User manual

RIGOL Chapter 2 Command System
2-150 RSA3000 Programming Guide
[:SENSe]:OBWidth:FREQuency:SPAN
Syntax
[:SENSe]:OBWidth:FREQuency:SPAN <freq>
[:SENSe]:OBWidth:FREQuency:SPAN?
Description
Sets the span of the occupied bandwidth measurement.
Queries the span of the occupied bandwidth measurement.
Parameter
Name
Type
Range
[1]
Default
<freq>
Consecutive Real Number
100 Hz to 4.5 GHz
2 MHz
Note
[1]
: If option RSA3000-BW1 is installed, the available range is from 10 Hz to 4.5 GHz.
Remarks
This command is only valid when the occupied bandwidth measurement in GPSA mode is enabled.
This setting changes the span of the analyzer.
Return Format
The query returns the span in scientific notation. The unit is Hz.
Example
The following command sets the span to 1 MHz.
:SENSe:OBWidth:FREQuency:SPAN 1000000
The following query returns 1.000000000e+06.
:SENSe:OBWidth:FREQuency:SPAN?
[:SENSe]:OBWidth:MAXHold:STATe
Syntax
[:SENSe]:OBWidth:MAXHold:STATe OFF|ON|0|1
[:SENSe]:OBWidth:MAXHold:STATe?
Description
Enables or disables Max Hold of the occupied bandwidth measurement.
Queries the Max Hold state of the occupied bandwidth measurement.
Parameter
Name
Type
Range
Default
——
Bool
OFF|ON|0|1
OFF|0
Remarks
This command is only valid when the occupied bandwidth measurement in GPSA mode is enabled.
When Max Hold is enabled, each measurement result is compared with the previous result, and then display
whichever is the maximum.
When Max Hold is disabled, the current measurement result is displayed.
Max Hold and average measurement mode are mutually exclusive. When Max Hold is enabled, the average
measurement mode will be automatically disabled.
Return Format
The query returns 0 or 1.