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

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

Follow Ups:

  IC data sheet mandar   Posted at: 04/09/02 (1)

  Re: IC data sheet raghavendra s   Posted at: 06/05/02 (0)

  Re: DTMF Decoder AVAILABLE Adie   Posted at: 03/20/02 (1)

  Re: DTMF Decoder AVAILABLE BarathiMohan   Posted at: 03/22/02 (0)

  Re: DTMF Decoder AVAILABLE k.v.reddy   Posted at: 03/18/02 (1)

  Re: DTMF Decoder AVAILABLE MohanBarathi   Posted at: 03/18/02 (0)

  Re: DTMF Decoder AVAILABLE RICK   Posted at: 02/20/02 (1)

  Re: DTMF Decoder AVAILABLE BarathiMohan   Posted at: 03/06/02 (0)

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