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    UM92870 Price and Stock

    United Microelectronics Corporation UM92870C

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    UM92870 Datasheets (4)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    UM92870 Unicorn Microelectronics Integrated DTMF Receiver Scan PDF
    UM92870A Unicorn Microelectronics INTEGRATED DTMF RECEIVER Scan PDF
    UM92870B Unicorn Microelectronics INTEGRATED DTMF RECEIVER Scan PDF
    UM92870C Unicorn Microelectronics INTEGRATED DTMF RECEIVER Scan PDF

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    CIRCUIT OF DIALTONE FILTER

    Abstract: UM92870 UM92870A PDI Gain Setting UM92870C 3.5795 crystal UM92870B UM92
    Text: LJIN/IC UMC U U 9 2 8 7 0 S e rie 9 Integrated DTMF Receiver Features Uses inexpensive 3.5795 MHz crystal CMOS for low power consumption Tristate outputs Early steering output • Full DTMF receiver in single 18-pin package ■ Single 5-volt power supply ■ Internal gain setting amplifier


    OCR Scan     		PDF 18-pin UM92870 350Hz 440Hz CIRCUIT OF DIALTONE FILTER UM92870A PDI Gain Setting UM92870C 3.5795 crystal UM92870B UM92