3 IQ Analyzer (Basic) Mode
3.1 Complex Spectrum Measurement
NOTE
In the event that a sequence of trace points with precisely the same values
represents the maximum, the leftmost point is found.
If a signal comes onto the screen falling and falls all the way to the threshold
without ever rising, it is considered a peak at the far-left edge of the display.
Similarly, if a signal rises from the threshold and leaves the screen without ever
falling, it is considered a peak at the far-right edge of the display.
See "More Information" on page 216.
Remote Command Complex Spectrum:
:CALCulate:SPECtrum:MARKer:PEAK:EXCursion <rel_ampl>
:CALCulate:SPECtrum:MARKer:PEAK:EXCursion?
Streaming:
:CALCulate:STReaming:MARKer:PEAK:EXCursion <rel_ampl>
:CALCulate:STReaming:MARKer:PEAK:EXCursion?
Example Set the minimum peak excursion requirement to 30 dB:
:CALC:SPEC:MARK:PEAK:EXC:STAT ON
:CALC:SPEC:MARK:PEAK:EXC 30 DB
Dependencies Available only when Y axis unit is amplitude units, otherwise grayed out
Couplings Whenever you adjust the value of Pk Excursion (with the knob, step keys, or by completing a numeric
entry), if Pk Threshold is ON, "Pk Threshold Line" on page 217 is turned ON and the Peak Excursion
Region is displayed
Preset 6.0 dB
State Saved Saved in instrument state
Min 0.0 dB
Max 100.0 dB
Auto Function
Remote
Command
Complex Spectrum:
:CALCulate:SPECtrum:MARKer:PEAK:EXCursion:STATe OFF | ON | 0 | 1
:CALCulate:SPECtrum:MARKer:PEAK:EXCursion:STATe?
Streaming:
:CALCulate:STReaming:MARKer:PEAK:EXCursion:STATe OFF | ON | 0 | 1
:CALCulate:STReaming:MARKer:PEAK:EXCursion:STATe?
Preset
ON
More Information
If two signals are very close together, and the peak excursion and threshold criteria
are met at the outside edges of the combined signals, this function finds the highest
IQ Analyzer Mode User's &Programmer's Reference 216
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