Topband: Amplifier Help
GEORGE WALLNER
gwallner at the-beach.net
Wed Feb 17 14:12:26 PST 2010
Niko Cimbur <ac6dd at yahoo.com> wrote:
> Can something like this be easily done?
> I am not familiar with the two 750W amps they have, but
> Would it be possible to build a 4 square and feed each
>element with its own amplifier and switched phase delay?
Niko,
I have done this with a two element array and it worked
great. Phasing control is much easier at low power levels,
i.e. ahead of the amplifiers. You have to ensure that each
antenna is matched properly. (I used LC matching
circuits.) Driving a 4SQ is more complex but should be
possible.
George, AA7JV
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