Jeff,

I have used transformers salvaged from computer modem cards and I have 
used Xicon P/N 42TL016-R - Mouser PN 42TLC16-RC with success.

Yes, there is some falloff in the response if you try to use 192 kHz 
display width, but then there is some falloff in the KX3 I/Q outputs for 
that width anyway.  96 kHz is more practical with the KX3.

I mount my transformers in an Altiods tin and have a 3.5mm jack on each 
end of the cables exiting the Altiods box.  One end goes to the 
soundcard and the other end goes to a 2.5 to 3.5 mm converter cable that 
plugs into the KX3.

73,
Don W3FPR

On 10/14/2012 4:43 PM, Jeff Herr wrote:
> I need to provide electrical isolation between the I/Q output and my
> mic/line input.
> Since this is a 2 channel output I need 2 channel (stereo) isolation.
>
> Is there a commercial product anyone can point out to do this?
>
> If not then I must choose a couple of audio transformers and wire them up to
> do the job.
> Would someone care to make a recommendation?
>
> Here is the DigiKey audio transformer page for easy reference
> http://www.digikey.com/product-search/en/transformers/audio/786564
>
>
>
> Jeff Herr  WW6L
> 4636 Kelton Way
> Sacramento,CA 95838
> 916.925.6089
> [email protected]
>
>
>
>
>
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