[time-nuts] Correcting jitter on the 1 PPSsignalfromaGPSreceiver.

Didier shalimr9 at gmail.com
Thu Sep 18 10:41:35 UTC 2014


Hi Tom,

This page will show you the kind of problems to expect:

http://ko4bb.com/Test_Equipment/CoaxCableMatching.php

Didier KO4BB

On September 15, 2014 8:43:21 AM CDT, Tom Van Baak <tvb at LeapSecond.com> wrote:
>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?
>
>/tvb
>
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-- 
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