[Elecraft] Power supply for KX3

[Howard Hoyt]

 >>Jim, K9YC posted:
 >>"I have one of these PSUs, but haven't tried to choke it."

And this was an engineering decision with the Kx33: incorporate a large 
choke inside the PS case and make it much larger and more expensive for 
the small percentage of people who might need it or keep it small and 
within the commonly available case offered by the factory to keep the 
price down.

I include a Fair-Rite 0431167281 Snap-It with each Kx33 for those who 
may be doing what Jim says.  I have found 3-4 turns of the DC cable 
through that core will silence it in TX mode.  I also include a manual 
with a shout-out to Jim's fantastic research on Common-Mode chokes, 
which is really important when portable and using sub-optimally balanced 
antenna systems.  For those who are not familiar with Jim's work, here 
is a link: http://audiosystemsgroup.com/RFI-Ham.pdf 
<http://audiosystemsgroup.com/RFI-Ham.pdf>

Cheers & 73,
Howie / WA4PSC
proaudioeng.com