3 SCPI
3.3 Instrument-specific Commands
55
local oscillator.
Setting format:
:SENSe:CONFigure:LOSCillator:PARameter:OFFSet <freq>
Query format:
:SENSe:CONFigure:LOSCillator:PARameter:OFFSet?
Return value:
Frequency, the default unit is Hz
Parameter description:
<freq> Frequency, the frequency unit that can be input is Hz, kHz, MHz, GHz, or k, M, G.
The default unit is Hz.
Example:
:SENSe:CONFigure:LOSCillator:PARameter:OFFSet 2kHz
:SENSe:CONFigure:LOSCillator:PARameter:OFFSet?
Reset status:
0
Key path:
Front panel
【
Mode Setup
】
—>[Ext LO Config]—>[Freq Offset]
[ External Local Oscillator GPIB Address ]
:SENSe:SYSTem:COMMunicate:GPIB:EXTLoscillator:ADDRess
Function description:
This command is used to set/query the external local oscillator GPIB address of
the external local oscillator.
Setting format:
:SENSe:SYSTem:COMMunicate:GPIB:EXTLoscillator:ADDRess <integer>
Query format:
:SENSe:SYSTem:COMMunicate:GPIB:EXTLoscillator:ADDRess?
Return value:
Integer
Parameter description:
<integer> Integer, range: [1, 30].
Example:
:SENSe:SYSTem:COMMunicate:GPIB:EXTLoscillator:ADDRess 19
:SENSe:SYSTem:COMMunicate:GPIB:EXTLoscillator:ADDRess?
Reset status:
19
Key path:
Front panel
【
Mode Setup
】
—>[Ext LO Config]—>[External LO GPIB Addr]
3.3.5.3 Uncertainty Calculator
The uncertainty calculation corresponds to the
【
Mode Setup
】
—>[Uncertainty Calculator] key on the
front panel. It is used to set and calculate the relevant parameters when calculating the uncertainty,
including DUT-related parameters, instrument parameters and noise source parameters that affect the
measurement uncertainty.
[ DUT Gain ]
:CALCulate:UNCertainty:DUT:GAIN
Function description:
This command is used to set/query the gain of the device under test.
Setting format:
:CALCulate:UNCertainty:DUT:GAIN <Val>
Query format:
:CALCulate:UNCertainty:DUT:GAIN?
Return value:
Gain value, the default unit is dB.
Parameter description:
<Val> Gain value, range: [0, 100] dB.
Example:
:CALC:UNC:DUT:GAIN 10
:CALC:UNC:DUT:GAIN?
