Anritsu BERTWave MP2100B, Руководство по эксплуатации, Страница: 177 / 382

6.3 Setting Conditions for Error Detection
6-17
6
Measuring Bit Error
The following table shows the sync processing start and stop levels for
each Sync Threshold selection.
Table 6.3-1 Bit Error Rate when Threshold setting is INT
Test Pattern Sync Control Pattern Length
Bit Error Rate
Sync
Processing
Start Level
Sync
Processing
Stop Level
PRBS – 2
n
–1 (n=7,9,15,23,31) 2.5 × 10

2
1.56 × 10

2
Programmable
Pattern
OFF 2 to 16 2.5 × 10

2
1.56 × 10

2
17 to 160 5.0 × 10

3
1.56 × 10

3
161 to 1,600 5.0 × 10

4
1.56 × 10

4
1,601 to 16,000 5.0 × 10

5
1.56 × 10

5
16,001 to 80,000 1.0 × 10

5
6.25 × 10

6
80,001 to 160,000 5.0 × 10

6
3.13 × 10

6
160,001 to 320,000 2.5 × 10

6
1.56 × 10

6
320,001 to 524,288 1.9 × 10

6
7.81 × 10

7
524,289 to 1,048,576 9.54 × 10

7
3.91 × 10

7
ON 128 to 5,120 1.95 × 10

4
1.56 × 10

4
5,121 to 10,240 9.77 × 10

5
7.81 × 10

4
10,241 to 51,200 1.95 × 10

5
1.56 × 10

5
51,201 to 102,400 9.77 × 10

6
7.81 × 10

5
102,401 to 204,800 4.88 × 10

6
3.91 × 10

6
204,801 to 307,200 3.26 × 10

6
2.60 × 10

6
307,201 to 409,600 2.44 × 10

6
1.95 × 10

6
409,601 to 524,288 1.91 × 10

6
1.53 × 10

6
524,289 to 1,048,576 9.54 × 10

7
7.63 × 10

7