參數(shù)資料
型號: XRT75R12D
廠商: Exar Corporation
英文描述: TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述: 第十二章通道E3/DS3/STS-1線路接口單元與SONET DESYNCHRONIZER
文件頁數(shù): 43/131頁
文件大?。?/td> 717K
代理商: XRT75R12D
PRELIMINARY
XRT75R12D
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. P1.0.1
38
5.1.2
ITU-T G.823 standard specifies that the clock and data recovery unit must be able to tolerate jitter up to certain
specified limits. Figure 27 shows the tolerance curve.
E3 Jitter Tolerance Requirements
As shown in the Figures above, in the jitter tolerance measurement, the dark line indicates the minimum level
of jitter that the E3/DS3/STS-1 compliant component must tolerate. Table 9 below shows the jitter amplitude
versus the modulation frequency for various standards.
F
IGURE
26. I
NPUT
J
ITTER
T
OLERANCE
F
OR
DS3/STS-1
F
IGURE
27. I
NPUT
J
ITTER
T
OLERANCE
FOR
E3
0.01
0.03
JITTER FREQUENCY (kHz)
15
1.5
0.3
2
20
0.15
0.1
J
p
)
10
5
0.3
100
GR-253 STS-1
GR-499 Cat II
GR-499 Cat I
XRT75R12D
64
41
0.1
1.5
1
10
J
p
)
JITTER FREQUENCY (kHz)
800
ITU-T G.823
64
10
0.3
XRT75R12D
相關PDF資料
PDF描述
XRT75R12DIB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R12 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R12IB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75VL00 E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75VL00IV E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
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