1. Install the test hookup and preset the instrument controls:
a. Initialize the instrument: Press the Default Setup button.
b. Modify the initialized front-panel control settings:
■
Set the Horizontal Scale to 20 ns.
■
< 4 GHz models: Touch Vertical, select Vertical Setup, and then
touch Termination 50 Ω.
■
Press the Trigger Mode button to toggle it to Normal.
■
From the button bar, touch Horiz/Acq and select the Acquisition
tab.
■
Touch Average and set the number of averages to 16.
■
Touch the Equivalent ET button.
c. Hook up the test-signal source:
■
Connect the signal output of the generator to a power splitter.
Connect one output of the power splitter to Ch 1 as shown in the
following figure. Connect the other output of the power splitter to the
Aux Input as in the following figure.
Figure 33: Sensitivity, edge trigger, DC coupled test hookup
2. Confirm the trigger system is within sensitivity limits (50 MHz):
a. Display the test signal:
■
Set the generator frequency to 50 MHz.
■
From the button bar, touch Measure.
■
Touch Setup Ref Levs; then touch the Min-Max button.
■
Touch the Setup button and select the Ampl tab; then touch the
Amplitude button.
■
Touch the X (close) button.
Performance verification (MSO/DPO70000C, MSO/DPO70000DX, and DPO7000C series)
258 MSO70000C/DX, DPO70000C/DX, DPO7000C, MSO5000/B, DPO5000/B Series