4-6 CMDイメージセンサにおけるランダムノイズ

概要

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This paper describes the experimental results of the random noise of CMD image sensor and gives the guidelines to improve signal-to-noise ratio. The random noise consists of a dark current shot noise and a channel noise of CMD pixel transistor. While the dark current shot noise increased with temperature, the channel noise was less dependent on temperature. The dark current shot noise dominated the total random noise at high temperatures. To improve the signal-to-noise ratio of CMD image sensors, it is efficient that the transconductance of CMD is increased in addition to reduce the dark current.
社団法人映像情報メディア学会の論文
1995-07-26