Configuration
R&S
®
FSW-K7
102
User Manual 1173.9240.02 ─ 23
Trigger Offset
Defines the time offset between the trigger event and the start of the sweep.
Offset > 0:
Start of the sweep is delayed
Offset < 0:
Sweep starts earlier (pretrigger)
For the "Time" trigger source, this function is not available.
Remote command:
TRIGger[:SEQuence]:HOLDoff[:TIME]
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.
When using the optional 2
GHz bandwidth extension (R&S
FSW-B2000) with an IF
power trigger, the hysteresis refers to the robust width trigger.
(For details see the R&S
FSW I/Q Analyzer and I/Q Input User Manual.)
Remote command:
TRIGger[:SEQuence]:IFPower:HYSTeresis
Drop-Out Time
Defines the time the input signal must stay below the trigger level before triggering
again.
Note:
For input from the optional Analog Baseband Interface using the baseband
power trigger (BBP), the default drop out time is set to 100
ns. This avoids uninten-
tional trigger events (as no hysteresis can be configured in this case).
When using the optional 2
GHz bandwidth extension (R&S
FSW-B2000) with an IF
power trigger, the drop-out time defines the width of the robust width trigger. By default
it is set to 1
μ
s. For external triggers, no drop-out time is available when using the
B2000 option.
(For details, see the R&S
FSW I/Q Analyzer and I/Q Input User Manual.)
Remote command:
Coupling
If the selected trigger source is "IF Power" or
, you can configure the cou-
pling of the external trigger to the oscilloscope.
This setting is only available if the optional 2
GHz bandwidth extension is active
(See
"DC 50
Ω
"
Direct connection with 50
Ω
termination, passes both DC and AC
components of the trigger signal.
"DC 1 M
Ω
"
Direct connection with 1
M
Ω
termination, passes both DC and AC
components of the trigger signal.
Trigger Configuration
