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>> No.2044420 [View]
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2044420

>>2044414
>don't be coy, give all details
I'm still putting the schematic together but this is what I have so far. It's actually only 2 current sensors, not 3.

There's three quad op amps on the board. This one feeds into one of the circuits in the 2nd one and two of the other circuits in the 2nd one are used for PTC sensors. Third one has 3 unused circuits and haven't checked out what the fourth circuit is for.

All of them are powered on +15 / -15V



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