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outputs for dtmf decoder ic? Answered

how to get 16 outputs from a mt8870 dtmf decoder ic 
will this circuit works ?

Tags:dtmfic

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user
iceng (author)2014-08-03

Sure it works !

Providing you can supply the sixteen coded signals, see table.

You can easily expand the 4 bits into a single unique output bit.

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user
steveastrouk (author)iceng2014-08-03

I even supplied a circuit last week....

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