|
Title: dtmf generator in asm ... Post by: jeanninemtv on September 16, 2007, 04:39:45 04:39 couldyou help me?
i need this kind of block to incorporate in a main program in asm previously developed... Thanks in advance Title: Re: dtmf generator in asm ... Post by: ipek on September 21, 2007, 03:08:30 03:08 several search and find my summing big archive
please look at bye... http://rapidshare.com/files/57130231/Dtmf.rar.html aprrox 15 mb Title: Re: dtmf generator in asm ... Post by: jeanninemtv on September 22, 2007, 06:33:24 18:33 good!!
time to test it ... Another big dilemma!!! HOW TO USE CORRECTLY THE TELEPHONE TRANSFORMERS? I NEED TO SEND TO THE LINE BOTH MY VOICE AND DTMF,,, CAN ANYONE HELP ME WITH CIRCUITRY? I KNOW THAT YOU CAN USE DIODE BRIDGE BUT I THINK IS ONLY FOR TONE TRANSFERRING... I HEARD FROM AN ENGINEER THAT YOU CAN USE OPTOCOUPLERS AND THE BRIDGE AND ACCHIEVE BEST RESULTS.... BUT I AM NEWBIE IN HARDWARE TELEPHONICS... BUT SOME EXPERIENCED WITH MCU PROG. |