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    參數(shù)資料
    型號: DJIXF972MTEA4
    廠商: Intel Corp.
    英文描述: Single-Port 10/100 Mbps PHY Transceiver
    中文描述: 單端口10/100 Mbps的物理層收發(fā)器
    文件頁數(shù): 59/92頁
    文件大?。?/td> 666K
    代理商: DJIXF972MTEA4
    Intel
    LXT972M Single-Port 10/100 Mbps PHY Transceiver
    Datasheet
    Document Number: 302875-005
    Revision Date: 27-Oct-2005
    59
    Figure 20
    shows the LXT972M Transceiver in a typical twisted-pair interface, with the RJ-45
    connections configured for a NIC application.
    Figure 20. Intel
    LXT972M Transceiver Typical Twisted-Pair Interface - NIC
    1. Center tap current may be supplied from 3.3 V VCCA as shown. Additional power savings may be
    realized by supplying the center tap from a 2.5 V current source. A separate ferrite bead (rated at 50
    mA) should be used to supply center-tap current.
    2. The 100
    Ω
    transmit load termination resistor typically required is integrated in the LXT972M
    Transceiver.
    3. Magnetics without a receive pair center tap do not require a 2 kV termination.
    4. RJ-45 connections shown for standard NIC. TX/RX crossover may be required for repeater and
    switch applications.
    TPIP
    TPIN
    * = 0.001
    μ
    F / 2.0 kV
    T
    1:1
    Intel
    LXT972M
    Transceiver
    1:1
    1
    TPOP
    TPON
    VCCA
    GND
    0.1
    μ
    F
    .01
    μ
    F
    2
    270 pF 5%
    270 pF 5%
    0.01
    μ
    F
    50
    Ω 1%
    50
    Ω 1%
    *
    *
    3
    SD/TP_L
    6
    3
    8
    7
    5
    4
    1
    2
    50
    Ω
    50
    Ω
    50
    Ω
    RJ-45
    50
    Ω
    50
    Ω
    50
    Ω
    4
    0.1
    μ
    F
    B3513-01
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