Part Number
    Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers
    Manufacturer Search

    99W121A Search Results

    99W121A Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    812 6V8A

    Abstract: BU8877 BU8877F Call Progress Tone generator
    Contextual Info: 99W121A Call Progress Tone Decoder for Telephone BU8877/F Description The BU8877 and BU8877F are ICs that detect dial tones from a call progress signal used in the telephone lines. The ICs detect dual signals 350Hz from 345 to 355Hz and 440Hz(from 435 to 445Hz).


    Original     		99w121abu8877/fbu8877bu8877f+6350hz355hz440hz445hz812 6v8acall progress tone generator PDF

    telephone dial tone detect

    Abstract: 350Hz IDD21 BU8877 BU8877F 440hz 3.58MHz crystal XTAL
    Contextual Info: 99W121A Call Progress Tone Decoder for Telephone BU8877/F Description The BU8877 and BU8877F are ICs that detect dial tones from a call progress signal used in the telephone lines. The ICs detect dual signals 350Hz from 345 to 355Hz and 440Hz(from 435 to 445Hz).


    Original     		99w121abu8877/fbu8877bu8877f+7350hz355hz440hz445hztelephone dial tone detectidd213.58mhz crystal xtal PDF