-Efficiency Continuous-Input-Current Hybrid Dual-Path Buck-Boost Converter with Single-Mode Operation and Non-Stopping Output Current Delivery," in Proc. Symposium on VLSI Circuits (SOVC), pp. 1-2, July. 2021.

Soon-Jae Kweon, Joonho Gil, Chulhyun Park, Sein Oh, Yoontae Jung, Injun Choi, Song-i Cheon, Hung Phan Dang, Ja-Hyuck Koo, Geunhoe Kim, Sohmyung Ha and Minkyu Je, "An 8MHz 31.25kS/s Impedance-Monitoring IC Based on IF-Sampling Architecture with a Band-Pass Delta-Sigma ADC," in Proc. Symposium on VLSI Circuits (SOVC), pp. 1-2, July. 2021.

Phan Dang Hung, Yechan Park, Soon-Jae Kweon, Taeju Lee, Hyuntak Jeon, Seok-Tae Koh, Incheol Cho, Jun-Bo Yoon, Inkyu Park, Chul Kim, Sohmyung Ha and Minkyu Je, "A Self-Powered Wireless Gas Sensor Node Based on Photovoltaic Energy Harvesting," in Proc. Symposium on VLSI Circuits (SOVC), pp. 1-2, July. 2021.

Hyuntak Jeon, Injun Choi, Young-Han Kim, Se-Un Shin, Minkyu Je, "A SiPM Readout IC Embedded in a Boost Converter for Mobile Dosimeters," in Proc. Symposium on VLSI Circuits (SOVC), pp. 1-2, July. 2021.

Sujin Kim, Hoyong Seong, Sohyeon Kim and Minkyu Je. "ML-Based Humidity and Temperature Calibration System for Heterogeneous MOx Sensor Array in ppm-Level BTEX Monitoring." in Proc. IEEE International Symposium on Circuits and Systems (ISCAS). April. 2021.

Taeju Lee, Mi Kyung Kim, Hyunjoo Jenny Lee and Minkyu Je, "A 5.7µW/Channel Folded-Current-Mirror-Based Reconfigurable Multimodal Neural Recording IC with Improved Hardware Availability," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1-4, April. 2021.

Song-i Cheon, Soon-Jae Kweon, Youngin Kim, Sohmyung Ha, and Minkyu Je, "A Power-efficient, Wide-frequency-range Impedance Measurement IC Using Frequency-shift Technique", in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2021.

Donghyun Youn and Minkyu Je, “A 67-pJ/bit 435-MHz 16-QAM Modulator for Capsule Endoscopy System with 18-ns Start-Up Using Transient DC Error Correction,” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), May 2021.

Yechan Park, Seok-Tae Koh, Jeongeun Lee, Hongkyun Kim, Jaesuk Choi, Sohmyung Ha, Chul Kim, and Minkyu Je, “A Frequency-Splitting-Based Wireless Power and Data Transfer IC for Neural Prostheses with Simultaneous 115mW Power and 2.5Mb/s Forward Data Delivery,” in Proc. International Solid-State Circuits Conference (ISSCC), Feb. 2021.

Jaesuk Choi, Yechan Park, Jung Bum Oh, Jun-Young Kim, Jae Youn Hwang, Sohmyung Ha, Chul Kim, and Minkyu Je, “An Energy-Replenishing Ultrasound Pulser with 0.25CV2f Dynamic Power Consumption,” in Proc. International Solid-State Circuits Conference (ISSCC), Feb. 2021.

2020

Unbong Lee, Doojin Jang, Wanyeong Jung, Minkyu Je, "Input-Adaptive and Regulated Multi-Output Power Management Unit for Wireless Power Reception and Distribution in Multi-Unit Implantable Devices" , in Proc. IEEE Asian Solid-State Circuits Conference (A-SSCC), pp. 1–4, Nov. 2020.

Hyunwoo Park, Cheoljun Park, Soon Jae Kweon, Ji-Hoon Suh, Jaesuk Choi, Minkyu Je, "Miniature Electromagnetic Sensor Nodes for Wireless Surgical Navigation Systems," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS) , pp. 1-5, Oct. 2020.

Taeju Lee, Wonsuk Choi, Jinseok Kim, Minkyu Je, "Implantable Neural-Recording Modules for Monitoring Electrical Neural Activity in the Central and Peripheral Nervous Systems," in Proc. IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS) , pp. 533-536, Aug. 2020.

Hongseok Shin, Jinuk Kim, Doojin Jang, Donghee Cho, Yoontae Jung, Hyungjoo Cho, Unbong Lee , Chul Kim, Sohmyung Ha, Minkyu Je, "A 0.0046mm2 6.7μW Three-Stage Amplifier Capable of Driving 0.5-to-1.9nF Capacitive Load with >0.68MHz GBW without Compensation Zero," in Proc. IEEE Symposium on VLSI Circuits (SOVC) , pp. 1-2, June. 2020.

2019

Taeju Lee, and Minkyu Je, "A Reconfigurable Neural Recording Front-End IC for Multimodal Operation," in Proc. IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) , pp. 381-384, Nov. 2019.

Eunseok Lee, Doojin Jang, Minkye Je, "A Level Shifter for CMRR-Enhanced Biopotential Acquisition Systems with Human-Body-Coupled Floating Supply Domain," in Proc. IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) , pp. 365-368 , Nov. 2019.

Taeju Lee, Jee-Ho Park, Ji-Hyoung Cha, Namsun Chou, Doojin Jang, Ji-Hoon Kim, Il-Joo Cho, Seong-Jin Kim, Minkyu Je, “ A Multimodal Multichannel Neural Activity Readout IC with 0.7μW/Channel Ca2+-Probe-Based Fluorescence Recording and Electrical Recording ,” in Proc. Symposium on VLSI Circuits (SOVC) , pp. 290 - 291, Jun. 2019.

Yeseul Jeon, Chongsoo Jung, Song-I Cheon, Hyungjoo Cho, Ji-Hoon Suh, Hyuntak Jeon, Seok-Tae Koh, Minkyu Je, “ A 100Mb/s Galvanically-Coupled Body-Channel-Communication Transceiver with 4.75 pJ/b TX and 26.8 pJ/b RX for Bionic Arms ,” in Proc. Symposium on VLSI Circuits (SOVC) , pp. 292 - 293, Jun. 2019.

Hyungjoo Cho, Ji-Hoon Suh, Hongseok Shin, Yeseul Jeon, Chongsoo Jung, Minkyu Je, “ An Area-Efficient Rectifier with Threshold Voltage Cancellation for Intra-Body Power Transfer ,” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS) , pp. 1 - 5, May. 2019.

2018

Taeju Lee, Ji-Hyoung Cha,Su-Hyun Han, Seong-Jin Kim, Minkyu Je, “A 4.86 µW/Channel Fully Differential Multi-Channel NeuralRecording System,” in Proc. International SoC Design Conference (ISOCC) , pp. 68-69, Nov. 2018.

Hyuntak Jeon, Jun-Suk Bang, Yoontae Jung, Taeju Lee, Yeseul Jeon, Seok-Tae Koh, Jaesuk Choi, Doojin Jang, Soonyoung Hong, Minkyu Je, “A 3.9 μW, 81.3 dB SNDR, DC-coupled, Time-based NeuralRecording IC with Degeneration R-DAC for Bidirectional Neural Interface in180nm CMOS,” in Proc. IEEE Asian Solid-State CircuitsConference (A-SSCC) , pp. 91-92, Nov. 2018.

Doojin Jang, Taeju Lee, Hyuntak Jeon, Seoktae Koh, Jaesuk Choi, Junghyup Lee, Minkyu Je, “16-Channel High-CMRR Neural-Recording AmplifiersUsing Common-Made-Tracking Power Supply Rails,” in Proc. IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) , pp.1-3, Aug. 2018.

CheolJun Park, Hyunwoo Park, Jaesuk Choi, Hongseok Shin, Yoontae Jung, Ho Yong Seong, Minkyu Je, “ Technical Review: Electromagnetic Sensor System for Localization of Medical Devices , ” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Jun. 2018.

Yoontae Jung, Hyuntak Jeon, Taeju Lee, Ho Yong Seong, CheolJun Park, Minkyu Je, “ Technical Review: Neural Recording Circuits for Bidirectional Neural Interface , ” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Jun. 2018.

Ho Yong Seong, Soon-Jae Kweon, Ji-Hoon Suh, Jeongeun Lee, CheolJun Park, Yoontae Jung, Minkyu Je, “ Technical Review: Interface Integrated Circuits for Metal-Oxide GAS Sensors , ” in Proc. IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Jun. 2018.

Jun-Suk Bang, Hyuntak Jeon, Minkyu Je, Gyu-Hyeong Cho, “ 6.5µW 92.3DB-DR Biopotential-Recording Front-End with 360MV PP Linear Input Range , ” in Proc. IEEE Symposium on VLSI Circuits, (SOVC) , Jun. 2018 .

Arup K Gerorge, Wooyoo Shim, Minkyu Je, Junghyup Lee, “ A 114-AF RMS-Resolution 46-NF/10-MΩ-Range Digital-Intensive Reconfigurable RC-to-Digital Converter with Parasitic-Insensitive Femto-Farad Baseline Sensing , ” in Proc. IEEE Symposium on VLSI Circuits, (SOVC), Jun. 2018 .

Yeseul Jeon, Hyuntak Jeon, Song-I Cheon, Chongsoo Jung and Minkyu Je, “ A 650-uW 30-Mbps Galvanic Coupling Communication Receiver for Bionic Arms, ” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS) , May 2018.

Soon-Jae Kweon, Sung-Hun Jo, Ji-Hoon Suh, Minkyu Je, Hyung-Joun Yoo, “ A Sinusoidal Signal Generator Using a Constant Gain Finite Impulse Response (FIR) Filter for Electrical Bioimpedance Spectroscopy, ” in Proc. IEEE International Symposium on Circuits and Systems (ISCAS) , May 2018.

Sehwan Lee, Arup K. George, Taeju Lee, Jun-Uk Chu, Sungmin Han, Ji-Hoon Kim, Minkyu Je, Junghyup Lee, “A 110dB-CMRR 100dB-PSRR Multi-Channel Neural-Recording Amplifier System Using Differentially Regulated Rejection Ratio Enhancement in 0.18μm CMOS,” in Proc. IEEE International Solid-State Circuits Conference (ISSCC) , Feb. 2018.

Junghyup Lee, Arup K. George, Minkyu Je, “An ultra-low-noise differential relaxation oscillator based on a swing-boosting scheme,” in Proc. Asia and South Pacific Design Automation Conference (ASP-DAC) , Jan. 2018.

2017

Yi Chen, Arindam Basu, Xu Liu, Lei Yao, Sudip Nag, Minkyu Je, Nitish Thakor, “A simultaneous neural recording and stimulation system using signal folding in recording circuits,” in Proc. IEEE Biomedical Circuits and Systems Conference (BioCAS) , Oct. 2017.

Taeju Lee, Doojin Jang, Yoontae Jung, Hyuntak Jeon, Soonyoung Hong, Sungmin Han, Jun-Uk Chu, Junghyup Lee, Minkyu Je, “A neural recording amplifier based on adaptive SNR optimization technique for long-term implantation,” in Proc. IEEE Biomedical Circuits and Systems Conference (BioCAS) , Oct. 2017.

Seungyeob Baik, Arup K. George, Minkyu Je, Junghyup Lee, “A 1 V 2.5 μW Fully-Differential ASK Demodulator with 12.5 pJ/bit FOM for Ultra-Low Power Biomedical Applications,” in Proc. IEEE International Midwest Symposium on Circuits and Systems (MWSCAS) , Aug. 2017.

Seungyeob Baik, Arup K. George, Minkyu Je, Junghyup Lee, “A 1 V 2.5 μW Fully-Differential ASK Demodulator with 12.5 pJ/bit FOM for Ultra-Low Power Biomedical Applications,” in Proc. IEEE International Midwest Symposium on Circuits and Systems (MWSCAS) , Aug. 2017.

~ 2016

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