XRT91L81IB View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT91L81IB' PDF : 40 Pages View PDF
XRT91L81
2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER
REV. P1.0.3
PRELIMINARY
4.4.2 Jitter Transfer
Jitter transfer is defined as the ratio of the jitter on the output of OC-N to the jitter applied on the input of OC-N
versus frequency. Jitter transfer is important in applications where the system is utilized in the loop-timed
mode, where the recovered clock is used as the source of the transmit clock.
4.4.3 Jitter Generation
Jitter generation is defined as the amount of jitter at the OC-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.
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