R&S ESU
Instrument Functions
Analyzer Mode
4.126
Operating Manual 1302.6163.12 - 03
The length of the gate signal defines when the sweep is to be interrupted. Here a dif-
ferentiation is made between edge-triggered and level-triggered modes: in case of
edge triggering the gate length can be set via the
GATE LENGTH
softkey, while in
case of level triggering the gate length depends on the length of the gate signal.
Fig. 4.5 Timing diagram for GATE, GATE DELAY and GATE LENGTH
This softkey requires the
EXTERN
or
IF POWER
trigger mode. If a different mode is
active, IF POWER is automatically selected.
Gated-sweep operation is also possible in the time domain. This enables - e.g. in
burst signals - level variations of individual slots to be displayed versus time.
To indicate that a gate is used for the sweep, the enhancement label
GAT
is dis-
played on the screen. This label appears to the right of the window for which the
gate is configured.
Remote command:
SWE:EGAT ON
SWE:EGAT:SOUR IFP
or:
SWE:EGAT:SOUR EXT
GATE
SETTINGS
The
GATE SETTINGS
softkey calls a submenu for making all the settings required
for gated-sweep operation.
At the same time, a transition is made to the time domain (span = 0) and the time
parameters
GATE DELAY
and
GATE LENGTH
are represented as vertical lines.
This allows the required gate time parameters to be set easily.
For highly accurate setting of gate delay and gate length, the x-axis can be altered
using the
SWEEPTIME
softkey in a way that the signal range concerned (e.g. one
full burst) is displayed.
Then the sampling time and duration can be set by
GATE DELAY
and
GATE
LENGTH
in a way that the desired portion of the signal is shown.
RF
Ext. Gate
Meas. active
Gate Mode LEVEL
Gate Mode EDGE
Delay
Length
Delay
Содержание ESU Series
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Страница 405: ...R S ESU Instrument Functions User Port 4 374 Operating Manual 1302 6163 12 03...
Страница 439: ...R S ESU Remote Control Basics Status Reporting System 5 34 Operating Manual 1302 6163 12 03...
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