2201R Mobile Tester SCPI Reference Guide
Chapter 11 Fetch commands
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:FETCh:EGPRs:RFTX:ALL?
Syntax
:FETCh:EGPRs:RFTX:ALL?
Parameters
There are no parameters.
Description
There is solely a query form of this command available.
Query
The query form of this command returns the latest measurement result values of the :MEAS:EGPR[:ARR]:RFTX:ALL
measurement. The string delivered back contains 17 measurement result values, separated with commas. The order
and type of these measurement result values delivered back is as follows:
1. ERMS, the error vector magnitude rms-averaged over a burst. EVM is a relative value and shown as a percentage,
2. EPEAk, the maximum error vector magnitude within a burst. EVM is indicated per cent,
3. ENFTh, the error vector magnitude that is not exceeded by 95% of the symbols of a burst. The 95% EVM is shown
in %,
4. EOFFset, the origin offset indicates the accuracy of the i/Q modulators DC setup; it is usually an undesired leakage
produced due to a DC offset in the phones I/Q modulator. It is measured in dBc,
5. FREQuency, floating point real number representing the mobile’s frequency error,'
6. LENGth, floating point real number representing the length of the burst in microseconds,
7. UTIMe, floating point real number representing the timing error of the mobile under test in microseconds (taking
the ordered timing advance into account),
8. POWer, floating point real number representing the mobile’s RF output power level in dBm,
9. TEMPlate boolean number. 0 indicates that the power-time template (PTT) was not violated by the last burst
measured, while a 1 means that the burst did violate the PTT.
10...17. CORNer, eight floating point real numbers, representing the RF power level in dBm at eight pre-defined
positions of a burst.
Example
:MEAS:EGPR:RFTX:ALL
:FETC:EGPR:RFTX:ALL?
This example returns the latest measurement result values for the 17 most important EGPRS RF TX measurements.
The string delivered back in this example is:
"5.13,11.94,3,12,4.54,-2.22,557.0,0.1,11.22,0,-72.18, -61.91,-20.91,-0.05,-0.04,-17.97,-56.60,-73.95".
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