Hi.
Does any one know of where i could find a simple circuit that makes use of the HT9200 and HT9170 DTMF encoder and decoder chips?
i need to build an encoder and decoder for a project at college, and so far have had trobble finding any circuits ont the internet.
Thanks for any reply.
Stu
Does any one know of where i could find a simple circuit that makes use of the HT9200 and HT9170 DTMF encoder and decoder chips?
i need to build an encoder and decoder for a project at college, and so far have had trobble finding any circuits ont the internet.
Thanks for any reply.
Stu