Swept Frequency Accuracy - Agilent Technologies 83620A Service Manual

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2. Swept Frequency Accuracy

Description and Procedure
With the synthesizer in swept mode, the spectrum analyzer is set to zero span
at the measurement frequency. As the synthesizer sweeps through the spectrum
analyzer frequency setting, a signal is generated on the spectrum analyzer's
video output that is input to the oscilloscope.
he synthesizer's RIGGER OU PU , used to trigger the oscilloscope, is
a series of 1601 pulses, evenly spaced during the sweep. he oscilloscope is
triggered on the pulse that represents the desired measurement frequency, and
the spectrum analyzer is tuned to display the video output on the oscilloscope.
1. Connect the equipment as shown in Figure 2-2. Preset all instruments and
let them warm up for at least one hour.
Figure 2-2. wept Frequency Accuracy Test etup
2-12 Performance Tests HP 8360
wept Frequency Accuracy