VectorStar™ MS464xB Series Microwave Vector Network Analyzer Programming Manual : SCPI Commands : :SOURce{1-4}:EXTernal Subsystem
 
:SOURce{1-4}:EXTernal Subsystem
The :SOURce{1-4}:EXTernal subsystem commands are used to configure and control the indicated external source.
Trigger, Hold, and External Source Subsystems
Related trigger, hold, and external source subsystems are:
• :SENSe:HOLD Subsystem
• :SENSe{1-16}:HOLD Subsystem
• :SENSe{1-16}:OFFSet and :OFFset{1-50} Subsystem
• :SENSe{1-16}:SOURce{1-4} Subsystem
• :SOURce:ALL:EXTernal Subsystem
• :SOURce{1-4}:EXTernal Subsystem
• :TRIGger[:SEQuence] Subsystem
:SOURce{1-4}:EXTernal:ADDRess <NRf>
:SOURce{1-4}:EXTernal:ADDRess?
Description
Sets the GPIB address of the indicated external source.
Returns the GPIB address of the indicated external source.
Cmd Parameters
<NRf> The input parameter is a unitless number.
Query Parameters
<NR1> The output parameter is an integer.
Range
0 to 30
Default Value
The default value depends on which source is being used. The initial system default values are:
• External Source 1 = Address 4
• External Source 2 = Address 5
• External Source 3 = Address 2
• External Source 4 = Address 3
Syntax Example
:SOUR1:EXT:ADDR 8
:SOUR1:EXT:ADDR?
 
:SOURce{1-4}:EXTernal:FREQuency:MAXimum?
Description
Query only.
Returns the maximum frequency setting of the indicated external source.
Cmd Parameters
NA
Query Parameters
<NR3> The output parameter is in Hertz.
Range
NA
Default Value
Depends on the external source used.
Syntax Example
:SOUR1:EXT:FREQ:MAX?
 
:SOURce{1-4}:EXTernal:FREQuency:MINimum?
Description
Query only.
Returns the minimum frequency setting of the indicated external source.
Cmd Parameters
NA
Query Parameters
<NR3> The output parameter is in Hertz.
Range
NA
Default Value
Depends on the external source used.
Syntax Example
:SOUR1:EXT:FREQ:MIN?
 
:SOURce{1-4}:EXTernal:MODel?
Description
Query only.
Returns the model number of the indicated external source.
Query Parameters
<char> The output parameter can be any combination of numbers and letters.
Range
NA
Default Value
Depends on the external source used.
Syntax Example
:SOUR1:EXT:MOD?
 
:SOURce{1-4}:EXTernal:POINt?
Description
Query only.
Returns the number of points setting of the indicated external source.
Query Parameters
<NR1> The output parameter is an integer.
Range
NA
Default Value
Depends on the external source used.
Syntax Example
:SOUR1:EXT:POIN?
:SOURce{1-4}:EXTernal:POWer <NRf>
:SOURce{1-4}:EXTernal:POWer?
Description
Sets the power level of the indicated external source.
Returns the power level of the indicated external source.
Cmd Parameters
<NRf> The input parameter is in dBm.
Query Parameters
<NR3> The output parameter is in dBm.
Range
NA
Default Value
Depends on the external source used.
Syntax Example
:SOUR1:EXT:POW 3.0E0
:SOUR1:EXT:POW?