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4
Expanding Your Measurement Experience
Making the measurement
1
2
Figure 58 Suppression selections
• There are four different curves for this graph. (For more information about
92
Click the Continue button when you have completed the beatnote check
and are ready to make the measurement.
When the PLL Suppression Curve dialog box appears, select View
Measured Loop Suppression, View Smoothed Loop Suppression, and
View Adjusted Loop Suppression. See
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, and others).
"Adjusted" theoretical suppression curve—this is the new "adjusted"
d
theoretical value of suppression for this measurement. It is based on
Figure 58 on page
92.
Chapter
15, "Advanced Software
Agilent E5505A User's Guide
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