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本文提出了一种CCD(电荷耦合器件)中的电荷泵效应。这种效应会引起FDR(浮置扩散区)的电位漂移
并带来一种特殊的电荷转移损失。当有电荷泵效应存在时
浮置扩散放大器就不是非破坏性电压读出。电荷泵效应可以用完全复位转移的办法加以消除。由此对FDR的复位深度提出了一个限制。
In this paper
a charge pumping effect in CCD with floating diffusion region is introduced
which will lead to a voltage shift and a special charge transfer loss. With such an effect
floating diffusion amplifier can not be taken as a nondestructive voltage sensor of a signal. The effect can be obviated provided that floating diffusion is reset to a critical voltage during charge transfer process.
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