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You didn't include the load of the input of the next stage

-which affects that reading although not by much.

You'd need a bigger change before that sort of thing would be noticeable. As long as the values are chosen conservatively its no worries. We've used lower values in our stuff based on the idea of greater Johnson noise in higher value resistors (the series part). We use 49.9K and a 1M shunt.


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  • You didn't include the load of the input of the next stage - Ralph 14:27:58 04/18/25 (1)


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