用于光电讯号检测的有源滤波器的计算机辅助设计

CAD FOR ACTIVE FILTER USED IN OPTO-ELECTRIC SIGNAL PROCESSING

本文介绍了有源滤波器的计算机辅助设计。采用了ＳＰＩＣＥ程序进行仿真。运算放大器采用由无源元件和受控源组成的线性模式。利用计算机仿真，不仅可以知道频域响应，而且可以知道时域响应。实验值和仿真值有良好的符合。

A CAD system for active filter is introduced. A simulator of the active filter using SPICE program is presented. An operational amplifier linear model is composed of passive elements and controlled sources. By using the simulator, we can not only obtain frequency responses but also obtain transient responses. Experiment results are in good agreement with the simulation.