Keysight Technologies X Series Service Manual page 257

Baseband Generators
A2 Vector BBG Assembly Troubleshooting
4. Setup the function generator with the following settings:
5. Tune the instrument to 1 GHz by pressing FREQ, 1 GHz.
6. Turn both the output power and modulation on by pressing RF On/Off and
7. Set the power level to -10 dBm by pressing AMPTD, -10 dBm.
8. On the source press Mode, Dual ARB, Select Waveform.
9. Highlight RAMP_TEST_WFM and press Select Waveform.
10.Set the trigger type by pressing Trigger Type, Gated, Active High.
11.Set the trigger source by pressing Trigger Source, Trigger Source, EXT.
12.Turn the Arb on by pressing Mode, Dual ARB, Arb On.
13.At this point the ARMED indicator should be displayed on the screen and
14.Select the PATT TRIG input by pressing Trigger Source, Ext Source, Patt
15.Connect the function generator output to the PAT TRIG connector.
16.The signal on the spectrum analyzer should now be alternating between
Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
— Function = Square wave
— Frequency = 1 Hz
— Amplitude = 1 VP-P
— Offset = +0.5 V
Mod On/Off so that the LEDs below them come on.
the spectrum analyzer should be displaying a CW signal at the center of
the screen at -10 dBm.
Trig 1 BNC Source, Patt Trig.
the CW signal and the playing of the waveform file shown in
a rate equal to the frequency of the function generator.
Figure 12-9 at
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