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A 105.6dB DR and 65dB peak SNR self-reset CMOS image sensor using a Schmitt trigger circuit

机译:使用Schmitt触发电路,105.6dB DR和65dB峰值SNR自复位CMOS图像传感器

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摘要

A self-reset pixel level CMOS image sensor (CIS) is designed and tested which provides simultaneous improvements in dynamic-range (DR) and SNR performances. The pixel is fabricated in 0.5-µm 3-metal 2-poly CMOS technology and resulted in DR of 105.6dB with 65dB of peak SNR improvements. A simple Schmitt trigger circuit with offset cancellation technique is utilized to achieve this performance which compensates for the reset offset, comparator offset and reset delay.
机译:设计和测试了自复位像素级CMOS图像传感器(CIS),其在动态范围(DR)和SNR性能方面提供了同时改进。像素以0.5μm3-金属2-polyCMOS技术制造,并导致105.6dB的DR,具有65dB的峰值SNR改进。利用具有偏移消除技术的简单施密特触发电路来实现这种性能,该性能补偿了复位偏移,比较器偏移和复位延迟。

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