RE: 8 verses 16 bit

["gary" <gsellani@xxxxxxxxxxxxx>]

Note that the ability to digitize the noise is what lets averaging reduce
noise in the first place.

I don't have a problem with the data conversion hardware being a bit better
than the analog source, i.e. a little margin is good.



> -----Original Message-----
> From: owner-scan@leben.com [mailto:owner-scan@leben.com]On Behalf Of
> Raphael Bustin
> Sent: Tuesday, March 05, 2002 3:42 AM
> To: scan@leben.com
> Subject: Re: 8 verses 16 bit
>
>

>
> In "real life," S/N ratios and noise limits make it hard to
> reasonably capture more than 8-10 meaningful bits from
> a CCD.  Bear in mind that the data is taken serially, at
> pretty high rates, from the CCD imager, so gain-bandwidth
> product is a real issue here.
>
>
> rafe b.
>

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