XRT91L30 View Datasheet(PDF) - Exar Corporation
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XRT91L30 Datasheet PDF : 39 Pages
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REV. 1.0.1
XRT91L30
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
FIGURE 23. GR-253 JITTER TOLERANCE MASK
A3
Input
Jitter
Amplitude
(UIpp)
A2
slope= -20dB/decade
slope= -20dB/decade
A1
f0
f1
f2
f3
f4
Jitter Frequency (Hz)
OC-N/STS-N LEVEL
1
3
12
48
F0 (HZ)
10
10
10
10
F1 (HZ)
30
30
30
600
F2 (HZ)
300
300
300
6000
F3 (HZ)
2K
6.5K
25K
100K
F4 (HZ)
20K
65K
250K
1000K
A1 (UIPP) A2 (UIPP) A3 (UIPP)
0.15
1.5
15
0.15
1.5
15
0.15
1.5
15
0.15
1.5
15
TABLE 16: XRT91L30 RECEIVER JITTER TOLERANCE PERFORMANCE
INTERFACE
FREQUENCY BAND INTERVAL
LOW
HIGH
GR-253/
G.783
MINIMUM
PERMISSIBLE
LIMIT
XRT91L30 JITTER TOLERANCE
MINIMUM
TYPICAL
MAXIMUM
OPTICAL
(KHZ)
(MHZ)
UI p2p
UI p2p
UI p2p
UI p2p
OC3/STM1
65
1
0.15
0.4
OC12/STM4
250
5
0.15
0.4
FIGURE 24. XRT91L30 MEASURED JITTER TOLERANCE WITH 77.76MHZ REFERENCE CLOCK
STS-3/STM-1
STS-12/STM-4
31
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