參數(shù)資料
型號(hào): XRT91L80IB-F
廠商: Exar Corporation
文件頁數(shù): 18/46頁
文件大?。?/td> 0K
描述: IC TXRX SONET/SDH 4BIT 196STBGA
產(chǎn)品變化通告: XRT91L80IB Obsolescence 6/Sept/2010
標(biāo)準(zhǔn)包裝: 126
類型: 收發(fā)器
規(guī)程: SONET/SDH
電源電壓: 3.3V
安裝類型: 表面貼裝
封裝/外殼: 196-LFBGA
供應(yīng)商設(shè)備封裝: 196-STBGA(12x12)
包裝: 托盤
xr
XRT91L80
REV. 1.0.0
2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
29
4.4.3
Jitter Generation
Jitter generation is defined as the amount of jitter at the STS-N output in the absence of applied input jitter. The
Bellcore and ITU requirement for this type jitter is 0.01UI rms measured with a specific band-pass filter.
For more information on these specifications refer to Bellcore TR-NWT-000253 sections 5.6.2-5 and GR-253-
CORE section 5.6.
FIGURE 24. 91L80 MEASURED ELECTRICAL PHASE NOISE TRANSMIT JITTER GENERATION AT 2.488 GBPS
Wide-band filter used in this test case.
FIGURE 25. 91L80 MEASURED ELECTRICAL PHASE NOISE RECEIVE JITTER GENERATION AT 2.488 GBPS
Wide-band filter used in this test case.
P h a s e N o i s e T r a n s m i t J i t t e r G e n e r a t i o n
( W i d e B a n d ) u s i n g H P 8 5 6 0 E
- 1 3 5
- 1 3 0
- 1 2 5
- 1 2 0
- 1 1 5
- 1 1 0
- 1 0 5
- 1 0 0
- 9 5
- 9 0
- 8 5
1
1 0
1 0 0
1 0 0 0
1 0 0 0 0
1 0 0 0 0 0
F r e q u e n c y ( k H z )
d
B
C
/H
z
R E F C L K = 1 5 5 . 5 2 M H z
R E F C L K = 7 7 . 7 6 M H z
P h a se N o i s e R e c e i v e J i t te r G e n e r a ti o n
( W i d e B a n d ) u si n g H P 8 5 6 0 E
-1 3 5
-1 3 0
-1 2 5
-1 2 0
-1 1 5
-1 1 0
-1 0 5
-1 0 0
- 9 5
- 9 0
- 8 5
1
1 0
1 0 0
1 0 0 0
1 0 0 0 0
1 0 0 0 0 0
F r e q u e n c y ( k H z )
d
B
C
/H
z
R E F C L K = 1 5 5 . 5 2 M H z
R E F C L K = 7 7 . 7 6 M H z
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