Yongjae Park

Yongjae Park

Assistant Professor @ Semiconductor Systems Engineering, Inha University

Publications

Journal Papers

  1. A 4.6 μW, 133-VPP Common-Mode Interference-Tolerant Biopotential Amplifier for Two-Electrode Recording System in 110-nm CMOS
    Yongjae Park, Yeong-Jin Mo, Jeong-Hoon Kim, Gert Cauwenberghs, and Seong-Jin Kim
    IEEE Journal of Solid-State Circuits (JSSC), 2025. (One of the top Journals on Circuits and Systems)
    [IEEE Xplore]

  2. An Adaptive Multiple Sampling With Slope Calibration Scheme in Indirect Time-of-Flight Sensor for Depth Precision Enhancement
    Jung-Hye Hwang, Jubin Kang, Yongjae Park, Insang Son, Kieop Hong, and Seong-Jin Kim
    IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I), 2025.
    [IEEE Xplore]

  3. An Indirect ToF Sensor With In-Pixel Adaptive ΔΣ-Scheme for Background Light Rejection and Floating Diffusion Mismatch Cancellation
    Yongjae Park, Jubin Kang, Dahwan Park, Jung-Hye Hwang, Seonghyeok Park, Insang Son, and Seong-Jin Kim
    IEEE Journal of Solid-State Circuits (JSSC), 2025. (One of the top Journals on Circuits and Systems)
    [IEEE Xplore]

  4. A Compact Photocurrent Recording IC With High-Linearity Dual PWM Buffered R-DACs
    Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, and Seong-Jin Kim
    IEEE Journal of Solid-State Circuits (JSSC), 2025. (One of the top Journals on Circuits and Systems)
    [IEEE Xplore]

  5. A Low-Noise Low-Power 0.001Hz–1kHz Neural Recording System-on-Chip With Sample-Level Duty-Cycling
    Jiajia Wu, Abraham Akinin, Jonathan Somayajulu, Min S Lee, Akshay Paul, Hongyu Lu, Yongjae Park, Seong-Jin Kim, Patrick P Mercier, and Gert Cauwenberghs
    IEEE Transactions on Biomedical Circuits and Systems (TBioCAS), 2024.
    [IEEE Xplore]

  6. A VCO-Based 2nd-Order Δ2–ΔΣ Modulator for Small-Size High Energy-Efficient Current Sensing Front-End
    Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, and Seong-Jin Kim
    IEEE Solid-State Circuits Letters (SSC-L), 2023.
    [IEEE Xplore]

  7. An Indirect Time-of-Flight Sensor With Tetra-Pixel Architecture Calibrating Tap Mismatch in a Single Frame
    Jubin Kang, Yongjae Park, Jung-Hye Hwang, Kieop Hong, Insang Son, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim
    IEEE Solid-State Circuits Letters (SSC-L), 2022.
    [IEEE Xplore]

  8. A Real-Time Depth of Anesthesia Monitoring System Based on Deep Neural Network With Large EDO Tolerant EEG Analog Front-End
    Ji-Hyoung Cha, Jee-Ho Park, Yongjae Park, Hyogeun Shin, Kyeong Seob Hwang, II-Joo Cho, and Seong-Jin Kim
    IEEE Transactions on Biomedical Circuits and Systems (TBioCAS), 2022.
    [IEEE Xplore]

  9. A 3.8-µW 1.5-NEF 15-GΩ Total Input Impedance Chopper Stabilized Amplifier With Auto-Calibrated Dual Positive Feedback in 110-nm CMOS
    Yongjae Park, Ji-Hyoung Cha, Su-Hyun Han, Jee-Ho Park, and Seong-Jin Kim
    IEEE Journal of Solid-State Circuits (JSSC), 2022. (One of the top Journals on Circuits and Systems)
    [IEEE Xplore]

  10. A Real-Time Depth of Anesthesia Monitoring System Based on Deep Neural Network With Large EDO Tolerant EEG Analog Front-End
    *Yongjae Park, Su-Hyun Han, Wooseok Byun, Ji-Hoon Kim, Hyung-Chul Lee, and Seong-Jin Kim
    *First Co-Authors
    *IEEE Transactions on Biomedical Circuits and Systems (TBioCAS)    , 2020.
    [IEEE Xplore]

Conference Proceedings

  1. A 4.6μW 3.3-NEF Biopotential Amplifier with 133VPP Common-Mode Interference Tolerance and 102dB Total Common-Mode Rejection Ratio for Two-Electrode Recording System
    Yongjae Park, Yeong-Jin Mo, Jeong-Hoon Kim, Gert Cauwenberghs, and Seong-Jin Kim
    IEEE International Solid-State Circuits Conference (ISSCC), 2025. (Top conferences on Circuits and Systems)
    [IEEE Xplore]

  2. Integrated 64-Channel Spatiotemporally Patterned Multipolar Neural Stimulator with 150nA−10 mA Current Range at 8 V−20 V Voltage Compliance
    Jeong-Hoon Kim, Min Suk Lee, Yongjae Park, Jiajia Wu, Zhaoyi Liu, Cassia Rizq, Preston Fowler, Abhinav Uppal, Omowuyi Olajide, Athena Leisching, Abraham Akinin, Lara M. Rangel, Seong-Jin Kim, and Gert Cauwenberghs
    IEEE European Solid-State Electronics Research Conference (ESSERC), 2025.
    [IEEE Xplore]

  3. An Indirect Time-of-Flight Sensor with Adaptive Multiple Sampling for High Depth Precision
    Jung-Hye Hwang, Jubin Kang, Yongjae Park, Insang Son, Kieop Hong, and Seong-Jin Kim
    IEEE International Symposium on Circuits and Systems (ISCAS), 2024.
    [IEEE Xplore]

  4. A 160×120 Indirect Time-of-Flight Sensor with Pixel-Level Adaptive ΔΣ-Operations for Background Light Cancellation
    Yongjae Park, Jubin Kang, Dahwan Park, Insang Son, Jung-Hye Hwang, and Seong-Jin Kim
    IEEE Asian Solid-State Circuits Conference (A-SSCC), 2023. (One of the top 3 conferences on Circuits and Systems)
    [IEEE Xplore]

  5. A Low-Noise 0.001Hz-lkHz Sample-Level Duty-Cycling Neural Recording System-on-Chip
    Jiajia Wu, Abraham Akinin, Min Lee, Akshay Paul, Hongyu Lu, Yongjae Park, Preston Fowler, Seong-Jin Kim, Patrick P Mercier, and Gert Cauwenberghs
    IEEE International Symposium on Circuits and Systems (ISCAS), 2023.
    [IEEE Xplore]

  6. A 0.0308mm2 4.15pJ/conv VCO-Based Current Sensing Front-End with 2nd-Order Δ2 ΔΣ Modulation
    Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, and Seong-Jin Kim
    IEEE Asian Solid-State Circuits Conference (A-SSCC), 2022. (One of the top 3 conferences on Circuits and Systems)
    [IEEE Xplore]

  7. A 100×80 CMOS Flash LiDAR Sensor with 0.0011mm2 In-Pixel Histogramming TDC Based on Analog Counter and Self-Calibrated Single-Slope ADC
    Su-Hyun Han, Bumjun Kim, Seonghyeok Park, Yongjae Park, Jung-Hoon Chun, Jaehyuk Choi, Seong-Jin Kim
    IEEE Symposium on VLSI Technology and Circuits (SOVC), 2022. (One of the top 3 conferences on Circuits and Systems)
    [IEEE Xplore]

  8. A 640×480 Indirect Time-of-Flight Image Sensor with Tetra Pixel Architecture for Tap Mismatch Calibration and Motion Artifact Suppression
    Jubin Kang, Yongjae Park, Jung-Hye Hwang, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim
    IEEE Symposium on VLSI Technology and Circuits (SOVC), 2022. (One of the top 3 conferences on Circuits and Systems)
    [IEEE Xplore]

  9. A Reconfigurable Sub-Array Multiplexing Microelectrode Array System With 24,320 Electrodes and 380 Readout Channels for Investigating Neural Communication
    Ji-Hyoung Cha, Jee-Ho Park, Yongjae Park, Hyogeun Shin, Kyeong Seob Hwang, II-Joo Cho, and Seong-Jin Kim
    IEEE International Solid-State Circuits Conference (ISSCC), 2022. (Top conferences on Circuits and Systems)
    [IEEE Xplore]

  10. A 3.8-μW/Ch, 15-GΩ Total Input Impedance Chopper Stabilized Amplifier with Dual Positive Feedback Loops and Auto-calibration Scheme
    Yongjae Park, Ji-Hyoung Cha, Su-Hyun Han, Jee-Ho Park, and Seong-Jin Kim
    IEEE Symposium on VLSI Technology and Circuits (SOVC), 2021. (One of the top 3 conferences on Circuits and Systems)
    [IEEE Xplore]

Grants/Patents

  1. KR10-2024-0011778 (Granted): 생체 신호 측정 장치, Mar. 2026.
    Yongjae Park, Seong-Jin Kim

  2. KR10-2022-0038797 (Granted): 듀얼 포지티브 피드백을 구비한 생체 신호 처리 장치, Jan. 2024.
    Yongjae Park, Seong-Jin Kim

  3. KR10-2020-0077375 (Granted): DC 오프셋 상쇄를 위한 뇌전도 신호 증폭 장치, Mar. 2022.
    Yongjae Park, Seong-Jin Kim