[time-nuts] Beginner question - unexpected possible jitter in 1 PPS output of Motorola ONCORE UT+ module

Chris Albertson albertson.chris at gmail.com
Sat May 31 23:47:19 EDT 2014


I posted here some days ago an admission that I did exactly this by
accident once.  It is a very hard problem to debug because everything works
just fine, except for the very high jitter.   So I go looking for noise and
what not.    The problem was a wrong number of inverters.


On Sat, May 31, 2014 at 7:58 PM, Jean-Louis Oneto <jl.oneto at free.fr> wrote:

> ..... So if your divider is clocked on the falling edge of the 1PPS, you
> can expect a 1 ms jitter...

-- 

Chris Albertson
Redondo Beach, California



More information about the time-nuts mailing list