Rohde & Schwarz RTM3K-COM2

Power analysis (option R&S RTM-K31)
R&S
®
RTM3000
343User Manual 1335.9090.02 ─ 09
14 Power analysis (option R&S RTM-K31)
With the R&S RTM3000 and option R&S RTM-K31 you can perform power analysis
measurements.
● Probe adjustment..................................................................................................343
● Report settings......................................................................................................344
● Statistic menu settings.......................................................................................... 345
● Input power measurements...................................................................................346
● Output power measurements................................................................................359
● Switching power measurements........................................................................... 367
● Power path power measurements........................................................................ 375
14.1 Probe adjustment
14.1.1 Deskewing the probes
Some power measurements require a current and a voltage probe. Before you start
one of these measurements, you need to deskew the probes to get correct measure-
ment results. The settings menu of the corresponding measurements contain the
"Probe" function to adjust the probes.
Required equipment:
●
R&S RT-ZF20 power deskew fixture
●
Rohde & Schwarz voltage probe
●
Rohde & Schwarz current probe
1. Connect the differential voltage probe and the current probe to the oscilloscope.
2. Press the Apps Selection key. Tap "Power Analysis".
3. Select a measurement.
4. In the configuration menu, select the correct channels for the "Current" and the
"Voltage" sources.
5. Select the "Probe" menu.
6. Connect the probes to the R&S RT-ZF20 power deskew fixture.
7. "Deskew" the probes and adjust the "Zero Offset".
8. Disconnect the probes from the R&S RT-ZF20 power deskew fixture.
Probe adjustment