268 Agilent X-Series Signal Generators SCPI Command Reference
Arb Commands
Dmodulation Subsystem–N5172B/82B with Option 431 ([:SOURce]:RADio:DMODulation:ARB)
• Selecting the trigger source (see “:TRIGger[:SOURce]” on page 269), which determines how the
X- Series signal generator receives its trigger signal, internally or externally. The GATE choice
requires an external trigger.
• Setting the trigger polarity when using an external source:
— CONTinuous and SINGle see “:TRIGger[:SOURce]:EXTernal:SLOPe” on page 271
—GATE, see “:TRIGger:TYPE:GATE” on page 269
For more information on triggering, see the User’s Guide.
The following list describes the trigger type command choices:
CONTinuous Upon triggering, the waveform repeats continuously.
SINGle Upon triggering, the waveform segment or sequence plays once.
GATE An external trigger signal repeatedly starts and stops the waveform’s playback
(transmission). The time duration for playback depends on the duty period of the
trigger signal and the gate polarity selection (see “:TRIGger:TYPE:GATE” on
page 269). The waveform plays during the inactive state and stops during the
active polarity selection state. The active state can be set high or low. The gate
mode works only with an external trigger source.
NOTE The ARB gating behavior described above is opposite to the gating behavior for real–time
custom mode.
*RST CONT
:TRIGger:TYPE:CONTinuous[:TYPE]
Supported N5172B/82B with Option 431
[:SOURce]:RADio:DMODulation:ARB:TRIGger:TYPE:CONTinuous[:TYPE] FREE|
TRIGger|RESet
[:SOURce]:RADio:DMODulation:ARB:TRIGger:TYPE:CONTinuous[:TYPE]?
This commands selects the waveform’s response to a trigger signal while using the continuous trigger
mode.
For more information on triggering and to select the continuous trigger mode, see “:TRIGger:TYPE” on
page 267.
The following list describes the waveform’s response to each of the command choices:
FREE Turning the ARB format on immediately triggers the waveform. The waveform
repeats until you turn the format off, select another trigger, or choose another
waveform file.
TRIGger The waveform waits for a trigger before play begins. When the waveform receives
the trigger, it plays continuously until you turn the format off, select another
trigger, or choose another waveform file.
RESet The waveform waits for a trigger before play begins. When the waveform receives
the trigger, it plays continuously. Subsequent triggers reset the waveform to the
Key Entry Continuous Single Gated
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