They also suffer from all the typical electronic component age related faults. I had 5 units that had four bad capacitors each, for instance, and after replacing the caps, they run well. Regards,
Jerry > On May 1, 2018, at 6:16 AM, Bob kb8tq <kb...@n1k.org> wrote: > > Hi > > Ok, quick intro to Rb standards: > > On an Rb you have a light bulb. It’s a really weird bulb but a bulb none the > less. > On most (but not all ) designs the bulb has a finite life. Various > improvements > over the years have stretched out the life. Just when which outfits did which > improvements …. who knows …. > > Rb’s need to run hot. They have a couple of heated zones inside the physics > package. Heat and electronics are not a good combo. Various designs have > issues on the stuff inside the hot zones. > > In addition to all this, they have crystal oscillators that drift. Once the > oscillator > drifts far enough, the device isn’t going to lock up. > > That’s a quick, very non-specific to your unit, list. > > Bob > >> On May 1, 2018, at 5:18 AM, Paul Bicknell <p...@bicknells.f2s.com> wrote: >> >> Hi all new member hear could any of you help with the following information >> >> >> >> As I have just bought a Racal 9475 Rubidium and it has problems >> >> >> >> Is there any stock faults ? >> >> What is the life of the rubidium standard? >> >> >> >> Regards Paul >> >> _______________________________________________ >> 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. _______________________________________________ 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.
