Bob Blick wrote :

> Jan-Erik Soderholm writes:
> 
> > If you use an external ADC reference of 1.024 V
> 
> Not if you are using a PIC for your ADC!
> 
> The limit for ADC reference voltage is nowhere near that low, 
> on any PIC available.

OK, yes, fine...

My point was that by carefully selecting the ref.voltage
(and maybe the pre-processing of the analog signal),
you can simplify the processing needed after the ADC...

Jan-Erik.



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