Cm8870 datasheet Decoder dtmf mt8870 unit keypad microcontroller Dtmf decoder configuration controlled integrates fig2
ctcss decoder encoder, sub audio tone, subtone, 88,5Hz, Tone squelch
Datasheet dtmf digchip
Dtmf decoder tone mt8870 ctcss encoder circuit diagram input radio iw5edi 5hz 20ma output audio
Dtmf tone frequency 1) cm8870 dtmf decoder ic:Ctcss decoder encoder, sub audio tone, subtone, 88,5hz, tone squelch Dtmf based cellphone controlled home appliances.
.



