Tektronix TG8000 Service Manual

SDI7 module adjustment procedures
15. Rightclickont
he measurement readout, and se lec t Show S tatistics and Show
Annotations from the pop-up menu.
16. Note the expected average value, which is indicated by the letter μ, d isplayed
on the oscilloscope.
17. Press the Clear Data button on the oscilloscope and wait about 5 seconds
before proceeding to the next step.
18. Record the average value, which is indicated by the letter μ,intheSignal 1A
amplitude row Before adjustment value column of the SDI output amplitude
table.
NOTE. If you entered the attenuation factor into the scope at the end of
the amplitude characterization procedure, then the scope will display the
multiplication result.
19. PresstheTG8000up(▲)ordown(▼) arrow button, and then press the
Enter button, to activate the adjustment mode.
20. Press the Clear Data button on the oscilloscope and wait about 5 seconds
before proceeding to the next step.
21. Press the TG8000 up (▲)ordown(▼) arrow button to change the amplitude
to the expected average value noted in step 16.
22. Repeat steps 20 and 21 until the average attenuation measured value (μ)is
within 1 mV of the corrected attenuation value, and then press the TG8000
Enter button to save the new amplitude calibration value.
23. Record the new measured attenuation corrected value in the Signal 1A
amplitude row After adjustment value column of the SDI output amplitude
table.
24. Press the Back button to exit the Channel 1: Top Calibration mode.
25. Move the 1 m high-bandwidth cable from the SDI7 Signal 1A output to the
Signal 1B output.
26. Use the left (◄)orright(►) arrow buttons to select Channel 1: Bottom to
adjust the Signal 1B output, and then press the ENTER button.
27. Press the right (►)arrowbuttontoselect20 Bits Square, and then press
the ENTER button.
28. Repeat steps 18 through 24 for the Signal 1B output.
29. Move the 1 m high-bandwidth cable from the SDI7 Signal 1B output to the
Signal 2A output.
30. Use the left (◄)orright(►) arrow buttons to select Channel 2: Top to
adjust the Signal 2A output, and then press the ENTER button.
14–8 TG8000 Multiformat Test Signal Generator Service Manual

Tektronix TG8000 Specifications

General

Brand	Tektronix
Model	TG8000
Category	Portable Generator
Language	English