piclist 2000\05\26\123823a >
Thread: DTMF decoding with a PIC (sigma-delta)
www.piclist.com/techref/pots/dtmf.htm?key=dtmf
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face BY : Dan Mulally email (remove spam text)



----- Original Message -----
From: "Peter L. Peres" <plpEraseMEspam.....ACTCOM.CO.IL>
To: <KILLspamPICLIST.....spamRemoveMEMITVMA.MIT.EDU>
Sent: Wednesday, May 24, 2000 12:42 PM
Subject: Re: DTMF decoding with a PIC (sigma-delta)


{Quote hidden}

DTMF tones were intentionally selected to minimize interference due to
harmonics and intermod products so you may be fine. There is a method to
generate single tones from digital functions using Walsh functions. I'm not
sure how easy it is to use for multiple tones.

Dan

<00a301bfc730$68563120$930b22d0@computer> 7bit

See also: www.piclist.com/techref/pots/dtmf.htm?key=dtmf
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