[time-nuts] PRS-10 input and output calibrations

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Apr 23 06:15:39 UTC 2012


In message <CAL8XPmO0Wj2AUW8Q=-DrDGGDMdhTsteVJaMKgkXktgq=0J4CSA at mail.gmail.com>
, Azelio Boriani writes:

>That is very interesting in my opinion and, for those who have access to
>more than one PRS10, further investigation should be done. I had a new
>PRS10 and, just out-of-the-box, it locked (not instantly, of course) to the
>HP53508 PPS.

There are threel obvious issues:  Which flank you trigger on and
which polarity and width the output pulse has.

The output pulse from the PRS10 is pretty narrow, making it very
easy to mistakenly use the wrong flank.


-- 
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.



More information about the time-nuts mailing list