[time-nuts] 31bit ADC, 1000 samples per second

Azelio Boriani azelio.boriani at screen.it
Mon Dec 10 14:38:42 UTC 2012


31-bit is 186dB... with what do you compare that device? What kind of
reference is needed?

On Sun, Dec 9, 2012 at 11:18 PM, Bob Camp <lists at rtty.us> wrote:

> Hi
>
> It's the "big brother" of the ADS127x parts that I mentioned a little
> while back. I'm sure it works quite well. The 127x's are fine parts. The
> internal filtering combined with the chopper is a very nice combination.
>
> Bob
>
> On Dec 9, 2012, at 5:13 PM, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
>
> >
> > I'm doing some work with a couple of geophones (long story...) and
> > stumbled across TI's ADS1282 geophone ADC.
> >
> > It has some pretty amazing specs for low frequencies, and having played
> > with the EVAL board for an evening here in my lab, I'm pretty impressed.
> >
> > People working with close-in phase-noise measurements may want to
> > consider this chip...
> >
> > --
> > Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> > phk at FreeBSD.ORG         | TCP/IP since RFC 956
> > FreeBSD committer       | BSD since 4.3-tahoe
> > Never attribute to malice what can adequately be explained by
> incompetence.
> >
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