Save/Recall; Am/Am First; Level Reference; Maximum Output Level Error - R&S SGT100A User Manual

®
R&S SGT100A
Parameter
"State"

"Level Reference"

"AM/PM, AM/AM"
Remote command:
[:SOURce<hw>]:IQ:DPD:PRESet

Save/Recall

Accesses the "Save/Recall" dialog, that is the standard instrument function for storing
and recalling the complete dialog-related settings in a file. The provided navigation
possibilities in the dialog are self-explanatory.
The filename and the directory, in which the settings are stored, are user-definable; the
file extension is however predefined.
Remote command:
[:SOURce<hw>]:IQ:DPD:SETTing:CATalog?
[:SOURce<hw>]:IQ:DPD:SETTing:STORe
[:SOURce<hw>]:IQ:DPD:SETTing:LOAD
[:SOURce<hw>]:IQ:DPD:SETTing:DELete

AM/AM First

Toggles the order the AM/AM and AM/PM predistortions are applied.
Remote command:
[:SOURce<hw>]:IQ:DPD:AMFirst
Level Reference
Switches between dynamic and static adaptation of the range the selected DPD is
applied on.
"Before DPD/After DPD"
"Static DPD"
Remote command:
[:SOURce<hw>]:IQ:DPD:LREFerence

Maximum Output Level Error

Sets the allowed maximum error, see
Generated
Remote command:
[:SOURce<hw>]:IQ:DPD:OUTPut:ERRor:MAX
User Manual 1176.8674.02 ─ 07
Selects dynamic range calculation and defines whether the selected
"Level" value corresponds to the signal level before or after the pre-
distortion, see Chapter 7.6.2.1, "Defining the Power Level of the Gen-
erated Signal", on page 180.
Selects static (constant) range limits. To adjust the range, use the
parameter Pre-Gain.
Signal", on page 180.
Signal Generator Settings
Applying Digital Predistortion
Value
Not affected by the "Set to Default"
Before DPD
Off
on page 450
on page 450
on page 451
on page 451
on page 450
on page 451
on page 452
Chapter 7.6.2.1, "Defining the Power Level of the
on page 452
186