Keysight Technologies M8000 Series

382 Keysight M8000 Series of BER Test Solutions User Guide
7 Setting up Patterns
The following tables shows the PRBS polynomial for
M8020A/M8030A/M8040A that is used to generate the selected PRBS
2^n-1.
Table 51 PRBS polynomials for M8020A/M8030A/M8040A
PRBS Shift
Register
Length
Polynomial PRBS Length
2^7-1 7 x
7
+x
6
+1 127
2^9-1 9 x
9
+x
5
+1 511
2^11-1 11 x
11
+x
9
+1 2047
2^13-1 13 X
13
+ X
12
+ X
2
+ X
1
+ 1 8191
2^15-1 15 x
15
+x
14
+1 32767
2^23-1 23 x
23
+x
18
+1 8388607
2^23p-1 23 x
23
+x
21
+x
18
+x
15
+x
7
+x
2
+1 8388607
2^31-1 31 x
31
+x
28
+1 2147483647
2^33-1 33 X
33
+ X
20
+ 1 8589934591
2^35-1 35 X
35
+ X
33
+ 1 34359738367
2^39-1 39 X
39
+ X
35
+ 1 549755813887
2^41-1 41 X
41
+ X
38
+ 1 2199023255551
2^45-1 45 X
45
+ X
44
+ X
42
+ X
41
+ 1 35184372088831
2^47-1 47 X
47
+ X
42
+ 1 140737488355327
2^49-1 49 X
49
+ X
40
+ 1 562949953421311
2^51-1 51 X
51
+ X
50
+ X
48
+ X
45
+ 1 2251799813685247