Topband: Beverage Feed Line Choke Installation

Jim Brown jim at audiosystemsgroup.com
Mon Jun 1 09:27:33 PDT 2009


On Mon, 1 Jun 2009 16:12:45 +0100, Missouri Guy wrote:

>Jumping in with both feet on the thread....
>In my humble experience, common-mode chokes aren't 
>really needed at all IF the antenna is disconnected from it's matching
>transformer and no Topband (or other frequencies of interest)
>signals can be heard in the receiver.   Experiment!  :)

I don't agree. The antenna is part of the common mode circuit. Disconnect it 
and you have a different circuit. 

73,

Jim K9YC





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