sagar474
Full Member level 5
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I constructed the circuit with cm8870 (DTMF decoder) as shown in it's data sheet**broken link removed**
It is working wen I connect it's input to my PC and generate DTMF.
but when I use to connect my cellphone headset output as input to the DTMF decoder, it is not working.
It is working wen I connect it's input to my PC and generate DTMF.
but when I use to connect my cellphone headset output as input to the DTMF decoder, it is not working.