Predistortion Settings; Maximum Number Of Iteractions; Achieved Output Level Error; Input/Output Pep, Level And Crest Factor - R&S SGT100A User Manual

®
R&S SGT100A

Maximum Number of Iteractions

Sets the maximum number of performed iterations to achieving the required
Output Level
See also
on page 180.
Remote command:
[:SOURce<hw>]:IQ:DPD:OUTPut:ERRor:MAX

Achieved Output Level Error

Displays the resulting level error, see
Generated
Remote command:
[:SOURce<hw>]:IQ:DPD:OUTPut:ERRor?

Input/Output PEP, Level and Crest Factor

Displays the calculated values the before and after the DPD
A value of -1000 indicates that the calculation is impossible or there are no measure-
ments results available.
Remote command:
[:SOURce<hw>]:IQ:DPD:INPut:PEP?
[:SOURce<hw>]:IQ:DPD:INPut:LEVel?
[:SOURce<hw>]:IQ:DPD:INPut:CFACtor?
[:SOURce<hw>]:IQ:DPD:OUTPut:PEP?
[:SOURce<hw>]:IQ:DPD:OUTPut:LEVel?
[:SOURce<hw>]:IQ:DPD:OUTPut:CFACtor?

AM/AM and AM/PM State

Enables/disables the AM/AM and AM/PM digital predistortion.
If both predistortions are enabled simultaneously, the instrument applies the AM/AM
predistortion first and compensates the phase error of the PA afterwards.
Compare the displayed signal processing chain.
Remote command:
[:SOURce<hw>]:IQ:DPD:AMAM:STATe
[:SOURce<hw>]:IQ:DPD:AMPM:STATe
7.6.3.2

Predistortion Settings

To access the "Predistortion Settings"
1. Select "I/Q Mod > Digital Predistortion > AM/AM AM/PM".
2. Select "Digital Predistortion AM/AM, AM/PM > Predistortion Settings".
User Manual 1176.8674.02 ─ 07
Error.
Chapter 7.6.2.1, "Defining the Power Level of the Generated
Signal", on page 180.
Signal Generator Settings
Applying Digital Predistortion
on page 452
Chapter 7.6.2.1, "Defining the Power Level of the
on page 452
on page 453
on page 453
on page 453
on page 453
on page 453
on page 453
on page 451
on page 451
Maximum
Signal",
187