[Elecraft] KX3 + NaP3

Barry LaZar k3ndm at comcast.net
Wed Sep 12 12:06:55 EDT 2012


Jim,
      Good idea, but there is bandwidth limitations on some of those 
small transformers. You may not get more than about 20 or so KHz before 
there is drop off. You might want to do some checking before you go 
operational with your scheme. Best of luck with the idea.

73,
Barry
K3NDM

On 9/12/2012 10:42 AM, Jim - W6VAR wrote:
> When I connected my KX3 1/Q Output, I had significan "nulls" every 100
> cycles, which I do not experience with my K3 using the same computer/cables.
> Running the audio through my Rigblaster's isolation transformers cleaned up
> the KX3 signal, which I'm told does not incorporate any isolation due to
> space constraints.
>
> Taking my Rigblaster Pro into the field is simply not practical, so I have a
> few isolation transormers on order and I will build a small isolation box.
> FYI, I tried connecting the Radio Shack ground loop isolator, and it was
> ineffective while one of their discontinued 1:1 isolation tranformers is
> effective.
>
> Jim
>
>
>
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