Update to Tutorial on RFI, Ferrite Chokes, Audio, and Choke Cookbook

[Jim Brown-10]

I've just posted a new version of my tutorial on RFI, Ferrite Chokes,
Baluns, and audio for hams. It has the same filename as the original,
but the title shows Rev 1, 25 Jul 07.

The new stuff is primarily confined to pages 29-36, which addresses
choke baluns wound with big coax (RG8X, RG8). There is a major update
to the Choke Cookbook, based on extensive measurements of these
chokes. There are also some additions to the appendices, and a few
tweaks and typos fixed throughout the document.

This is the first major update since 20 Jan 07. If you're winding any
coax chokes, you NEED this update.

Enjoy!

73,

Jim Brown K9YC


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[Bob Nielsen]

On Jul 25, 2007, at 6:07 PM, Jim Brown wrote:

> I've just posted a new version of my tutorial on RFI, Ferrite Chokes,
> Baluns, and audio for hams. It has the same filename as the original,
> but the title shows Rev 1, 25 Jul 07.
>
> The new stuff is primarily confined to pages 29-36, which addresses
> choke baluns wound with big coax (RG8X, RG8). There is a major update
> to the Choke Cookbook, based on extensive measurements of these
> chokes. There are also some additions to the appendices, and a few
> tweaks and typos fixed throughout the document.
>
> This is the first major update since 20 Jan 07. If you're winding any
> coax chokes, you NEED this update.
>

Perhaps a URL would be helpful:  <http://audiosystemsgroup.com/RFI- 
Ham-R1.pdf>  (from your message on the Tower Talk list).

73 - Bob, N7XY
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[KK7P]

>> I've just posted a new version of my tutorial on RFI, Ferrite Chokes,
>> Baluns, and audio for hams. It has the same filename as the original,
>> but the title shows Rev 1, 25 Jul 07.
>
> Perhaps a URL would be helpful:  
> <http://audiosystemsgroup.com/RFI-Ham-R1.pdf>  (from your message on the
> Tower Talk list).

< URL:http://audiosystemsgroup.com/RFI-Ham.pdf > works here and gets the
new version.

Lyle KK7P

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[Paul - VE1DY-2]

Try this one...

http://audiosystemsgroup.com/RFI-Ham.pdf



On 7/26/07, Bob Nielsen <[hidden email]> wrote:

> Perhaps a URL would be helpful:  <http://audiosystemsgroup.com/RFI-
> Ham-R1.pdf>  (from your message on the Tower Talk list).



--
Paul - ve1dy - Halifax, NS
SKCC #91, QRP-L #416, K2 - 5678
www3.ns.sympatico.ca/ppike
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[Jim Brown-10]

On Wed, 25 Jul 2007 20:08:36 -0700, Bob Nielsen wrote:

>Perhaps a URL would be helpful

Sorry -- brain cramp at the end of a long day.

http://audiosystemsgroup.com/RFI-Ham.pdf

73,

Jim



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