Re: Strange behaviour of a VTTC (13MHz?)

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>" <FutureT-at-aol-dot-com>

In a message dated 1/23/01 2:45:46 PM Eastern Standard Time, tesla-at-pupman-dot-com 
writes:

> 
>  It may still be parasitic oscillations. We currently don't have
>  any chokes on the anode lead. But can it be that low a frequency?
>  This tube can go up to 220MHz...
>  
>  -- 
>  - Antti

Antti,

I've heard of parasitics around 20mHz in tube coils, so I guess
it could be 13MHz too.  Adding plate anode chokes might just
stop it.  If so, you'll know it was the parasitics.

JOhn fReau