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Old July 21st 04, 05:28 PM
Steve Nosko
 
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By:
"Googler" wrote in message
and
"Steve Nosko"

Contained:
I would like to interface the house security alarm with my 2m Tx and
my handheld. ... /M

Steve I'd start with a "unique" Subaudible tone on the Tx them program
that
tone into the handheld & put it on CTSS receive. ...
How-zat?

Thank you. Yes, that would be very simple. I was thinking about CW
because one could create a different receptor points with the unique
identifiers. ... /M

Steve Well, I'd go to a PIC chip ... DTMF chips ...DTMF decoder ...
Another easier choice might be to simply use single tones and PLL
(NE567...

Thank you so much. Now I have enough starting info. The NE567 chip
seems to be the best choice for my project.
/M



It pleases me to hear this. You are very welcome.
--
Steve N, K,9;d, c. i My email has no u's.