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Subject: Re: DTMF Decoder AVAILABLE

Date: 10/22/01 at 10:55 AM
Posted by: BarathiMohan
E-mail: mohanbarathi@yahoo.com
Message Posted:

In Reply to: Re: DTMF Decoder needed posted by vineetha on 04/05/01 at 12:33 AM:

Hi all,
You can get the details of the DTMF ICs from the following url.

http://www.apollo.ind.br/arquivos/em91215abc.pdf
http://www.chipbook.co.kr/pdf/samsung/kt3170.pdf
NOTE:
ICs kt8870 and kt3170 are eqiuivalants.

More URLs
http://www.chipbook.co.kr/ic_k.htm
http://www.electronic-circuits-diagrams.com/telephones_circuits.shtml

Rgds,
Mohan


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