Improving level performance
R&S
®
SMA100B
275User Manual 1178.3834.02 ─ 09
5. Select the "Gate Mode" tab.
The "Gate Mode" tab contains the parameters for defining the time gates for the
measurement.
Almost all R&S NRP sensors also support time gated measurements of peak and aver-
age power (see the data sheet or operating manual of the respective sensor). Two
user-configurable gates can be assigned to one of the traces. Both gates are active at
the same time. The values are calculated from the trace data, the time resolution is
determined by the resolution of the sensor. An external trigger signal or signal trigger-
ing is required for synchronization.
The start and stop time of the gates are indicated as gate markers, a bar between the
start and stop marker shows the gate length. The indication state of the gate borders
and measurement values is only available for certain diagram views which are
switched with the "Next Window List" key. The "Next Window List" dialog provides a
selection of views, between which is toggled (see "Next window list" on page 276 ).
Trace - Gate
Selects the trace of the sensor assigned for the gate measurement. Both gates are
assigned to the same trace.
To assign the sensor to a trace, use the trace buttons, see Off / NRP-Zxx.
Remote command:
:CALCulate[:POWer]:SWEep:TIME:GATE<ch>:FEED on page 498
Indication
Indicates the type of power sensor assigned to the selected trace. This field is auto-
matically updated if the sensor is connected or disconnected. Also, this sensor is indi-
cated on the trace button in the measurement diagram.
Using power sensors
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