Send reply to: "Dick Green" <dick.green@valley.net>
From: "Dick Green" <dick.green@valley.net>
To: W8JI@contesting.com, amps@contesting.com
Subject: Re: [AMPS] Bias for SB-220
Date sent: Thu, 3 Jun 1999 13:44:17 -0400
> > Think of all that voltage built up in the tank when the tube is banged
> > with all that drive!
>
> Hmmm... do we have here yet another common (non-parasitic) cause of
> spitting, hissing and arcing in the output circuit?
Actually it is the parasitic arcing that is rare or next to non-
existent.
Most tank circuit failures are cause by too much voltage at the
operating frequency. Exciter transients are one of the major
causes, as well as improper loading or load faults.
73, Tom W8JI
w8ji@contesting.com
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