3 SCPI
3.3 Instrument-specific Commands
63
Parameter description:
The unit is DB or LINear.
If no unit is specified, the system default unit dB is used.
Return value:
Hot power value
Example:
:FETCH:CORRected:PHOT? DB
[ Equivalent Noise Temperature Measurement - Corrected ]
:FETCH:CORRected:TEFFective?
Function description:
This command is used to query the calibrated equivalent noise temperature
within the range of the sweep frequency.
Query format:
:FETCH:CORRected:TEFFective? K|CEL|FAR
Parameter description:
The unit is K|CEL|FAR, or K, C, F.
If no unit is specified, the system default unit K is used.
Return value:
Equivalent noise temperature
Example:
:FETCH:CORRected:TEFFective? K
3.3.7.2 Uncorrected Measurement Results in Frequency Sweep Mode
[ Noise Figure Measurement - Uncorrected ]
:FETCH:UNCorrected:NFIGure?
Function description:
This command is used to query the uncalibrated noise figure value within the
range of the sweep frequency.
Query format :
:FETCH:UNCorrected:NFIGure? DB|LINear
Parameter description:
The unit is DB or LINear.
If no unit is specified, the system default unit dB is used.
Return value:
Noise figure value
Example:
:FETCH:UNCorrected:NFIG? DB
[ Gain Measurement - Uncorrected ]
:FETCH:UNCorrected:GAIN?
Function description:
This command is used to query the uncalibrated gain value within the range of
the sweep frequency.
Query format:
:FETCH:UNCorrected:GAIN? DB|LINear
Parameter description:
The unit is DB or LINear.
If no unit is specified, the system default unit dB is used.
Return value:
Gain
Example:
:FETCH:UNC:GAIN? DB
[ Y Factor Measurement - Uncorrected ]
:FETCH:UNCorrected:YFACtor?
Function description:
This command is used to query the uncalibrated Y factor within the range of the
sweep frequency.
Query format:
:FETCH:UNCorrected:YFACtor? DB|LINear
Parameter description:
The unit is DB or LINear.
