R&S SGT100A, Руководство пользователя

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Signal Generator Settings
R&S
®
SGT100A
162 User Manual 1176.8674.02 ─ 07
Remote command:
[:SOURce<hw>]:IQ:OUTPut[:ANALog]:ENVelope:OFFSet
on page 437
DC Modulator characteristics
Refer to the product documentation of the external DC modulator for information on its
characteristics.
The following settings are required:
EMF ← DC Modulator characteristics
Defines whether the EMF or the voltage value is displayed.
An EMF-based calculation assumes an open-end circuit. Disable this parameter for
testing in more realistic conditions, where you define the input impedance of the used
external DC modulator
R
in
and the instrument calculates the envelope output voltage
V
out
Min/Max based on it.
Remote command:
[:SOURce<hw>]:IQ:OUTPut[:ANALog]:ENVelope:EMF[:STATe]
on page 438
R
in
← DC Modulator characteristics
With disabled parameter EMF , sets the input impedance R
in
of the used external DC
modulator.
Remote command:
[:SOURce<hw>]:IQ:OUTPut[:ANALog]:ENVelope:RIN
on page 438
Termination ← DC Modulator characteristics
If the " I/Q Output Type > Differential", defines the way the inputs of the DC modulator
are terminated.
"To Ground" "Wire to Wire"
*
)
Bias = 0 and Offset = 0 *
)
Bias = 0 and Offset = 0
Both inputs of the DC modulator are terminated to
ground. This termination is also referred as a common mode
voltage.
Generation of Envelope Tracking Signals