8 Trigger
8.5 Periodic Sync Src
8.5 Periodic Sync Src
Contains controls that let you select and configure the sync signal for the Periodic
Timer Trigger.
For convenience controls for adjusting the level and slope of the selected sync
source are provided here. Note that these settings match those in the Trigger and
Gate Source menus; that is, each trigger source has only one value of level and
slope, regardless of which menu it is accessed from.
8.5.1 Select Periodic Timer Sync Source
Selects a signal source for you to synchronize your periodic timer trigger to,
otherwise you are triggering at some arbitrary location in the frame. Synchronization
reduces the precision requirements on the setting of the period.
Note that, with Sync Source OFF, the timing will drift unless the signal source
frequency is locked to the instrument frequency reference.
Remote Command
:TRIGger[:SEQuence]:FRAMe:SYNC EXTernal1 | EXTernal2 | RFBurst | PXI |
INTernal | OFF
:TRIGger[:SEQuence]:FRAMe:SYNC?
Example
:TRIG:FRAM:SYNC EXT1
:TRIG:FRAM:SYNC EXT2
:TRIG:FRAM:SYNC RFB
:TRIG:FRAM:SYNC OFF
Dependencies PXI and INTernal triggers are only found in modular analyzers such as VXT
Not available in E7760 or UXM
In some models, there is no second External input. In these models, the External 2 selection is not
shown, and the EXTernal2 parameter generates a “Hardware missing; Not available for this model
number” message
Preset
OFF
GSM/EDGE, LTE, LTETDD, 5G NR: RFBurst
State Saved Saved in instrument state
Backwards
Compatibility SCPI
:TRIGger[:SEQuence]:FRAMe:SYNC EXTernal
For backwards-compatibility, the parameter EXTernal is mapped to EXTernal1
Short Range Comms & IoT Mode User's &Programmer's Reference 2380
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