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CORRELATED DOUBLE SAMPLING CIRCUIT, AN IMAGE SENSOR, AND A METHOD FOR VARYING OUTPUT SIGNALS IN A CORRELATED DOUBLE SAMPLING CIRCUIT
CORRELATED DOUBLE SAMPLING CIRCUIT, AN IMAGE SENSOR, AND A METHOD FOR VARYING OUTPUT SIGNALS IN A CORRELATED DOUBLE SAMPLING CIRCUIT
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机译:相关的双采样电路,图像传感器以及用于改变相关的双采样电路中的输出信号的方法
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摘要
A correlated double sampling (CDS) circuit including a comparator, the comparator including: a signal input unit including a first transistor configured to receive a ramp signal and a second transistor configured to receive a pixel signal; and an offset generator unit connected to the signal input unit, the offset generator unit including at least two transistors, wherein in the offset generator unit, an aspect ratio of the at least two transistors in an auto-zeroing period and an aspect ratio of the at least two transistors in a pixel signal decoding period are different from each other.
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