Emerson R&S SGT100A User Manual page 272

®
R&S SGT100A
Wait until the instrument has reached its operating temperature before you start the
adjustment procedure.
The warm-up time is up to 30 minutes.
2. Select "Setup > Internal Adjustment > Adjust All".
The adjustment process starts.
3. Do not interrupt the adjustment process.
The extent of the adjustments depends on the installed options. It can last up to 2
hours.
A progress indicator shows the status of the adjustment process. If errors occur the
process aborts. An error message appears in the "Info" line.
Settings
Adjust
Adjust I/Q Modulator at Current
Synthesis.....................................................................................................................272
Level............................................................................................................................272
I/Q Modulator.............................................................................................................. 273
Adjust All
Starts all internal adjustments for which no external measuring equipment is needed.
The adjustments with external measuring equipment are described in the service man-
ual.
Remote command:
:CALibration:ALL[:MEASure]?
Adjust I/Q Modulator at Current Frequency
Starts the adjustment for the I/Q modulator for the currently set frequency. The I/Q
modulator is adjusted regarding carrier leakage, I/Q imbalance and quadrature.
The adjustment is only possible when "RF > On" and "I/Q Mod > State > On".
Adjustment for only the set frequency is considerably faster than adjustment across the
entire frequency range. An adjustment of the entire range is possible with the
ulator
Remote command:
:CALibration:IQModulator:LOCal?
Synthesis
Performs all adjustments which affect the frequency.
Remote command:
:CALibration:FREQuency[:MEASure]?
Level
Performs all adjustments which affect the level. The acquired correction values
improve the settling time and the signal quality.
User Manual 1176.8674.02 ─ 12
All..................................................................................................................... 272
└ I/Q Modulator................................................................................................ 273
└ Baseband......................................................................................................273
button of this dialog.
General instrument settings and instrument setup
Frequency................................................................ 272
on page 355
on page 356
on page 355
Internal adjustments
I/Q Mod-
272