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    CMX138AE1 参数 Datasheet PDF下载

    CMX138AE1图片预览
    型号： CMX138AE1
    PDF下载： 下载PDF文件 查看货源
    内容描述： [Consumer Circuit, PDSO28, TSSOP-28]
    分类和应用： 光电二极管商用集成电路
    文件页数/大小： 71 页 / 1076 K
    品牌： CMLMICRO [ CML MICROCIRCUITS ]
     浏览型号CMX138AE1的Datasheet PDF文件第1页浏览型号CMX138AE1的Datasheet PDF文件第2页浏览型号CMX138AE1的Datasheet PDF文件第3页浏览型号CMX138AE1的Datasheet PDF文件第5页浏览型号CMX138AE1的Datasheet PDF文件第6页浏览型号CMX138AE1的Datasheet PDF文件第7页浏览型号CMX138AE1的Datasheet PDF文件第8页浏览型号CMX138AE1的Datasheet PDF文件第9页  
    Audio Scrambler and Sub-Audio Signalling Processor
    CMX138A
    Table 7 C-BUS Registers.............................................................................................................. 35
    Table 8 Reset Operations ............................................................................................................. 38
    Table 9 Voice Level Attenuation ................................................................................................... 50
    Table 10 RAMDAC Values ........................................................................................................... 56
    Figure
    Page
    Figure 1 Block Diagram .................................................................................................................. 6
    Figure 2 CMX138A Recommended External Components ............................................................ 9
    Figure 3 CMX138A Power Supply Connections and De-coupling ............................................... 11
    Figure 4 C-BUS Transactions ....................................................................................................... 14
    Figure 5 Signal Routing ................................................................................................................ 16
    Figure 6 Rx 25kHz Channel Audio Filter Frequency Response................................................... 18
    Figure 7 De-emphasis Curve for TIA/EIA-603 Compliance.......................................................... 18
    Figure 8 Tx Channel Audio Filter Response and Template (ETSI) .............................................. 20
    Figure 9 Tx Channel Audio Filter Response and Template (TIA) ................................................ 20
    Figure 10 Audio Frequency Pre-emphasis ................................................................................... 21
    Figure 11 Expandor Transient Response ..................................................................................... 23
    Figure 12 Compressor Transient Response................................................................................. 24
    Figure 13 Low Pass Sub-audio Band Filter for CTCSS and DCS ................................................ 27
    Figure 14 AuxADC IRQ Operation................................................................................................ 32
    Figure 15 Digital Clock Generation Schemes............................................................................... 33
    Figure 16 Default Tx Audio Filter Line-up ..................................................................................... 59
    Figure 17 Default Rx Audio Filter Line-up..................................................................................... 59
    Figure 18 C-BUS Timing............................................................................................................... 70
    Figure 19 Mechanical Outline of 28-pin TSSOP (E1)................................................................... 71
    It is always recommended that you check for the latest product datasheet version from the CML website:
    [www.cmlmicro.com].
    ©
    2010 CML Microsystems Plc
    Page 4
    D/138A/2

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