April 2019 Archives - In Compliance Magazine

Let’s Talk About Obtaining NRTL Approvals More Effectively

The usual experience when working with a NRTL is that projects are, more often than not, late, costs are overrun, and certification reports often inaccurate. This is not always the fault of the NRTL.

Closed Loop Radiated Immunity Testing

This article describes a proposed addition to the IEC 61000-4-3 standard. This addition would allow detailed testing of a product while coordinating and documenting the frequency changes of the test.

Standards for Information and Communications Technology (ICT) Surge Protectors and Protective Circuits

The standards reviewed here have been developed to help ensure that ICT circuits will be adequately protected against surges, especially those due to lightning.

Antenna Selection for IEC 61000-4-3

With so many different antenna options on the market, it is not always easy to understand what will work best for your application.

Basic Bode Plots in EMC Applications

The importance of Bode plots in EMC cannot be overstated. This Part I of the tutorial discusses the basics of Bode plots construction.

Multiple Resonances for Inductors with Core

Resonances in components are a well-known topic for electronic designers when working in high frequencies (e.g. EMI/EMC). Do not forget to test your components with an impedance analyzer, especially if they are custom magnetic components.

Component Modeling for System-level ESD Simulation

Over the past 5 or 6 years, industry and university researchers have advanced the state of the art in system-level ESD simulation, and this article provided an overview of some of those activities.

In-Depth on Risk Assessment

Take a deep dive into the practical implications of risk assessment and your products.

Banana Skins – April 2019 (#172-179)

The Banana Skin columns were compiled by Keith Armstrong, of Cherry Clough Consultants Ltd, from items he found in various publications, and anecdotes and links sent in by the many fans of the column.