How to Measure Ripple Voltage on a Switch-Mode Power Supply | Workbench Wednesdays #51

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Measuring a switch-mode power supply (SMPS) with a DMM might show a stable voltage. But the same DC rail on an oscilloscope can show a completely different story! In this video, learn how to correctly set up an oscilloscope to characterize the noise an SMPS creates in a circuit.

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