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Basics of Grounding and Bonding for EMC Compliance

In the realm of electromagnetic compatibility (EMC), grounding and bonding are fundamental practices that ensure the safe and effective operation of electrical systems. Proper grounding and bonding minimize electromagnetic interference (EMI) and enhance the performance, reliability, and safety of electronic devices. This article delves into the principles of grounding and bonding in EMC, explores common practices across various industries, and highlights successful implementations through case studies.

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FDA Expands Unannounced Inspections of Foreign Manufacturing Facilities

The U.S. Food and Drug Administration (FDA) is stepping up its use of unannounced inspections at foreign manufacturing facilities that produce medicines and other medical products.

FCC Issues Annual Voice Telephone Services Report

The Federal Communications Commission (FCC) has released its most recent report on voice telephone services available to consumers in the United States.

FDA to Address Data Integrity Concerns with China-Based Third-Party Testing Labs

The U.S. Food and Drug Administration (FDA) is raising concerns about the integrity of data submitted by two China-based testing laboratories in support of recent premarket medical device submissions.

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Compliance Resources

Mastering High Voltage: The Importance of Accurate Test Equipment

Ensuring precision in high-voltage testing demands rigorous instrument calibration, with certified laboratories meticulously aligning measurements to national standards for uncompromising accuracy and reliability.

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FCC Issues Annual Internet Access Services Report

The U.S. Federal Communications Commission (FCC) has recently released its annual report on access to Internet connections in the U.S., including information on the gap between current service levels and the benchmark Internet connection speeds recommended under the Commission’s National Broadband Plan.

Cybersecurity Developments in Wireless and Communications Technologies

Achieving a balance between effective cyber protection and free trade can present multiple challenges. In this article, we outline recent and upcoming cybersecurity protections that are being enacted in the U.S., Canada, the European Union (EU), and other jurisdictions.

Preparing for the EU’s New RED Cybersecurity Requirements

The European Union’s 2024 Cyber Resilience Act makes complying with the cybersecurity standards in the Radio Equipment Directive (RED) mandatory. Your firmware developers may need a significant amount of time to implement the provisions, so if you have not already started securing your product to the new regulation, you need to do so now.

FCC Supports Wireless Communications in Lower Bands

The U.S. Federal Communications Commission (FCC) has adopted new spectrum rules that will expand the use of frequency spectrum currently reserved for fixed and mobile services.

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Feature Articles

The Evolution of EMI Receivers

Since the discovery of electromagnetic interference (EMI) in the early 1900s, the need for testing for radiated emissions continues to grow as products get more complicated. The time to test has also grown, and, in some cases, can take days to complete. The introduction of fast Fourier transform (FFT) technology into EMI receivers can greatly decrease the required testing time, but is it applicable for everyone?

Implementing Robust Watchdog Timers for Embedded Systems

Watchdogs are essential system design components that reset systems for recovery. Originally standalone timer ASICs, they're now integrated into power management devices, voltage supervisors, and microcontrollers to enhance functional safety. This article explains various watchdog timers, their interactions, and design strategies for multiple watchdogs, particularly in functionally safe multicore systems requiring independence.

Filter Designs for Switched Power Converters: Part 2

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 2 will examine specific aspects of switched power converters.

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