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Low-noise Transimpedance Amplifier Design using Chopper-stabilized Technique for Nanopore Applications
- Authors
- Park, Y.; Yun, J.-D.; Kim, J.
- Issue Date
- 2018
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Citation
- Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, v.2018-July, pp.3902 - 3905
- Journal Title
- Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
- Volume
- 2018-July
- Start Page
- 3902
- End Page
- 3905
- ISSN
- 1557-170X
- Abstract
- This paper presents a low-noise transimpedance amplifier (TIA) employing chopper-stabilized technique for nanopore applications. The TIA, which is used as a headstage for the monitoring system, must achieve low-noise performance to accurately measure a minute ionic current signal generated from the nanopore. In this work, we analyze detailed input- referred noise current of the capacitive-feedback TIA and propose a core amplifier adopting the chopper-stabilized technique to effectively reduce flicker noise in a bandwidth of interest for nanopore applications. This proposed circuit schematic is designed by harnessing 0.35 μ CMOS process and is verified using elaborate simulation results. © 2018 IEEE.
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Related Researcher
- Kim, Jung Suk
- College of IT Convergence (의공학과)