3 WLAN Mode
3.6 Modulation Analysis Measurement
Remote
Command
:DISPlay:EVM:WINDow3|4|5|7|8|14|15|16|20:TRACe:Y[:SCALe]:COUPle 0 | 1 | OFF |
ON
:DISPlay:EVM:WINDow3|4|5|7|8|14|15|16|20:TRACe:Y[:SCALe]:COUPle?
The applicable windows are numbered as follows:
:Window :Number
:Magnitude Error :3
:Phase Error :4
:EVM vs. Chips :5
:EVM vs. Symbol :7
:EVM vs. Carrier :8
:Preamble Freq Error :14
:I/Q Gain Imbalance :15
:I/Q Quadrature Skew :16
:Unused Tone Error :20
:Power vs. Symbol :22
Example
:DISP:EVM:WIND3:TRAC:Y:COUP OFF
:DISP:EVM:WIND3:TRAC:Y:COUP?
Notes When this parameter is set to On, pressing the front-panel Restart key activates the scale coupling
function, that automatically determines scale per division and reference values based on the
measurement results. When you set a value to either Scale/Div or Ref Value manually, Auto Scaling is
automatically set to Off
Preset The preset values for different windows are defined as follows:
Window Number Preset
Magnitude Error 3 ON
Phase Error 4 ON
EVM vs. Chips 5 ON
EVM vs. Symbol 7 OFF
EVM vs. Carrier 8 OFF
Preamble Freq Error 14 ON
I/Q Gain Imbalance 15 ON
I/Q Quadrature Skew 16 ON
Unused Tone Error 20 OFF
Power vs. Symbol 22 OFF
State Saved Saved in instrument state
Range On|Off
WLAN Mode User's &Programmer's Reference 892
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