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.

同相比例运算电路如果同相输入端电阻为200K,要求放大20倍其它电阻如何选择



 同相端电阻200K不能改,200k=R1//RF  能否在RF和R1结点与运放第2脚之间加一个接近200k电阻