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Re: Topband: Broadband Inverted L

To: "'List, TopBand'" <topband@contesting.com>
Subject: Re: Topband: Broadband Inverted L
From: "John K9UWA" <john@johnjeanantiqueradio.com>
Reply-to: john@johnjeanantiqueradio.com
Date: Tue, 25 Nov 2014 10:14:10 -0500
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Joe 
as Charlie said your input impedance is probably in the vicinity of 20-35 
ohms. 
So if you want a better match put an 2 to 1 Un-Un at the feedpoint giving you 
a 25 to 50 ohm transformer.
John k9uwa/w4

>The driving point impedance of the inverted L at
> resonance will be of the order of 20-35 ohms or so, with a good ground/radial
> system,  which would put the VSWR at resonance up in the range of 1.5 -2.0 or
> so.
> 73,
> Charlie, K4OTV
> 
> -----Original Message-----


John Goller, K9UWA & Jean Goller, N9PXF 
Antique Radio Restorations
k9uwa@arrl.net
Visit our Web Site at:
http://www.JohnJeanAntiqueRadio.com
4836 Ranch Road
Leo, IN 46765
USA
1-260-637-6426

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