Chapter 4
Front-Panel Key and SCPI Command Reference
Measure
164
Front-Panel Key and SCPI Command
Reference
4.3.9 Modulation Distortion
Allows the user to switch to the Modulation Distortion measurement.
4.3.9.1 SCPI Remote Commands
:CONFigure:MODDist
:INITiate:MODDist
:FETCh:MODDist[n]?
:MEASure:MODDist[n]?
:READ:MODDist[n]?
Mode: MRECEIVE
Key Path:
Measure, More
Remote Command: :CONFigure:MODDist
Notes: This key invokes Modulation Distortion Measurement.
Example: :CONF:MODD
Index: n
<Mnemonic>
Results Returned
0 Returns unprocessed I/Q trace data, as a series of comma-separated trace points, in volts. The I
values are listed first in each pair, using the 0 through even-indexed values. The Q values are the
odd-indexed values.
not specified
or n = 1
Returns comma-separated scalar results, in the following order:
Return Modulation Distortion (dB or % depending on Display Units)
Return Modulation Distortion Ratio(–999.0 in Normal mode; in Ratio mode, dB or % depending on
Ratio Mode setting)
Ratio Reference Distortion (dB or % depending on Display Units)
Return Modulation Sinad(dB)