SH
Sohmyung Ha
Signal Processing, Computer-AssistedAmplifiers, ElectronicDielectric SpectroscopyElectric Power SuppliesBiosensing Techniquescs.SYeess.SYElectrochemical TechniquesNeural Networks, ComputerOptogenetics
On Valency
published · living versionsW_9axtkkf5·v1 · currentpublished
A 140.5W, 99.8% Accuracy, 96.1dB SNR BioZ IC for Real-Time Cell Analysis with On-Demand Push-Pull Excitation and Continuous-Time T-D Readout
with Jiayang Li, Junzhe Chen, Xin Zhang, Peiqing Li +13
1 version
Preprints & journals
31 papers in the corpus · 2012–2026A Bias-Electrode-Free Multichannel ExG Readout IC With Time-Multiplexed PAM-4 Body Channel Communication.42525944 · Choi, Dong-Hwi, Cheon, Song-I, Ha, Sohmyung et al.2026 · 0 citationsIEEE transactions on biomedical circuits and systems. 2026;20(5):720-731
A Multi-Band Low-Supply-Voltage 16-QAM Transmitter Based on a Digital Fractional-N PLL With TDC Calibration for Capsule Endoscopy.41697817 · Kwon, Daehyeon, Youn, Donghyun, Ha, Sohmyung et al.2026 · 0 citationsIEEE transactions on biomedical circuits and systems. 2026;20(4):603-619
An injectable, leadless bioelectronic interface for battery-free wireless peripheral neuromodulation.42284411 · Elsherif, Mohamed, Mansour, Salma, Makhambetova, Zhansaya et al.2026 · 0 citationsScience advances. 2026;12(24):eaeg1437
A Neural Recording IC for 64-Channel Time-Multiplexed MEA with 3.3-G Total Input Impedance Using Dual Positive Feedback Loop -Boosting.41329576 · Santos, Christopher, Choi, Dong-Hwi, Ha, Sohmyung et al.2026 · 2 citationsIEEE transactions on biomedical circuits and systems. 2026;20(2):169-179
A 3D-Printing-Based Optogenetic Neural Stimulator Integrated With Three Neural Recording Channels.42085405 · Oh, Keonghwan, Lim, Jihong, Jo, Yehhyun et al.2026 · 0 citationsIEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society. 2026;34:2327-2336
A 0.62 W/sensor 82 fps Time-to-Digital Impedance Measurement IC with Unified Excitation/Readout Front-end for Large-Scale Piezo-Resistive Sensor Array2510.13682v3 · Jiayang Li, Qingyu Zhang, Sohmyung Ha et al.2025 · 1 citationarXiv
An Ultra-Low-Power Amplifier-Less Potentiostat Design Based on Digital Regulation Loop.40031049 · Akram, Muhammad Abrar, Aberra, Aida, Kweon, Soon-Jae et al.2025 · 5 citationsIEEE transactions on biomedical circuits and systems. 2025;19(5):993-1004
3D-printed optogenetic neural probe integrated with microfluidic tube for opsin/drug delivery.40775005 · Sukesan, Revathi, Mohammed, Mohsin, Oh, Keonghwan et al.2025 · 4 citationsScientific reports. 2025;15(1):28863
An Energy-Efficient Stimulation System Based on Adaptive Dynamic Voltage Switching Control for Cochlear Implants.40030188 · Ahn, Woojin, Nguyen, Kim-Hoang, Lee, Hoseung et al.2025 · 3 citationsIEEE transactions on biomedical circuits and systems. 2025;19(4):803-814
Sleep Stage Classification with CNN-Transformer-combined Structure Using Single-Channel Raw ECG.41336857 · Kim, Moogyeom, Lee, Seokjae, Ha, Sohmyung et al.2025 · 0 citationsAnnual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2025;2025:1-6
A Motion-Artifact-Tolerant Biopotential-Recording IC With a Digital-Assisted Loop.40030948 · Kim, Yegeun, Seok, Changhun, Jung, Yoontae et al.2025 · 6 citationsIEEE transactions on biomedical circuits and systems. 2025;19(2):280-290
A Time-Domain Multi-Channel Resistive-Sensor Interface IC With High Energy Efficiency and Wide Input Range.40173047 · Han, Sunglim, Seong, Hoyong, Oh, Sein et al.2025 · 6 citationsIEEE transactions on biomedical circuits and systems. 2025;19(2):291-299
FLARE: FP-Less PTQ and Low-ENOB ADC Based AMS-PiM for Error-Resilient, Fast, and Efficient Transformer Acceleration2411.14733v1 · Donghyeon Yi, Seoyoung Lee, Jongho Kim et al.2024 · 0 citationsarXiv
Wirelessly-Powered Ingestible Electronic Capsule for Non-invasive Gastrointestinal Optogenetics10.1101/2024.08.30.610532v1 · Elsherif, M., El-Din, R. B., Makhambetova, Z. et al.2024 · 0 citationsbioRxiv
Impedance-Readout Integrated Circuits for Electrical Impedance Spectroscopy: Methodological Review.37751341 · Cheon, Song-I, Choi, Haidam, Kang, Hyoju et al.2024 · 29 citationsIEEE transactions on biomedical circuits and systems. 2024;18(1):215-232
A 22-pJ/spike 73-Mspikes/s 130k-compartment neural array transceiver with conductance-based synaptic and membrane dynamics.37700751 · Park, Jongkil, Ha, Sohmyung, Yu, Theodore et al.2024 · 5 citationsFrontiers in neuroscience. 2023;17:1198306
A Differential Rectifier With VTH Compensation for High-Frequency RF Inputs.37023151 · Akram, Muhammad Abrar, Ha, Sohmyung2023 · 6 citationsIEEE transactions on biomedical circuits and systems. 2023;17(4):653-663
A Review on CNTs-Based Electrochemical Sensors and Biosensors: Unique Properties and Potential Applications.36724894 · Meskher, Hicham, Ragdi, Teqwa, Thakur, Amrit Kumar et al.2024 · 227 citationsCritical reviews in analytical chemistry. 2024;54(7):2398-2421
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.35895660 · Cho, Hyungjoo, Suh, Ji-Hoon, Kim, Chul et al.2022 · 20 citationsIEEE transactions on biomedical circuits and systems. 2022;16(5):852-866
A PVT-Robust AFE-Embedded Error-Feedback Noise-Shaping SAR ADC With Chopper-Based Passive High-Pass IIR Filtering for Direct Neural Recording.35881597 · Jeong, Kyeongwon, Jung, Yoontae, Yun, Gichan et al.2022 · 16 citationsIEEE transactions on biomedical circuits and systems. 2022;16(4):679-691
Wireless Kitchen Fire Prevention System Using Electrochemical Carbon Dioxide Gas Sensor for Smart Home.35684586 · Kweon, Soon-Jae, Park, Jeong-Ho, Park, Chong-Ook et al.2022 · 9 citationsSensors (Basel, Switzerland). 2022;22(11)
An Impedance Readout IC with Ratio-Based Measurement Techniques for Electrical Impedance Spectroscopy.35214475 · Cheon, Song-I, Kweon, Soon-Jae, Kim, Youngin et al.2022 · 22 citationsSensors (Basel, Switzerland). 2022;22(4)
A Scalable Readout IC Based on Wideband Noise Cancelling for Full-Rate Scanning of High-Density Microelectrode Arrays.34892794 · Kim, Jinuk, Shin, Hongseok, Kweon, Soon-Jae et al.2022 · 1 citationAnnual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2021;2021:7344-7347
A 3 mm × 3 mm Fully Integrated Wireless Power Receiver and Neural Interface System-on-Chip.31581095 · Kim, Chul, Park, Jiwoong, Ha, Sohmyung et al.2020 · 60 citationsIEEE transactions on biomedical circuits and systems. 2019;13(6):1736-1746
A Harmonic Error Cancellation Method for Accurate Clock-Based Electrochemical Impedance Spectroscopy.31226085 · Subhan, Saqib, Ha, Sohmyung2020 · 33 citationsIEEE transactions on biomedical circuits and systems. 2019;13(4):710-724
A Fully Integrated RF-Powered Energy-Replenishing Current-Controlled Stimulator.30452378 · Ha, Sohmyung, Kim, Chul, Park, Jiwoong et al.2019 · 35 citationsIEEE transactions on biomedical circuits and systems. 2019;13(1):191-202
Magnetically Balanced Power and Data Telemetry for mm-scale Neural Implants.30441112 · Mandloi, Neeraj K, Ha, Sohmyung2019 · 3 citationsAnnual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2018;2018:3378-3381
Harmonic Error Cancellation for Accurate Square-wave-based Bio-Impedance Measurements.30441298 · Subhan, Saqib, Ha, Sohmyung2019 · 4 citationsAnnual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2018;2018:4273-4276
Towards high-resolution retinal prostheses with direct optical addressing and inductive telemetry.27529371 · Ha, Sohmyung, Khraiche, Massoud L, Akinin, Abraham et al.2017 · 53 citationsJournal of neural engineering. 2016;13(5):056008
Integrated circuits and electrode interfaces for noninvasive physiological monitoring.24759282 · Ha, Sohmyung, Kim, Chul, Chi, Yu M et al.2015 · 141 citationsIEEE transactions on bio-medical engineering. 2014;61(5):1522-37
Direct inductive stimulation for energy-efficient wireless neural interfaces.23366034 · Ha, Sohmyung, Khraiche, Massoud L, Silva, Gabriel A et al.2013 · 17 citationsAnnual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2012;2012:883-6
Career total: 205 works. 31 are in this corpus.
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