Hi The -12 runs the RS-232 and the negative supply to the DAC buffer. As long as it's past about -7V everything works pretty well. With no negative supply the DAC may have issues. Most of the OCXO"s run right around 0V….
Bob On Aug 25, 2012, at 8:55 PM, Hal Murray <hmur...@megapathdsl.net> wrote: > > li...@rtty.us said: >> The -12 supply is very low current and does not matter much. > > Is the -12 used only for the RS-232, or is it also the negative supply to the > DAC? If the latter, the regulation and noise may be important. > > I think I remember comments about it being used by the DAC. Wasn't there > some mention of the TBolt working with a dead -12 supply, but only as long as > the DAC output was above 0. > > > > -- > These are my opinions. I hate spam. > > > > > _______________________________________________ > 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.
