FETCh:WIQTuning

Last updated: October 30, 2013

FETCh:WIQTuning[:ALL]?

Function

Queries the IQ tuning measurement.

Measurement results are returned in the following order: Integrity, EVM (RMS), EVM (peak), Frequency Error, Origin Offset, Phase Error, Magnitude Error, Time Error, Peak Code Domain Error, IQ Gain Imbalance, IQ Phase Imbalance.

Query

Integrity

Range: 0 to 23
Resolution: 1

EVM (RMS)

Range: 0.0 to 99.0%, 9.91 E+37
Resolution: 0.1

EVM (Peak)

Range: 0.0 to 99.0%, 9.91 E+37
Resolution: 0.1

Frequency Error

Range: -99.0 to 99.0 kHz, 9.91 E+37
Resolution: 0.1

Origin Offset

Range: -99.0 to 0.0 dB, 9.91 E+37
Resolution: 0.1

Phase Error

Range: 0 to 180 degrees, 9.91 E+37
Resolution: 0.1

Magnitude Error

Range: 0.0 to 99.0%, 9.91 E+37
Resolution: 0.1

Timing Error

Range: -99.99 to 99.99 chips, 9.91 E+37
Resolution: 0.01 chips

Peak Code Domain Error

Range: -99.0 to 0 dB, 9.91 E+37
Resolution: 0.1

IQ Gain Imbalance

Range: -99 to 99, 9.91 E+37
Resolution: 0.001 dB

IQ Phase Imbalance

Range: 0 to 180, 9.91 E+37
Resolution: 0.001 deg

Requirements

Test Application Revision: A.03 and above.

Lab Application Revision: A.01 and above.

Programming Example

 
OUTPUT 714;"FETCh:WIQTuning:ALL?"
! Queries the IQ tuning measurement results.

FETCh:WIQTuning:BETas?

Function	Queries Beta_c , Beta_d1 , Beta_d2 , Beta_d3 , Beta_d4 , Beta_d5 , Beta_d6 , Beta_hsacknak , Beta_hscqi . These beta results are the same as those returned by the waveform quality measurement (see Betac, Betad1, Betad2, Betad3, Betad4, Betad5, Betad6, Betahsacknak, Betahscqi ).
Query	Range: 0 to 1 Resolution: 0.001
Requirements	Test Application Revision: A.03 and above. Test Application Revision A.09, with the required feature license, added Beta_hsacknak and Beta_hscqi . Lab Application Revision: A.01 and above. Lab Application Revision C.04 and D.00, added Beta_hsacknak and Beta_hscqi .
Programming Example OUTPUT 714;"FETCH:WIQTuning:BETas?"

FETCh:WIQTuning:BETas:HSPA?

Function	Queries Betac, Betad1, Betad2, Betad3, Betad4, Betad5, Betad6, Betahsacknak, Betahscqi, Betaec, Betaed1, Betaed2, Betaed3, Betaed4.
Query	Range: 0 to 1 Resolution: 0.001
Requirements	Lab Application Revision F.00 and above. Test Application Revision: A.14 and above, with the required feature license
Programming Example OUTPUT 714;"FETCh:WIQTuning:BETas:HSPA?"

FETCh:WIQTuning:EVM[:RMS]?

Function	Queries the rms IQ tuning measurement EVM.
Query	Range: 0 to 99.0%, 9.91 E+37 Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCH:WIQTuning:EVM?" !Returns rms EVM.

FETCh:WIQTuning:EVM:PEAK?

Function	Queries the peak IQ tuning measurement EVM.
Query	Range: 0 to 99.0%, 9.91 E+37 Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCH:WIQTuning:EVM:PEAK?" !Returns peak EVM.

FETCh:WIQTuning:FERRor?

Function	Queries the IQ tuning measurement frequency error.
Query	Range: -99.0 to 99.0 kHz, 9.91 E+37 Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:FERRor?" !Returns frequency error.

FETCh:WIQTuning:INTegrity?

Function	Queries the measurement integrity indicator for the last IQ tuning measurement completed. Zero indicates a normal measurement. See Integrity Indicator for information about non-zero integrity results.
Query	Range: 0 through 23
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:INTegrity?" !Queries the integrity indicator for the IQ tuning measurement results.

FETCh:WIQTuning:IQGain?

Function	Queries the IQ tuning measurement IQ modulator gain imbalance.
Query	Range: -99.0 to +99.0 dB Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:IQGain?" !Queries the IQ tuning measurement IQ gain imbalance.

FETCh:WIQTuning:IQPhase?

Function	Queries the IQ tuning measurement IQ modulator phase imbalance.
Query	Range: -180.0 to +180.0 deg Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:IQPhase?" !Queries the IQ tuning measurement IQ phase imbalance.

FETCh:WIQTuning:MERRor?

Function	Queries the IQ tuning measurement magnitude error.
Query	Range: 0 to 99.0% Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:MERRor?" !Queries magnitude error.

FETCh:WIQTuning:OOFFset?

Function	Queries the IQ tuning measurement origin offset.
Query	Range:-99.0 to 0 dB, 9.91 E+37 Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:OOFFset?" !Returns origin offset.

FETCh:WIQTuning:PCERror[:ALL]?

Function

Queries the IQ tuning measurement peak code domain error. There are four numbers returned for each measurement. The first three numbers describe the channel where the peak error result was measured (OVSF channelization code, spreading factor, I/Q channel type), and the last number is the peak error.

Results are returned in the following order: OVFS channelization code, spreading factor, I/Q channel type, and peak code domain error.

Query

Channelization Code

Range: 0 to 255, 9.91 E+37

Spread Factor

Range: 4 to 256, 9.91 E+37

I/Q Channel Type

Range: 0 = I, 1= Q, 9.91 E+37

Peak Code Domain Error

Range: -99.0 to 0 dB, 9.91 E+37
Resolution: 0.1

Requirements

Test Application Revision: A.03 and above.

Lab Application Revision: A.01 and above.

Programming Example

 
OUTPUT 714;"FETCh:WIQTuning:PCERror?" 
!Returns Channelization code, spread factor, I/Q channel type, and peak error.

FETCh:WIQTuning:PCERror:CHANnel?

Function	Returns the orthogonal variable spreading factor (OVSF) code number (channelization code) where the peak code domain error was detected.
Query	Range: 0 to 255, 9.91 E+37
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:PCERror:CHANnel?" !Returns channel where peak error was detected.

FETCh:WIQTuning:PCERror:ERRor?

Function	Queries the IQ tuning measurement peak code domain error.
Query	Range: -99.0 to 0 dB, 9.91 E+37 Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:PCERror:ERRor?" !Returns peak code domain error.

FETCh:WIQTuning:PERRor?

Function	Queries the IQ tuning measurement phase error.
Query	Range: 0 to 180.0 degrees, 9.91 E+37 Resolution: 0.1
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:PERRor?" !Returns IQ tuning measurement phase error.

FETCh:WIQTuning:TERRor?

Function	Queries the IQ tuning measurement timing error.
Query	Range: -99.99 to 99.99 chips, 9.91 E+37 Resolution: 0.01 chips
Requirements	Test Application Revision: A.03 and above. Lab Application Revision: A.01 and above.
Programming Example OUTPUT 714;"FETCh:WIQTuning:TERRor?" !Returns IQ tuning measurement timing error.

FETCh:WIQTuning:TRACe?

Function

Queries the IQ tuning measurement EVM for each chip up to 2560 chips.

IQ constellation data can be derived from this measurement result.

Query

Range: 0 to 99.0%

Resolution: 0.1

Requirements

Test Application Revision: A.03 and above.

Lab Application Revision: A.01 and above.

Programming Example

 
OUTPUT 714;"FETCh:WIQTuning:TRACe?" !Queries the IQ tuning measurment EVM for 2560 chips.