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Re: Topband: Fabricated common mode chokes - Sourcing

To: topband@contesting.com
Subject: Re: Topband: Fabricated common mode chokes - Sourcing
From: Ian Wade G3NRW <g3nrw-radio@ntlworld.com>
Date: Tue, 30 Aug 2011 06:45:59 +0100
List-post: <topband@contesting.com">mailto:topband@contesting.com>
___Original Message_________________________________________
From: Lloyd Berg  N9LB <lloydberg@charter.net>
Date: Mon, 29 Aug 2011   Time: 17:00:21

>I'd like to build up several toroid chokes for 160, 80 and 40 meter use.

Lloyd

Take a look at this:

    http://www.ifwtech.co.uk/g3sek/in-prac/

and this:

    http://www.ifwtech.co.uk/g3sek/in-prac/inpr1005_ext_v2.pdf

I have built a 3-band choke based on his design, and it works very 
effectively on all the HF bands. The low-band and mid-band chokes will 
probably cover your requirements.

-- 
73
Ian, G3NRW
































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