The Spectrum Application (RF Measurements)
R&S
®
FPL1000
230
User Manual 1178.3370.02 ─ 09
To measure the power in the time domain
1. Select the [MEAS] key.
2. From the "Select Measurement" dialog box, select the "Time Domain Power" mea-
surement function.
3. Select the type of power measurement results to be determined by selecting the
corresponding softkeys.
4. To restrict the power evaluation range, define limits:
a) Select the "Time Dom Power Config" softkey to display the "Time Domain
Power" configuration dialog box.
b) Switch on the limits by setting the "Limit State" to "On".
The limit lines S1 and S2 are displayed.
c) Define the left limit (limit line S1), the right limit (S2), or both.
5. Start a sweep.
The measured powers are displayed in the marker results.
7.2.10.6
Measurement Example
This measurement example demonstrates the time domain power calculation for a
GSM burst.
Test setup:
Signal generator settings (e.g. R&S SMW):
Frequency:
1.8 GHz
Level:
-10 dBm
Modulation:
GSM/EDGE
Procedure:
1. Preset the R&S
FPL1000.
2. Set the center frequency to
1.8 GHz
.
3. Set the RBW to
100 kHz
.
4. Set the sweep time to
640
μ
s
.
5. Set the trigger source to "IF Power".
6. Define a trigger offset of
-50
μ
s
.
Measurements and Results
