Brian Lloyd wrote:
1. What is the matching range of the KAT100, i.e. will it match an
antenna fed at a voltage node
2. Does the BL2 have a problem when looking at a really high impedance,
i.e. when center feeding a full-wave doublet?
Maybe I'm missing something, but the answer depends on the length of the
feedline. If your feedline happens to be an odd multiple of 1/4 wl, then
what the KAT100 and the BL2 will be dealing with will be a very low
impedance, not a high one. A half-wave feedline will repeat the
impedance at the feedpoint. And in-between lengths will give in-between
values.
The balun will operate efficiently as long as the impedance is primarily
resistive and in a range of a few tens to a few hundred ohms. Reactance
is bad for balun efficiency.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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