R&S FSW Series, Руководство пользователя

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Remote Commands
R&S
®
FSW
1051 User Manual 1173.9411.02 ─ 43
Parameters:
<Period> Range: 0 s to 10 s
*RST: 0 s
Default unit: S
Example: TRIG:SOUR EXT
Sets an external trigger source.
TRIG:IFP:HOLD 200 ns
Sets the holding time to 200 ns.
Manual operation: See "Trigger Holdoff" on page 486
TRIGger[:SEQuence]:IFPower:HYSTeresis <Hysteresis>
This command defines the trigger hysteresis, which is only available for "IF Power" trig-
ger sources.
Parameters:
<Hysteresis> Range: 3 dB to 50 dB
*RST: 3 dB
Default unit: DB
Example: TRIG:SOUR IFP
Sets the IF power trigger source.
TRIG:IFP:HYST 10DB
Sets the hysteresis limit value.
Manual operation: See "Hysteresis" on page 485
TRIGger[:SEQuence]:LEVel[:EXTernal<port>] <TriggerLevel>
This command defines the level the external signal must exceed to cause a trigger
event.
Note that the variable "Input/Output" connectors (ports 2+3) must be set for use as
input using the
OUTPut<up>:TRIGger<tp>:DIRection
command.
Suffix:
<port>
.
Selects the trigger port.
1 = trigger port 1 (TRIGGER INPUT connector on front panel)
2 = trigger port 2 (TRIGGER INPUT/OUTPUT connector on front
panel)
(Not available for R&S
FSW85 models with two RF input con-
nectors.)
3 = trigger port 3 (TRIGGER3 INPUT/OUTPUT connector on
rear panel)
Parameters:
<TriggerLevel> Range: 0.5 V to 3.5 V
*RST: 1.4 V
Default unit: V
Example: TRIG:LEV 2V
Manual operation: See "Trigger Level" on page 484
Setting Basic Measurement Parameters