Configuration
R&S
®
FSWP
57User Manual 1177.5856.02 ─ 07
Repetition Interval
Defines the repetition interval for a time trigger. The shortest interval is 2 ms.
The repetition interval should be set to the exact pulse period, burst length, frame
length or other repetitive signal characteristic.
Remote command:
TRIGger[:SEQuence]:TIME:RINTerval on page 124
Trigger Offset
Defines the time offset between the trigger event and the start of the measurement.
Offset > 0: Start of the measurement is delayed
Offset < 0: Measurement starts earlier (pretrigger)
Only possible for zero span (e.g. I/Q Analyzer application) and gated trigger switched off
Maximum allowed range limited by the measurement time:
Pretrigger
max
= measurement time
max
Tip:
To determine the trigger point in the sample (for "External" or "IF Power" trigger
source), use the TRACe:IQ:TPISample? command.
Remote command:
TRIGger[:SEQuence]:HOLDoff[:TIME] on page 120
Hysteresis
Defines the distance in dB to the trigger level that the trigger source must exceed
before a trigger event occurs. Setting a hysteresis avoids unwanted trigger events
caused by noise oscillation around the trigger level.
This setting is only available for "IF Power" trigger sources. The range of the value is
between 3 dB and 50 dB with a step width of 1 dB.
Remote command:
TRIGger[:SEQuence]:IFPower:HYSTeresis on page 121
Drop-Out Time
Defines the time the input signal must stay below the trigger level before triggering
again.
Remote command:
TRIGger[:SEQuence]:DTIMe on page 120
Trigger Holdoff
Defines the minimum time (in seconds) that must pass between two trigger events.
Trigger events that occur during the holdoff time are ignored.
Remote command:
TRIGger[:SEQuence]:IFPower:HOLDoff on page 120
Slope
For all trigger sources except time, you can define whether triggering occurs when the
signal rises to the trigger level or falls down to it.
Configuring Triggered Measurements
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