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Practical tips to bode-plot measurements

July 20, 2022
When testing the stability of a switched-mode power supply, a Bode plot by an oscilloscope is ideal for checking the critical phase margin and gain margin values. This guide provides practical tips on the equipment, set ups, test runs, and more.

To investigate the stability of a switched-mode power supply, a Bode plot created with an oscilloscope is ideal for checking the critical phase margin and gain margin values. The factors that determine how satisfactory the results from Bode plot measurements will be, need to taken into consideration as part of the preparation. This online guide includes a wealth of practical tips for choosing suitable equipment, setting up measurements, running tests, and interpreting the measurement results.    

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