Agilent Technologies Signal Analyzer N9030a - Manual (Page 1321)

6 RLC Swept SA Measurement Front-Panel & SCPI Reference
Trace/Detector
Trace/Detector
The Trace/Detector menu lets you control the acquisition, display, storage, detection and
manipulation of trace data for the six available traces. The first page of this menu contains a
selection of the trace type (Clear Write, Trace Average, Max Hold, Min Hold) for the selected trace. Those
choices are described here.
A trace is a series of data points, each having an x and a y value. The x value is frequency (or
time, in zero span) and the y value is amplitude. Each data point is referred to as a trace point.
In any given trace, trace point 0 is the first point, and trace point (sweep_points – 1) is the last.
For example, in a 1001 point trace, the first point is 0 and the last is 1000. Another term
sometimes used to describe traces is bucket. A bucket is the frequency span of a trace point, equal
to the point spacing. For swept analysis, the y value in each bucket is measured while the
analyzer is sweeping across the bucket. How it is measured depends on which detector is
selected.
For more information see:
"Trace Update Indicator" on page 1323
"Trace Annunciator Panel" on page 1324
"Trace Annotation" on page 1325
"Trace Mode Backwards Compatibility" on page 1323
Key Path Front-panel key
Remote Command :TRACe[1]|2|...6:TYPE WRITe|AVERage|MAXHold|MINHold
:TRACe[1]|2|...6:TYPE?
Notes WRITe = Clear Write
AVERage = Trace Average
MAXHold = Maximum Hold
MINHold = Minimum Hold
Couplings ,Sending a trace command does not cause the specified trace to become selected.
Selecting a trace type (pressing any of the four keys or sending a TRAC:TYPE command) puts
Update in On and Display in On, even if that trace type was already selected.
Preset
Write.
During normal operation of the instrument (that is, other than at powerup), after a mode preset is
performed, all active traces are cleared. This is so their domains and initial x values will match
the current X Axis of the analyzer. Inactive traces are not cleared after a preset, so a trace which
is in Update=On before a preset, and in Update=Off after the preset, will still have the data that
it had before the preset.
Remote Language Compatibility Measurement Application Reference 1321