Anritsu BERTWave Series, Operation Manual, Page: 325 / 466

7.1 Performance Test for Pulse Pattern Generator
7-3
7
Performance T
est
7.1.2 Frequency accuracy
(1) Specification
±10 ppm (One hour after power on)
(2) Setup
Figure 7.1.2-1 Operation Frequency Range Test Setup
(3) Procedure
1. Connect the Sync Out connector to the input connector of the
frequency counter.
2. Connect coaxial terminators to
Sync
Out
connector.
3. Click PPG/ED Ch1. Configure the settings as shown below:
Item Setting Value
Reference Clock Internal
Bit Rate Variable
28 200 000 kbit/s
0 ppm
Sync Output PPG_1/8 Clk
Test Pattern (PPG) PRBS 2^31–1, POS
4. Read the setting value of the frequency counter.
5. Check that the read value multiplied by 4 is within the following
range.
3 525 000 ±35.25 kHz
6. Set Bit Rate to 24 300 000 kbit/s.
When the MP2110A-093 is installed, input 9 500 000 kbit/s.
Frequency Counter
Sync Out
Input
7 025 000 002.3
Coaxial Terminator