Design

Myth vs. Reality: Common-Mode Field Transfer – Coupling Between Circuit Boards and Conductive Chassis Structures

This document discusses the myth that digital circuit boards can be isolated from conductive chassis structures, explaining the reality that they are always coupled through distributed capacitance and transmission line effects.

Technology Advancements in Board Level Shields for EMI Mitigation: Not Your Daddy’s Metal Can

PC Board EMI

If properly done, PC board (PCB) design control techniques can be the most cost effective means of resolving EMI issues.

Lightning Induced Ground Potential Rise (GPR)

Select the most suitable waveforms for evaluating equipment resistibility to lightning damage when a GPR is either the suspected source of the damage, or its effects are to be tested for.

Who, What and Where

This column is primarily a resource for the safety symbols you place on the...

The First Axiom of System-Product Design

The myth: Electromagnetic Compatibility (EMC) performance was initially intended for the realization of system-product...

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Data Centers are Going Green

Going “green” by reducing electricity consumption in data centers certainly has the attention of...

Power Quality and EMC

Power quality and EMC is an increasingly important area of research. In Europe it...

The Future of Battery Technologies: A General Overview & Focus on Lithium Ion

A “battery” is the generic term for an electrochemical source of electricity, which stores energy in a chemically bound form, and which can convert this directly into electric power. A battery may be either a single cell or multiple cells connected in series/parallel configurations.

Refer To Your Manual

As a product manufacturer, your duty to warn in the United States revolves around...

Low-level, Audio Frequency Conducted Emission Measurements: Motivation and Method

Control of low audio frequency magnetic fields from cables, as required by some spacecraft EMI control standards, is best implemented as a conducted emission measurement, but these may require exceptionally efficient transducers and techniques, which are discussed herein.

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Pre-Compliance Testing for Conducted Emissions – Equipment Needs (AC Mains)

Empower RF Systems’ 25th Anniversary

A Circuit Board Grown from Leaves??

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