3 SCPI
3.3 Instrument-specific Commands
66
Example:
:FETCH:SCALar:CORRected:PCOLd? DB
[ Hot Power Measurement - Corrected ]
:FETCH:SCALar:CORRected:PHOT?
Function description:
This command is used to query the calibrated hot power value at a fixed
frequency point.
Query format:
:FETCH:SCALar:CORRected:PHOT? DB|LINear
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:SCALar:CORRected:PHOT? DB
Description:
The noise figure analyzer can measure hot power when the noise source is on,
and the power is related to the power of the instrument port.
[ Equivalent Noise Temperature Measurement - Corrected ]
:FETCH:SCALar: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:SCALar: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:SCALar:CORRected:TEFFective? K
3.3.7.4 Uncorrected Measurement Results in Fixed Frequency Mode
[ Noise Figure Measurement - Uncorrected ]
:FETCH:SCALar:UNCorrected:NFIGure?
Function description:
This command is used to query the uncalibrated noise figure value at a fixed
frequency point.
Query format:
:FETCH:SCALar: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:SCALar:UNCorrected:NFIG? DB
[ Gain Measurement - Uncorrected ]
:FETCH:SCALar:UNCorrected:GAIN?
Function description:
This command is used to query the uncalibrated gain value at a fixed frequency point.
