Chapter 2 155
Making Measurements
Example 12: Making Time-Domain Measurements with Sweep Delay
Unless the delay sweep function is used, the sweep starts immediately
after a valid trigger and lasts as long as the sweep time setting
indicates, and the only adjustment that can be made is to increase or
decrease the length of the sweep. A spectrum analyzer can show a
zero-span display, but if the spectrum analyzer is not using a sweep
delay, the amount of detail that can be seen for events that do not occur
immediately after the trigger event is limited. See Figure 2-81 for an
example of a zero-span display of an RF pulse that occurs 48 ms after
the external sweep trigger signal.
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