| 一种低噪声的生物微传感器CMOS读出电路研究 |
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| 引用本文： | 李向全,潘银松. 一种低噪声的生物微传感器CMOS读出电路研究[J]. 传感技术学报, 2009, 22(6) |
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| 作者姓名： | 李向全 潘银松 |
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| 作者单位： | 重庆大学光电技术及系统教育部重点实验室,重庆,400030 |
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| 基金项目： | Supported by Natural Science Foundation Project of CQ CSTC (2007BB2176) |
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| 摘 要： | 为提高生物微传感器的探测灵敏度,设计了一种低噪声的生物微传感器CMOS读出电路,提出了一种新型的相关双采样(CDS)电路.对读出电路的噪声进行抑制.在0.6μm CMOS工艺下,用Spectre仿真器对该电路进行了模拟,仿真结果表明,采用相关双采样的CMOS读出电路使传感器的输入输出转换具有良好的线性关系.
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| 关 键 词： | 生物传感器 恒电位仪 相关双采样 读出电路 |
Study of a low noise CMOS readout circuit for micro biosensor |
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| PAN Yinsong,ZHANG Renfu,WANG Ying,ZHANG Chengwei,LI Xiangquan,ZHANG Wei. Study of a low noise CMOS readout circuit for micro biosensor[J]. Journal of Transduction Technology, 2009, 22(6) |
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| Authors: | PAN Yinsong ZHANG Renfu WANG Ying ZHANG Chengwei LI Xiangquan ZHANG Wei |
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| Affiliation: | PAN Yinsong,ZHANG Renfu,WANG Ying,ZHANG Chengwei,LI Xiangquan,ZHANG Wei Key Laboratory of Optoelectronic Technology , System under the State Ministry of Education,Chongqing University,Chongqing 400044,China |
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| Abstract: | A CMOS readout circuit for biosensor that used a new Correlated Double Sampling(CDS)circuit was designed.The CDS circuit makes biosensor possible tO obtain high sensitivity and low noise features.Simulation was carried out on a 0.6μm CMOS process by Spectre simulator.The simulation results showed that a good linear relation between input and output of the biosensor has been obtained by using CMOS readout circuit based on CDS. |
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| Keywords: | biosensor potentiostat CDS readout circuit |
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