To: | Reflector -tower <towertalk@contesting.com> |
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Subject: | Re: [TowerTalk] Fair rite materials for choke baluns |
From: | Steve Hunt <steve@karinya.net> |
Date: | Sun, 3 Jul 2016 18:05:40 +0100 |
List-post: | <towertalk@contesting.com">mailto:towertalk@contesting.com> |
Rudy,The #52 mix is readily available in size "240" toroids and makes a useful choke for the higher HF bands. Take a look at the performance of 11 turns on two stacked FT240-52 cores; it's the eleventh line on this chart: http://www.karinya.net/g3txq/chokes/ And here's the detail: http://www.karinya.net/g3txq/temp/52_mix.pngIt achieves Rs>5000 Ohms from 10Mhz thru 28MHz, and Rs>8000 Ohms from 12MHz thru 21MHz. Steve G3TXQ _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk |
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