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11.2 Ripple
Power ripple is an important parameter for evaluating DC power supply, which
indicates the ripple quantity of the output DC voltage. The ripple analysis can
measure the current value, average value, minimum value, maximum value, standard
deviation, and count value of the ripples on the power output terminal.
NOTE
The 1X probe is recommended for the ripple measurement. For example, PVP2150 or PVP2350.
• Select the Analysis Type
In the power analysis setting menu, press
Analysis Type and rotate the
multifunction knob to select "Ripple", and then press down the knob to select
it. You can also press Analysis Type continuously or enable the touch screen to
select the desired analysis type.
• Set the Ripple Analysis Source
Press Source, and rotate the multifunction knob to select the ripple analysis
source (CH1-CH4), then press down the knob to select the source. You can also
press
Source continuously or enable the touch screen to select it.
• Set Count
Press Count, then rotate the multifunction knob or use the numeric keypad
to set the number of statistical times for ripple analysis. Its range is from 2 to
5000. By default, it is 1000.
• Reset
Press Reset Stat. to clear the current data and execute statistics on the
measurement results again.
• Open or Close the Results Display Window
Press Display continuously to enable or disable the display of the results. When
enabled, the statistical results will be displayed on the screen, as shown in the
figure below. You can also enable the touch screen to tap the icon at the
right-upper corner of the statistical results window to close it.
• View the Connection Diagram
Press
Tips, and then the connection diagram of the Ripple analysis is displayed
on the screen. Please connect the cables according the connection method as
Power Analysis (Option)
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