[Elecraft] [K3] in-band-IMD test

[Jim Brown]

On Wed, 12 Nov 2008 16:24:27 -0500, Jack Smith wrote:

>This is an issue with the isolation transformers in the LINE OUT ports. 
>I've measured similar levels, and shown how they might be reduced.

>You will not see  the same degree of distortion on the headphone output 
>port.

Agreed on both counts. The Line Out is poorly designed, and that's the 
problem. You'll find corresponding data on my website, measured using an 
entirely different procedure. 

http://audiosystemsgroup.com/K3FilterStudy.pdf

and http://audiosystemsgroup.com/FilterTestNotes.pdf

73. 

Jim Brown K9YC