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模拟开关切换通道时的抖动问题

给光电二极管阵列一个反向偏置,然后再通过模拟开关选通某一个光电二极管然后再进行信号调理。在切换通道的时候会有约100us的抖动,波形见附件图,怎么样能去除这个抖动对信号的影响。(ps:需要50us左右采集一次信号)