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Re: [RFI] Yet another balun question

To: rfi@contesting.com
Subject: Re: [RFI] Yet another balun question
From: Dave Cole <dave@nk7z.net>
Reply-to: dave@nk7z.net
Date: Tue, 28 Jun 2016 18:17:48 -0700
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On Tue, 2016-06-28 at 18:20 -0500, Kim Elmore wrote:
> I've a question about number of turns. Using enameled wire on a 2.40"
> core, I've made these with -20 bifilar turns. I know there's a point
> of diminishing returns due to distributed capacitance. Am I near that
> with 20 turns or well past it?

The choke uses the capacitance between the wires as part of
how it functions, so in this case, adding turns will actually break the
choke.  Stick to the designed number of turns and it will work
well... 
-- 

73's, and thanks,
Dave (NK7Z)
For software/hardware reviews see:
http://www.nk7z.net
-- 

73's, and thanks,
Dave (NK7Z)
For software/hardware reviews see:
http://www.nk7z.net

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