[time-nuts] Z3815A Internal SMA 10Mhz Output

Azelio Boriani azelio.boriani at screen.it
Tue Aug 21 04:38:02 EDT 2012


Every GPSDO has only one 10MHz signal: the one coming from the OCXO. If
there are many outputs they must always be the same. When the GPS has the
3D fix (or the position hold) and the algorithm has synchronized the OCXO,
the 10MHz can be said "locked" but, when speaking about GPSDO, the correct
word should be "disciplined". Yes, maybe there are NCOs and/or synthesizers
to put out different synchronized frequencies and signals based on the OCXO
10MHz.

On Tue, Aug 21, 2012 at 1:14 AM, Jerry <jsternmd at att.net> wrote:

> In ZL1BPU's  GPSR-A User Manual, it mentions that there are internal points
> that provide access to regenerated system 1pps, 10MHz and 19.6608MHz square
> wave signals which are present even before the system is locked.  After GPZ
> lock is the internal 10Mhz SMA connector output identical to 10MHz sine
> wave
> reference available from the rear coaxial connector block?
>
> Jerry
> K1JOS
>
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