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Bogdan Adamczyk

Dr. Bogdan Adamczyk is professor and director of the EMC Center at Grand Valley State University (http://www.gvsu.edu/emccenter) where he performs EMC educational research and regularly teaches EM/EMC courses and EMC certificate courses for industry. He is an iNARTE-certified EMC Master Design Engineer. He is the author of two textbooks, “Foundations of Electromagnetic Compatibility with Practical Applications” (Wiley, 2017) and “Principles of Electromagnetic Compatibility: Laboratory Exercises and Lectures” (Wiley, 2024). He has been writing “EMC Concepts Explained” since January 2017.

From This Author

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Evaluation of EMC Emissions and Ground Techniques on 1- and 2-layer PCBs with Power Converters

This is the second in a series of articles devoted to the design, test, and EMC emissions evaluation of 1- and 2-layer PCBs that contain AC/DC and/or DC/DC converters and employ different ground techniques.
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Evaluation of EMC Emissions and Ground Techniques on 1- and 2-layer PCBs with Power Converters

This is the first of a series of articles devoted to the design, test, and EMC emissions evaluation of 1- and 2-layer PCBs that contain AC/DC and/or DC/DC converters and employ different ground techniques.
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EM Waves, Voltage, and Current Waves

This article presents a concept of a wave together with the wave equations and their solutions.
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EMC Resonance Part II: Decoupling Capacitors

Resonance phenomenon is explained using several common decoupling capacitor configurations.
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EMC Resonance Part I: Non-Ideal Passive Components

The fundamental circuit background is presented and illustrated by the resonance phenomenon in the non-ideal models of passive circuit components: capacitors, ferrite beads, resistors, and inductors.
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Transmission Line Reflections at the RL and RC Loads

This article discusses the reflections on a transmission line terminated with either an RL or an RC load.
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PCB Return-Current Distribution in the Stripline Configurations

This article discusses the current distribution for the stripline configurations.
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PCB Return-Current Distribution in a Microstrip Line

This article discusses the distribution of a PCB return current underneath top trace for the microstrip configuration. Next month’s article will discuss the distribution for the stripline configurations.
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Measuring Differential- and Common-Mode Current Radiation from Cables

This article discusses the common-mode and differential-mode radiation from cables and presents the measurement results from the SMPS connecting wires.
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Principles of Switched-Mode Power Supply Design for EMC Performance

This article discusses the basics of a step-down (buck) DC Switched-Mode Power Supply (SMPS). It should serve at an entry-level tutorial and a building step towards the more advanced designs.
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