Keysight Technologies Infiniium 90000A Series, Service Manual

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34 90000 A-Series Service Guide
3
Testing Performance
6
Press [Default Setup] , then configure the oscilloscope as follows:
a
Ensure the channel under test is displayed and all other channels are turned
off.
b
Set the vertical scale of the channel under test to 5 mV/div.
c
Set the horizontal scale to 16 ns/div (to display 8 cycles of a 50 MHz
waveform).
d
Click Setup > Acquisition... and make sure the acquisition parameters are set
up as follows:
• Sin(x)/x Interpolation = Auto
• Averaging = Disabled
• Sampling rate = 40 GSa/s (maximum)
• Memory Depth = Automatic
e
Click Measure > Add Measurement... .
f
In the Add Measurement dialog box, select the Vertical RMS measurement
and configure it as follows:
• Source = Channel 1
• Measurement Area = Entire Display
• RMS Type = AC
Enter horizontal
scale