[Amps] AL-1200 Questions

[R.Measures]

>On Tuesday 25 November 2003 16:03, R. Measures wrote:
>> >On Monday 24 November 2003 17:42, R.Measures wrote:
>> >> >On Mon, 24 Nov 2003 05:13:21 -0800, R.Measures <r at somis.org> wrote:
>> >> >>If the I-leakage is more with
>> >> >>positive polarity than negative polarity, the leakage involves gold
>> >> >>particles.
>> >> >
>> >> >_________________________________________________________
>> >> >
>> >> >Can you explain the mechanism for this?  I'm curious how gold
>> >> >particles could create a quasi-rectifier.
>> >>
>> >> **  Gold-evaporation only happens during a VHF or UHF  oscillation in
>> >> tubes with a gold-plated grid.   3cx1200... does not have a gold-plated
>> >> grid, but in my opinion it can oscillate.  .
>> >> --  Joe Funderberg, W6IHA,  said he discoved this phenomenon by
>> >> experimentation,  My guess is that the electrons in the outer shell of
>> >> gold atoms are repelled by a negative charge and attracted by a positive
>> >> charge,
>> >
>> >My knowledge of atomic physics is limited, but it strikes me as much more
>> >likely that some of the gold balls have cathode material on them.
>>
>> **  When I see gold meltballs through a  microscope, I see no barium
>> oxide or strontium oxide.

>I'd be surprised if it was there in large enough lumps to see.
>
**  I can see their spherical shape only with 30 - 50 X magnification.  
Otherwise, they look like yellowish dust.  [see Fig 24 on my Web site].  
I can see the cathode coating, but none of it appears to be on the 
meltballs.  
--  ¿Why would strontium oxide and barium oxide be attracted to a 
positive charge.?

>Do you see the effect once the balls are out of the tube?

**  I have no means of unsoldering the ceramic-metal seals in order to 
remove the contaminant.  The most successful thing I have tried so far is 
moving the gold meltballs down into the base by tapping.
>
cheerz, Steve