Topband: "New beverage"
Tom W8JI
w8ji at w8ji.com
Thu May 16 22:19:33 EDT 2013
> Go to http://exax.net/index.html and scroll down the page to "center fed
> steerable wave antenna". The diagram shows how you can feed a 2-wire
> Beverage in the center, or anywhere along its length. The two
> transformers
> in the middle have center taps that pass signal currents from one side of
> the antenna to the other side. Therefore the entire length of the
> Beverage
> is active at all times.
Except with coax, you would not connect across the center tap point. There
would be a direct connection across the shields, since the center has no
common mode (antenna mode) currents at all.
With a true balanced line, the common mode (antenna mode) connection is
across a center tap.
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