[Amps] 813 No parasitics

[Gary Schafer]

Tom Rauch wrote:
>>Okay, I'll buy this one. But I have a question. Wouldn't the low pass
>>filters in the radio have some effect on reducing higher frequency
>>energy from getting at the PA?
> 
> 
> They sure would.
> 
> It is pretty simple to see that lower frequency energy from an arc or
> flashover caused by outgassing  in the tube would make it through all the
> low-pass filters right up to the PA.
> 
> VHF energy would not.
> 
> 73 Tom

Wouldn't a VHF oscillation also cause a large low frequency current 
pulse the same as an arc would?

73
Gary  K4FMX