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SIGLENT
SDS2000X User Manual 185
Slew Rate
The slew rate analysis measures the rate of the voltage or current change during
switching.
1. Press the Utility button on the front panel to enter the UTILITY function menu.
2. Press the Next Page softkey to enter the second page of the UTILITY function menu.
3. Press the Power Analyze softkey to enter the ANALYSIS function menu.
4. Press the Analysis softkey, and then turn the universal knob to select Slew Rate and
press down the knob to confirm.
Figure 115: Slew Rate ANALYSIS Function Menu
5. Connect the probes to the device-under-test and to the oscilloscope as well.
a. Select the proper attenuation ratio for the probes.
b. Connect D+ of the voltage probe to the source of the MOSFET.
c. Connect D- of the voltage probe to the drain of the MOSFET.
d. Connect the current probe to the drain of the MOSFET with the direction of the
arrow pointing towards the current flow.
e. Connect the voltage and current probes to the desired oscilloscope input
channels.
6. Press the Signal softkey to enter the SIGNAL menu.
Figure 116: Slew Rate Signal Menu
7. Press the Voltage and Current softkeys and then turn the universal knob to select the
channels.
8. Make sure the proper probe attenuation factors are set in the oscilloscope for the
voltage and current probes.
9. Press the Auto Setup softkey to automatically set the appropriate time/div and volt/div
for the measurement.
10. Return to the ANALYSIS function menu.
11. Press the Source softkey to select either Voltage or Current as the source for the slew
rate analysis.
12. Press the Apply softkey to perform the analysis. When the analysis has completed,
results are displayed.
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