EMC/EMI

EMC Bench Notes: Pre-Compliance Testing for Radiated Emissions, Part 2 – Making the Measurement

In Compliance Magazine -

Ken Wyatt provides an overview of radiated emissions pre-compliance testing. He covers equipment setup, field strength calculations, and strategies for managing ambient interference. The guide aims to enhance EMC troubleshooting skills and reduce formal testing expenses.

The post EMC Bench Notes: Pre-Compliance Testing for Radiated Emissions, Part 2 – Making the Measurement appeared first on In Compliance Magazine.

Military and Aerospace EMC: Grounds and Returns

In Compliance Magazine -

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.

The post Military and Aerospace EMC: Grounds and Returns appeared first on In Compliance Magazine.

FDA Releases Paper on Health Equity for Medical Devices

In Compliance Magazine -

As part of a broader effort to expand health outcomes across diverse populations in the U.S., the U.S. Food and Drug Administration (FDA) has published a Discussion Paper to facilitate a public discussion on how to advance health equity in connection with medical devices.

The post FDA Releases Paper on Health Equity for Medical Devices appeared first on In Compliance Magazine.

Evaluating the Latest Strategies for Electrostatic Hazard Mitigation in Medical Environments

In Compliance Magazine -

This article discusses the risks of electrostatic discharge (ESD) in healthcare settings and the new ESDA TR29 guidance document. It outlines causes of ESD, potential hazards like equipment malfunction and data loss, and preventive measures such as static control flooring, proper grounding, and humidity control. The article also describes recommended ESD control programs for healthcare facilities.

The post Evaluating the Latest Strategies for Electrostatic Hazard Mitigation in Medical Environments appeared first on In Compliance Magazine.

Filter Designs for Switched Power Converters − Part 1: Overview

In Compliance Magazine -

This series of articles delves into the design principles of power filters for switched-mode power converters and similar applications, focusing on conducted and radiated emissions. Part 1 provides an overview of filter design principles, emphasizing the need for specialized approaches to meet EMC specifications in an increasingly electrified and sustainable world.

The post Filter Designs for Switched Power Converters − Part 1: Overview appeared first on In Compliance Magazine.

Advanced CDM Simulation Methodology for High-Speed Interface Design

In Compliance Magazine -

A Charged Device Model (CDM) simulation method has been demonstrated to predict CDM fail current of receiving circuits with gate oxide connected to pad. This method involves inclusion of 20ps rise time edge into the stimulus. It was shown previously that this fast rise time component of the pulse can cause the gate oxide damage. The simulation method is intended as a schematic-level tool during pre-silicon design phase to deliver CDM ESD protection. Simulation results are verified by silicon results with qualification CDM test on package and Transmission-Line-Pulse (TLP) measurements on wafer-level.

The post Advanced CDM Simulation Methodology for High-Speed Interface Design appeared first on In Compliance Magazine.

How to Measure Spacings on a Printed Circuit Board to Ensure Safety

In Compliance Magazine -

This blog by Don MacArthur discusses how to measure creepage and clearance distances on printed circuit boards (PCBs) to ensure safety. It covers definitions, design guidelines, measurement techniques, and tips for compliance engineering in electrical product safety.

The post How to Measure Spacings on a Printed Circuit Board to Ensure Safety appeared first on In Compliance Magazine.

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