Hyungdong Roh

11 papers Journal 9Unranked 2
YearRankTypeTitle / Venue / Authors
2025 J jnl
A Charge-Domain ELDC Technique With CDAC-Reusing for High-Speed Delta-Sigma Modulators.
IEEE Access
Jihun Choi, Taehun Kim, Jiseop Lee, Woong-Taek Lim, Hyungdong Roh, Kyung-Hoon Lee, Michael Choi, Jeongjin Roh
2024 J jnl
High-Precision Built-In Phase Noise Measurement Circuit With a Hybrid ΔΣ Time-to-Digital Converter for SoC Clocking Applications.
IEEE Trans. Circuits Syst. II Express Briefs
Jihun Choi, Sangwook Na, Hojin Kim, Hyungdong Roh, Youngjae Cho, Michael Choi, Min-Seong Choo, Jeongjin Roh
2021 — conf
A 12b 600MS/s Pipelined SAR and 2x-Interleaved Incremental Delta-Sigma ADC with Source-Follower-Based Residue-Transfer Scheme in 7nm FinFET.
ISSCC
Seung-Yeob Baek, Il-Hoon Jang, Michael Choi, Hyungdong Roh, Woongtaek Lim, Youngjae Cho, Jongshin Shin
2014 J jnl
A True 0.4-V Delta-Sigma Modulator Using a Mixed DDA Integrator Without Clock Boosted Switches.
IEEE Trans. Circuits Syst. II Express Briefs
Younghyun Yoon, Hyungdong Roh, Jeongjin Roh
2013 J jnl
An Input-Feedforward Multibit Adder-Less Delta -Sigma Modulator for Ultrasound Imaging Systems.
IEEE Trans. Instrum. Meas.
Youngjae Jung, Hyungdong Roh, Jeongjin Roh
2012 J jnl
A Bufferless Interface for Single-Ended ECM Sensors.
IEEE Trans. Instrum. Meas.
Youngkil Choi, Hyungdong Roh, Jeongjin Roh
2009 J jnl
A 0.6-V Delta-Sigma Modulator With Subthreshold-Leakage Suppression Switches.
IEEE Trans. Circuits Syst. II Express Briefs
Hyungdong Roh, Hyoungjoong Kim, Youngkil Choi, Jeongjin Roh, Yi-Gyeong Kim, Jong-Kee Kwon
2009 J jnl
A 99-dB DR Fourth-Order Delta-Sigma Modulator for 20-kHz Bandwidth Sensor Applications.
IEEE Trans. Instrum. Meas.
Youngkil Choi, Jeongjin Roh, Hyungdong Roh, Hyunseok Nam, Songjun Lee
2008 — conf
99-dB High-Performance Delta-Sigma Modulator for 20-kHz Bandwidth.
DELTA
Youngkil Choi, Hyungdong Roh, Hyunseok Nam, Jeongjin Roh
2008 J jnl
A 0.9-V 60-µW 1-Bit Fourth-Order Delta-Sigma Modulator With 83-dB Dynamic Range.
IEEE J. Solid State Circuits
Jeongjin Roh, San-Ho Byun, Youngkil Choi, Hyungdong Roh, Yi-Gyeong Kim, Jong-Kee Kwon
2008 J jnl
Class-D Audio Amplifier Using 1-Bit Fourth-Order Delta-Sigma Modulation.
IEEE Trans. Circuits Syst. II Express Briefs
Kyoungsik Kang, Jeongjin Roh, Youngkil Choi, Hyungdong Roh, Hyunsuk Nam, Songjun Lee