User Manual

Application examples
3. The PA3000 auto
matically blanks all the results that are lower than ten
percent of the range. Blanking is continuously active and can interfere with
recording the inrush event.
To disable the blanking, go to the Main Menu, go to System Conguration
Blanking Off.
4. Set the averaging to one so that the results a
re not averaged over time. Go
to the Main Menu, go to System Conguration Averaging Channel
Averaging. Set the value in the window to 1.
5. Turn off the Autozero function under the System Conguration menu.
6. To enable Peak Hold, the Maximum and Minimum Hold columns need to be
enabled. Go to the Main Menu and go to Measurement Conguration
Maximum Hold Enabled. Repeat the step for the Minimum Hold.
When enabled, the Maximum and Minimum hold columns will record both
positive and negative cycle peaks.
7. Enable the P eak current measurement parameters in the Measure ments menu.
Select both the Apk+ and Apk- because the peak can b e either positive or
negative.
8. After setting up the PA3000, connect the DUT to the breakout box.
9. The inrush current will be displayed in the Max a nd Min columns on the
Results screen. The PA3000 will hold the maximum sample value for the
positive and the negative cycles.
Figure 59: Min-Max columns for the Inrush current measurement
10. To reset the Max and Min values, press the RESET/CLEAR key.
PA3000 Power Analyzer User Manual 135