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,A是开环增益,理想运放的开环增益是无穷大的,所以这里是认为无穷大,所以方程右侧Vout/A 趋近于0.