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.
vca082单片理论上能放大40db，我做出来80倍左右，两片级联理论上因该有6400倍，但是结果却不是，只有300倍左右，有时还会自激震荡，两块板子是一样的
你好, 能否把你的电路图贴上来? 另外你的输入信号的幅度大小及偏置电平是多大? 谢谢!
