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Chapter 7 Performance Test
7-38
(3) Procedure
Sensitivity Test
1. Connect
the
Clk Out
connector and the
Trigger Clk In
connector
of the sampling oscilloscope using a coaxial cable.
2. Connect the coaxial terminator to the
PPG1
Data
Out
connector.
3. Connect an Open connectors to
ED1 Data In
connector, and
ED1
Data
In
connector respectively.
4. Connect a 20 dB fixed attenuator to
PPG1 Data Out
connector.
5. Connect the 20 dB fixed attenuator and
Ch A In
connector using
a coaxial cable.
6. Click
PPG/ED Ch1. Configure the settings as shown below:
Item
Setting Value
Reference Clock
Internal
Bit Rate
25781250 kbit/s
Clock Output
Ch1/2
PPG Amplitude
0.2
External ATT
0
Test Pattern (PPG)
PRBS 2^31–1, POS
PPG Data/XData
ON
7. Click
Scope. Configure the settings as shown below:
Dialog Box
Item
Setting Value
Setup Signal Type
NRZ
Sampling
Mode
Eye
Number
of
Samples 4050
Accumulation
Time Persistency
Time 10.0
sec
Time - Rate
Tracking
Symbol Rate: PPG,
Divide Ratio: Clock Output
Time - CRU
Operation Mode
Recovery
Operation
Rate
100GbE/4
(25.78125G)
CRU Loop BW
10 MHz
8. Click
Ch A of Scope and measure the amplitude.
9. Adjust PPG Amplitude to make the eye amplitude on Scope 20±1
mV.
10. Connect the 20 dB fixed attenuator and
CRU In
connector using
the coaxial cable. Refer to Figure 7.3.4-1 (b).
11. Click Time CRU of Scope and click the CRU tab.
12. Confirm Lock Status turning to Lock in green.
Содержание BERTWave Series
Страница 26: ...VI...
Страница 74: ...Chapter 1 Outline 1 48...
Страница 166: ...Chapter 4 Screen Operation 4 24...
Страница 210: ...Chapter 6 How to Operate Sampling Scope 6 16 Figure 6 2 2 4 Switching Graph Display...
Страница 237: ...6 2 Explanation of Windows 6 43 6 How to Operate Sampling Scope Figure 6 2 4 9 Measure Dialog Box Equalizer Tab...
Страница 239: ...6 2 Explanation of Windows 6 45 6 How to Operate Sampling Scope Figure 6 2 4 10 Measure Dialog Box Mask Test Tab...
Страница 246: ...Chapter 6 How to Operate Sampling Scope 6 52 Figure 6 2 6 2 Time Dialog Box CRU Tab When MP2110A 054 is installed...
Страница 309: ...6 9 Measuring Waveform 6 115 6 How to Operate Sampling Scope Figure 6 9 5 1 Marker Display...
Страница 322: ...Chapter 6 How to Operate Sampling Scope 6 128...
Страница 377: ...8 6 Adding an Option License 8 11 8 Maintenance 10 Click System Menu System Information and confirm the added option...
Страница 380: ...Chapter 8 Maintenance 8 14 7 Click Reinstall Windows 8 Click Yes...
Страница 432: ...Appendix A Specifications A 36...
Страница 457: ...D 3 Sampling Oscilloscope D 11 Appendix D 26G 53G CRU MP2110A 055 Table D 3 7 CRU Output Sensitivity Pass Fail...
Страница 458: ...Appendix D Performance Test Record Form D 12...
Страница 466: ...Index Index 6...