>> True, Peter. However, since the RF peak V rating of vacuum variable
>> capacitors is 60% of the DC/60Hz rating...
>Interesting; I've never heard of this derating requirement.
It's in the Jenning Radio Co. catalog.
>What
>causes the change in breakdown voltage with frequency?
>
I am not certain, although I have a suspicion that arcing ability
increases with frequency. ....... I have seen some incredulous arcs in
my 432MHz 4cx250R amplifier. I have seen some incredulous tune-C arcs in
my SB-220 at 110MHz.
Rich---
R. L. Measures, 805-386-3734, AG6K
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