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Keith Armstrong

After working as an electronic designer, then project manager and design department manager, Keith started Cherry Clough Consultants in 1990 to help companies reduce financial risks and project timescales through the use of proven good EMC engineering practices. Over the last 20 years, Keith has presented many papers, demonstrations, and training courses on good EMC engineering techniques and on EMC for Functional Safety, worldwide, and also written very many articles on these topics. He chairs the IET’s Working Group on EMC for Functional Safety, and is the UK Government’s appointed expert to the IEC committees working on 61000-1-2 (EMC & Functional Safety), 60601-1-2 (EMC for Medical Devices), and 61000-6-7 (Generic standard on EMC & Functional Safety).

From This Author

How to Get The Resources You Need

This article explores a problem faced by all engineers and engineering managers: persuading your manager that you need a new item of test equipment, or you need to add something to a product that is not in its technical specification.

Banana Skins – October 2018 (#106-122)

We are proud to carry on the tradition of sharing Banana Skins for the purpose of promoting education for EMI/EMC engineers.

Banana Skins – September 2018 (#92-105)

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 – August 2018 (#79-91)

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

Skin Effect and Surface Currents

Understanding skin effect and surface currents saves us a lot of time and cost in the design of our product’s shielding and filtering, especially for tough EMC standards such as automotive, military or aerospace.
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Banana Skins – July 2018 (#68-78)

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

Banana Skins – June 2018 (#62-67)

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

Banana Skins – May 2018 (#54-61)

We are proud to carry on the tradition of sharing Banana Skins for the purpose of promoting education for EMI/EMC engineers.

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.
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