PM4328 View Datasheet(PDF) - PMC-Sierra
Part Name
Description
MFG CO.
'PM4328' PDF : 250 Pages View PDF
STANDARD PRODUCT
DATASHEET
PMC-2011596
ISSUE 1
PM4328 TECT3
HIGH DENSITY T1/E1 FRAMER
AND M13 MULTIPLEXER
Figure 10: DJAT Minimum Jitter Tolerance vs. XCLK Accuracy T1 Modes
40
36
35
DJAT Minimum
34
Jitter Tolerance
UI pp
30
29
Max frequency
offset (PLL Ref
to XCLK)
25
100
XCLK Accuracy
200 250 300 354
0
32
100
Hz
± ppm
Figure 11: DJAT Minimum Jitter Tolerance vs. XCLK Accuracy E1 Modes
45
42.4
40
DJAT Minimum
39
Jitter Tolerance
UI pp
35
34.9
Max frequency
offset (PLL Ref
to XCLK)
XCLK Accuracy
30
100
0
Jitter Transfer
200
300 308
Hz
49
100
± ppm
The output jitter in T1 mode for jitter frequencies from 0 to 6.6 Hz is no more
than 0.1 dB greater than the input jitter, excluding the residual jitter. Jitter
frequencies above 6.6 Hz are attenuated at a level of 6 dB per octave, as shown
in Figure 12.
PROPRIETARY AND CONFIDENTIAL
75
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