R&S ESR Series, User Manual

Page: 473 / 1126

I/Q Analyzer
R&S
®
ESR
470 User Manual 1175.7068.02 ─ 12
Repetition Interval ....................................................................................................... 473
Trigger Hysteresis ....................................................................................................... 473
Trigger Holdoff .............................................................................................................473
Trg/Gate Source
Opens the "Trigger/Gate Source" dialog box to select the trigger/gate mode.
As gate modes, all modes except "Power Sensor" are available. For details see also
Chapter 6.2.8.3, "Using Gated Sweep Operation" , on page 381.
The default setting is "Free Run". If a trigger mode other than "Free Run" has been set,
the enhancement label "TRG" is displayed and the trigger source is indicated.
Note: When triggering or gating is activated, the squelch funciton is automatically dis-
abled (see "Squelch" on page 421).
Remote command:
TRIGger<n>[:SEQuence]:SOURce
on page 839
[SENSe:]SWEep:EGATe:SOURce
on page 842
Free Run ← Trg/Gate Source
The start of a sweep is not triggered. Once a measurement is completed, another is
started immediately.
Remote command:
TRIG:SOUR IMM
, see
TRIGger<n>[:SEQuence]:SOURce
on page 839
External ← Trg/Gate Source
Defines triggering via a TTL signal at the "EXT TRIG/GATE IN" input connector on the
rear panel.
Remote command:
TRIG:SOUR EXT
, see
TRIGger<n>[:SEQuence]:SOURce
on page 839
SWE:EGAT:SOUR EXT
for gated triggering, see
[SENSe:]SWEep:EGATe:SOURce
on page 842
Video ← Trg/Gate Source
Defines triggering by the displayed voltage.
A horizontal trigger line is shown in the diagram. It is used to set the trigger threshold
from 0 % to 100 % of the diagram height.
Video mode is only available in the time domain.
Remote command:
TRIG:SOUR VID
, see
TRIGger<n>[:SEQuence]:SOURce
on page 839
SWE:EGAT:SOUR VID
for gated triggering, see
[SENSe:]SWEep:EGATe:SOURce
on page 842
RF Power ← Trg/Gate Source
Defines triggering of the measurement via signals which are outside the measurement
channel.
Softkeys of the Trigger Menu in I/Q Analyzer Mode