|[AMRadio] 50 ohms simple question|
ars.w5omr at gmail.com
Thu Apr 5 14:52:59 EDT 2007
Alan Beck wrote:
> Basic question
> Why is it that my radios are 50 ohms and the impedance at the feed point at
> the antenna (pure dipole) is 70 ohms.
> Am I mistooken
No, yer not mistaken.... but, if you want to lower the input impedance
to your dipole, bring the legs down to around 40 degrees, and you'll
drop the input impedance to the antenna down around 20 ohms.
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