Re: Topband: CAT5 twisted pair

[Jim Brown <jim@audiosystemsgroup.com>]

On 8/12/2013 1:50 PM, James Rodenkirch wrote:
> as well as a 2:1 transformer just prior to the input to the shack.
While there's nothing wrong with attempting to match the termination Z, 
don't assume that it will do much. The input Z of the RX may not be 50 
ohms (although the doc may say it is), a small mismatch won't contribute 
enough loss to matter, and it does not affect noise rejection. What 
matters is balance and twisting.
73, Jim K9YC
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Topband Reflector