WILLTEK 4403 - Page 361

Appendix A SCPI Command Reference
MEASure subsystem
WCDMA Options Version 6.20
339
:MEASure:WCDMa[:CONTinuous]:RFTX:MODQuality:PRMS
:MEASure:WCDMa[:CONTinuous]:RFTX:MODQuality:PPEAk
:MEASure:WCDMa[:CONTinuous]:RFTX:MODQuality:RHO
:MEASure:WCDMa[:CONTinuous]:RFTX:MODQuality
:IQOFfset
Example
:MEAS:WCDM:RFTX:MODQ:MPEA?
Returns the measured Magnitude peak vector error, e.g. 72.736
.
Syntax
:MEASure:WCDMa[:CONTinuous]:RFTX:MODQuality:PRMS
Parameters
There are no parameters.
Description
Starts a continuous RMS phase error measurement.
Query
The query form of this command will return a floating point value; the unit is percent.
Example
:MEAS:WCDM:RFTX:MODQ:PRMS?
Returns the measured RMS phase vector error, e.g. 6.738
.
Syntax
:MEASure:WCDMa[:CONTinuous]:RFTX:MODQuality:PPEAk
Parameters
There are no parameters.
Description
Starts a continuous peak phase error measurement.
Query
The query form of this command will return a floating point value in percent.
Example
:MEAS:WCDM:RFTX:MODQ:PPEA?
Returns the measured phase peak vector error, e.g. 27.512
.
Syntax
:MEASure:WCDMa[:CONTinuous]:RFTX:MODQuality:RHO
Parameters
There are no parameters.
Description
Starts a continuous closed loop measurement.
Query
The query form of this command will return a floating point value.
Example
:MEAS:WCDM:RFTX:MODQ:RHO?
Returns the modulation quality, e.g.
0.9989.
Syntax
:MEASure:WCDMa[:CONTinuous]:RFTX:MODQuality:IQOFfset
Parameters
There are no parameters.
Description
Starts a continuous IQ origin offset vector error measurement.
Query
The query form of this command will return a floating point value with the result in
dBc.