Bipolar Input; Pp Max; Gain - R&S SGT100A User Manual

®
R&S SGT100A
The termination influences the way an enabled
Remote command:
[:SOURce<hw>]:IQ:OUTPut[:ANALog]:ENVelope:TERMination
Bipolar Input ← DC Modulator characteristics
If the
nal.
The envelope signal E swings above and below the inverted envelope signal E BAR;
the R&S SGT calculates and applies a suitable envelope
ure 7-12.
Figure 7-12: Effect of a "Bipolar Input > On"
This parameter influences the lower limit of the supply voltage V
The generated signal is conform with the MIPI
Analog Reference Interface for Envelope Tracking".
Remote command:
[:SOURce<hw>]:IQ:OUTPut[:ANALog]:ENVelope:BINPut
V Max ← DC Modulator characteristics
pp
Sets the maximum value of the peak-to-peak driving voltage V
DC modulator.
The V
●
The value range of the supply voltage
V
●
In
V
V
signal and the inverted envelope signal.
Remote command:
[:SOURce<hw>]:IQ:OUTPut[:ANALog]:ENVelope:VPP[:MAX]
Gain ← DC Modulator characteristics
Sets the gain of the used external DC modulator.
Remote command:
[:SOURce<hw>]:IQ:OUTPut[:ANALog]:ENVelope:GAIN
User Manual 1176.8674.02 ─ 07
"I/Q Output Type > Differential", enables the instrument to generate a bipolar sig-
limits:
pp
≥ V
Max
pp CC
I/Q Output Type > Differential, the voltage of the generated envelope signal
Min/Max as follows:
out
≥ V
Max[E] - V Max[E BAR], where [E] and [E BAR] refer to the envelope
pp out out
Signal Generator Settings
Generation of Envelope Tracking Signals
Bias is applied.
Offset automatically, see
cc
®
Alliance specification "Specification for
of the used external
pp
V Min/Max
cc
on page 439
on page 438
Fig-
.
on page 439
on page 437
163