Sechang Oh

21 papers A 1Journal 7Unranked 13
YearRankTypeTitle / Venue / Authors
2022 J jnl
A Delta Sigma-Modulated Sample and Average Common-Mode Feedback Technique for Capacitively Coupled Amplifiers in a 192-nW Acoustic Analog Front-End.
IEEE J. Solid State Circuits
Rohit Rothe, Minchang Cho, Kyojin Choo, Seokhyeon Jeong, Sechang Oh, Jungho Lee, Dennis Sylvester, David T. Blaauw
2020 — conf
26.9 A 0.19×0.17mm
ISSCC
Jongyup Lim, Eunseong Moon, Michael Barrow, Samuel R. Nason, Paras R. Patel, Parag G. Patil, Sechang Oh, Inhee Lee, Hun-Seok Kim, Dennis Sylvester, David T. Blaauw, Cynthia A. Chestek, Jamie Phillips, Tae-Kwang Jang
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
A 1.74.12 mm
VLSI Circuits
Taewook Kang, Inhee Lee, Sechang Oh, Tae-Kwang Jang, Yejoong Kim, Hyochan Ahn, Gyouho Kim, Se-Un Shin, Seokhyeon Jeong, Dennis Sylvester, David T. Blaauw
2019 — conf
A 142nW Voice and Acoustic Activity Detection Chip for mm-Scale Sensor Nodes Using Time-Interleaved Mixer-Based Frequency Scanning.
ISSCC
Minchang Cho, Sechang Oh, Zhan Shi, Jongyup Lim, Yejoong Kim, Seokhyeon Jeong, Yu Chen, David T. Blaauw, Hun-Seok Kim, Dennis Sylvester
2019 J jnl
A 256 pixel, 21.6 μW infrared gesture recognition processor for smart devices.
Microelectron. J.
Ngoc Le Ba, Sechang Oh, Dennis Sylvester, Tony Tae-Hyoung Kim
2019 J jnl
An Acoustic Signal Processing Chip With 142-nW Voice Activity Detection Using Mixer-Based Sequential Frequency Scanning and Neural Network Classification.
IEEE J. Solid State Circuits
Sechang Oh, Minchang Cho, Zhan Shi, Jongyup Lim, Yejoong Kim, Seokhyeon Jeong, Yu Chen, Rohit Rothe, David T. Blaauw, Hun-Seok Kim, Dennis Sylvester
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 A conf
IoT
DATE
Sechang Oh, Minchang Cho, Xiao Wu, Yejoong Kim, Li-Xuan Chuo, Wootaek Lim, Pat Pannuto, Suyoung Bang, Kaiyuan Yang, Hun-Seok Kim, Dennis Sylvester, David T. Blaauw
2019 J jnl
The Internet of Tiny Things: Recent Advances of Millimeter-Scale Computing.
IEEE Des. Test
Sechang Oh, David T. Blaauw, Dennis Sylvester
2018 — conf
A 2.5nJ duty-cycled bridge-to-digital converter integrated in a 13mm
ISSCC
Sechang Oh, Yao Shi, Gyouho Kim, Yejoong Kim, Taewook Kang, Seokhyeon Jeong, 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
8.5 A 60%-efficiency 20nW-500µW tri-output fully integrated power management unit with environmental adaptation and load-proportional biasing for IoT systems.
ISSCC
Wanyeong Jung, Junhua Gu, Paul D. Myers, Minseob Shim, Seokhyeon Jeong, Kaiyuan Yang, Myungjoon Choi, Zhiyoong Foo, Suyoung Bang, Sechang Oh, Dennis Sylvester, David T. Blaauw
2016 — conf
A 260µW infrared gesture recognition system-on-chip for smart devices.
VLSI Circuits
Sechang Oh, Ngoc Le Ba, Suyoung Bang, Junwon Jeong, David T. Blaauw, Tony T. Kim, Dennis Sylvester
2015 — conf
27.6 A 0.7pF-to-10nF fully digital capacitance-to-digital converter using iterative delay-chain discharge.
ISSCC
Wanyeong Jung, Seokhyeon Jeong, Sechang Oh, Dennis Sylvester, David T. Blaauw
2015 J jnl
A Dual-Slope Capacitance-to-Digital Converter Integrated in an Implantable Pressure-Sensing System.
IEEE J. Solid State Circuits
Sechang Oh, Yoonmyung Lee, Jingcheng Wang, Zhiyoong Foo, Yejoong Kim, Wanyeong Jung, Ziyun Li, David T. Blaauw, Dennis Sylvester
2014 — conf
15.4b incremental sigma-delta capacitance-to-digital converter with zoom-in 9b asynchronous SAR.
VLSIC
Sechang Oh, Wanyeong Jung, Kaiyuan Yang, David T. Blaauw, Dennis Sylvester
2014 — conf
23.3 A 3nW fully integrated energy harvester based on self-oscillating switched-capacitor DC-DC converter.
ISSCC
Wanyeong Jung, Sechang Oh, Suyoung Bang, Yoonmyung Lee, Dennis Sylvester, David T. Blaauw
2014 J jnl
An Ultra-Low Power Fully Integrated Energy Harvester Based on Self-Oscillating Switched-Capacitor Voltage Doubler.
IEEE J. Solid State Circuits
Wanyeong Jung, Sechang Oh, Suyoung Bang, Yoonmyung Lee, Zhiyoong Foo, Gyouho Kim, Yiqun Zhang, Dennis Sylvester, David T. Blaauw
2014 — conf
Dual-slope capacitance to digital converter integrated in an implantable pressure sensing system.
ESSCIRC
Sechang Oh, Yoonmyung Lee, Jingcheng Wang, Zhiyoong Foo, Yejoong Kim, David T. Blaauw, Dennis Sylvester