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  • 參數(shù)資料
    型號(hào): LA17000M
    元件分類: 接收器
    英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
    封裝: 14 X 14 MM, QFP-80
    文件頁數(shù): 27/54頁
    文件大?。?/td> 830K
    代理商: LA17000M
    LA17000M
    No. 6522-33/54
    Continued from preceding page.
    Pin No.
    Function
    Equivalent circuit
    Description
    37
    VCO
    Oscillation frequency: 912 kHz.
    Murata CSB912JF108
    40
    PHASE COMP.
    41
    PHASE COMP.
    38
    IF count buffer
    SEEK/STOP switch
    A13338
    A13339
    A13340
    Continued on next page.
    Forced
    SD 2.5V
    Shared pin for the IF count buffer (AC
    output) and SEEK/STOP switch (DC
    input).
    V38 switches among three modes
    according to the following voltages.
    For FM:
    5 V: SEEK mode
    2.5 V: Forced SD mode, RDS mode
    0 V: Reception mode
    For AM (two modes: 0 and 5V)
    5 V: SEEK mode
    0 V: Reception mode
    *When interference from an adjacent
    FM frequency is detected:
    2.5 V: Use RDS mode.
    SD circuit
    IF count buffer
    SEEK
    5V
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