That's great. Another old HP box brought back to life. -pete
On Sun, Jul 30, 2017 at 4:24 PM, paul swed <[email protected]> wrote: > Ulf very good and great to hear. I did look at the clock motor driver and I > believe you can use a ttl flip flop to drive the two transistors just fine. > I think the ttl will run on the 4.2 V. But the transistor drive > requirements look reasonable. > So if you want the click click you can have it. > Regards > Paul > Wb8tsl > > > > On Sun, Jul 30, 2017 at 6:28 PM, Ulf Kylenfall via time-nuts < > [email protected]> wrote: > > > After having salvaged an old 5065A that was > > decomissioned in 1987 due to Rubidium cavity > > heater short circuit, I have now, several > > weeks later eventually managed to what I think > > repair it. > > Using a GPS-Diciplined HP105A > > as oscilloscope trigger, the 5MHz O/P is > > absolutely still. "Continous Operation"is ON, and the values indicated on > > thepanel meter are almost matching thosewritten on the operating chart > back > > in 1987. > > > > The next step is to take the 5065 to my work > > where we have two H-masers. Then it will be possible > > to see if it meets the old specification. > > > > A BIG Thank You > > to Corby Dawson!for valuable help and also to people providing > > the documents found on KO4BB site ("First Aid...") > > Ulf KylenfallSM6GXV > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > mailman/listinfo/time-nuts > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
