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DTMF軟解碼:...
本設計介紹了DTMF的通信系統,利用dsp芯片實現,給出了仿真結果圖。給出了實現的程序和原理,對于初學者想必會有幫助!...
PIC單片機解碼DTMF程序...