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DTMF Decoder module based on MT8870

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  • Availability :
  • In Stock
  • Warranty :
  • None
  • Model :
  • RKI-2569
₹224 (Incl. GST)
₹190 Excluding 18% GST
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The MT8870 Tone Decoder is a kind of common used multifrequency decode IC product developed by the MITEL company. It is a compete DTMF receiver. After it received the DTMF signal, it will divide the signal into high frequency group and low frequency group and send the signal to the digital decoder which can figure out the key value then send it to the outside Bus via four lines( Q1, Q2, Q3, Q4) as the binary form.


Features:

  • Working voltage: 5V
  • Power Consumption: 500MW(MAX)r: 500 mw (MAX)
  • On-board voice input interface
  • On-board LED, it is very convenient to check the output state.

Pinout

  1. Q1
  2. Q2
  3. Q3
  4. Q4
  5. StQ1
  6. StQ2
  7. IN
  8. GND
  9. VCC
  • Model : RKI-2569


DTMF Decoder module based on MT8870
Rs. 224 In Stock
The MT8870 Tone Decoder is a kind of common used multifrequency decode IC product developed by the MITEL company. It is a compete DTMF receiver. After it received

 

05/28/2017
Sachidananda Pattanayak
4 of 5 Stars
I want to interface and detect button press of EPABX line after picking of cradle. Is this PCB is suitable for this . Its connection diagram is available with this PCB? S Pattnayak 9911211514

 
Disclaimer : Actual product may vary from the product photograph displayed above. Photograph just for reference.

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