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Peak Search
the point with the highest y-axis value which does not violate the LO feed through rules. A rising and
falling slope are not required for these three peak search functions.
The remaining search functions
Next Peak, Next Pk Right, et cetera will only consider trace points
which have a rising and falling slope on the left and right respectively.
“Peak Search” Criteria
This menu lets you decide what kind of search you want to do when the Peak Search key is pressed (or
the equivalent SCPI command sent).
Note that there are two “types” of peak search functions. One type is the “Peak Search” type, the other
type is the “Next Peak” type. “Next Peak” searches (for example, Next Peak, Next Pk Left, Next Pk
Right) are always checked using the Excursion and Threshold criteria as long as these criteria are
On.The “Peak Search” type of search, simply finds the highest point on the trace. However you can
change the “Peak Search” type of search so that it also uses the Excursion and Threshold criteria. This
allows you to find the Maximum point on the trace that also obeys the Excursion and/or Threshold
criteria.
When
Highest Peak is selected, pressing Peak Search simply finds the highest peak on the marker’s
trace. If
Same as “Next Peak” Criteria is selected, then the search is also forced to consider the
Excursion and Threshold found under the “
Next Peak” Criteria menu.
Highest Peak
When this key is selected, pressing the Peak Search key or issuing the equivalent SCPI command finds
the maximum point on the trace, subject to the peak-search qualifications. This also affects the Peak
Search half of Pk-Pk search and the Continuous Peak Search.
Key Path Peak Search
Initial S/W Revision Prior to A.02.00
Key Path
Peak Search, Peak Criteria
Remote Command :CALCulate:MARKer:PEAK:SEARch:MODE MAXimum|PARameter
:CALCulate:MARKer:PEAK:SEARch:MODE?
Notes MAXimum corresponds to the
Highest Peak setting
PARameter corresponds to the
Same as “Next Peak” Criteria setting
Preset MAXimum
State Saved Saved in instrument state.
Readback line Current state
Initial S/W Revision Prior to A.02.00
Key Path
Peak Search, Peak Criteria, “Peak Search” Criteria
Example CALC:MARK:PEAK:SEAR:MODE MAX