Instrument Function
R&S
®
SMU200A
381Operating Manual 1007.9845.32 ─ 15
The buttons in the lower part of the menu open submenus for setting triggers and clocks,
for configuring the test signal and for calculating a multi segment waveform or a multi
carrier waveform.
ARB MOD Main Menu
The upper part of the menu is used for powering up, selecting and configuring ARB mod-
ulation.
The lower part of the menu is used for setting triggers and clocks, as well as for file
management. Test signals can be output for test purposes.
Multi Segment Waveform Options
The section "Multi Segment Waveform Options" of the menu is only displayed if a multi
segment waveform is loaded.
The section comprises the settings necessary to adjust the trigger for the switch between
the segments of a multi segment waveform. The parameters displayed depend on the
selected trigger source.
The parameters in this sections are identical with the parameters in the section "Next
Segment Trigger In" in the "Trigger/Marker" dialog; for detailed information see chap-
ter 5.8.4.1.2.2, "Next Segment Trigger In", on page 389.
State (ARB)
Enables/disables ARB modulation.
Switching on this standard turns off all the other digital standards and digital modulation
types.
In case of two-path instruments, this affects the same path.
The output is based on the waveform file that is loaded. The name of the waveform file
is displayed next to "Load Waveform".
If a multi segment waveform is loaded the section "Multi Segment Waveform Options" is
indicated. In this section, the segment to be output is selected.
If no waveform file is loaded, ARB modulation cannot be powered up. "None" will be
displayed next to "Load Waveform". An error message asks the user to load a waveform
file:
"No waveform file loaded. ARB MOD state remains off. Please select a waveform file to
load, before switching ARB MOD state on."
SCPI command:
[:SOURce<hw>]:BB:ARB:STATe on page 581
Baseband Signal - Baseband Block
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