PM4341AT1XC
DATA SHEET
PMC-900602
ISSUE 7
T1 FRAMER/TRANSCEIVER
Figure 9
- DJAT Minimum JitterTolerance vs XCLK Accuracy
40
36
34
35
DJAT Minimum
Jitter Tolerance
UI pp
30
29
Max frequency
offset (PLL Ref
to XCLK)
25
100
XCLK Accuracy
200
0
250
32
300
354
100
Hz
± ppm
8.23.3 JitterTransfer
The output jitter 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 10 below:
Figure 10
- DJAT JitterTransfer
0
-10
-20
-30
-40
-50
62411
min
62411
max
43802
max
Jitter Gain
(dB)
DJAT
response
1
10
100
1k
10k
6.6
Jitter Frequency, Hz
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
53
PMC [ PMC-SIERRA, INC ]
