參數(shù)資料
型號(hào): XRT5997IVTR-F
廠(chǎng)商: Exar Corporation
文件頁(yè)數(shù): 18/37頁(yè)
文件大?。?/td> 0K
描述: IC LIU E1 7CH 3.3V 100TQFP
標(biāo)準(zhǔn)包裝: 1,000
類(lèi)型: 線(xiàn)路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 7/7
規(guī)程: E1
電源電壓: 3.14 V ~ 3.47 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-TQFP(14x14)
包裝: 帶卷 (TR)
其它名稱(chēng): XRT5997IVTR-F-ND
XRT5997
25
Rev. 1.0.0
2.0 The Receive Section
The Receive Sections of the XRT5997 device consists
of the following blocks:
The “Receive Equalizer” block
The “Peak Detector” and “Slicer” block
The “LOS Detector” block
The “Receive Output Interface” block
U1
XRT5997
RTIP_1
7
RRing_1
8
RxPOS_1
1
RxNEG_1
2
RxLOS_1
100
R1
18.7
1
2
1:2
PE-65835
1
5
4
8
J1
BNC
1
2
RxPOS_1
RxNEG_1
Loss of Signal - 1
2.1 Interfacing the Receive Sections to the Line
The design of each channel (within the XRT5997
device) permits the user to transformer-couple or
capacitive-couple the Receive Section to the line.
Additionally, as mentioned earlier, the specification
documents for E1 specify 75
terminationloads,when
transmitting over coaxial cable, and 120
loads, when
transmitting over twisted-pair. Figures 7 , through 9
present the various methods that the user can employ
in order to interface the Receivers (of the XRT5997
device) to the line.
Figure 7. Recommended Schematic for Interfacing the Receive Sections of the XRT5997
Device to the Line for 75
Applications (Transformer-Coupling)
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