Tektronix SPG8000 Technical Reference page 118

Performance verification
104
14. Check that the difference between the rise and fall times is within the specified
limits and record the result in the test record.
15. Swap the signal cables between the SDI 1A and SDI 1B connectors so that
SDI 1A connects to the trigger input and SDI 1B connects to the adapter.
16. Repeat steps 10 through 14 for the SDI 1B output.
17. Move the signal cable from the SDI 1A connector to the SDI 2B connector,
and move the signal cable from the SDI 1B connector to the SDI 2A
connector.
18. Repeat steps 10 through 16 for the SDI 2A and SDI 2B outputs.
19. Press the BACK button to exit the SDI calibration mode.
20. Disconnect all signal cables from the SPG8000.
21. Set the SDI output mode to SD:
a. Press the SDI button. SDI 1 : OUTPUT MODE should be displayed.
b. Use the left (◄) or right (►) arrow button to select the SD output mode.
Press the ENTER button to confirm the selection.
c. Press the down (▼) arrow button to select SDI 1 : FORMAT.
d. Use the left (◄) or right (►) arrow button to select the 525 59.94i format.
Press the ENTER button to confirm the selection.
22. Connect a 1 m cable from the SDI 1A output to the 3G SDI A input of a
WFM8300 with Options 3G and PHY. (See Figure 25 on page 95.)
23. Set up the WFM8300 to display an eye diagram and eye measurements full
screen.
24. Record the rise time, fall time, and difference in the test record.
25. Move the cable from the SDI 1A connector to the SDI 1B connector.
26. Repeat step 24 for the SDI 1B connector.
27. Repeat steps 21 - 26 for the SDI 2A and SDI 2B connectors.
Exit factory mode. Exit the factory mode.
28. Remove and then reattach the power cord to restart the SPG8000.
SPG8000 Specifications and Performance Verification