Rf=200M,光敏二极管内阻更大,问题是用示波器测量输出时,遇到50HZ的噪声
输出1V的半波正弦信号,传感器响应后输出500mV的半波正弦信号。
问题:如何抑制50HZ的干扰信号?
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.