[time-nuts] Building a GPSDO & trouble using Jupiter-T

Azelio Boriani azelio.boriani at screen.it
Thu Feb 2 22:48:19 UTC 2012


Hence the need for a 100PPS from a Motorola, the 800Hz from a uBlox, the
10KHz from the Jupiter T, the 10MHz from the CW12 (the WI version, recently
developed thanks to the time-nuts list).
Anyway I still think that an analog GPSDO 1PPS based can be done. Maybe not
the best accuracy can be obtained but it can be done. I'm sure Robert Pease
would have had something to say about this topic.

On Thu, Feb 2, 2012 at 11:06 PM, Chris Albertson
<albertson.chris at gmail.com>wrote:

> On Thu, Feb 2, 2012 at 6:42 AM,  <shalimr9 at gmail.com> wrote:
> > Magnus,
> >
> > How do they compare in price to the receivers we normally use for timing?
> >
> > Do you see any advantage for a timing receiver to fix faster than once
> per second?
>
> This thread got started when someone asked if an analog PLL would work
> for building a GSPDO.  For that you do need timing pulses much faster
> then 1PPS.
>
> But the analog PLL are not the way to go for best accuracy.
> --
>
> Chris Albertson
> Redondo Beach, California
>
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