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    • 參數(shù)資料
      型號: XRT75L03IV-F
      廠商: Exar Corporation
      文件頁數(shù): 87/92頁
      文件大?。?/td> 0K
      描述: IC LIU E3/DS3/STS-1 3CH 128LQFP
      標(biāo)準(zhǔn)包裝: 72
      類型: 線路接口裝置(LIU)
      驅(qū)動器/接收器數(shù): 3/3
      規(guī)程: DS3,E3,STS-1
      電源電壓: 3.135 V ~ 3.465 V
      安裝類型: 表面貼裝
      封裝/外殼: 128-LQFP 裸露焊盤
      供應(yīng)商設(shè)備封裝: 128-LQFP(14x20)
      包裝: 托盤
      XRT75L03
      REV. 1.0.4
      THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
      85
      8.2.1
      ANALOG LOOPBACK:
      In this mode, the transmitter outputs (TTIP_n and TRING_n) are connected internally to the receiver inputs
      (RTIP_n and RRING_n) as shown in Figure 26. Data and clock are output at RCLK_n, RPOS_n and RNEG_n
      pins for the corresponding transceiver. Analog loopback exercises most of the functional blocks of the device
      including the jitter attenuator which can be selected in either the transmit or receive path.
      XRT75L03 can be configured in Analog Loopback either in Hardware mode via the LLB_n and RLB_n pins or
      in Host mode via LLB_n and RLB_n bits in the channel control registers.
      NOTES:
      1.
      In the Analog loopback mode, data is also output via TTIP_n and TRING_n pins.
      2.
      Signals on the RTIP_n and RRING_n pins are ignored during analog loopback.
      FIGURE 26. ANALOG LOOPBACK
      TRING
      TTIP
      RRING
      RTIP
      RPOS
      RNEG
      RCLK
      TNDATA
      TCLK
      TPDATA
      HDB3/B3ZS
      ENCODER
      HDB3/B3ZS
      DECODER
      J
      ITTE
      R
      2
      ATTE
      NUATO
      R
      J
      ITTE
      R
      2
      ATTE
      NUATO
      R
      TIMING
      CONTROL
      DATA &
      CLOCK
      RECOVERY
      1 if enabled
      2 if enabled and selected in either Receive or
      Transmit path
      Tx
      Rx
      1
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      相關(guān)代理商/技術(shù)參數(shù)
      參數(shù)描述
      XRT75L03IVTR 功能描述:時鐘合成器/抖動清除器 3CH E3/DS3/STS1 JITTER ATTENUATOR RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
      XRT75L03IVTR-F 功能描述:時鐘合成器/抖動清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
      XRT75L04 制造商:EXAR 制造商全稱:EXAR 功能描述:FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
      XRT75L04D 制造商:EXAR 制造商全稱:EXAR 功能描述:FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
      XRT75L04DES 功能描述:時鐘合成器/抖動清除器 4CH T3/E3/STS1 LIU+DESYNCH 3.3V RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel