Delving into EMI, EMC, and Noise

Electromagnetic interference is becoming a bigger disturbance in power electronics and other systems. Explore the many different types of EMI filters that can cut through the ...

Electromagnetic-interference (EMI) disturbances are on the rise and becoming more intense due to more complex and powerful designs. Engineers can take several courses of action...

Learn to measure electromagnetic emissions in integrated circuits caused by EMI disruptions, as well as the effect of power-supply interference on immunity and emissions.

A key concern within the automotive industry is ensuring electromagnetic compatibility (EMC), which involves the seamless operation of electronic systems without interference....

As the connectivity requirements in modern cars shift up to multi-gig speeds, even more rigorous testing will be required to ensure electromagnetic compatibility (EMC).

As electronics technology advances, concerns mount about EMI. This article looks at EMI mitigation methods when dealing with high frequencies in switching power supplies.

Get noise out of your power supply with a multi-prong approach. Filters, bypassing, and post-regulation all can help achieve that goal.

Various methods, from shielding to optimized PCB layout, can be applied to significantly reduce high levels of EMI in power supplies.

Learn how to reduce electromagnetic interference using the frequency-spread-spectrum (FSS) approach.

An electromagnetic pulse—or EMP—is an impending event capable of returning the world’s society back to the dark ages. Here’s an overview of some of the methods that could help...

This article examines simulated and experimental techniques that can help minimize noise isolation and coupling in semiconductor technology.

Different methods of passive and active noise isolation and noise cancellation, or combinations of the two types, can be applied to help defeat the noise that plagues most all...

In circuits and power-distribution systems, there are many ways to measure harmonics, e.g., using a clamp meter, and methods to reduce them, such as via K-rated transformers.

Explore the CISPR 25 international standard, which sets the guidelines for measuring radio disturbances in vehicles, boats, and electrical components. Learn about test methods...

Switching power supplies offer significant advantages over their linear counterparts, but they’re not without drawbacks.

EMI-mitigating methods discussed in this article include light communications, graphene film shielding, and grounded lids for package shielding.

Reducing power-supply electromagnetic interference can be quite challenging. This article presents some powerful tools and techniques to help achieve those EMI goals.

Part 2 goes further into the methods that can help lower EMI in switched-cap designs, including implementation of active EMI filters and visible light communication.

EMI lurks in and around state-of-the-art switched-capacitor voltage regulators targeted for ultra-low-power use in the IoT. This article presents methods to overcome that pervasive...

Electromagnetic interference and electromagnetic compatibility are both important considerations when designing and working with electronic components and systems.

Part 2 addresses other electronic systems that feel the impact of EMI and how SSFM can help tackle the problem.

Electromagnetic interference is a “beast” that can wreak havoc in electronic systems, leading to poor operation, circuit malfunction, and ultimately a total system failure.

By electrically “teasing” the ions using an electrolyte-bearing MXene film, it can be switched between being a barrier or being transparent to RF energy.

Automakers need to rein in electromagnetic interference before it pumps the brakes on in-vehicle connectivity innovations.

The input capacitance of an op amp often lies in the picofarad range, making it difficult to measure because parasitic effects in the test setup distort the result. But, with ...

Real-time spectrum analysis (RTSA) for transient events can best troubleshoot, localize, and visualize these fast-occurring signals in the form of a single spike or even a spark...

RF interference can severely disrupt electronic circuit functions even in the most professionally designed systems. This article shows designers the proper use of EMI/RF shielding...

Many electronic product manufacturers will fail their EMC compliance measurements at the test house upon first submission. This article will help save cost and time for manufacturers...

Wi-Fi networks are mostly affected by wireless interference/EMI upon the occurrence of symptoms like intermittent connectivity or unexpected disconnections, delays in connection...

5G base stations have far more modems, data converters, and high-speed baseband digital processing, which leads to higher power needs. And they may need as much as 3X more power...