[Elecraft] KX3 BC? Feedthru

Walter Underwood wunder at wunderwood.org
Fri Oct 9 13:34:08 EDT 2015


Turn on RX SHIFT in the menu. This disables the roofing filters, but gets rid of baseband RF breakthrough.

See page 40 of the manual.

http://www.elecraft.com/manual/E740163%20KX3%20Owner's%20man%20Rev%20C5.pdf <http://www.elecraft.com/manual/E740163%20KX3%20Owner's%20man%20Rev%20C5.pdf>

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Oct 8, 2015, at 7:51 PM, N4CW at aol.com wrote:
> 
> While operating CW during the CQP at my Maine QTH, on different bands and  
> at different times, I heard
> "voices" coming through the KX3 where there shouldn't be any "voices"!  
> Unlike images, they didn't change
> as I tuned around. It was like i.f. signal "leakage", and I mitigated the  
> effect by turning off the preamp.
> 
> If this topic's been covered before, I don't recall reading about it and  
> would appreciate suggestions for the
> future. 
> 
> Bert, N4CW/K1IMI
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