Build one yourself, Detector diode on primary RF input when output drops use a rf relay or PIN diode switch to fail over to backup standard. All thats needed is a crossing detector and relay / switch driver
Yes there would be a momentary hit but it would work. Content by Scott Typos by Siri On Jul 26, 2018, at 4:13 PM, Bob kb8tq <kb...@n1k.org> wrote: Hi They are a pretty rare item. A more common approach is a disciplined oscillator that will do failover on it’s inputs. That’s still a rare item, but at least a possible thing to find. The equally big problem will be getting doc’s on one if you do find it…. Bob > On Jul 26, 2018, at 2:45 PM, W7SLS <w7sls.sc...@gmail.com> wrote: > > Hello, > > Looking for recommendation for a ‘failover’ or ‘redundant’ switch for 10 MHz > distribution. > > Not really sure of the correct term. > Something that sensed RF on primary 10 MHz, and then switched to secondary > on fail of primary. > > A brief search showed several very nice $$$ items, suitable for commercial > applications, > but I wonder if there are some “last year’s” (but not last century) versions > that would work for a home lab. > > Context: > > I have a GPSDO and a Rb source of 10 MHz. > The power supply on the GPSDO failed (worked enough to light up the GPSDO, > but not enough to lock). > I have a new power supply on order, but would be nice to have “insurance”. > > Thanks in advance for the group bandwidth. > > Scott > W7SLS > _______________________________________________ > 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. _______________________________________________ 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.
