3 Spectrum Analyzer Mode
3.8 Spurious Emissions Measurement
Preset
OFF
Preset by Mode Preset and All Markers Off
State Saved Saved in instrument state
3.8.7.3 Peak Search
The controls on this tab allow you to move the marker to selected peaks of the
signal, giving you enormous analysis capabilities, particularly when combined with
the Delta Marker function.
NOTE
Pressing the Peak Search hardkey automatically moves you to the Peak
Search page of the Marker menu
and
performs a peak search.
Pressing the Peak Search tab once you are already
in
the Marker menu does
not
perform a peak search.
Marker Frequency
This is the fundamental control that you use to move a marker around on the trace.
It is the same as "Marker Frequency" on page 1423 on the Settings tab.
Peak Search
Moves the selected marker to the trace point that has the maximum y-axis value for
that marker’s trace.
NOTE
Pressing the Peak Search hardkey automatically moves you to the Peak Search
page of the Marker menu
and
performs a peak search.
Remote
Command
:CALCulate:SPURious:MARKer[1]|2|…|12:MAXimum
Example
:CALC:SPUR:MARK2:MAX
:SYST:ERR?
can be used to query the errors to determine if a peak is found. The message “No peak found” will be
returned after an unsuccessful search
Notes Sending this command selects the subopcoded marker
In W-CDMA Mode, this command does not work when the selected marker is located on the polar
trace. In this case, the command is ignored
Spectrum Analyzer Mode User's &Programmer's Reference 1427