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关于光耦HCNR201的输入和输出的关系

Other Parts Discussed in Thread: LM358

在LM358输入一信号,峰峰值为2VPP,HCNR201的5脚输出1.2VPP,想不通是怎么算的,还有LM358的7脚输出,我觉的应该是一个比较器,输出应该是电源电压,可输出不是,感觉像噪声。

原标题如下:

http://bbs.21ic.com/icview-693126-1-2.html