测量光电流信号的一种简单方法

A simple method for measuring optogalvanic signal

本文介绍用运算放大器和RC网络构成的带通滤波器测量光电信号及其结果,此方法简单易行,适当选择取样电阻,可使误差小于2％。

In this paper, the me surement of optogalvanie signal（OGS） with a band-pass filler structured by an operational amplifier and a RC networkand its results are introduced,This method is simple and convenient.The error eanbe limited less than two percent when a sampling resistance is elected suitably.