I hear you and thats a great idea, however, i really need the extra 2 bits of
precision as the values i'm reading are repeatable and stable as is. The
point is that with a 10 bit output, the values are a bit rough and i need to
see smaller changes

J
On Thursday 15 January 2004 23:11, you wrote:
> > 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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