Keysight M9421A - Ref Position

3 WLAN Mode
3.6 Modulation Analysis Measurement
Window Number Preset
Phase Error 4 7.5°(deg)
EVM vs. Chips 5 1.5%
EVM vs. Symbol 7 10.0 dB
EVM vs. Carrier 8 10.0 dB
Preamble Freq Error 14 1.0 kHz
I/Q Gain Imbalance 15 10.0 dB
I/Q Quadrature Skew 16 7.5°(deg)
Unused Tone Error 20 10.0 dBm
Power vs. Symbol 22 10.0 dBm
State Saved Saved in instrument state
Min/Max The Min/Max values for different windows are defined as follows:
Window Number Min/Max
Magnitude Error 3 0.1% / 50.0%
Phase Error 4 0.01°(deg)/ 3600.0°(deg)
EVM vs. Chips 5 0.1% / 50.0%
EVM vs. Symbol 7 0.1 dB / 20.0 dB
EVM vs. Carrier 8 0.1 dB / 20.0 dB
Preamble Freq Error 14 -5.0 kHz / 5.0 kHz
I/Q Gain Imbalance 15 0.5 dB / 20.0 dB
I/Q Quadrature Skew 16 0.01°(deg)/ 3600.0°(deg)
Unused Tone Error 20 0.1 dB / 20.00 dB
Power vs. Symbol 22 0.1 dB / 20.00 dB
Annotation Upper left corner of trace grid, same grey as grid. (see Display under Mode Overview)
Ref Position
Positions the reference level at the top, center, or bottom of the Y Scale display.
Changing the reference position does not change the reference level value.
Remote
Command
:DISPlay:EVM:WINDow3|4|5|7|8|14|15|16|20:TRACe:Y[:SCALe]:RPOSition TOP |
CENTer | BOTTom
:DISPlay:EVM:WINDow3|4|5|7|8|14|15|16|20:TRACe:Y[:SCALe]:RPOSition?
The applicable windows are numbered as follows:
WLAN Mode User's &Programmer's Reference 890