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Command Reference
Power Measurement Subsystem
Set dBc method of OBW
[:SENSe]:OBWidth:XDB <value>
[:SENSe]:OBWidth:XDB?
specify the power level used to determine the emission
bandwidth as the number of dB down from the highest
signal point, within the occupied bandwidth span.
*RST:
26
Range:
0.10 to 100
Example:
:OBWidth:XDB 4
Key access:
Meas > Occupied BW > dBc
OBW Span
[:SENSe]:OBWidth:FREQuency:SPAN <freq>
[:SENSe]:OBWidth:FREQuency:SPAN?
Use this command to set the span in OBW test.
Example:
:OBWidth:FREQuency:SPAN 50 MHz
Key access:
Span > Span
OBW Max Hold State
[:SENSe]:OBWidth:MAXHold OFF|ON|0|1
[:SENSe]:OBWidth:MAXHold?
Use this command to turn on/off trace max hold state in
OBW test.
Example:
:OBWidth:MAXHold 1
Key access:
Trace > Max Hold
Query OBW and Centroid Result
:MEASure:OBW?
:FETCh:OBW?
Use this command to query the occupied bandwidth and
bandwidth centroid according to the method you set.