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Re: [Amps] RF on audio using 374A

Subject: Re: [Amps] RF on audio using 374A
From: Jim Brown <>
Date: Wed, 14 Sep 2011 08:25:44 -0700
List-post: <">>
On 9/14/2011 6:19 AM, Carl wrote:
> Glad to hear it wasnt a Pin 1 problem Roger (-;

Ah, but it most likely WAS a Pin One Problem, and the choke to keep RF 
off the line was the easiest fix.  Think, Carl, about HOW the RF on the 
coax shield gets into the equipment!

The way equipment is built makes Pin One Problems more likely, AND very 
difficult to fix without a complete rebuild. So the easiest solution is 
to kill the current that excites the Pin One Problem, which is what 
Roger did.

73, Jim K9YC

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