Re: Something to ponder

From: Frank Bemelman (f.bemelmanx_at_xs4all.invalid.nl)
Date: 10/06/04 

Date: Wed, 6 Oct 2004 21:04:06 +0200

"Winfield Hill" <Winfield_member@newsguy.com> schreef in bericht
news:cjv6ct0e9r@drn.newsguy.com...
> Mike Monett wrote...
> >
> > ChrisGibboGibson wrote:
> >>
> >> John Larkin wrote:
> >>
> >> [snip]
> >>
> >>>> Comparing the results with a 10 digit meter I got accuracy
> >>>> within 0.005% of the Vrefs I was using. That's quite amazing
> >>>> for a dollars worth of comparator and discretes.
> >>>
> >>> 10 digit DVM? Who makes that?
> >>
> >> Keithley, circa early 80s
>
> Really? 6.5 and 7.6 or even 8.5 digits, but 10 digits?
>
> Note, 6.5 or 7.5 digits lets one measure to better than 1ppm
> resolution, yet 0.005% is only 50ppm, or 5.5-digit territory.

Or did he mean a 10 digit price tag ;) 

-- 
Thanks, Frank.
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