Electromagnetic Interference
May 1, 2024
3 minute read
Electromagnetic Interference (EMI) is a phenomenon that occurs when an electrical or electronic system produces electromagnetic energy that affects the operation of another electrical or electronic system. This interference can manifest in various forms, such as noise, data corruption, or equipment malfunction. Understanding EMI is crucial for designing and operating electronic devices and systems that are immune to interference and do not interfere with other devices.
Sources of Electromagnetic Interference
EMI can originate from various sources, including electrical motors, transformers, switching circuits, and radio transmitters. These sources generate electromagnetic fields that can couple with other devices through conduction, radiation, or induction. The strength of the interference depends on factors such as the frequency of the electromagnetic energy, the distance between the source and the affected system, and the susceptibility of the affected system to interference.
Effects of Electromagnetic Interference
EMI can have detrimental effects on electronic devices and systems. It can cause noise in audio and video signals, corrupt data in computer systems, and disrupt the operation of medical equipment. In severe cases, EMI can even lead to equipment damage or safety hazards.
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Reading list
We've selected eight books
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learning. Use these to
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deeper understanding of the topics covered in
Electromagnetic Interference.
Classic in the field of electromagnetic compatibility and is considered one of the most comprehensive and authoritative references on the subject. It covers a wide range of topics, from basic concepts to advanced design techniques.
Focuses on the measurement and analysis of electromagnetic interference. It provides a practical guide to the techniques and equipment used to measure and characterize EMI.
Focuses on electromagnetic compatibility in the context of power electronics. It provides a detailed discussion of the sources of EMI in power electronics systems and the techniques used to mitigate it.
Practical guide to electromagnetic compatibility in medical equipment. It provides a step-by-step approach to designing medical devices that meet EMC requirements and is an excellent resource for engineers and technicians who need a hands-on guide to EMI in medical devices.
More introductory-level textbook on electromagnetic compatibility. It provides a clear and concise overview of the subject and is an excellent choice for students or professionals who are new to the field.
Practical guide to electromagnetic compatibility. It provides a step-by-step approach to designing products that meet EMC requirements and is an excellent resource for engineers and technicians who need a hands-on guide to EMI.
Is an introduction to electromagnetism and electromagnetic compatibility in French. It provides a clear and concise overview of the subject and is an excellent choice for students or professionals who are new to the field.
Quick and easy-to-understand guide to electromagnetic compatibility for product designers. It provides a concise overview of the key EMC technologies and how to use them to design products that meet EMC requirements.
For more information about how these books relate to this course, visit:
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