參數(shù)資料
型號(hào): XRT75L06IB
廠(chǎng)商: EXAR CORP
元件分類(lèi): 數(shù)字傳輸電路
英文描述: SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
中文描述: DATACOM, PCM TRANSCEIVER, PBGA217
封裝: 23 X 23 MM, BGA-217
文件頁(yè)數(shù): 38/63頁(yè)
文件大?。?/td> 360K
代理商: XRT75L06IB
XRT75L06
REV. 1.0.3
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
35
4.1.2
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 8 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
XRT75L06
64
41
0.1
1.5
1
10
J
p
)
JITTER FREQUENCY (kHz)
800
ITU-T G.823
64
10
0.3
XRT75L06
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XRT75R03 THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
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