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.
Original question:
LM2904: 运放±12供电无法工作
3个20k分压电阻改为3个100k,输出正常,请问这是什么原因?
您好,
现象是在±15V供电时正常,换成±12V供电输出就不正常了是吗?同一块板子若将20K分压电阻换成100K输出又正常了是吗?两种供电电压测试过程中后级负载是一样的吗?
±12V供电输出异常时,是否同时实测了±12V供电电压正常?