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PICList Thread
'DTMF Decoder Chip/Application?'
1999\01\13@204855 by Mohamed El Egairy

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Hi everybody can anyone help me in my project? I want to use a pic to
log dialed numbers of all calls on my telephone line so if you have any
application note I appreciate also if you know about a chip can decode
DTMF. thanks in advance

Best regards

Mohamed El Egairy




Mail me at: spam_OUTegairyTakeThisOuTspamhotmail.com


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1999\01\13@222545 by Steve Ridley

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Hi Mohamed

A DTMF decoder chip I have had succes with is the CM8870C from Mitel. It is
only about $A2.00. It runs off a colour burst crystal which is also cheap
and can be used to run your pic as well.

Steve Ridley
Blue Ocean Telecommunications

{Original Message removed}

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