參數(shù)資料
型號(hào): XRT59L91IDTR-F
廠商: Exar Corporation
文件頁數(shù): 6/28頁
文件大?。?/td> 0K
描述: IC LIU E1 SGL 3.3V 16SOIC
產(chǎn)品變化通告: Packaging Change 15/Jul/2010
標(biāo)準(zhǔn)包裝: 1,000
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: E1
電源電壓: 3.13 V ~ 3.46 V
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 帶卷 (TR)
XRT59L91
14
Rev. 1.0.0
2.0 The Receive Section
The Receive Section of the XRT59L91 device consists
of the following blocks:
l
The “Receive Equalizer” block
l
The “Peak Detector” and “Slicer” block
l
The “LOS Detector” block
l
The “Receive Output Interface” block
2.1 Interfacing the Receive Section to the Line
The design of the XRT59L91 device permits the user
to transformer-couple or capacitive-couple the Re-
ceive Section to the line. Additionally, as mentioned
earlier, the specification documents for E1 specify
75
termination loads, when transmitting over coaxial
cable, and 120
loads,whentransmittingovertwisted-
pair. Figures 7 through 9 present the various methods
that the user can employ in order to interface the
Receiver (of the XRT59L91 device) to the line.
U1
X RT5 9L91
RT IP
9
RR in g
10
RxP O S
6
RxNE G
7
RxL O S
8
1:2
P E -6 5835
1
5
48
RL
18.7
1
2
J1
BN C
1
2
Loss of S ignal
RxNE G
RxP O S
Figure 7. Recommended Schematic for Interfacing the Receive Section of the XRT59L91
Device to the Line for 75
Applications (Transformer-Coupling)
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