To: | Topband@contesting.com |
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Subject: | Re: Topband: FERRITE BEADS |
From: | "CHARLES HUTTON" <charlesh3@msn.com> |
Date: | Fri, 19 Dec 2003 20:07:04 +0000 |
List-post: | <mailto:topband@contesting.com> |
My answer for 160 is to build a special little box that has as many turns of
RG-174 or RG-189 as possible on the biggest ferrite toroid I can find,
usually using J material as broadcast stations are my problem. I don't think you can really get enough Z out of a handful of beads to come close to solving the problem. In some applications where you are interested in a low Z path to ground (like the coax run between a Beverage transformer and the radio), the voltage divider effect between the ground resistance (let's say 100 Ohms) and the choke means that you're going to want a lot of Z in the choke. I aim for at least 10K and hope for 100K. That's a mountain of beads. Chuck From: "Tom Rauch" <w8ji@contesting.com> Reply-To: Tom Rauch <w8ji@contesting.com> To: "Dan" <w0vd@sofnet.com>, <Topband@contesting.com> Subject: Re: Topband: FERRITE BEADS Date: Fri, 19 Dec 2003 06:20:40 -0500 _________________________________________________________________ Get dial-up Internet access now with our best offer: 6 months @$9.95/month! http://join.msn.com/?page=dept/dialup _______________________________________________ Topband mailing list Topband@contesting.com http://lists.contesting.com/mailman/listinfo/topband |
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