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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