[time-nuts] TAPR Clockblock and USRP (GnuRadio) anyone ?

Matt Ettus boyscout at gmail.com
Sat Jan 13 16:21:06 EST 2007


On 1/13/07, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> In message <1025.134.53.50.125.1168708295.squirrel at fluffles.febo.com>, jra at febo.com writes:
> >>
>
> Actually the USRP v4 seems to have a VCXO already:
>
>         http://gnuradio.org/svn/usrp-hw/trunk/USRP_REV_4_2/clock.pdf

Actually, it isn't.  Its a plain crystal oscillator.  Selected for
very low jitter, but it does have up to 50 ppm drift over temperature.

Matt



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