Hi Based on reports on the earlier Z3xxx’s , I would be careful about the low end of that supply range. There’s still way more range than you would ever need …
Bob > On Oct 26, 2014, at 11:42 PM, Bob Stewart <b...@evoria.net> wrote: > > Hi Bob, > The little brick says it's happy with 18-36V. > > Bob > From: Bob Camp <kb...@n1k.org> > To: Discussion of precise time and frequency measurement <time-nuts@febo.com> > Sent: Sunday, October 26, 2014 10:37 PM > Subject: Re: [time-nuts] float chargers for oscillator backup power > > HI > > We seem to have drifted a bit. > > This started out as a supply for the Z3xxx Lucent GPSDO’s. In those units, > you have a 24 volt switcher that is driven off of the battery or linear > supply. Since it’s designed as an isolated supply, I doubt the switcher in > the GPSDO is looking for a very clean input. The same is true of it’s need > for a tightly regulated input. Yes it’s efficiency will vary a bit with input > and so will heat in the box. Still, not a real big deal if the voltage drops > a volt or so when you go onto backup. The GPS is still running to keep > everything lined up. > > How fast to you need to re-charge the battery bank? For me, not very fast. To > keep the batteries healthy, maybe a bit faster than I would like. Lower > charge current is another reason to go with a smaller battery if you can get > away with it. > > Bob > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
