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Patrick G. Andre

Patrick G. André has worked in the EMC field since 1983. His emphasis is on EMC issues specific to the military and aerospace environment, and he works with the RTCA as a member of SC-135 committee. Andre is an iNARTE Certified Engineer and was honored as an iNARTE Certified Master Design Engineer. He is also a senior member of the IEEE EMC Society, the author of several publications, and the coauthor of EMI Troubleshooting Cookbook for Product Designers.

From This Author

Military and Aerospace EMC

Military and Aerospace EMC: High Intensity Radiated Fields (HIRF)

High-Intensity Radiated Fields (HIRF) are powerful man-made electromagnetic emissions that can disrupt aircraft electronics. Researchers from military and aviation agencies have extensively studied these fields to understand their potential risks and develop protective certification standards.
Military and Aerospace EMC

Military and Aerospace EMC: The Currents of EMI

Understanding current flow patterns is crucial in EMC engineering, particularly the distinction between Common Mode and Differential Mode currents. Controlling current paths and providing local return paths helps reduce electromagnetic interference and improve immunity.
Military and Aerospace EMC

Military and Aerospace EMC: Grounds and Returns

Patrick André discusses the misconception of "ground" in electrical engineering. He explains the difference between true ground and power/signal returns, emphasizing the importance of proper return line treatment in circuit design. André highlights how this understanding impacts EMC performance and system design across various applications.
Military and Aerospace EMC

Military and Aerospace EMC: Bandwidths Used in Measurements

The blog discusses various types of bandwidths used in EMC measurements, including receiver bandwidth, resolution bandwidth (RBW), and video bandwidth (VBW). It explains their differences, importance in testing, and challenges in measuring low-amplitude signals at high frequencies.
Military and Aerospace EMC

Military and Aerospace EMC: Why and How We Use LISNs

Uncover the crucial role of LISNs - the unsung heroes ensuring reliable electromagnetic testing in aerospace. This insider look reveals their ingenious design and why standardization matters for replicable results.
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Military and Aerospace EMC

Military and Aerospace EMC: Portable Electronics Onboard Aircraft – Part 2

Committee SC-202, comprised of over 100 members from various industries, was formed to address safety concerns related to the use of transmitting portable electronic devices (T-PEDs) like those with cellular and wireless capabilities on an aircraft.
Military and Aerospace EMC

Military and Aerospace EMC: Portable Electronics Onboard Aircraft – Part 1

Patrick Andre looks at the potential risks of personal electronic devices interfering with aircraft systems and the efforts by industry groups to address this issue.
Military and Aerospace EMC

Military and Aerospace EMC: DO-160

Patrick Andre looks at the history and development of DO-160, “Environmental Conditions and Test Procedures for Airborne Equipment.”
Military and Aerospace EMC

Military and Aerospace EMC: What is the RTCA?

Greetings. I am Patrick André, an independent EMC consultant in the Pacific Northwest. Having...
Uncategorized

Inductors and Ferrites for Use in EMC

Magnetic materials used in inductors and filters have specific functions and purposes. However, knowing which to choose can be confusing.
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