Agilent Technologies N1996A-503 User Reference page 123

Csa spectrum analyzer
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Mode
Key Path
Select Trace, Clear Write, Average, Max Hold, Min Hold, Update On/Off,
Display Show/Blank, Clear Trace, Clear All Traces
The trace features are shared across all the measurements in the Spectrum Analyzer
Mode. For details about how they operate, see
Mode
Key Path
Detector Function
Accesses the detector menu keys where you can select
Average
.
The detector features are shared across all the measurements in the Spectrum Analyzer
Mode. See the Trace/Detector section for details about how they operate.
NOTE
For accurate OBW measurements, it is recommended that you use the
sample or average trace detectors. The default detector is the sample
detector.
You can also use other detectors like peak, or negative peak. The
analyzer in this case will provide a correction to the result to improve
the accuracy of the OBW Power measurement. This correction is
calculated under the assumption that the signal has gaussian time
domain statistics. Consequently, the measurement may be in error
when this assumption is violated (for example: when measuring a CW
signal).
Mode
Remote Command
Example
Chapter 3
SA
Front-panel key
"Trace/Detector" on page
SA
Trace/Detector
Auto
SA
[:SENSe]:OBWidth:DETector[:FUNCtion]
AVERage|POSitive|SAMPle|NEGative
[:SENSe]:OBWidth:DETector[:FUNCtion]?
[:SENSe]:OBWidth:DETector:AUTO OFF|ON|0|1
[:SENSe]:OBWidth:DETector:AUTO?
OBW:DET AVER sets the detector to average.
OBW:DET:TRAC:AUTO ON
Occupied Bandwidth Measurement
78.
Peak
Sample
Negative Peak
,
,
,
Mode
, or
123

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