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.

求高手指点



求高手指点输入AC220V输出DC电压波文小于0.3V(是采样电路:对正负200V的交流信号,分别做电压,电流信号的ADC,读出实际值,并能观察电压,电流信号的波行。)谢谢