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FCC Issues Notice of Unlicensed Radio Operation and Harmful Interference

The FCC has ordered the owners of a spa in West Palm Beach, Florida to immediately cease operation of a device that was interfering with AT&T FirstNet’s cellular network.

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Penn State Students Rewrite Kirchhoff’s Law

Nothing lasts forever, even something as old as 165 years! A student research team at Pennsylvania State University has reportedly demonstrated a “dramatic breaking” of the long-standing Kirchhoff’s law of thermal radiation.

Another Round of Solar Flares Kicks Off Summer 2025

The U.S. National Aeronautics and Space Administration (NASA) reports that the Sun emitted another round of solar flares recently.

FCC Affirms $3 Million Forfeiture for PIRATE Violations

The U.S. Federal Communications Commission (FCC) has affirmed a $2.4 million financial penalty against a Florida man for illegal pirate radio broadcasts in North Miami, Florida.

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Compliance Resources

Use of a PC-Based Digitizer in Medical Acoustic Microscopy System

Advancing medical acoustic microscopy through innovative digital techniques: maximizing echo detection, enabling high-speed scanning, and achieving precise, synchronized ultrasonic imaging.

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The State of IEEE EMC Standards in 2025

This article summarizes the current state of affairs of standards documents sponsored by the IEEE EMC Society, including areas where there is active development in progress, as well as information on those standards that are currently stable and those that are currently inactive. We’ll also advise readers on how to become more directly involved in the IEEE EMC standards development efforts.

CISPR 11—A Historical and Evolutionary Review

The international standard for electromagnetic emissions from industrial, scientific, and medical equipment has evolved dramatically since 1975. From basic measurements at 100 meters to today's sophisticated testing protocols covering robots and wireless devices, CISPR 11's journey reflects our increasingly complex technological landscape.

FCC Finalizes Ban on Certain TCB Certifications

The U.S. Federal Communications Commission (FCC) has finalized its efforts to ban the certification of testing laboratories that pose a potential threat to U.S. national security.

FDA to Expand Use of AI in Scientific Reviews

The use of artificial intelligence (AI) tools is rapidly gaining traction throughout industries around the world. Now, the U.S. Food and Drug Administration (FDA) is stepping up to leverage the potential benefits of AI.

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Feature Articles

Minimizing Risk When Buying or Selling a Company

The purchase or sale of a company or product line can create big problems in product liability and product safety for both the buyer and the seller. Comprehensive audits should be conducted before an acquisition/sale to identify potential risks in these areas and help to clearly describe the risks assumed by each party in the purchase and sales documents.

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.

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