K KaJuan New Member Feb 16, 2004 #1 Hello... Can anybody give me a schematic of a DTMF decoder. I already found one but it does not have a mic connected to it. I need a mic connected to my DTMF decoder since I am going to recive teh AUDIO format of the DTMF. Pls... help
Hello... Can anybody give me a schematic of a DTMF decoder. I already found one but it does not have a mic connected to it. I need a mic connected to my DTMF decoder since I am going to recive teh AUDIO format of the DTMF. Pls... help
J john.l New Member Sep 9, 2009 #2 I also need information about dtmf decoder.... can someone please post reply..... plzzzzz I need it....
I also need information about dtmf decoder.... can someone please post reply..... plzzzzz I need it....
gaspode42 Member Sep 9, 2009 #3 DTMF decoder chip HT9170 - Data-sheet attached Attachments 82-4078e.pdf 209.3 KB · Views: 574
R rushi53 Member Sep 9, 2009 #4 john.l said: I also need information about dtmf decoder.... can someone please post reply..... plzzzzz I need it.... Click to expand... To tell you in short and simple words, DTMF decoder ic decodes the DTMF tones in to BCD which means it will receive DTMF tone at its input and give 0 to 12 in BCD at its output what is ur end application? I mean where u r going to use this ic ?
john.l said: I also need information about dtmf decoder.... can someone please post reply..... plzzzzz I need it.... Click to expand... To tell you in short and simple words, DTMF decoder ic decodes the DTMF tones in to BCD which means it will receive DTMF tone at its input and give 0 to 12 in BCD at its output what is ur end application? I mean where u r going to use this ic ?
J john.l New Member Sep 10, 2009 #5 my project is little bit simillar to wireless device controlling.... for this I need FM tx and DTMF encoder...
my project is little bit simillar to wireless device controlling.... for this I need FM tx and DTMF encoder...
A abhi.sharma New Member Sep 10, 2009 #6 I am building a circuit which needs to transfer data through wireless. I am confused between RF or FM... which should I go for ?
I am building a circuit which needs to transfer data through wireless. I am confused between RF or FM... which should I go for ?
R rushi53 Member Sep 10, 2009 #7 abhi.sharma said: I am building a circuit which needs to transfer data through wireless. I am confused between RF or FM... which should I go for ? Click to expand... Anyone of these 2 can be used. It depends on your application.
abhi.sharma said: I am building a circuit which needs to transfer data through wireless. I am confused between RF or FM... which should I go for ? Click to expand... Anyone of these 2 can be used. It depends on your application.