To: | "RCARIELLO" <RCARIELLO@si.rr.com>,"Towertalk" <Towertalk@contesting.com> |
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Subject: | Re: [TowerTalk] Balun Construction help |
From: | W0UN -- John Brosnahan <shr@swtexas.net> |
Date: | Sat, 23 Oct 2004 10:32:59 -0500 |
List-post: | <mailto:towertalk@contesting.com> |
At 09:14 AM 10/23/2004, Jim Lux wrote:
This sounds like you might want a transmission line transformer, like in the Motorola RF Transistor ap notes. They're online somewhere (not Moto, though...), but if you search for it with google, they should turn up. The ap note covers all the details on selecting a mix, how much core area you need, and how to figure out the bandwidth. (although, for you, it's pretty narrow band, so maybe a straight transformer on a toroid will work.)
http://home.earthlink.net/~christrask/wbxfmr.html --John W0UN _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA. _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk |
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