参数资料
型号: XRT75R03DIV-F
厂商: Exar Corporation
文件页数: 27/135页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 3CH 128LQFP
标准包装: 72
类型: 线路接口装置(LIU)
驱动器/接收器数: 3/3
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-LQFP(14x20)
包装: 托盘
XRT75R03D
118
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
REV. 1.0.4
Telcordia GR-253-CORE defines a "Continuous Cancel" Pointer Adjustment, as the "Continuous" Pointer
Adjustment pattern, with an additional pointer adjustment cancelled (or not executed), as shown above in
Figure 57.
Telcordia GR-253-CORE mandates that the Intrinsic Jitter, within the DS3 signal that is de-mapped from a
SONET signal, which is experiencing the "Continuous Cancel" pattern of Pointer Adjustments, must not
exceed 1.3UI-pp.
10.6
A Review of the DS3 Wander Requirements per ANSI T1.105.03b-1997.
To be provided in the next revision of this data sheet.
10.7
A Review of the Intrinsic Jitter and Wander Capabilities of the XRT75R03D in a typical system
application
The Intrinsic Jitter and Wander Test results are summarized in this section.
10.7.1
Intrinsic Jitter Test results
The Intrinsic Jitter Test results for the XRT75R03D in DS3 being de-mapped from SONET is summarized
below in Table 2.
FIGURE 57. ILLUSTRATION OF CONTINUOUS-CANCEL POINTER ADJUSTMENT SCENARIO
TABLE 32: SUMMARY OF "CATEGORY I INTRINSIC JITTER TEST RESULTS" FOR SONET/DS3 APPLICATIONS
SCENARIO
DESCRIPTION
SCENARIO
NUMBER
XRT75R03D
INTRINSIC JITTER TEST RESULTS
TELCORDIA GR-253-CORE CATEGORY I
INTRINSIC JITTER REQUIREMENTS
DS3 De-Mapping
Jitter
0.13UI-pp
0.4UI-pp
Single Pointer
Adjustment
A1
0.201UI-pp
0.43UI-pp (e.g. 0.13UI-pp + 0.3UI-pp)
Pointer Bursts
A2
0.582UI-pp
1.3UI-pp
Phase Transients
A3
0.526UI-pp
1.2UI-pp
Continuous Pointer Adjustments
T
Cancelled
Pointer Adjustment
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XRT75R03IV-F IC LIU E3/DS3/STS-1 3CH 128LQFP
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XRT75R03IV 功能描述:外围驱动器与原件 - PCI 3CHNNEL E3/DS3/STS 1 JITTER ATTENUATOR RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray
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