Power analysis (option R&S
RTA-K31)
R&S
®
RTA4000
374
User Manual 1335.7898.02 ─ 08
● Connect the negative (-) signal socket of the differential probe to the source of
the transistor.
● Connect the current probe to the source of the transistor.
10. Close the "Power Analysis".
11. Press the "Menu" button and scroll to the "Power" menu.
12. Select the correct channels for the "Current" and the "Voltage" sources.
13. Press the Autoset button to adjust the display scales automatically or adjust them
manually.
On the screen, you can see the measurement waveforms of the current and the
voltage. Also, the numeric measurement results are shown in the lower right cor-
ner. For details, see
Chapter 14.6.3.1, "Dynamic on resistance results"
14.6.3.3
Dynamic on resistance settings
Required probes:
●
Differential voltage probe
●
Current probe
► To open the "Dynamic On Res." settings menu:
a) Press the Apps Selection key. Tap "Power Analysis".
b) In the "Switching" tab, select "Dynamic On Res.".
Figure 14-10: Setup of dynamic on resistance analysis
c) Close the "Power Analysis".
d) Tap the menu icon in the lower right corner of the screen.
Switching power measurements