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Subject:
Re: dectalk express
From:
Tom Brennan <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Mon, 22 Oct 2012 02:43:55 -0500
Content-Type:
TEXT/PLAIN
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TEXT/PLAIN (13 lines) 
Howard, at least some of those old DecTalks used a center negative.  One that
I've got uses a center positive but I've an older one that uses a center
negative.  Best to check that out.

The power supply doesn't need to be regulated but it should be pretty clean or
you'll get a lot of noise in there.

Tom


Tom Brennan  KD5VIJ, CCC-A/SLP
web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html

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