底下是我所列的传递函数。不知道最后一个是否正确?
图上的滤波器,只要去掉C2与C5就可以消除自激?请问为什么
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C2 C5为什么加呢?我看了下Sallenkey低通滤波器拓扑,好像没这俩电容啊,你能说下你的滤波器设计的参数么。
如果其他电容是用针对滤波器计算得出的,应该不会引起自激。