Arecibo did a kind of cute trick with their distributed 1PPS. The one second pulses were of one length (100 ns as I recall), but the 10 sec boundaries had the pulses be about twice that length. One could carry this scheme to considerable lengths as desired.
Dana On Tue, Aug 14, 2018 at 4:00 PM, Attila Kinali <att...@kinali.ch> wrote: > On Tue, 14 Aug 2018 20:52:50 +0200 > "Bernd Neubig" <bneu...@t-online.de> wrote: > > > Is there any common practice for the duty cycle of the 1 PPS pulse? > > As short as the consumer can take. Because a long pulse means that > you are wasting energy and heating up both the pulse generator > and the consumer. As TvB wrote, it varies from a few µs to a few ms. > > Attila Kinali > -- > It is upon moral qualities that a society is ultimately founded. All > the prosperity and technological sophistication in the world is of no > use without that foundation. > -- Miss Matheson, The Diamond Age, Neal Stephenson > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to http://lists.febo.com/mailman/ > listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
