Re: [TenTec] Fw: question Digital matching-- rig to sound card

["Jim Brown K9YC" <k9yc@audiosystemsgroup.com>]

On Sat, 22 Dec 2007 18:20:43 +0000, Barry N1EU wrote:

>The xfmr isn't for impedance matching, it's for ground isolation.

Right. And tranformers should not be necessary if you follow the 
simple and inexpensive techniques in my RFI tutorial -- bond all the 
gear together with big copper, plug everything into the same outlet 
(or outlets in the same quad box), and use cable for the 
interconnects that has a beefy copper shield (like RG58). 

http://audiosystemsgroup.com/RFI-Ham.pdf

73,

Jim Brown K9YC



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