Performance Tests (MSO70000/C Series, DSA/DPO70000B/C Series, and DPO7000 Series)
Signal Acquis
ition System Checks
These procedures check those characteristics that relate to the signal-acquisition
system and are listed as checked under Warranted Characteristics in
Specificatio
ns. (See Table 3-2.) for test equipment specifications.
Check DC Voltage
Measurement Accuracy
Equipment Required Prerequisites
One DC calibration generator (Item 6)
One SMA male-to-BNC female adapter (Item
19)
The instrument must meet the prerequisites.
(See page 3-18, Prerequisites.)
WARNING. The generator is capable of outputting dangerous voltages. Be sure to
set the DC calibration generator to off or 0 volts before connecting, disconnecting,
and/or mo
ving the test hookup during the performance of this procedure.
1. Install the test hookup and preset the instrument controls:
a. Hook up the test-signal source:
Set the output of a DC calibration generator to off or 0 volts. Set the
DC impedance of the generator to 50 Ω.
Connect the output of a DC calibration generator. (See Figure 3-20.)
b. Initialize the instrument: Press DEFAULT SETUP.
c. Modify the default settings:
From
the button bar, touch Horiz/Acq and select the Acquisition tab.
Touch Average andsetthenumberofaveragesto16.
< 4 GHz models: Touch Vert ic al, select Ver tical Setup,andthen
touch Termination 50 Ω.
3–42 MSO70000/C, DSA70000B/C, DPO7000B/C, DPO7000, MSO5000, DPO5000 Series
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