RESEARCH

1. Integrated Circuits and Systems to Help Humans

Collaboration: Samsung Electronics, TODOC, KIST Brain Science Institute, KAIST EE BMM LAB, UNIST EE BIAS LAB, DGIST EECS INS LAB
Project performed: Brain Research Program (2017M3C7A1028859) with KIST
Technologies: System design for In-vitro measurement, Low-power LNA, ADC, DAC design, Multi-channel sensor signal processing circuit design,

Digital back-end calibration system design based on FPGA

Significance: Traditional analog techniques on latest biomedical application
SCIE journal: 1 (1st author)

[1] Hyuntak Jeon et al., “A CMRR Enhancement Circuit Employing Gm-Controllable Output Stage For Capacitive Coupled Instrumentation Amplifier” 2020 IEEE Transaction on Circuits and Systems II (TCAS-II): Express Briefs

International conference: 1 (3rd author), 2 (2nd author), 1 (4th author)

[1] Hyuntak Jeon et al., “16-Channel High-CMRR Neural-Recording Amplifiers Using Common-Made-Tracking Power Supply Rails” 2018 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)

[2] ~, Hyuntak Jeon et al., “A 650-uW 30-Mbps Galvanic Coupling Communication Receiver for Bionic Arms” 2018 IEEE International Symposium on Circuits and Systems (ISCAS)

[3] ~, Hyuntak Jeon et al., “Technical Review: Neural Recording Circuits for Bidirectional Neural Interface” 2018 IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia)

[4] ~, ~, ~, Hyuntak Jeon et al., “A neural recording amplifier based on adaptive SNR optimization technique for long-term implantation” 2017 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Award: 1 (1st author)

[1] Hyuntak Jeon et al., “A Low Power, High CMRR Neural Recording IC with Controllable Gm-cell” 2019 The 19th RF/Analog Workshop Best Paper in Jeju, Korea

2. Integrated Circuits and Systems to Replace Humans

Collaboration: Samsung Electronics, TODOC, KIST Brain Science Institute, KAIST EE BMM LAB, UNIST EE BIAS LAB, DGIST EECS INS LAB
Project performed: Convergence Technology Development Program for Bionic Arm (2017M3C1B2085296) with KIST
Technologies: Bidirectional neural interface system design with stimulator and recording circuits, Current-starved ring oscillator,

Low-power time-based delta sigma ADC design, Digital filter system design based on FPGA

Significance: Novel mixed signal circuits → Solution for latest biomedical application
SCIE Journal: 1 (1st author)

[1] Hyuntak Jeon et al., “A High DR, DC-Coupled, Time-Based Neural-Recording IC With Degeneration R-DAC for Bidirectional Neural Interface,” 2019 IEEE Journal of Solid-State Circuits (JSSC)

International Conference: 1 (6th author), 1 (1st author), 1 (2nd author)

[1] ~, ~, ~, ~, ~, Hyuntak Jeon et al., “A 100Mb/s Galvanically-Coupled Body-Channel-Communication Transceiver with 4.75 pJ/b TX and 26.8 pJ/b RX for Bionic Arms” 2019 IEEE Symposium on VLSI Circuits (SOVC)

[2] Hyuntak Jeon et al., “A 3.9 μW, 81.3 dB SNDR, DC-coupled, Time-based Neural Recording IC with Degeneration R-DAC for Bidirectional Neural Interface in 180nm CMOS,” 2018 IEEE Asian Solid-State Circuits Conference (A-SSCC)

[3] ~, Hyuntak Jeon, et al., “6.5µW 92.3DB-DR Biopotential-Recording Front-End with 360MVPP Linear Input Range,” 2018 IEEE Symposium on VLSI Circuits (SOVC)

Award: 1 (1st author)

[1] Hyuntak Jeon et al., “A 3.9 μW, 81.3 dB SNDR, DC-coupled, Time-based Neural Recording IC with Degeneration R-DAC for Bidirectional Neural Interface in 180nm CMOS,” 2018 IEEE Asian Solid-State Circuits Conference (A-SSCC) Student Design Contest, Best Design Award

3. Integrated Circuits and Systems to Save Humans

Collaboration: KAERI Department of ICT, KAERI ICR LAB, KAIST NQE RDMIS LAB
Project performed: Basic Science Research Program (2017M2A8A4056388) with KAERI
Technologies: Environment modeling technology for irradiation test setup, High performance AFE for radiation sensor interface,

Radiation hardened sensor interface circuit design technology, Signal processing and control system design based on FPGA

Significance: Novel mixed signal circuits → Innovation on traditional application
SCIE Journal: 2 (1st author)

[1] Hyuntak Jeon et al., “Radiation-Hardened Sensor Interface Circuit for Monitoring Severe Accidents in Nuclear Power Plants” 2020 IEEE Transaction on Nuclear Science (TNS)

[2] Hyuntak Jeon et al., “A power efficient radiation sensor interface with a peak triggered sampling scheme for mobile dosimeters” 2020 MDPI Sensors

Domestic Conference: 1 (1st author)

[1] Hyuntak Jeon et al., “A Radiation Sensor Interface System for Mobile Application” 2019 Transactions of the Korean Nuclear Society (KNS) Autumn Meeting

Patent: 3 (Registered)

[1] “Apparatus for Providing Sensor Interface and Apparatus for Detecting Radiation Including The Same” 10-2173007 (KR) - Registered

[2] “Design method of self-compensated preamplifier for radiation effects” 10-2314780 (KR) – Registered

[3] “Amplifying device and radiation detection apparatus including the same” GB2579444 (UK) - Registered

4. Integrated Circuits and Systems to Protect Humans

Collaboration: KETI, UNIST EE PICTUS LAB, KAERI Department of ICT, KAERI ICR LAB, KAIST NQE RDMIS LAB, Intromedic
Project performed: Basic Science Research Program (2020M2A8A1000830) with KAERI
Technologies: System optimization for mobile application, Control circuit design for analog feedback system,

High voltage DC-DC converter design, Back-end decimation circuit design

Significance: Achievement of technology convergence (power converter circuits + sensor readout circuits)
SCIE Journal: 2 (1st author)

[1] Hyuntak Jeon “A Boost Converter Employing Quadratic Sawtooth Waveform Generator for SiPM-Based Radiation Sensors,” 2021 MDPI Chemosensors

[2] Hyuntak Jeon et al., “A Power/Hardware Efficient SiPM Readout IC Embedded in a Boost Converter for Mobile Radiation Dosimeters,” 2022 IEEE Transactions on Power Electronics (Early Access)

International Conference: 1 (1st author)

[1] Hyuntak Jeon et al., “A SiPM Readout IC Embedded in a Boost Converter for Mobile Dosimeters,” 2021 IEEE Symposium on VLSI Circuits (SOVC)

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