8 Frequency Scan Measurement
Peak Search
Next Peak Criteria
This key opens a menu that allows you to independently set the Peak Excursion and Peak Threshold and
turn them on and off.
Key Path
Peak Search, Peak Criteria
Initial S/W Revision A.07.00
Pk Excursion On/Off
Turns the peak excursion requirement on/off and sets the excursion value. The value defines the minimum
amplitude variation (rise and fall) required for a signal to be identified as peak. For example, if a value of
6 dB is selected, peak search functions like the marker Next Pk Right function move only to peaks that rise
and fall 6 dB or more.
When both Pk Excursion and Pk Threshold are on, a signal must rise above the Pk Threshold value by at
least the Peak Excursion value and then fall back from its local maximum by at least the Peak Excursion
value to be considered a peak.
Note that in the event that a sequence of trace points with precisely the same values represents the
maximum, the leftmost point is found.
Key Path
Peak Search, Next Peak Criteria
Remote Command
:CALCulate:FSCan:MARKer:PEAK:EXCursion <rel_ampl>
:CALCulate:FSCan:MARKer:PEAK:EXCursion?
:CALCulate:FSCan:MARKer:PEAK:EXCursion:STATe ON|OFF|1|0
:CALCulate:FSCan:MARKer:PEAK:EXCursion:STATe?
Example CALC:FSC:MARK:PEAK:EXC:STAT ON
CALC:FSC:MARK:PEAK:EXC 30 DB Sets the minimum peak excursion requirement to 30 dB.
Couplings Whenever you adjust the value of Pk Excursion (with the knob, step keys, or by completing a numeric
entry), and Peak Threshold is turned ON, the Peak Threshold Line and the Peak Excursion Region are
displayed. See Section "Pk Threshold Line On/Off" on page 519.
Preset 6.0 dB
ON
State Saved Saved in instrument state.
Min 0.0 dB
Max 100.0 dB
Default Unit dB
Initial S/W Revision A.07.00
518 EMI Receiver Mode Reference
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