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174 Chapter 4
Making Measurements
Using Baseband I/Q Inputs (Option B7C)
BbIQ Programming Commands
This is a summary of the SCPI commands related to the operation of
Option B7C Baseband I/Q Inputs. For complete programming
information refer to the Language Reference chapter in the
Programmer’s Guide.
CALCulate Subsystem
Baseband I/Q - Spectrum I/Q Marker Query
:CALCulate:SPECtrum:MARKer:IQ [1]|2|3|4?
Reads out current I and Q marker values.
Baseband I/Q - Waveform I/Q Marker Query
:CALCulate:WAVeform:MARKer:IQ [1]|2|3|4?
Reads out current I and Q marker values.
CALibration Subsystem
Baseband I/Q - Align the Baseband IQ
:CALibration:GIQ
:CALibration:GIQ?
Performs the IQ group of alignments. The query performs the
alignment and returns a 0 if the alignment is successful.
Baseband I/Q - IQ Common Mode Response Null
:CALibration:IQ:CMR
:CALibration:IQ:CMR?
Forces a common mode response null on I/Q inputs.
Baseband I/Q - IQ Flatness Calibration
:CALibration:IQ:FLATness
:CALibration:IQ:FLATness?
Activates a flatness calibration for all I/Q ranges and impedance
settings.