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[TowerTalk] Baluns! Ack!

To: TowerTalk <towertalk@contesting.com>
Subject: [TowerTalk] Baluns! Ack!
From: Justin Burket <zorton@jtan.com>
Date: Tue, 08 Nov 2005 11:07:13 -0900
List-post: <mailto:towertalk@contesting.com>
Hello,

Benny (NL7XH) got ahold of some lovely DC-DC converters here in 
Fairbanks.  I took one home and pulled all the toroids loose from the 
board.  Once I removed all the wire and fiberglass (itchy itchy) I was 
left with 4 nice and heavy toroid core's.  The core's are T85's made 
from MPP material.  The permeability listed as 125 (microHenries?).  
Relative partnumbers are Anderson: A-438281-2 or 55438-A2 which resulted 
in a nice datasheet which gave my permeability rating.

My question is; with such a high permeability can I make any use of 
these for a balun?  I'm constantly coming across a need for one and I 
would love to make use of these toroids instead of having them sitting 
around in my desk drawer.

I have to admit I'm a bit confused about the theory of baluns and 
searching around the net left me even more confused....

Thanks,
Justin
KL1RL Fairbanks, AK
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