Kyojin David Choo

According to our database, Kyojin David Choo authored at least 26 papers between 2012 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Design Methodology for Compact Single-Channel 3-Stage Capacitor-Array-Assisted Charge-Injection DAC-Based SAR ADC.

Chan-Ho Kye, Yu-Jin Byeon, Kyojin Choo, Min-Seong Choo

IEEE Trans. Circuits Syst. I Regul. Pap., November, 2024

An Ultralow-Power Triaxial MEMS Accelerometer With High-Voltage Biasing and Electrostatic Mismatch Compensation.

Yimai Peng, Seokhyeon Jeong, Kyojin Choo, Yejoong Kim, Li-Yu Chen, Rohit Rothe, Li Xu, Ilya Gurin, Omid Oliaei, Matthew J. Thompson, Stephen Bart, Peter Hartwell, David T. Blaauw, Dennis Sylvester

IEEE J. Solid State Circuits, July, 2024

2023

A 0.000261 mm² Single-Channel 1 GS/s 8-Bit 3-Stage Capacitor Array-Assisted Charge-Injection DAC-Based SAR ADC in 28 nm CMOS.

Chan-Ho Kye, Kyojin Choo

Proceedings of the IEEE Asian Solid-State Circuits Conference, 2023

2022

A 510-pW 32-kHz Crystal Oscillator With High Energy-to-Noise-Ratio Pulse Injection.

Li Xu, Taekwang Jang, Jongyup Lim, Kyojin David Choo, David T. Blaauw, Dennis Sylvester

IEEE J. Solid State Circuits, 2022

A Delta Sigma-Modulated Sample and Average Common-Mode Feedback Technique for Capacitively Coupled Amplifiers in a 192-nW Acoustic Analog Front-End.

Rohit Rothe, Minchang Cho, Kyojin Choo, Seokhyeon Jeong, Sechang Oh, Jungho Lee, Dennis Sylvester, David T. Blaauw

IEEE J. Solid State Circuits, 2022

A 184nW, 121µg/√Hz Noise Floor Triaxial MEMS Accelerometer with Integrated CMOS Readout Circuit and Variation-Compensated High Voltage MEMS Biasing.

Yimai Peng, Seokhyeon Jeong, Kyojin Choo, Yejoong Kim, Li-Yu Chen, Rohit Rothe, Li Xu, Ilya Gurin, Omid Oliaei, Vadim Tsinker, Stephen Bart, Peter Hartwell, David T. Blaauw, Dennis Sylvester

Proceedings of the IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits 2022), 2022

2021

Reference Oversampling PLL Achieving -256-dB FoM and -78-dBc Reference Spur.

Ji-Hwan Seol, Kyojin Choo, David T. Blaauw, Dennis Sylvester, Taekwang Jang

IEEE J. Solid State Circuits, 2021

An Ultra-Low-Power Image Signal Processor for Hierarchical Image Recognition With Deep Neural Networks.

Hyochan An, Sam Schiferl, Siddharth Venkatesan, Tim Wesley, Qirui Zhang, Jingcheng Wang, Kyojin Choo, Shiyu Liu, Bowen Liu, Ziyun Li, Luyao Gong, Hengfei Zhong, David T. Blaauw, Ronald G. Dreslinski, Hun-Seok Kim, Dennis Sylvester

IEEE J. Solid State Circuits, 2021

A 192 nW 0.02 Hz High Pass Corner Acoustic Analog Front-End with Automatic Saturation Detection and Recovery.

Rohit Rothe, Minchang Cho, Kyojin Choo, Seokhyeon Jeong, Dennis Sylvester, David T. Blaauw

Proceedings of the 2021 Symposium on VLSI Circuits, Kyoto, Japan, June 13-19, 2021, 2021

14.1-ENOB 184.9dB-FoM Capacitor-Array-Assisted Cascaded Charge-Injection SAR ADC.

Kyojin Choo, Hyochan An, Dennis Sylvester, David T. Blaauw

Proceedings of the IEEE International Solid-State Circuits Conference, 2021

2020

Sample and Average Common-Mode Feedback in a 101 nW Acoustic Amplifier.

Rohit Rothe, Sechang Oh, Kyojin David Choo, Seokhyeon Jeong, Minchang Cho, Dennis Sylvester, David T. Blaauw

Proceedings of the IEEE Symposium on VLSI Circuits, 2020

A 170μW Image Signal Processor Enabling Hierarchical Image Recognition for Intelligence at the Edge.

Hyochan An, Siddharth Venkatesan, Sam Schiferl, Tim Wesley, Qirui Zhang, Jingcheng Wang, Kyojin Choo, Shiyu Liu, Bowen Liu, Ziyun Li, Hengfei Zhong, Luyao Gong, David T. Blaauw, Ronald G. Dreslinski, Dennis Sylvester, Hun-Seok Kim

Proceedings of the IEEE Symposium on VLSI Circuits, 2020

3.3 A 0.51nW 32kHz Crystal Oscillator Achieving 2ppb Allan Deviation Floor Using High-Energy-to-Noise-Ratio Pulse Injection.

Li Xu, Tae-Kwang Jang, Jongyup Lim, Kyojin David Choo, David T. Blaauw, Dennis Sylvester

Proceedings of the 2020 IEEE International Solid- State Circuits Conference, 2020

2019

An Efficient Piezoelectric Energy Harvesting Interface Circuit Using a Sense-and-Set Rectifier.

Yimai Peng, Kyojin David Choo, Sechang Oh, Inhee Lee, Tae-Kwang Jang, Yejoong Kim, Jongyup Lim, David T. Blaauw, Dennis Sylvester

IEEE J. Solid State Circuits, 2019

Energy-Efficient Motion-Triggered IoT CMOS Image Sensor With Capacitor Array-Assisted Charge-Injection SAR ADC.

Kyojin David Choo, Li Xu, Yejoong Kim, Ji-Hwan Seol, Xiao Wu, Dennis Sylvester, David T. Blaauw

IEEE J. Solid State Circuits, 2019

An Adiabatic Sense and Set Rectifier for Improved Maximum-Power-Point Tracking in Piezoelectric Harvesting with 541% Energy Extraction Gain.

Yimai Peng, Kyojin David Choo, Sechang Oh, Inhee Lee, Tae-Kwang Jang, Yejoong Kim, Jongyup Lim, David T. Blaauw, Dennis Sylvester

Proceedings of the IEEE International Solid- State Circuits Conference, 2019

Energy-Efficient Low-Noise CMOS Image Sensor with Capacitor Array-Assisted Charge-Injection SAR ADC for Motion-Triggered Low-Power IoT Applications.

Kyojin David Choo, Li Xu, Yejoong Kim, Ji-Hwan Seol, Xiao Wu, Dennis Sylvester, David T. Blaauw

Proceedings of the IEEE International Solid- State Circuits Conference, 2019

2018

A Maximum-Likelihood Sequence Detection Powered ADC-Based Serial Link.

Shiming Song, Kyojin David Choo, Thomas Chen, Sunmin Jang, Michael P. Flynn, Zhengya Zhang

IEEE Trans. Circuits Syst. I Regul. Pap., 2018

A Noise Reconfigurable All-Digital Phase-Locked Loop Using a Switched Capacitor-Based Frequency-Locked Loop and a Noise Detector.

Tae-Kwang Jang, Seokhyeon Jeong, Dongsuk Jeon, Kyojin David Choo, Dennis Sylvester, David T. Blaauw

IEEE J. Solid State Circuits, 2018

A 2.2 NEF Neural-Recording Amplifier Using Discrete-Time Parametric Amplification.

Tae-Kwang Jang, Jongyup Lim, Kyojin David Choo, Samuel Nason, Jeongsup Lee, Jeongsup Oh, Seokhyeon Jeong, Cynthia A. Chestek, Dennis Sylvester, David T. Blaauw

Proceedings of the 2018 IEEE Symposium on VLSI Circuits, 2018

2017

A Fully Integrated Counter Flow Energy Reservoir for Peak Power Delivery in Small Form-Factor Sensor Systems.

Xiao Wu, Kyojin David Choo, Yao Shi, Li-Xuan Chuo, Dennis Sylvester, David T. Blaauw

IEEE J. Solid State Circuits, 2017

22.6 A fully integrated counter-flow energy reservoir for 70%-efficient peak-power delivery in ultra-low-power systems.

Xiao Wu, Kyojin David Choo, Yao Shi, Li-Xuan Chuo, Dennis Sylvester, David T. Blaauw

Proceedings of the 2017 IEEE International Solid-State Circuits Conference, 2017

8.4 A 2.5ps 0.8-to-3.2GHz bang-bang phase- and frequency-detector-based all-digital PLL with noise self-adjustment.

Tae-Kwang Jang, Seokhyeon Jeong, Dongsuk Jeon, Kyojin David Choo, Dennis Sylvester, David T. Blaauw

Proceedings of the 2017 IEEE International Solid-State Circuits Conference, 2017

A start-up boosting circuit with 133× speed gain for 2-transistor voltage reference.

Dongkwun Kim, Wanyeong Jung, Sechang Oh, Kyojin David Choo, Dennis Sylvester, David T. Blaauw

Proceedings of the 2017 IEEE Custom Integrated Circuits Conference, 2017

2016

27.3 Area-efficient 1GS/s 6b SAR ADC with charge-injection-cell-based DAC.

Kyojin David Choo, John Bell, Michael P. Flynn

Proceedings of the 2016 IEEE International Solid-State Circuits Conference, 2016

2012

A 14b extended counting ADC implemented in a 24Mpixel APS-C CMOS image sensor.

Jae-Hong Kim, Wun-ki Jung, Seung-hyun Lim, Yu-jin Park, Won-Ho Choi, Yun-Jung Kim, Chang-eun Kang, Jihun Shin, Kyojin Choo, Won-baek Lee, Jin-kyeong Heo, Byung-jo Kim, Se-jun Kim, Min-ho Kwon, Kwi-sung Yoo, Jin-Ho Seo, Seog-heon Ham, Chi-Young Choi, Gab-soo Han

Proceedings of the 2012 IEEE International Solid-State Circuits Conference, 2012