Measurement Difficulties; System Connections - Agilent Technologies e1420b User Manual

Phase noise measurement system
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Measurement Difficulties

Chapter 14, "Evaluating Your Measurement Results" contains troubleshooting
information to be used after the measurement has been made, and a plot has
been obtained.
When making phase noise measurements it is important to keep your
equipment connected until the measurements have been made, all problems
corrected, and the results have been evaluated to make sure that the
measurement is valid. If the equipment is disconnected before the results have
been fully evaluated, it may be difficult to troubleshoot the measurement.

System connections

The first thing to check if problems occur is the instrument connections and
settings as this is the most common error. It is also important to make sure the
levels are correct into the test set phase detector inputs.
Agilent E5505A User's Guide
Residual Measurement Fundamentals
7
225

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