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keith armstrong

Banana Skins – April 2018 (#48-53)

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.

Banana Skins – March 2018 (#28-47)

We hope you enjoy the column and look forward to continuing the tradition of sharing these valuable stories.

Banana Skins – February 2018 (#20-27)

We regularly receive requests from readers to publish stories about real EMI/EMC problems faced by real engineers.

Banana Skins – January 2018 (#1-19)

We are pleased to bring you Banana Skins, a new monthly column in In Compliance, and a 20-year tradition that began in the pages of the EMC Journal.

Introduction to “EM Engineering”

Achieving electromagnetic compatibility (EMC) compliance is now straightforward, quick, and easy – using the EM Engineering process that Keith Armstrong describes in this article.
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Risk Management of Medical Devices Regarding Electromagnetic Disturbances

The risk management requirements of EN/IEC/ANSI/AMIEE 60601-1-2 Edition 3 (2007) and IEC 60601-1-2 Edition 4 (2014) are mostly either ignored or misunderstood by manufacturers, their EMC test labs, and medical regulatory assessors.

Managing Risks Due to EMI Needs More Than Immunity Testing

It’s EMC, Jim, But Not As We Know It! (with apologies to The Firm1) Welcome to...

Guide to Testing Conducted Emissions (Based on the Methods in EN 55022 and EN 55011) – Part 2

Conducted emissions testing may be carried out on an Open Area Test Site (OATS) intended for testing radiated emissions, but it is not necessary to use an OATS and conducted emissions can be tested relatively easily, with high accuracy, in the comfort of your own building.

EMI Risk Analysis

The reliability of electronic technologies (including the software and firmware that runs on them) can become critical when the consequences of errors, malfunctions, or other types of failure include significant financial loss, mission loss, or harm to people or property (i.e. functional safety).

Guide to Testing Conducted Emissions (Based on the Methods in EN 55022 and EN 55011)

Conducted RF emissions are electromagnetic disturbances (noise voltages and currents) caused by the electrical and electronic activity in an item of equipment, and conducted out of that equipment along its interconnecting cables, such as power, signal or data cables.
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