原理图使用LM358画的。我实际用的OPA637 ,用的是两片637级联。级联出问题。我把后面一片去掉。只用前一片,可是在随频率升高电压降低很快,不论在那个频段增益在一附近就回自激震荡。求大神帮忙一点一二,不甚感激呀
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.