13 Modulation Accuracy (Composite EVM) Measurement
Meas Setup
•
OFF: The measurement results for EVM, Rho, and Modulation Accuracy (Rho) error are not compensated
for I/Q imbalance.
Key Path
Meas Setup, Advanced
Mode
WCDMA
Remote Command
[:SENSe]:RHO:EVMMinimize:IQIMbalance OFF|ON|0|1
[:SENSe]:RHO:EVMMinimize:IQIMbalance?
Example
RHO:EVMM:IQIM ON
RHO:EVMM:IQIM?
Notes
This parameter is available only when N/W9073A-CFP license is installed.
Preset
OFF
State Saved
Saved in instrument state.
Range
On|Off
Initial S/W Revision
A.13.00
IQ Imbalance Frequency Compensation
Toggles Frequency Compensation for IQ Imbalance measurement results (IQ Gain Imbalance, IQ
Quadrature Error) for Receiver Device Under Test (DUT) between on and off. The Compensation is not
valid for Transmitter DUT.
•
ON: IQ Imbalance measurement results are compensated by taking account of Frequency Offset which
is added before IQ Imbalance addition on DUT.
•
OFF: IQ Imbalance measurement results are not compensated for the Frequency Offset.
Key Path
Meas Setup, Advanced
Mode
WCDMA
Remote Command
[:SENSe]:RHO:IQIMbalance:FCOMpen ON|OFF
[:SENSe]:RHO:IQIMbalance:FCOMpen?
Example
RHO:IQIM:FCOM ON
RHO:IQIM:FCOM?
Notes
This parameter is available only when N/W9073A-DFP license is installed.
Preset
OFF
State Saved
Saved in instrument state.
Range
On|Off
Initial S/W Revision
A.14.00
Capture Buffer Offset
Sets the timing offset in Capture Buffer, and the unit is slot, where 1 slot = 666.6 µs.
2118
W-CDMA & HSPA Measurement Applications Reference
Summary of Contents for E6640A
Page 80: ...Table of Contents lxxx W CDMA HSPA Measurement Applications Reference ...
Page 188: ...3 Programming the Test Set Common Commands 188 W CDMA HSPA Measurement Applications Reference ...
Page 256: ...5 Mode Functions Mode Setup 256 W CDMA HSPA Measurement Applications Reference ...
Page 324: ...6 System Functions System 324 W CDMA HSPA Measurement Applications Reference ...
Page 369: ...8 Channel Power Measurement Auto Couple W CDMA HSPA Measurement Applications Reference 369 ...
Page 389: ...8 Channel Power Measurement Marker W CDMA HSPA Measurement Applications Reference 389 ...
Page 664: ...9 ACP Measurement Auto Couple 664 W CDMA HSPA Measurement Applications Reference ...
Page 669: ...9 ACP Measurement BW W CDMA HSPA Measurement Applications Reference 669 ...
Page 984: ...9 ACP Measurement View Display 984 W CDMA HSPA Measurement Applications Reference ...
Page 1001: ...10 Spectrum Emission Mask Measurement W CDMA HSPA Measurement Applications Reference 1001 ...
Page 1668: ...12 Code Domain Measurement Auto Couple 1668 W CDMA HSPA Measurement Applications Reference ...
Page 2354: ...14 QPSK EVM Measurement 2354 W CDMA HSPA Measurement Applications Reference ...
Page 2364: ...14 QPSK EVM Measurement Auto Couple 2364 W CDMA HSPA Measurement Applications Reference ...