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/diy/ - Do It Yourself

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>> No.1165442 [View]
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1165442

This is supposed to be a schematic for an analog optoisolator built around a LED and two detection photodiodes optocoupled in a HCNR200/HCNR201 die. I have some problem grasping how it is supposed to work, especially the amplification bit. Can someone help me to understand the theory of operation of this circuit?

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