Testing and Characterizing Power Supplies with Oscilloscope

Application Notes

The Keysight Technologies, Inc. InfiniiVision 3000, 4000 and 6000 X- Series oscilloscopes with the Power Measurements option provide various automatic power supply characterization measurements that can help accelerate your ability to optimize the quality and efficiency of your power supply designs.

Today’s power supply designers are facing an increasing number of constraints in the development of high efficiency, low-cost power supplies. Cost-effective solutions used to be the designer’s key target. Today, rising energy costs bring power supply efficiency to the forefront. Additionally, other constraints such as design compactness, migration to digital control, tighter voltage tolerances, and industry compliance regulations for power quality, current harmonics, and EMI force the need for quick and thorough power supply testing. Increasing design constraints translate into more time dedicated to power device measurement and analysis for today’s power supply designers. 


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