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[Amps] 2:1 Transformer

To: <amps@contesting.com>
Subject: [Amps] 2:1 Transformer
From: dhearn at ix.netcom.com (Dan)
Date: Tue May 27 08:40:23 2003
Yury: You need a copy of Jerry Sevicks book "Transmission Line
Transformers". He shows many designs of transformers which have ratios near
2:1 as well as dozens of others. These amazing xfmrs have bandwidths of
160-10m or more and losses as low as 0.1 db. I believe Amidon sells parts
for these as well as complete packaged units.  73, Dan, N5AR
----- Original Message -----
From: Yury VE3XB <ve3xb@sympatico.ca>
To: <Amps@contesting.com>
Sent: Sunday, May 25, 2003 8:38 AM
Subject: [Amps] 2:1 Transformer


> I want to build a 2:1 transformer for HF frequencies to match 25 ohm
> impedance. I am wondering if anyone can point me to some info on how to
wind
> such transformer - number of turns, where to tap the coil and what
type/size
> of core should I use, say for 100 watts?
>
> Thanks in advance,
>
> Yuri VE3XB
>
>
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