MT8870D DTMF解碼芯片
Features• Complete DTMF Receiver• Low power consumption• Internal gain setting amplifier• Adjustable guard time• Central...
Features• Complete DTMF Receiver• Low power consumption• Internal gain setting amplifier• Adjustable guard time• Central...
This application note describes how to decode standard DTMF tones using the minimum number of external discrete components and a PIC. The two examples...
試驗(yàn)DTMF軟解碼:...
本設(shè)計(jì)介紹了DTMF的通信系統(tǒng),利用dsp芯片實(shí)現(xiàn),給出了仿真結(jié)果圖。給出了實(shí)現(xiàn)的程序和原理,對(duì)于初學(xué)者想必會(huì)有幫助!...
PIC單片機(jī)解碼DTMF程序...