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DTMF DECODER BOARD

Availability: In stock

Only 100 left

Rs.300.00

Quick Overview

A DTMF (Dual Tone Multi Frequency) decoder circuit identifies the dial tone from the telephone line and decodes the key pressed on the remote telephone. The detected DTMF signal which is a touch tone decoder. It decodes the input DTMF to 5 digital outputs. Decoder IC uses a digital counting technique to determine the frequencies of the limited tones and to verify that they correspond to standard DTMF frequencies. The DTMF tone is a form of one way communication between the dialer and the telephone exchange. The whole communication consists of the touch tone initiator and the tone decoder or detector.

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  • DTMF ENCODER BOARD
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    Details

    A DTMF (Dual Tone Multi Frequency) decoder circuit identifies the dial tone from the telephone line and decodes the key pressed on the remote telephone. The detected DTMF signal which is a touch tone decoder. It decodes the input DTMF to 5 digital outputs. Decoder IC uses a digital counting technique to determine the frequencies of the limited tones and to verify that they correspond to standard DTMF frequencies. The DTMF tone is a form of one way communication between the dialer and the telephone exchange. The whole communication consists of the touch tone initiator and the tone decoder or detector.

    FEATURES


    • Input voltage: 5VDC
    • Output: Digital


    APPLICATIONS


    • Remote control applications
    • Telephone answering applications
    • Credit card system
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