参数资料
型号: XRT82D20IW-F
厂商: Exar Corporation
文件页数: 8/27页
文件大小: 0K
描述: IC LIU E1 SGL 28SOJ
标准包装: 27
类型: 线路接口装置(LIU)
驱动器/接收器数: 1/1
规程: E1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 28-BSOJ
供应商设备封装: 28-SOJ
包装: 管件
其它名称: 1016-1359-5
XRT82D20
15
SINGLE CHANNEL E1 LINE INTERFACE UNIT
REV. 1.0.8
1.4
Interfacing the Transmit Section of the XRT82D20 to the Line
ITU-T G.703 specifies that the E1 line signal can be transmitted over coaxial cable and terminated with 75 or
transmitted over twisted-pair and terminated with 120.
In both applications (e.g., 75 or 120, the user is advised to interface the Transmitter to the Line, in the
manner as depicted in Figure 10 and Figure 11, respectively.
FIGURE 10. ILLUSTRATION OF HOW TO INTERFACE THE XRT82D20 TO THE LINE FOR 75 OHM APPLICATIONS AND
3.3V OPERATION ONLY
R Load
75
270
270
9.1
9.1
1 : 2
2 : 1
RTIP
RRING
TTIP
TRING
+3.3 V
0.1
F
TVDD
AVDD
TxLEV
TNEG/CODE
TPOS/TData
TClk
RPOS/RData
RNEG/LCV
RClk
AGND
TGND
10
F
Rxx Input
Tx Output
75
Coax
75
Coax
75
Signal
Source
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XRT82D20IW-F 制造商:Exar Corporation 功能描述:T1/E1 LIU IC
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XRT82L24 制造商:EXAR 制造商全称:EXAR 功能描述:QUAD E1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT82L24A 制造商:EXAR 制造商全称:EXAR 功能描述:QUAD E1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR