Agilent Technologies Signal Analyzer N9030a - Manual (Page 636)

6 RLC Swept SA Measurement Front-Panel & SCPI Reference
Input/Output
Example :CORR:CSET1:COMM "this is a comment"
Notes 60 chars max; may not fit on display if max chars used
Preset Unaffected by Preset. Set to empty by Restore Input/Output Defaults
State Saved Saved in instrument state
Initial S/W Revision A.02.00
Edit
Invokes the integrated editing facility for this correction set.
When entering the menu, the editor window turns on, the selected correction is turned On, Apply
Corrections
is set to On, the amplitude scale is set to Log, and the Amplitude Correction (“Ampcor”)
trace is displayed. The actual, interpolated correction trace is shown in green for the selected
correction. Note that since the actual interpolated correction is shown, the correction trace may
have some curvature to it. This trace represents only the correction currently being edited,
rather than the total, accumulated amplitude correction for all amplitude corrections which are
currently on, although the total, accumulated correction for all corrections which are turned on is
still applied to the data traces.
Because corrections data is always in dB, but the Y-axis of the analyzer is in absolute units, it is
necessary to establish a reference line for display of the Corrections data. The reference line is
halfway up the display and represents 0 dB of correction. It is labeled “0 dB CORREC”. It is
drawn in blue.
Corrections data is always in dB. Whatever dB value appears in the correction table represents
the correction to be applied to that trace at that frequency. So if a table entry shows 30 dB that
means we ADD 30 dB to each trace to correct it before displaying it. By definition all points are
connected. If a gap is desired for corrections data, enter 0 dB.
Note that a well-designed Corrections array should start at 0 dB and end at 0 dB. This is because
whatever the high end point is will be extended to the top frequency of the instrument, and
whatever the low end point is will be extended down to 0 Hz. So for a Corrections array to have
no effect outside its range, you should start and end the array at 0 dB.
The table editor will only operate properly if the analyzer is sweeping, because its updates are tied to the
sweep system. Thus, you should not try to use the editor in single sweep, and it will be sluggish during
compute-intensive operations like narrow-span FFT sweeps.
When exiting the edit menu (by using the Return key or by pressing an instrument front-panel
key), the editor window turns off and the Ampcor trace is no longer displayed; however, Apply
Corrections
remains On, any correction that was on while in the editor remains on, and the
amplitude scale returns to its previous setting.
636 Remote Language Compatibility Measurement Application Reference