Kyojin David Choo

15 papers Journal 6Unranked 9
YearRankTypeTitle / Venue / Authors
2022 J jnl
A 510-pW 32-kHz Crystal Oscillator With High Energy-to-Noise-Ratio Pulse Injection.
IEEE J. Solid State Circuits
Li Xu, Taekwang Jang, Jongyup Lim, Kyojin David Choo, David T. Blaauw, Dennis Sylvester
2020 — conf
3.3 A 0.51nW 32kHz Crystal Oscillator Achieving 2ppb Allan Deviation Floor Using High-Energy-to-Noise-Ratio Pulse Injection.
ISSCC
Li Xu, Tae-Kwang Jang, Jongyup Lim, Kyojin David Choo, David T. Blaauw, Dennis Sylvester
2020 — conf
Sample and Average Common-Mode Feedback in a 101 nW Acoustic Amplifier.
VLSI Circuits
Rohit Rothe, Sechang Oh, Kyojin David Choo, Seokhyeon Jeong, Minchang Cho, Dennis Sylvester, David T. Blaauw
2019 — conf
An Adiabatic Sense and Set Rectifier for Improved Maximum-Power-Point Tracking in Piezoelectric Harvesting with 541% Energy Extraction Gain.
ISSCC
Yimai Peng, Kyojin David Choo, Sechang Oh, Inhee Lee, Tae-Kwang Jang, Yejoong Kim, Jongyup Lim, David T. Blaauw, Dennis Sylvester
2019 J jnl
An Efficient Piezoelectric Energy Harvesting Interface Circuit Using a Sense-and-Set Rectifier.
IEEE J. Solid State Circuits
Yimai Peng, Kyojin David Choo, Sechang Oh, Inhee Lee, Tae-Kwang Jang, Yejoong Kim, Jongyup Lim, David T. Blaauw, Dennis Sylvester
2019 — conf
Energy-Efficient Low-Noise CMOS Image Sensor with Capacitor Array-Assisted Charge-Injection SAR ADC for Motion-Triggered Low-Power IoT Applications.
ISSCC
Kyojin David Choo, Li Xu, Yejoong Kim, Ji-Hwan Seol, Xiao Wu, Dennis Sylvester, David T. Blaauw
2019 J jnl
Energy-Efficient Motion-Triggered IoT CMOS Image Sensor With Capacitor Array-Assisted Charge-Injection SAR ADC.
IEEE J. Solid State Circuits
Kyojin David Choo, Li Xu, Yejoong Kim, Ji-Hwan Seol, Xiao Wu, Dennis Sylvester, David T. Blaauw
2018 — conf
A 2.2 NEF Neural-Recording Amplifier Using Discrete-Time Parametric Amplification.
VLSI Circuits
Tae-Kwang Jang, Jongyup Lim, Kyojin David Choo, Samuel Nason, Jeongsup Lee, Jeongsup Oh, Seokhyeon Jeong, Cynthia A. Chestek, Dennis Sylvester, David T. Blaauw
2018 J jnl
A Maximum-Likelihood Sequence Detection Powered ADC-Based Serial Link.
IEEE Trans. Circuits Syst. I Regul. Pap.
Shiming Song, Kyojin David Choo, Thomas Chen, Sunmin Jang, Michael P. Flynn, Zhengya Zhang
2018 J jnl
A Noise Reconfigurable All-Digital Phase-Locked Loop Using a Switched Capacitor-Based Frequency-Locked Loop and a Noise Detector.
IEEE J. Solid State Circuits
Tae-Kwang Jang, Seokhyeon Jeong, Dongsuk Jeon, Kyojin David Choo, Dennis Sylvester, David T. Blaauw
2017 — conf
22.6 A fully integrated counter-flow energy reservoir for 70%-efficient peak-power delivery in ultra-low-power systems.
ISSCC
Xiao Wu, Kyojin David Choo, Yao Shi, Li-Xuan Chuo, Dennis Sylvester, David T. Blaauw
2017 — conf
8.4 A 2.5ps 0.8-to-3.2GHz bang-bang phase- and frequency-detector-based all-digital PLL with noise self-adjustment.
ISSCC
Tae-Kwang Jang, Seokhyeon Jeong, Dongsuk Jeon, Kyojin David Choo, Dennis Sylvester, David T. Blaauw
2017 J jnl
A Fully Integrated Counter Flow Energy Reservoir for Peak Power Delivery in Small Form-Factor Sensor Systems.
IEEE J. Solid State Circuits
Xiao Wu, Kyojin David Choo, Yao Shi, Li-Xuan Chuo, Dennis Sylvester, David T. Blaauw
2017 — conf
A start-up boosting circuit with 133× speed gain for 2-transistor voltage reference.
CICC
Dongkwun Kim, Wanyeong Jung, Sechang Oh, Kyojin David Choo, Dennis Sylvester, David T. Blaauw
2016 — conf
27.3 Area-efficient 1GS/s 6b SAR ADC with charge-injection-cell-based DAC.
ISSCC
Kyojin David Choo, John Bell, Michael P. Flynn