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    automatic dialer

    Abstract: tone dialer s5t5820c03d0 integrated tone dialer S5T5820C DTMF Telephone Dialer Circuit tone pulse dialer what is 3.58MHZ crystal oscillator in tv DTMF TONE GENERATOR
    Text: TONE/PULSE DIALER WITH REDIAL S5T5820C INTRODUCTION The S5T5820C is a DTMF/PULSE switchable dialer with a 32-digit redial which can be done using a slide switch. All necessary dual-tone frequencies are derived from a 3.579545 MHz TV crystal or ceramic resonator providing very high accuracy and stability. The required


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    S5T5820C S5T5820C 32-digit automatic dialer tone dialer s5t5820c03d0 integrated tone dialer DTMF Telephone Dialer Circuit tone pulse dialer what is 3.58MHZ crystal oscillator in tv DTMF TONE GENERATOR PDF