ECE Seminar - Pursuing Better Amplifiers and Their Applications in ADCs
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Over the past several decades, we have been pursuing a better amplifier, how to achieve higher gain, higher linearity, and higher energy efficiency. In this report, we will introduce techniques including open-then-closed correlated level shifting, cascode capacitively degenerated dynamic amplifier, and input boosted inverter-based amplifier, which effectively increased the gain, linearity, and energy efficiency. Finally, we integrated these amplifiers into the ADCs, achieving a significant performance improvement.
Linxiao Shen received the Ph.D. Degree in Electrical and Computer Engineering from the University of Texas at Austin, Austin, Texas, USA, in 2019. He is currently an Assistant Professor with Peking University, Beijing, China. His current research interests include high-performance ADCs, intelligent sensor interfaces, imaging systems.
He received 2023 ISSCC the Anathan P. Chandraksan Distinguished-Technical-Paper Award, 2024 CICC Outstanding Student Paper Award, 2018-2019 IEEE Solid State Circuits Society Predoctoral Achievement Award. He serves on the Technical Program Committee of the IEEE Custom Integrated Circuits Conference (CICC) and was an Associate Editor of the TCAS-I.