Instrument Function
R&S
®
SMBV100A
326
Operating Manual 1176.8016.02 ─ 17
Phase Offset
Enter the relative phase offset for the baseband signal.
A phase offset rotates each point of an I/Q constellation diagram by the specified
phase offset. The phase offset affects the signal on the "Baseband block" output.
Figure 5-19: Effect of a Phase Offset of 45 degree angle on the I/Q constellation diagram
Observe that the points on the I/Q constellation diagram are turning counterclockwise.
Remote command:
5.9.2 Data and Signal Sources in Baseband
This section describes the common characteristics of the signals used for generating
the baseband signal for all standards, including for example all listed data sources. The
selection in the digital menus at any given time depends on the parameter and stan-
dard concerned and is clear from the selection list offered in the dialog. The external
data sources may therefore not be available in certain cases.
Characteristics which are uniquely specific to particular standards are described in the
corresponding manual.
The following input signals are used when digital modulation signals are being gener-
ated:
●
Modulation data
●
Clock signals
●
Control signals
The input signals can be both internally generated and supplied from an external
source. The internally generated clock signals are output on the CLOCK connectors.
Likewise control signals and also trigger signals for triggering signal generation in the
R&S
SMBV can be internally generated or supplied from an external source.
Two marker output signals for synchronizing external instruments can be user-defined.
Baseband Signal - Baseband Block
