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Re: [WriteLog] PC isolation transformer

To: "ve2lx" <ve2lx@sympatico.ca>,"witelog group" <writelog@contesting.com>
Subject: Re: [WriteLog] PC isolation transformer
From: "Ron Hall, Sr." <ronkp2n@earthlink.net>
Date: Sun, 3 Feb 2008 13:09:28 -0500
List-post: <mailto:writelog@contesting.com>
Gilles ... I have used the Radio Shack transformer Part # 273-1374.
It's a 1 to 1 isolation unit and the pri/sec impedance is 1K.  Has worked
fine for all my homebrew interfaces.

I did use transformers from a dial up modem card with good results.

GL

73  Ron  KP2N

----- Original Message ----- 
From: "ve2lx" <ve2lx@sympatico.ca>
To: "witelog group" <writelog@contesting.com>
Sent: Sunday, February 03, 2008 11:56 AM
Subject: [WriteLog] PC isolation transformer


> 1: 1 Isolation transformers on PC input ( from transceiver ) and or output 
> for audio TX.
>
> What should be the perefered impedance on on both side on each of them.
> Gilles
> VE2LX
> ==============
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