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[TowerTalk] Ferrite versus Iron Powder Toriods

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Subject: [TowerTalk] Ferrite versus Iron Powder Toriods
From: (Henry A Pollock)
Date: Fri, 3 Dec 1999 21:48:26 -0500
I want to make some 1.5:1 and 2.25:1 ununs that will operate from 14 to
30 MHz.  I already have some T200 (2-mix, red, u = 10) iron powder
toriods.  Is there any reason I should change to a FT200 (u = 125)
ferrite toriod as shown in Sevick's CQ articles from 1992-94?

Henry Pollock - K4TMC
Raleigh, NC

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