Jeongjin Roh

Publication Activity (10 Years)

Years Active: 1998-2024
Publications (10 Years): 27

Top Topics

Analog To Digital Converter

Top Venues

IEEE Trans. Circuits Syst. II Express Briefs

Int. J. Circuit Theory Appl.

IEEE J. Solid State Circuits

Publications

Quanzhen Duan, Tao Tao, Wuxiong Weng, Shengming Huang, Yuhua Liang, Jeongjin Roh, Xinpeng Xing
A Less-Delay and Wide Conversion-Voltage-Range Level Shifter by Using Switched-Capacitor Technique for Power-Efficiency Health Electronics. IEEE Trans. Consumer Electron. 70 (1) (2024)
Taehyun Kim, Byeongik Kim, Jeongjin Roh
A 54-nA Quiescent Current Capless LDO With -39-dB PSRR at 1 MHz Using a Load-Tracking Bandwidth Extension Technique. IEEE Trans. Circuits Syst. II Express Briefs 71 (3) (2024)
Hwaseong Shin, Seokjae Song, Hyunji Jeong, Quanzhen Duan, Jeongjin Roh
Automatic Tuning of Negative-R Circuit for High-Performance 95-dB DR 5-kHz Bandwidth Continuous-Time Delta-Sigma Modulator. IEEE Trans. Circuits Syst. I Regul. Pap. 71 (6) (2024)
Tian Guo, Quanzhen Duan, Minseok Lee, Jeongjin Roh
A 464-nA Quiescent Current Buck Converter With 93.7% Peak Efficiency for IoT Devices. IEEE Trans. Ind. Electron. 71 (7) (2024)
Jaedo Kim, Hwaseong Shin, Sangwook Na, Quanzhen Duan, Jeongjin Roh
A 860.8-nW Low-Power Continuous-Time Delta-Sigma Modulator With Switched Resistors for Sensor Applications. ISCAS (2023)
Jung Sik Kim, Khurram Javed, Kyounghyun Min, Jeongjin Roh
A 13.5-nA Quiescent Current LDO With Adaptive Ultra-Low-Power Mode for Low-Power IoT Applications. IEEE Trans. Circuits Syst. II Express Briefs 70 (9) (2023)
Minseok Lee, Dongsu Lee, Jeongjin Roh
Bootstrap Capacitor Charge Control Method for GaN-based 4-Switch Buck-Boost Converter. ICECS (2023)
Jung Sik Kim, Khurram Javed, Jeongjin Roh
Design of a Low-Power and Area-Efficient LDO Regulator Using a Negative-R-Assisted Technique. IEEE Trans. Circuits Syst. II Express Briefs 70 (10) (2023)
Jung Sik Kim, Jeongjin Roh
Design of High PSRR Bandgap Reference Using Impedance-Splitting Negative-R-Assisted Technique. ICECS (2023)
Hwaseong Shin, Quanzhen Duan, Jaedo Kim, Sangwook Na, Jeongjin Roh
103.1-dB DR Switched-Resistor Delta-Sigma Modulator With Chopped Negative-R for Suppressing Low-Bandwidth Noise. IEEE Access 11 (2023)
Tian Guo, Woobin Kang, Jeongjin Roh
A 0.9-μA Quiescent Current High PSRR Low Dropout Regulator Using a Capacitive Feed-Forward Ripple Cancellation Technique. IEEE J. Solid State Circuits 57 (10) (2022)
Jaedo Kim, Quanzhen Duan, Jihun Choi, Chiho Song, Jeongjin Roh
A 2.16-μW Low-Power Continuous-Time Delta-Sigma Modulator With Improved-Linearity Gₘ for Wearable ECG Application. IEEE Trans. Circuits Syst. II Express Briefs 69 (11) (2022)
Jun Tang, Tian Guo, Jung Sik Kim, Jeongjin Roh
A Current-Mode Four-Phase Synchronous Buck Converter With Dynamic Dead-Time Control. IEEE Access 9 (2021)
Inho Jeon, Tian Guo, Jeongjin Roh
With an Additional Feedback Path for Buffer Turn-off Under Light-Load Conditions. IEEE Access 9 (2021)
Inho Jeon, Kyounghyun Min, Jinwoo Park, Jeongjin Roh, Deok-Ju Moon, Hyoung-Rae Kim
A Constant On-Time Buck Converter with Fully Integrated Average Current Sensing Scheme. ISOCC (2021)
Seokjae Song, Jaedo Kim, Jeongjin Roh
100.5 dB SNDR Analog Front-End With a Resistor-Based Discrete-Time Delta-Sigma Modulator for Eliminating Switching Noise and Harmonics. IEEE Access 9 (2021)
Jaedo Kim, Seokjae Song, Jeongjin Roh
A High Slew-Rate Enhancement Class-AB Operational Transconductance Amplifier (OTA) for Switched-Capacitor (SC) Applications. IEEE Access 8 (2020)
Jiho Moon, Jaeseong Lee, Seungjin Kim, Gyeongha Ryu, Ju-Pyo Hong, Juhyun Lee, Haifeng Jin, Jeongjin Roh
60-V Non-Inverting Four-Mode Buck-Boost Converter With Bootstrap Sharing for Non-Switching Power Transistors. IEEE Access 8 (2020)
Tian Guo, Jiho Moon, Jeongjin Roh
A Power Supply Rejection Compensated External Capacitor-Less Low Drop-Out Regulator. ISOCC (2019)
Jun Tang, Jaeseong Lee, Jeongjin Roh
Low-Power Fast-Transient Capacitor-Less LDO Regulator With High Slew-Rate Class-AB Amplifier. IEEE Trans. Circuits Syst. II Express Briefs (2) (2019)
Seokjae Song, Jaeseong Lee, Jeongjin Roh
A 20-MHz bandwidth, 75-dB dynamic range, continuous-time delta-sigma modulator with reduced nonidealities. Int. J. Circuit Theory Appl. 47 (8) (2019)
Khurram Javed, Jaejin Yeo, Jaeseong Lee, Jeongjin Roh
Fast-transient DC-DC converter using a high-performance error amplifier with a rapid output-voltage control technique. Int. J. Circuit Theory Appl. 45 (10) (2017)
Youngjae Jung, Quanzhen Duan, Jeongjin Roh
A 17.4-b Delta-Sigma Capacitance-to-Digital Converter for One-Terminal Capacitive Sensors. IEEE Trans. Circuits Syst. II Express Briefs (10) (2017)
Khurram Javed, Jeongjin Roh
LDO regulator with high power supply rejection at 10 MHz. IEICE Electron. Express 13 (24) (2016)
Younghyun Yoon, Quanzhen Duan, Jaejin Yeo, Jeongjin Roh, Jongjin Kim, Dongwook Kim
A Delta-Sigma Modulator for Low-Power Analog Front Ends in Biomedical Instrumentation. IEEE Trans. Instrum. Meas. 65 (7) (2016)
Quanzhen Duan, Youngjae Jung, Danbi Choi, Jeongjin Roh, Jongpal Kim
A 1.2 V 83 dB DR single-ended input SC ΔΣ modulator including a large-swing analog buffer for portable ECG applications. Int. J. Circuit Theory Appl. 44 (12) (2016)
Quanzhen Duan, Zhidong Wang, Jeongjin Roh
single-ended SC delta-sigma ADC for acoustic sensor applications. Int. J. Circuit Theory Appl. 44 (5) (2016)
Quanzhen Duan, Jeongjin Roh
A 1.2-V 4.2- ppm°C High-Order Curvature-Compensated CMOS Bandgap Reference. IEEE Trans. Circuits Syst. I Regul. Pap. (3) (2015)
Younghyun Yoon, Danbi Choi, Jeongjin Roh
A 0.4 V 63 µW 76.1 dB SNDR 20 kHz Bandwidth Delta-Sigma Modulator Using a Hybrid Switching Integrator. IEEE J. Solid State Circuits 50 (10) (2015)
Jaejin Yeo, Yongsuk Choi, Jeongjin Roh, Gunhee Han, Youngcheol Chae, Seogheon Ham
A Current Regulator for Inverter-Based Massively Column-Parallel ΔΣ ADCs. IEEE Trans. Circuits Syst. II Express Briefs (4) (2014)
Younghyun Yoon, Hyungdong Roh, Jeongjin Roh
A True 0.4-V Delta-Sigma Modulator Using a Mixed DDA Integrator Without Clock Boosted Switches. IEEE Trans. Circuits Syst. II Express Briefs (4) (2014)
Youngkook Ahn, Inho Jeon, Jeongjin Roh
A Multiphase Buck Converter With a Rotating Phase-Shedding Scheme For Efficient Light-Load Control. IEEE J. Solid State Circuits 49 (11) (2014)
Youngjae Jung, Hyungdong Roh, Jeongjin Roh
An Input-Feedforward Multibit Adder-Less Delta -Sigma Modulator for Ultrasound Imaging Systems. IEEE Trans. Instrum. Meas. 62 (8) (2013)
Youngkil Choi, Wonho Tak, Younghyun Yoon, Jeongjin Roh, Sunwoo Kwon, Jinseok Koh
A 0.018% THD+N, 88-dB PSRR PWM Class-D Amplifier for Direct Battery Hookup. IEEE J. Solid State Circuits 47 (2) (2012)
Youngkil Choi, Hyungdong Roh, Jeongjin Roh
A Bufferless Interface for Single-Ended ECM Sensors. IEEE Trans. Instrum. Meas. 61 (2) (2012)
Hyunseok Nam, Inseok Kim, Youngkook Ahn, Jeongjin Roh
DC-DC switching converter with positive and negative outputs for active-matrix LCD bias. IET Circuits Devices Syst. 4 (2) (2010)
Youngkil Choi, Jeongjin Roh, Hyungdong Roh, Hyunseok Nam, Songjun Lee
A 99-dB DR Fourth-Order Delta-Sigma Modulator for 20-kHz Bandwidth Sensor Applications. IEEE Trans. Instrum. Meas. 58 (7) (2009)
Hyungdong Roh, Hyoungjoong Kim, Youngkil Choi, Jeongjin Roh, Yi-Gyeong Kim, Jong-Kee Kwon
A 0.6-V Delta-Sigma Modulator With Subthreshold-Leakage Suppression Switches. IEEE Trans. Circuits Syst. II Express Briefs (11) (2009)
Youngkil Choi, Hyungdong Roh, Hyunseok Nam, Jeongjin Roh
99-dB High-Performance Delta-Sigma Modulator for 20-kHz Bandwidth. DELTA (2008)
Kyoungsik Kang, Jeongjin Roh, Youngkil Choi, Hyungdong Roh, Hyunsuk Nam, Songjun Lee
Class-D Audio Amplifier Using 1-Bit Fourth-Order Delta-Sigma Modulation. IEEE Trans. Circuits Syst. II Express Briefs (8) (2008)
Jeongjin Roh, San-Ho Byun, Youngkil Choi, Hyungdong Roh, Yi-Gyeong Kim, Jong-Kee Kwon
A 0.9-V 60-µW 1-Bit Fourth-Order Delta-Sigma Modulator With 83-dB Dynamic Range. IEEE J. Solid State Circuits 43 (2) (2008)
Jeongjin Roh
High-performance error amplifier for fast transient DC-DC converters. IEEE Trans. Circuits Syst. II Express Briefs (9) (2005)
Jeongjin Roh, Jacob A. Abraham
Subband filtering for time and frequency analysis of mixed-signal circuit testing. IEEE Trans. Instrum. Meas. 53 (2) (2004)
Jeongjin Roh, Jacob A. Abraham
A comprehensive signature analysis scheme for oscillation-test. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 22 (10) (2003)
Hak-soo Yu, Jacob A. Abraham, Sungbae Hwang, Jeongjin Roh
Efficient loop-back testing of on-chip ADCs and DACs. ASP-DAC (2003)
Jeongjin Roh, Jacob A. Abraham
A Comprehensive TDM Comparator Scheme for Effective Analysis of Oscillation-Based Test. VTS (2000)
Jeongjin Roh, Suresh Seshadri, Jacob A. Abraham
Verification of Delta-Sigma Converters Using Adaptive Regression Modeling. ICCAD (2000)
Jeongjin Roh, Jacob A. Abraham
A Mixed-Signal BIST Scheme with Time-Division Multiplexing (TDM) Comparator and Counters. VLSI Design (2000)
Jeongjin Roh, Jacob A. Abraham
Subband filtering scheme for analog and mixed-signal circuit testing. ITC (1999)
Jeongjin Roh, David J. Miller
A New Set Partitioning Method for Wavelet-based Image Coding. ICIP (1) (1998)