John I don't have a 5060 manual only a 5061a manual. I am using the 5060 tube in a 5061 frame. Makes things quite interesting. Regards Paul
On Tue, Oct 4, 2011 at 11:26 AM, John Miles <[email protected]> wrote: > > But does anyone have comments on the meter approach HP suggested. > > I really need to understand whats semi normal for old tube. > > I suspect I may be sitting near the noise floor of the system. > > You've checked the 5060A manual to see if they give noise-floor test > details, correct? > > > As for the network analyzer I just happen to have a HP 8505 so may give > this > > a try. Suspect I will see the fingers but very close to the noise floor. > > The 8505 may not be stable enough to let you see what's going on, but it's > not too hard to rig up something else that will be. I don't know if you've > seen my attempt at sweeping a 5062C tube: > > http://www.ke5fx.com/cs.htm > > http://www.leapsecond.com/images/cfield.gif is another nifty manual-sweep > plot. I'm unsure of the tech details behind Tom's setup but it was > probably > more manageable than mine. I think he just plotted the meter current, with > the tube running in its native 5061A habitat. > > -- john, KE5FX > > > > _______________________________________________ > 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.
