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Chapter 5 329
Language Reference
SENSe Subsystem
Signal Corrections Commands
Correction for RF Port External Attenuation
[:SENSe]:CORRection[:RF]:LOSS <rel_power>
[:SENSe]:CORRection[:RF]:LOSS?
Set the correction equal to the external attenuation used when
measuring the device under test.
Factory Preset
and *RST: 0 dB
Range: -50 to +50 dB
Default Unit: dB
Remarks: You must be in the Basic mode to use this command.
Use INSTrument:SELect to set the mode.
Value is global to Basic mode.
Front Panel
Access:
Input, Ext Atten
Select the Input Signal
[:SENSe]:FEED RF|IQ|IONLy|QONLy|AREFerence|IFALign
[:SENSe]:FEED?
Selects the input signal. The default input signal is taken from the
front panel RF input port. For calibration and testing purposes the
input signal can be taken from an internal 321.4 MHz IF alignment
signal or an internal 50 MHz amplitude reference source.
If the baseband IQ option (Option B7C) is installed, I and Q input ports
are added to the front panel. The I and Q ports accept the in-phase and
quadrature components of the IQ signal, respectively. The input signal
can be taken from either or both ports.
RF selects the signal from the front panel RF INPUT port.
IQ selects the combined signals from the front panel optional I and Q
input ports.
IONLy selects the signal from the front panel optional I input port.
QONLy selects the signal from the front panel optional Q input port.
IFALign selects the internal, 321.4 MHz, IF alignment signal.
AREFerence selects the internal 50 MHz amplitude reference signal.