Configuring the Internal Baseband Source
R&S
®
SMBV100B
213User Manual 1178.4460.02 ─ 03
Segment
Selects the waveform segment to be output after the segment indicated as "Current
Segment". This parameter determines the start segment when switching on the ARB
and enables switching over to any other segment.
The following events cause a switch over:
●
An external next segment trigger event
●
An internal segment trigger, that is a change in the segment index in the "Segment"
field
Use the parameter Next Segment Mode to define whether the new segment is gener-
ated immediately or only after the previous segment has been fully generated (wrap
around). The subsequent trigger event after the last segment causes the first segment
to be output again.
For more information, see Chapter 3.7.2.5, "Impact of the Trigger Settings and Next
Segment Settings", on page 196.
Remote command:
[:SOURce<hw>]:BB:ARBitrary:WSEGment:NEXT on page 754
Next Segment Mode
Defines the way the switch over between the segments in a multi-segment wave-
form is executed.
The regular trigger mode for starting the waveform generation and triggering the
whole multi-segment sequence is set with the parameters in the "ARB > Trigger" tab.
The segment currently being output is displayed at "Current Segment". The "Trigger
Example" graph displays schematically the waveform output, depending on the activa-
ted trigger and the next segment settings.
For background information, refer to Chapter 3.7.2.5, "Impact of the Trigger Settings
and Next Segment Settings", on page 196.
For detailed information on how the regular trigger signal affects the multi-segment
waveform processing in combination with the different values for "Next Segment
Mode", refer to Chapter 3.7.5, "Reference to Triggering of Multi-Segment Waveforms",
on page 220.
Note: The seamless switch over and the sequencer mode require segments with equal
sample rate.
"Same Segment"
The processing of the multi-segment waveform file is similar to the
processing of a non-multi segment waveform, i.e. there is no switch-
ing to consecutive segment upon the receiving of a trigger event.
To trigger switching between the segments, change the segment
index in the "Segment" field.
"Next Segment"
The current segment ceases to be output when a trigger event for a
new segment occurs, and the new segment starts to be output after a
system-imposed signal gap.
Generating Multi-Segment Waveform Files
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