Peter Sundberg wrote:
>
> When rebuilding the screen supply for my amp I suddenly developed arcing
> BIG time in the tank circuit something that had never happened before.
> Screening the rectifiers and bypassing the cable feeding the screen stopped
> all arcing. No changes what so ever were done in the tank circuit to stop
> arcing.
>
> There is no doubt in my mind that parasitics caused the tank arcing.
Maybe an oscillation near the operating frequency -- not a VHF parasitic?
73,
Vic, K2VCO
Fresno CA
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