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In DC-DC circuit design, ripple is an important reference indicator. Larger ripple will directly affect the normal operation of the circuit. Wrong testing methods will cause high-frequency noise with large amplitude to appear in the oscilloscope, while correct testing methods can greatly improve the results of ripple testing. Summary of content: How to judge the quality of a power circuit, how to measure ripple correctly, and use the Himalaya series MAX17503 development board for testing
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