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54332设计的电路出问题了



之前是按12V供电设计的,工作时R13、R14没接,调节滑动变阻器(2K)输出电压只能达到10V左右,没达到我的设计要求。

于是用24V供电,然后测量发现输出电压与输入电压相等了。。。

这是什么情况啊??