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September 2018

What Every Electronics Engineer Needs to Know About: Measuring Receivers

Out of all of the tools typically found in the Electromagnetic Compatibility (EMC) laboratory...

Gun Test of a USB3 Host Controller Board

System level tests on a USB3 controller with on-board protection were found to yield irreproducible failure levels. A root cause analysis was performed using a combination of gun tests, TLP tests, and SEED simulation. It was found that an inductive current distribution between protection and SoC may explain the actual failure levels. Solutions are presented for effective on-board protection of USB3 controller boards.

New Methods of Air Ionizer Performance Testing

This article defines ionization qualification and periodic verification test procedures for ionizers which are not addressed in STM3.1 or SP3.3, including air-assist bar ionizers, soft x-ray ionizers, an alternative method of room ionization, and non-airflow alpha ionizers.

Analyzing Risk Before and After Sale

This article will discuss risk assessment techniques before and after sale and some of the legal and practical implications arising from their use.
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S-Parameters Tutorial – Part II: EMC Measurements and Testing

This part II of the s-parameter tutorial presents several examples of the s-parameter use in EMC measurements and testing.

ESD Open Forum

Updates to Past CDM Open Forum Questions

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.

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