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capacitors

Practical Engineering: Capacitor Safety Considerations

You know that feeling when a capacitor’s datasheet claims one thing, but NRTL’s online certification directory tells a different story? This blog is all about that - specifically a capacitor rated X1 and Y1, but the certification directory only showed X1. Moral of the story? Double check those certs early in the game to avoid delays.

Impact of Decoupling Capacitors and Trace Length on Conducted Emissions in a CMOS Inverter Circuit

The authors evaluate the impact of capacitors and trace length on conducted emissions.

Practical Engineering: X1 vs X2 Capacitor Types and How to Select the Correct Type

This month's blog explains X-type capacitors, which suppress emissions in switch-mode power supplies and variable drives.

Capacitor Technologies Used in Filtering

Although understanding each capacitor type and behavior is daunting and difficult to memorize, it is prudent that every aspiring engineer and technician involved in design for EMC at least have a rudimentary understanding of what capacitor technologies are available.

Capacitors: Theory and Application

This article presents the fundamentals and application of capacitors. What is a capacitor, and how do we select them? Techniques of selecting capacitors and things to consider when using capacitors are highlighted. Both practical examples and simulation are used to demonstrate the key points.
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EMC Resonance Part II: Decoupling Capacitors

Resonance phenomenon is explained using several common decoupling capacitor configurations.

Impact of Decoupling Capacitors and Embedded Capacitance on Impedance of Power and Ground Planes: Part II

We investigate two four-layer PCBs with power and ground plane pairs spaced 3 mils and 30 mils apart.

Impact of Decoupling Capacitors and Embedded Capacitance on Impedance of Power and Ground Planes: Part I

We investigate two four-layer PCBs with power and ground plane pairs spaced 3 mils and 30 mils apart.

Impact of a Decoupling Capacitor in a CMOS Inverter Circuit

This article discusses CMOS inverter switching and shows the impact of a decoupling capacitor on the power rail signal integrity and radiated emissions.

Using Machine Learning to Analyze Key Capacitor Materials

Scientists from the Georgia Institute of Technology have figured out a way to use machine learning to build better, more powerful capacitors.
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