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16
Advanced Software Features
PLL Suppression Verification Process
PLL Suppression
Information
16-8
E5500 Phase Noise Measurement System Version A.02.00
The PLL Suppression View graph has been updated to allow
measured, calculated (adjusted), and theoretical information to be
examined more closely. When the "Always Show Suppression Graph"
is selected, the following graph
Figure 16-3 Default PLL Suppression Verification Graph
There are four different curves available for the this graph:
1
"Measured" loop suppression curve
result of the loop suppression measurement performed by the
E5500 system;
2
"Smoothed" measured suppression curve
curve-fit representation of the measured results, it is used to
compare with the "theoretical" loop suppression;
3
"Theoretical" suppression curve
predicted loop suppression based on the initial loop parameters
defined/selected for this particular measurement (kphi, kvco,
loop bandwidth, filters, gain, etc).
(Figure
16-3) is provided.
(Figure
16-4) - this is the
(Figure
16-5) - this is a
(Figure
16-6) - this is the
Document Part No. E5500-90024 Ed. 1.0
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