1xEV-DO Measurements
R&S
®
CMW-KG8xx/-KM8xx/-KS8xx
301
User Manual 1173.9511.02 ─ 11
3.4.1.1
Specifying General Measurement Settings
The 1xEV-DO TX measurement application uses general commands of the
type
...:EVDO:MEAS...
(no
:MEValuation
/ no
:OLTR
mnemonic) to define the
signal routing and perform RF and analyzer settings.
// *************************************************************************
// System-Reset
// *************************************************************************
*RST; *OPC?
*CLS; *OPC?
// *************************************************************************
// Define signal routing, perform RF and analyzer settings
// for a 1xEV-DO signal with a carrier frequency of 825.3 MHz
// and a peak power of 7 dBm, allowing for a 5 dB user margin.
// Add a frequency offset of 10 kHz.
// *************************************************************************
ROUTe:EVDO:MEAS:SCENario:SALone RF1C, RX1
CONFigure:EVDO:MEAS:RFSettings:EATTenuation 2
CONFigure:EVDO:MEAS:RFSettings:FREQuency 825.3E+6
CONFigure:EVDO:MEAS:RFSettings:ENPower 7
CONFigure:EVDO:MEAS:RFSettings:UMARgin 5
CONFigure:EVDO:MEAS:RFSettings:FOFFset 10000
// *************************************************************************
// Redefine the frequency entering band class and channel number.
// *************************************************************************
CONFigure:EVDO:MEAS:RFSettings:BCLass KCEL
CONFigure:EVDO:MEAS:RFSettings:CHANnel 12
3.4.1.2
Configuring the Trigger System
// *************************************************************************
// Query trigger catalog.
// Use fast synchronization to the RF input signal,
// a trigger timeout of 1 s, trigger level, slope, delay
// evaluation offset and minimum trigger gap.
// *************************************************************************
TRIGger:EVDO:MEAS:MEValuation:CATalog:SOURce?
TRIGger:EVDO:MEAS:SOURce 'Free Run'
TRIGger:EVDO:MEAS:MEValuation:TOUT 1000
TRIGger:EVDO:MEAS:MEValuation:THReshold -30
TRIGger:EVDO:MEAS:MEValuation:SLOPe FEDGe
TRIGger:EVDO:MEAS:MEValuation:DELay 0.001
TRIGger:EVDO:MEAS:MEValuation:EOFFset 16
TRIGger:EVDO:MEAS:MEValuation:MGAP 0.00002
Programming
深圳德标仪器
135-1095-0799