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Repeating the
Measurement
Doing More Research
Evaluating Your Measurement Results
Gathering More Data
Gathering More Data
Making phase noise measurements is often an iterative process. The
information derived from the first measurement will sometimes indicate that
changes to the measurement setup are necessary for measuring a particular
device. When you make changes to the measurement setup (such as trying a
different signal source, shortening cables, or any other action recommended
in
"Problem Solving" on page
change allows you to check the effect that the change has had on the total
noise graph.
To repeat a measurement, on the Measurement menu, click Repeat
Measurement.
If you are still uncertain about the validity of the measurement results, it may
be necessary to do further research to find other validating data for your
measurement. Additional information (such as typical noise curves for
devices similar to the unit-under-test or data sheets for components used in
the device) can often provide insights into the expected performance of the
unit-under-test.
15-6 Agilent Technologies E5500 Phase Noise Measurement System
15-13), repeating the measurement after each
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