User Manual

The Spectrum Application (RF Measurements)
R&S
®
FPL1000
344User Manual 1178.3370.02 ─ 03
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.
7. Select the "Time Domain Power" measurement function from the "Select Measure-
ment" dialog box.
8. In the Time Domain Power configuration dialog box, set all four results to "On" .
9. Set the "Limit State" to "On" .
10. Define the left limit at 326
μ
s and the right limit at 538
μ
s.
This range corresponds to the useful part of the GSM burst.
The mean power of the useful part of the GSM burst is calculated to be -13 dBm.
7.2.9 Harmonic Distortion Measurement
The "Harmonic Distortion" measurement measures harmonics and their distortion,
including the total harmonic distortion.
About the Measurement........................................................................................345
Harmonic Distortion Basics...................................................................................345
Harmonic Distortion Results..................................................................................347
Harmonic Distortion Configuration........................................................................ 348
How to Determine the Harmonic Distortion...........................................................350
Measurements and Results