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3
Your First Measurement
Making a Measurement
Figure 3-8 Typical Phase Noise Curve for an Agilent 70420A Confidence Test
Sweep-Segments
Congratulations
3-10
E5500 Phase Noise Measurement System Version A.02.00
When the system begins measuring noise, it places the noise graph
on its display. As you watch the graph, you will see the system plot
its measurement results in frequency segments.
The system measures the noise level across its frequency offset range
by averaging the noise within smaller frequency segments. This
technique enables the system to optimize measurement speed while
providing you with the measurement resolution needed for most test
applications.
You have completed a phase noise measurement. You will find that
this measurement of the Agilent 70420A test set's internal noise
source provides a convenient way to verify that the system hardware
and software are properly configured for making noise
measurements. If your graph looks like that in
have confidence that your system is operating normally.
Figure
3-8, you now
Document Part No. E5500-90024 Ed. 1.0
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