[Elecraft] Re: KAT100 with Ladder Line

Peter Wollan wollan at mayo.edu
Fri Nov 16 09:50:31 EST 2007


Please, I'd like some more discussion of this question.  I've seen  
before that baluns on ladder line can be lossy, but I'm not about to  
get a balanced tuner, so it doesn't really help.  What happens if you  
connect the balanced line directly to the KAT100?  Or, in my case, to  
the KAT2?  I haven't had any problems so far -- maybe low power makes  
a big difference, or maybe I've just had antennas which were  
reasonable in some way.  I gather it's possible to get unpleasant  
currents on the case, mic, or paddle.  Is that exactly the condition  
in which the balun will be lossy?  Does connecting the ground screw  
on the KAT2 (or the one on the balun?) alleviate the common mode  
current problems?

	Peter N8MHD


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