DTMF MT8870 dial tone decoding module phone module.
kr36.00
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DTMF MT8870 dial tone decoding module phone module.
ISO2-CMOS Integrated DTMF Receiver
Description
The MT8870D/MT8870D-1 is a complete DTMF
receiver integrating both the bandsplit filter and digital
decoder functions. The filter section uses switched
capacitor techniques for high and low group filters;
the decoder uses digital counting techniques to detect
and decode all 16 DTMF tone-pairs into a 4-bit code.
Description
1, on-board decoding chip MT8870 complex frequency
2, on-board voice input interface
3, onboard five LED indicators for easy viewing output state
4, the main chip pins basically have been drawn
5, PCB size: 26.5 (mm) x24.5 (mm)
Anledningen till att den ligger i kategori NYTT PÅ LAGER är att
den inte är beskriven eller att den inte är testad.
DTMF MT8870 dial tone decoding module phone module.
ISO2-CMOS Integrated DTMF Receiver
Description
The MT8870D/MT8870D-1 is a complete DTMF
receiver integrating both the bandsplit filter and digital
decoder functions. The filter section uses switched
capacitor techniques for high and low group filters;
the decoder uses digital counting techniques to detect
and decode all 16 DTMF tone-pairs into a 4-bit code.
Description
1, on-board decoding chip MT8870 complex frequency
2, on-board voice input interface
3, onboard five LED indicators for easy viewing output state
4, the main chip pins basically have been drawn
5, PCB size: 26.5 (mm) x24.5 (mm)
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