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.

• 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。