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Re: [Amps] construct ferrite "line isolator"

To: amps@contesting.com
Subject: Re: [Amps] construct ferrite "line isolator"
From: "Bill, W6WRT" <dezrat1242@yahoo.com>
Reply-to: dezrat1242@yahoo.com
Date: Mon, 25 Oct 2010 15:14:06 -0700
List-post: <amps@contesting.com">mailto:amps@contesting.com>
ORIGINAL MESSAGE:

On Mon, 25 Oct 2010 19:52:56 +0300, tzikas tzik <tzitzikas77@gmail.com>
wrote:

>i have many ferrite beads (material 43) FB-43-7351 and FB-43-1020. How i can
>construct these "line isolatosr".Do you have any schematic? thank you very
>much.

REPLY:

For what it's worth - I have found ferrites to be all but useless at HF
for preventing RFI, even when used in large numbers. I have had much
better success with powdered iron toroids. 

73, Bill W6WRT
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