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Need DTMF tone generator circuit

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rhyan

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hi!! i need a dtmf tone generator circuits. plz. help me.. asap
 

Re: DTMF tone circuit

if you want use a 8051 to generataaions dtmf I have the diagrama schematic and source file in assembler, if you want tell me I post here
 

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    rhyan

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Re: DTMF tone circuit

yah!! thank you!! plzz post it..
 

Re: DTMF tone circuit

2 examplos in assembler and a jpg file with schematic 2 resitors in P1.0 and P1.1
 

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