[time-nuts] Correcting jitter on the 1 PPSsignalfromaGPSreceiver.
tmiller11147 at verizon.net
Mon Sep 15 10:01:17 EDT 2014
Fast risetime pulses _are_ RF and need to be treated as such.
----- Original Message -----
From: "Tom Van Baak" <tvb at LeapSecond.com>
To: "Discussion of precise time and frequency measurement"
<time-nuts at febo.com>
Sent: Monday, September 15, 2014 9:43 AM
Subject: Re: [time-nuts] Correcting jitter on the 1
> How important are all these cable / termination / impedance issues for
> 1PPS signals? I know ringing and reflections are undesirable in many
> applications. But for 1PPS?
> I often use pick whatever cable, termination, and trigger level gives the
> cleanest edge, the best risetime. What happens to the signal tens or
> hundreds of nanoseconds after the edge seems irrelevant to me. Could one
> of you RF experts comment?
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> and follow the instructions there.
More information about the time-nuts