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  #1  
Old 01-22-2007, 11:10 AM
prevravanth prevravanth is offline
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Join Date: Dec 2006
Posts: 8
Question Which IC for CLIP application to interface with 8051

I am developing Caller Line Indentification

It has to be interfaced with 8051 and display the telephone number in monitor.

Which chip shall I use it

Is MT8843 from mittel can be used

It should compatable for DTMF & FSK .

The present which I developed using MT8888 it is working in one exchange but other exchagne it not working

this is to reference as per country India

so i other chip to test it

Kinldy help me
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  #2  
Old 01-22-2007, 03:09 PM
mrmeval mrmeval is offline
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Join Date: Jun 2006
Posts: 833
Default

This is a way test the decoder circuit you have since the output goes to a PC.
http://www.raphnet.net/electronique/cid/cid_en.php
After that's working you can feed the data stream to an MPU then a display.
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  #3  
Old 01-23-2007, 06:24 AM
prevravanth prevravanth is offline
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Posts: 8
Arrow Any chip for MF decoding

Thanks

Any chip for MF( Multi frequency ) decoding in telecom

I could not able to find it out

I think it is a old system of transmiting CLI.
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  #4  
Old 01-23-2007, 12:06 PM
prevravanth prevravanth is offline
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Posts: 8
Default caller Id circuit

can u give me caller ID circuit using discrete componets along with Up interfacing

Thanks
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Worksheet Digital display circuits
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