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Re: [Amps] Plate Choke Resonances

To: Amps@contesting.com
Subject: Re: [Amps] Plate Choke Resonances
From: "Bill, W6WRT" <dezrat1242@yahoo.com>
Reply-to: dezrat1242@yahoo.com
Date: Fri, 29 Jan 2010 08:36:33 -0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
ORIGINAL MESSAGE:

On Fri, 29 Jan 2010 08:34:40 -0500, "Carl" <km1h@jeremy.mv.com> wrote:

>The Ameritron is 225uh and the insulation thickness has to be taken into 
>account. Use a micrometer to measure the bare wire and then with the 
>insulation.

REPLY:

To make an exact duplicate you also have to take the kind of
insulation into account. Different types have different dielectric
constants and will change the amount of capacitance between turns,
thus changing resonances. 

73, Bill W6WRT
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