[Elecraft] K3 Rx Antenna Isolation

Barry N1EU barry.n1eu at gmail.com
Fri Feb 8 07:29:33 EST 2008


Perhaps Ed will clarify, but my take is that Ed's post is a different issue. 
I believe he is saying that while he's in RECEIVE mode with the RX ANT
selected, there's leakage of the receive signal on the transmit antenna
feedline into his receiver - poor isolation in the receive antenna
selection.

Personally, I haven't seen this but I haven't listened specifically for it
either.

73,
Barry N1EU



Gary W. Hvizdak wrote:
> 
> On Fri 8 Feb 2008 at 01:07:35 EST, Ed Gilliland (W5TM) wrote ..
> 
> I'm have poor isolation between the transmit antenna (ANT1) and my
> Beverage
> (RX ANT IN).  I have to switch to ANT2 to get rid of the noise from the
> transmit antenna.  As new as I am to the K3 I may have an option set
> wrong.
> 
> --
> 
> Ed,
> 
>     Wayne's recent post entitled "KXV3: (1) RX ANT signal level during TX;
> (2) spectra at buffered IF output" may address your question.  You can
> find his post in the online Reflector archives at ...
>     http://mailman.qth.net/pipermail/elecraft/2008-February/082024.html
> 
> 73,
> Gary  KI4GGX
> 
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