R&S NRP
Data acquisition and parameters (Sensor menu)
1144.1400.12 4.11
E-2
Measuring the average burst power
The Burst Average mode is the simplest method of measuring the average burst power. It is available
with sensors from the R&S NRP-Z1x and R&S NRP-Z2x series.
When this mode is selected, the sensor itself detects the start and end of the burst; no external trigger
signal is required. The parameter Dropout Tolerance and the trigger parameters Holdoff and Hysteresis
are ways of providing stable triggering. Using the parameters Exclude from Start and Exclude from End,
the starts and ends of bursts can be excluded from the measurement. This means that signal over-
shoots can be omitted from measurements, for example.
Mode dialog box
:
Cont Av,
Burst…
–
( )
ä
↔
ä
Fig. 4-12
Mode dialog box, Burst mode
Prevents brief power drops due to modulation from being misinter-
preted as the end of a burst.
Remote Control
[SENSe[1..4]][:POWer]:BURSt:DTOLerance[?] <float_value>
Dropout Tolerance –
( )
ä
ä
Caution
The Dropout Tolerance must be less than the no-power
interval between the end and start of a burst.
Excluded from End –
( )
ä
This time interval at the end of the burst is excluded from the meas-
urement.
Remote Control
[SENSe[1..4]]:TIMing:EXCLude:STOP[?] <float_value>
… from Start
–
( )
ä
This time interval at the start of the burst is excluded from the meas-
urement.
Remote Control
[SENSe[1..4]]:TIMing:EXCLude:STARt[?] <float_value>
Tip
For the most common mobile radio standards, the specified parame-
ters can easily be loaded via the "Recall Standard" dialog box in the
File menu.
Mode : Burst Av
