Time-nuts: I have an FTS4060 cesium beam reference. In search mode, so "control" runs up and down automatically, the "beam" setting remains just above zero (around 0.3V). Does this mean that the tube is dead? Anything else I should check? Thanks! Jim

Jim That sort of would indicate a failing tube. Absolutely there might be other issues. But I find the 4050 I have to be quite a pain to dig into. It had leaking caps in the 28V to 32V converter that really messed up the converter that also contained other circuitry. That 32V was critical and if wrong could be why you see what you do. Ovens being cold or wrong also. Lots of possibilities so don't give up. The 4050 is also discreet logic thats nice. But its built in a fairly compact format. Thats the challenge. Look forward to what you find. Paul WB8TSL On Sun, Mar 12, 2023 at 10:53 AM AC0XU (Jim) via time-nuts < time-nuts@lists.febo.com> wrote: > Time-nuts: > > I have an FTS4060 cesium beam reference. In search mode, so "control" runs > up and down automatically, the "beam" setting remains just above zero > (around 0.3V). Does this mean that the tube is dead? Anything else I > should check? > > Thanks! > Jim > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe send an email to time-nuts-leave@lists.febo.com >