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나노기공센서를 활용한 DNA 분석용 초저잡음 트랜스 임피던스 집적회로 설계
윤정대(Jeong-dae Yun),박유경(Youkyeong Park),김재건(Jaegun Kim),조예은(Yeeun Jo),김정석(Jungsuk Kim) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.6
This paper presents an integrated ultra low-noise transimpedance amplifier citcuit design for nanopore applications. Recently, nanopore sensors have been used to analyze DNA molecules by detecting a base-specific ionic current modulation on a nanopore sensor. To monitor the minite current variation in the pico-ampere range, it is important to develop a low-noise transimpedance amplifier to convert the small ionic current to a readable voltage range for digitization. In this paper, we propose an ultra low-noise transimpedance amplifier circuit design adopting Huijsing amplifier, and then simulate its electrical performances using a 0.35μm 2P4M CMOS process parameter.