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     áòèé÷ :: Filmscanners
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[filmscanners] RE: scanner dmax discussion




Hi Berry,

> >>> OK, so
> >>> here is an exercise for you.  The CCD has an output voltage of
> >> 0-2.5V, with
> >>> a noise of .001V.  How many bits do you need to "sample" the
> >> data with such
> >>> that the entire dynamic range available from the CCD data is
> >> captured, and
> >>> why?
> >>
> >> 12?
> >
> > Let's see... 2.5 / .001 = 2500, and the nearest binary power
> that'll hold
> > 2500 values is 12...so I'd say that's correct.
> >
> > Regards,
> >
> > Austin
>
> That's how I did it, too.

Amazing how simple it actually is ;-)

Regards,

Austin

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