Thread: Coax balun
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Old August 11th 11, 01:50 AM posted to rec.radio.amateur.antenna
Wayne Wayne is offline
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First recorded activity by RadioBanter: Jul 2006
Posts: 409
Default Coax balun

I found a 50 year old pencil drawn schematic that was done by an Collins
Radio engineer. So....anyone ever use a coax balun as described below?

Wind a 3.5 inch diameter with 7 turns of RG-58. Space the turns such that
the coil is 4 inches long.
Connect the output of an antenna tuner to one of the balanced feedline
conductors. At one end of the coax coil connect the braid to the antenna
tuner output, and the center connector of the coax to ground.

The other end of the coiled coax: connect the center conductor to the other
balanced feedline conductor. Connect the braid at that end of the coil to
ground.

Comments?

-Wayne
W5GIE
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