Doc,
I was thinking of the link coupled parallel or series tuned type of coupler
which was at one time known as an Antenna Matching Unit before the name
Antenna Tuner became the norm. The Johnson Matchbox was an example, and such
'tuners' can convert a considerable range of impedances as presented by the
feeder down to or up to 50 ohms, if 50 ohms is what you want. A variable
capacitor in series with the link allows for tweaking. Using a current choke
such as a bead 'balun' between the link circuit and the Tx is a nice
finishing touch, but not absolutely essential in my experience.
73,
Geoff
GM4ESD
On Sunday, October 01, 2006 11:40 PM you wrote:
Geoff:
Just got home, so I may have missed lots of this thread. BUT let me say
that indeed indeed Elecraft does (or DID*) have a 4:1 balun kit. I bought
one fully assembled from Rod N0RC. Works fabulously, and of course has
the
traditional and expected Elecraft quality, great manual. SO, perhaps they
have discontinued it, but at least at one time they did offer such a
product.
GL and 73,
--Doc/K0EVZ
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