运放输入20khz的正弦波,低通滤波截止频率100khz后有相位差,有啥办法解决吗
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
您好,
对于运放搭建的有源滤波器,在高于截止频率的频率有相移,这是正常现象,是滤波器固有的特性。
我在网上找到有移相电路,如下链接,希望对您有帮助: