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    NJM2073

    Abstract: 1336L H0310
    Text: APPLICATION NOTE H8/300H Tiny Series Creating a DTMF Generator Using PWM Introduction This document describes how to create a Dual Tone Multifrequency DTMF generator using a D/A converter with Pulse Width Modulation (PWM) to place calls from a general-purpose telephone.


    Original     		PDF H8/300H H8/36014 REJ06B0219-0100Z/Rev NJM2073 1336L H0310

    keypad dtmf generator

    Abstract: pwm Generator NJM2073
    Text: APPLICATION NOTE H8/300H Tiny Series Creating a DTMF Generator Using PWM Introduction This document describes how to create a Dual Tone Multifrequency DTMF generator using a D/A converter with Pulse Width Modulation (PWM) to place calls from a general-purpose telephone.


    Original     		PDF H8/300H H8/36014 REJ06B0219-0200/Rev keypad dtmf generator pwm Generator NJM2073