Is it possible that the higher temp keeps the tube "cooked off?" Bill Dailey
> On Feb 19, 2017, at 12:54 PM, <cdel...@juno.com> <cdel...@juno.com> wrote: > > Hi, > > The tiny coil inside the beam path is the low frequency coil used for DC > testing of the tube. > > The tube shown is a standard performance tube and has no degaussing coil. > > The flat windings on top of the shield are the C-field winding. > > The high performance cavity is even "prettier". > > You can see one at http://www.leapsecond.com/pages/cesium-tube/ > > Towards the bottom you can see the C-field windings in slots around the > circumference of the cavity. > > BTW in 5071A tubes there is no internal difference between the STD and > High Performance tubes. > > They just run at different temperatures! Saves having to build two > different tubes! > > Some more interesting 5071A tube info will post in a couple weeks!!! > > (Hint: Run your 5071A HiPerf tube at the Std tube temperature to extend > life!!!???) > > Cheers, > > Corby > > _______________________________________________ > 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.
