Jahyun Koo

14 papers Journal 10Unranked 4
YearRankTypeTitle / Venue / Authors
2026 J jnl
A Parasitic and Mismatch Tolerant Fully Common-Centroided and Shielded Split-CDAC With Identical Unit Capacitors for SAR-ADC.
IEEE Trans. Very Large Scale Integr. Syst.
Jahyun Koo, Jae-Yoon Sim, Luke Theogarajan
2025 J jnl
A 9.6-nW Wake-Up Timer With RC-Referenced Subharmonic Locking Using Dual Leakage-Based Oscillators.
IEEE Trans. Very Large Scale Integr. Syst.
Jahyun Koo, Hyunwoo Son, Jae-Yoon Sim
2025 J jnl
A Fully Differential Distributed RC Oscillator With a Suppression of Noise and Temperature Sensitivities.
IEEE Trans. Circuits Syst. II Express Briefs
Jahyun Koo, Cheonhoo Jeon, Jae-Yoon Sim
2025 J jnl
A synthesizable quarter-rate CDR based on all digital fractional-N PLL with quadrature rotational frequency detector.
IEICE Electron. Express
Joon-Pyo Hong, Minseob Lee, Jahyun Koo, Jae-Yoon Sim
2023 J jnl
Corrections to "Low-Noise Distributed RC Oscillator".
IEEE Trans. Very Large Scale Integr. Syst.
Jahyun Koo, Jae-Yoon Sim
2022 J jnl
Low-Noise Distributed RC Oscillator.
IEEE Trans. Very Large Scale Integr. Syst.
Jahyun Koo, Jae-Yoon Sim
2020 J jnl
A 7.8 Gb/s/pin, 1.96 pJ/b Transceiver With Phase-Difference-Modulation Signaling for Highly Reflective Interconnects.
IEEE Trans. Circuits Syst. I Regul. Pap.
Sooeun Lee, Jaeyoung Seo, Kyunghyun Lim, Jahyun Koo, Jae-Yoon Sim, Hong-June Park, Byungsub Kim
2020 J jnl
A Smart Contact Lens Controller IC Supporting Dual-Mode Telemetry With Wireless-Powered Backscattering LSK and EM-Radiated RF Transmission Using a Single-Loop Antenna.
IEEE J. Solid State Circuits
Cheonhoo Jeon, Jahyun Koo, Kyongsu Lee, Minseob Lee, Su-Kyoung Kim, Sangbaie Shin, Sei Kwang Hahn, Jae-Yoon Sim
2019 — conf
A 143nW Glucose-Monitoring Smart Contact Lens IC with a Dual-Mode Transmitter for Wireless-Powered Backscattering and RF-Radiated Transmission Using a Single Loop Antenna.
VLSI Circuits
Cheonhoo Jeon, Jahyun Koo, Kyongsu Lee, Su-Kyoung Kim, Sei Kwang Hahn, Byungsub Kim, Hong-June Park, Jae-Yoon Sim
2019 J jnl
A Quadrature RC Oscillator With Noise Reduction by Voltage Swing Control.
IEEE Trans. Circuits Syst. I Regul. Pap.
Jahyun Koo, Byungsub Kim, Hong-June Park, Jae-Yoon Sim
2018 — conf
A 0.3-to-1.2V frequency-scalable fractional-N ADPLL with a speculative dual-referenced interpolating TDC.
ISSCC
Minseob Lee, Shinwoong Kim, Hwasuk Cho, Jahyun Koo, Kwang-Hee Choi, Jin-Hyeok Choi, Byungsub Kim, Hong-June Park, Jae-Yoon Sim
2018 — conf
A low-power wide dynamic-range current readout circuit for biosensors.
ASP-DAC
Hyunwoo Son, Hwasuk Cho, Jahyun Koo, Youngwoo Ji, Byungsub Kim, Hong-June Park, Jae-Yoon Sim
2017 — conf
5.5 A quadrature relaxation oscillator with a process-induced frequency-error compensation loop.
ISSCC
Jahyun Koo, Kyoung-sik Moon, Byungsub Kim, Hong-June Park, Jae-Yoon Sim
2017 J jnl
A Low-Power Wide Dynamic-Range Current Readout Circuit for Ion-Sensitive FET Sensors.
IEEE Trans. Biomed. Circuits Syst.
Hyunwoo Son, Hwasuk Cho, Jahyun Koo, Youngwoo Ji, Byungsub Kim, Hong-June Park, Jae-Yoon Sim