Figure 142. Selecting Suppressions - Agilent Technologies e1420b User Manual

Phase noise measurement system
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Figure 142 Selecting suppressions
• There are four different curves for this graph. (For more information about
When the measurement is complete, refer to
Measurement Results" for help with using the results.
Agilent E5505A User's Guide
e5505a_user_select_suppression.ai
rev2 10/21/03
loop suppression verification, refer to
Features.")
a
"Measured" loop suppression curve—this is the result of the loop
suppression measurement performed by the E5505A system.
"Smoothed" measured suppression curve—this is a curve-fit
b
representation of the measured results, it is used to compare with the
"theoretical" loop suppression.
"Theoretical" suppression curve—this is the predicted loop suppression
c
based on the initial loop parameters defined/selected for this particular
measurement (kphi, kvco, loop bandwidth, filters, gain, etc).
"Adjusted" theoretical suppression curve—this is the new "adjusted"
d
theoretical value of suppression for this measurement. It is based on
changing loop parameters (in the theoretical response) to match the
"smoothed" measured curve as closely as possible.
Absolute Measurement Examples
Chapter
15, "Advanced Software
Chapter
14, "Evaluating Your
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