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WCDMA PRACH Measurement
R&S
®
CMW-KG4xx/-KM4xx/-KS4xx
871
User Manual 1173.9657.02 ─ 11
5.4.6 Specifying Limits
// *****************************************************************************
// Define all modulation limits
// *****************************************************************************
CONFigure:WCDMa:MEAS:PRACh:LIMit:MERRor 20, OFF
CONFigure:WCDMa:MEAS:PRACh:LIMit:EVMagnitude 20, 40
CONFigure:WCDMa:MEAS:PRACh:LIMit:PERRor 20, OFF
CONFigure:WCDMa:MEAS:PRACh:LIMit:IQOFfset -20
CONFigure:WCDMa:MEAS:PRACh:LIMit:IQIMbalance ON
CONFigure:WCDMa:MEAS:PRACh:LIMit:CFERror 150
// *****************************************************************************
// Enable the check of the maximum output power limits, apply user-defined
// limit values and define these values. Query the used limit values.
// *****************************************************************************
CONFigure:WCDMa:MEAS:PRACh:LIMit:PCONtrol:MAXPower ON, USER
CONFigure:WCDMa:MEAS:PRACh:LIMit:PCONtrol:MAXPower:UDEFined 27, 1.5, -3.5
CONFigure:WCDMa:MEAS:PRACh:LIMit:PCONtrol:MAXPower:ACTive?
// *****************************************************************************
// Define open loop power limits, OFF power limit and power step limits.
// *****************************************************************************
CONFigure:WCDMa:MEAS:PRACh:LIMit:PCONtrol:OLPower ON, -20, 9
CONFigure:WCDMa:MEAS:PRACh:LIMit:PCONtrol:OFFPower -56
CONFigure:WCDMa:MEAS:PRACh:LIMit:PCONtrol:PSTep ON, 2, 1.5
5.4.7 Performing Measurements
// *****************************************************************************
// Enable all measurements and start the measurement.
// *****************************************************************************
CONFigure:WCDMa:MEAS:PRACh:RESult:ALL ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON
INIT:WCDMa:MEAS:PRACh
// *****************************************************************************
// Query all trace results.
// *****************************************************************************
FETCh:WCDMa:MEAS:PRACh:TRACe:EVMagnitude:RMS:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:EVMagnitude:PEAK:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:EVMagnitude:CHIP:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:MERRor:RMS:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:MERRor:PEAK:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:MERRor:CHIP:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:PERRor:RMS:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:PERRor:PEAK:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:PERRor:CHIP:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:FERRor:CURRent?
FETCh:WCDMa:MEAS:PRACh:TRACe:IQ:CURRent?
Programming
深圳德标仪器
135-1095-0799