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DTMF generator using mt8889

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nanhifi

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mt8889

I found that using mt8889 chip can be a receiver and transmitter. I just want to make a dtmf dialer since the original circuit are now using a um95089 not avaible at my country. I just want to know the complete practical circuit that using mt8889 to generate the dtmf coded. Hopely someone can tell me.. please help..:cry:
 

dtmf dialer circuit

Yeh You can di that
But as for as in my experience the Circuit in the Datasheet of MITEL is wrong it never works i will send u the right Circuit


Regards ,
 
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