Online EMC Courses & Consulting

LearnEMC helps companies build the in-house expertise they need to ensure their products will meet electromagnetic compatibility requirements. This is accomplished through EMC short courses and/or working directly with a company’s engineers to design a product guaranteed to meet all EMC requirements. 

Short courses cover EMC topics ranging from fundamentals to advanced design and modeling techniques. Any of the courses listed on the LearnEMC website can be scheduled as an online course for your employees. Open-enrollment courses for individuals are scheduled periodically throughout the year. To learn more, contact us at This email address is being protected from spambots. You need JavaScript enabled to view it..

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EMC Question
of the Week

The voltage waveform on the switch node of a buck converter exhibits ringing. The ringing on the low-to-high transition is different from the ringing on the high-to-low transition as indicated in the figure. What is the primary source of the ringing on the low-to-high transition?

  1. load capacitance
  2. load inductance
  3. mismatched load
  4. reverse-recovery current

Answer to this week's question

Answer to last week's question

Low-to-High and High-to-Low waveforms on a switch node of a buck converter
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