About Me
Bo Gao (髙 波) is interested in data converters with particular emphasis on high-speed high-resolution analog-to-digital converter (ADC), and related calibrations. (E-mail: gaobo@kaist.ac.kr)
Education
- • Ph.D. in EE, KAIST, Daejeon, KR - (08/2020~11/2025) - Adviser: Prof. Seung-Tak Ryu
Dissertation, ‘Design of High-Speed Pipelined ADC Based on the Closed-Loop Dynamic Residue Amplifiers’. - • M.S. in EE, SEU, Nanjing, CN - (09/2017~06/2020) - Adviser: Prof. Jianhui Wu
Thesis, ‘Design of 16-Bit 32-MS/s Pipelined SAR ADC for Radar System’, M.S. Thesis Award of SEU. - • B.S. in EE, NUPT, Nanjing, CN - (09/2013~06/2017) - Adviser: Prof. Debo Wang
Thesis, ‘Design of Radiation Monitoring System with Photodiode’, B.S. Thesis Award of Jiangsu Province.
Experience
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South Korean National Researcher (No.13032983)
-Mixed-Signal Integrated Circuits Laboratory (09/2020~Present)
• Samsung Project (08/2023~12/2024): Power-Efficiency High-Speed Pipelined ADC with Closed-Loop Dynamic Residue Amplifier
Design of Single-Channel 12-bit 800-MS/s Pipelined ADC with Noise Reduction.
• Samsung Project (01/2022~07/2023): Ultrahigh Performance ADCs for SDR Applications
Design of Single-Channel 12-bit 600-MS/s Pipelined ADC, (Published in ASSCC'24 & TCAS-I'25; Invited by SSCL).
• Samsung Project (09/2020~10/2021): Ring Amplifier with Adaptive Deadzone Control
Design of Single-Channel 10-bit 320-MS/s Pipelined ADC, (Design Assistant). -
Joint Training Engineer
-Nanjing Low Power IC Technology Institute. (03/2018~12/2019)
• Design of Gainboosting Op-Amp in TSMC 40-nm CMOS.
• Design of Ultra-Low Power Incremental Sigma-Delta Modulator (ISDM) in TSMC 40-nm CMOS.
• Layout of Gainboosting Op-Amp and Clock Generator for 14-Bit Pipelined ADC in TSMC 0.18-μm CMOS. -
Teaching Assistant (TA)
• EE201-Circuit Theory, KAIST, Daejeon, KR. (03~06, 2025)
• IC Design Education Center (IDEC), DongTan, KR. (09~10, 2022)
• Analog Electronic Circuit, SEU, Nanjing, CN. (09~12, 2017)
Conference
- Bo Gao, Lizhen Zhang, Raymond Mabilangan, Chang-Un Park, Kent Edrian Lozada, Ho-Jin Kim, Youngjae Cho, Michael Choi, and Seung-Tak Ryu, "A 28nm CMOS 12-bit-600-MS/s 15.6mW Pipelined ADC with Two-Stage Gainboosting FIA-based RA," IEEE Asian Conference on Solid-State Circuits (ASSCC), Nov., 2024, pp. 1-3.
- Bo Gao, Xin Li, Chenggang Yan, and Jianhui Wu, "Active noise shaping SAR ADC based on ISDM with the 5MHz bandwidth," IEEE International Symposium on Circuits and Systems (ISCAS), Oct., 2020, pp. 1-4.
- Lizhen Zhang, Bo Gao, Kun-Woo Park, Hyeongjin Kim, Kent Edrian Lozada, Ye-Dam Kim, Jianhui Wu, and Seung-Tak Ryu, "A 5x OSR 1MHz-BW 81dB-SNDR 5th-Order Noise-Shaping SAR ADC with Zero-Optimized 3rd-Order Integrator," IEEE Asian Conference on Solid-State Circuits (ASSCC), Nov., 2024, pp. 1-3.
- Jinghao Zhao, Yihong Qing, Zheyi Li, Bo Gao, Jeffrey Prinzie, Frédéric Saigné, Paul Leroux, "A Wide-Range Body Biasing Technique for Analog ICs in 22nm FD-SOI Under Total Ionizing Dose Radiation Harsh Environment," RADiation Effects on Components and Systems (RADECS) Conference, Sep., 2024, pp.1-3.
Journal
- Bo Gao, Raymond Mabilangan, Chang-Un Park, Kent Edrian Lozada, Ho-Jin Kim, Youngjae Cho, Michael Choi, and Seung-Tak Ryu, "A 12-bit 600-MS/s Pipelined ADC With Two-Stage High-Gain Dynamic Amplifier in 28-nm CMOS," IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I), Early Access, Oct., 2025.
- Lizhen Zhang, Bo Gao, Kun-Woo Park, Raymond Mabilangan, Kent Edrian Lozada, Hyeongjin Kim, Jianhui Wu, and Seung-Tak Ryu, "DR Loss-Free Dithering-Based Digital Background Linearity Calibration for SAR-Assisted Multi-Stage ADCs with Digital Input-Interference Cancellation," IEEE Open Journal of Circuits and Systems (OJCAS), vol. 5, pp. 349-364, Oct., 2024.
- Raymond Mabilangan, Bo Gao, Charlie Tahar, Kent Edrian Lozada, Dong-Jin Chang, and Seung-Tak Ryu, "A Single-Step Relative-Prime-Rotation Based Background Timing-Skew Calibration with MAD-Averaging," IEEE Open Journal of the Solid-State Circuits Society (OJ-SSCS), Under Review, Nov., 2025.
- Kent Edrian Lozada, Bo Gao, Raymond Mabilangan, Kun-Woo Park, Charlie Tahar, Young-Hun Moon, Kwan-Hoon Song, and Seung-Tak Ryu, "A SAR-Assisted Continuous-Time M-0 MASH Delta-Sigma Modulator with Digital-Domain Noise Leakage Shaping," IEEE Open Journal of Circuits and Systems (OJCAS), Under Review, Nov., 2025.
- Bo Gao, Xin Li, Jie Sun, and Jianhui Wu, "Modeling of high-resolution data converter: Two-step pipelined-SAR ADC based on ISDM," Electronics, vol. 9, no. 1, pp. 137-155, Jan., 2020.
- Bo Gao, Jing Yang, Si Jiang, and Debo Wang, "Application of the thermoelectric MEMS microwave power sensor in a power radiation monitoring system," Journal of Semiconductors, vol. 37, no. 8, pp. 1-3, Aug., 2016.
- Xing Li, Bo Gao, Chenggang Yan, Desheng Ding, and Jianhui Wu, "Difference-equalisation based estimation of timing skew for time-interleaved ADCs in communication systems," Electronics Letters (Electron. Lett.), vol. 55, no. 25, pp. 1331-1333, Dec., 2019.
Patent
- High-gain and high-linearity dynamic amplifier for ADCs, CN109474249A, 2019.
- An angle measurement system and measurement method based on a linear hall sensor, CN106500584A, 2019.
- Separation system of horizontal synchronizing signal and vertical synchronizing signal in video, CN105933574B, 2019.
- High-precision microwave power detector based on cascaded cantilever beam structure and fabrication method, CN106199173A, 2016.
Scholarship, Award (First Contributor)
- State Scholarship Fund (Oversea PhD. Program), China Scholarship Council (CSC), 2021 ~ 2025.
- PhD. Full Scholarship, KAIST, 2020 ~ 2024.
- Excellent Paper Award, the 117-th Anniversary of Southeast University, Nanjing, CN, 2019.
- The First Global Elite PhD. Semiconductor Challenge, First Prize, Chongqing, CN, 2021.
- The 2nd National College Student Integrated Circuit Innovation and Entrepreneurship Competition, Second Prize, Nanjing, CN, 2018.
- The 6th National College Student Integrated Circuit Design Competition, First Prize, Beijing, CN, 2016.
- National College Student Electronic Design Competition – Jiangsu Province TI (Texas Instruments) Cup, First Prize, Nanjing, CN, 2015.