STANDARD PRODUCT
PM4328 TECT3
DATASHEET
PMC-2011596
ISSUE 1
HIGH DENSITY T1/E1 FRAMER
AND M13 MULTIPLEXER
Figure 10: DJAT Minimum Jitter Tolerance vs. XCLK Accuracy T1 Modes
40
36
34
35
DJAT Minimum
Jitter Tolerance
UI pp
30
29
Max frequency
offset (PLL Ref
to XCLK)
25
100
200
0
250
32
300
354
100
Hz
± ppm
XCLK Accuracy
Figure 11: DJAT Minimum Jitter Tolerance vs. XCLK Accuracy E1 Modes
45
42.4
40
39
DJAT Minimum
Jitter Tolerance
UI pp
35
34.9
Max frequency
offset (PLL Ref
to XCLK)
30
100
200
49
300 308
100
Hz
0
± ppm
XCLK Accuracy
Jitter Transfer
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
PMC [ PMC-SIERRA, INC ]
