> HI All, Hope you all have a very "entertaining " 2004 ;)
>
> Does anyone have an idea of how i can increase the sensitivity of
> a 10 bit A/D
> on a 12f675 ?
>
> In the old days with the 80c515/535 , we used to change the
> reference voltage
> after some basic measurements and then "squeeze" out a few more bits of
> precision.

        What about just super sampling? Say something like an external sample and
hold crircuit followed by multiple samples with your 10bit A/D? If your
signal is not changing quickly you can even skip the external sample and
hold. TTYL


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