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Subject: Re: tone generator/detector circut

Date: 02/07/00 at 9:33 PM
Posted by: Ned Stevens
E-mail: K7ELP@aol.com
Message Posted:

In Reply to: tone generator/detector circut posted by heathbar on 02/06/00 at 1:52 PM:

Hi Heathbar,
The 567 tone decoder chip will probably do the job for
you. It is made by National Semiconductor, Phillips,
and JRC to name a few. One external resistor and one external capacitor sets the decode frequency.

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