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I need circuit diagram for DTMF

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Usman Hai

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um5089

I need circuit diagram for DTMF.

Thanks

USMAN HAI
 

papyaki

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Re: DTMF

Hi,

Look at MT8870 from Zarlink :

h**p://products.zarlink.com/product_profiles/MT8870D.htm


And look also this old topic :

h**p://

* = t
 

john_b

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Re: DTMF

Are you Want to Generate DTMF or Receive DTMF
 

swapsan

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DTMF

hi, well i can tel u the ic s n u find the datasheets..

dtmf trx-- tp5089/um5089

rx-- mt8878/ht9170

regards ,
swapnil.
 

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