用multisim仿真都能做出来振荡波形 振荡频率也可调(通过V5调节) 可焊完电路板之后 示波器频率显示50hz 老师说是电路问题 没放大直流信号 放大的是220V交流电的信号 板子焊了好多次了 就是调不出来 求大神帮我看看

CodePudding user response:

I don't have much score a total of 50 points to pull out all the...

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Let the webmaster help you turn to the relevant section, is used here

CodePudding user response:

refer to the second floor of gypsy song response:

let the webmaster help you turn to the relevant section, here is essentially a

thank bosses!