半导体光子学与技术, 2010, 16 (1): 24, 网络出版: 2011-08-19  

Design of Readout Circuit Based on Probe Neural Biosensor

Design of Readout Circuit Based on Probe Neural Biosensor
作者单位
Key Laboratory of Optoelectronic Technology and System under the State Ministry of Education, Chongqing University, Chongqing 400030, CHN
摘要
Abstract
According to the characteristics of neural signal, a low-voltage and high-speed operational transconductance amplifier has been realized as a direct readout circuit. To reduce the size and cost of this chip, the amplifier uses feedforward compensation technique without Miller capacitor. Using capacitors as a closed-loop feedback not only amplifies the neural signal, but also reduces chip power consumption by replacing the feedback resistor. Simulations were carried out with 0.18 m CMOS technology, and the simulation results satisfied the requirements of neural signal.

PAN Yinsong, ZHANG Chengwei, LIU Fenglin, YANG Shuaiju. Design of Readout Circuit Based on Probe Neural Biosensor[J]. 半导体光子学与技术, 2010, 16(1): 24. PAN Yinsong, ZHANG Chengwei, LIU Fenglin, YANG Shuaiju. Design of Readout Circuit Based on Probe Neural Biosensor[J]. Semiconductor Photonics and Technology, 2010, 16(1): 24.

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