Instructions

Chapter 2 Command Systems for GPSA and RTSA Modes RIGOL
RSA3000E Programming Guide 2-147
:SENSe:FREQuency:SPAN 20000000
The following query returns 2.000000000e+07.
:SENSe:FREQuency:SPAN?
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio
Syntax
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio <integer>
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio?
Description
Sets the ratio of span to RBW.
Queries the ratio of span to RBW.
Parameter
Name
Type
Range
Default
<integer>
Discrete
2 to 10,000
106
Remarks
This command is valid for the swept SA measurement in GPSA mode.
Return Format
The query returns the span/RBW ratio in integer.
Example
The following command sets the span/RBW ratio to 100.
:SENSe:FREQuency:SPAN:BANDwidth:RESolution:RATio 100
The following query returns 100.
:SENSe:FREQuency:SPAN:BANDwidth:RESolution:RATio?
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio:AUTO
Syntax
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio:AUTO OFF|ON|0|1
[:SENSe]:FREQuency:SPAN:BANDwidth[:RESolution]:RATio:AUTO?
Description
Enables or disables the auto setting mode of span/RBW ratio.
Queries the status of the auto setting mode of span/RBW ratio.
Parameter
Name
Type
Range
Default
——
Bool
OFF|ON|0|1
ON|1
Remarks
This command is valid for the swept SA measurement in GPSA mode.
Return Format
The query returns 0 or 1.