[time-nuts] Correcting jitter on the 1 PPSsignalfromaGPSreceiver.
tshoppa at gmail.com
Mon Sep 15 10:23:56 EDT 2014
Some good refs on coax driving showing scope traces for ringing etc:
On Mon, Sep 15, 2014 at 9:43 AM, 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?
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