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[TowerTalk] Re: TopBand: 75 meter vert. fed with open wire

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Subject: [TowerTalk] Re: TopBand: 75 meter vert. fed with open wire
From: w8ji.tom@MCIONE.com (w8ji.tom)
Date: Wed, 21 Oct 1998 09:30:15 -0400
> What is a choke Balun??  

The best kind of balun. It has no ground reference, and so acts as a
totally ground independent source.

The only magnetic field in the core is due to any remaining unwanted common
mode currents, and so a smaller core handles more power (if the balun uses
a core) because the core is not used at all in the role of transferring
desired power. Their performance is virtually SWR independent.

I expect the Handbooks describe them, they might call them "current
baluns", the terms are interchangeable.

73 Tom


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