Fundamentals

Resource articles covering basic electrical and compliance engineering concepts, theory and application, historical references, and general information.

RF Tech Tip: BNC Versus Threaded Connectors

The shielding performance of bayonet vs. threaded connectors is measured and some possibly surprising conclusions are drawn. Bayonet connectors – more useful than you might think.

Troubleshooting EMC Problems Like an MD

This article describes three troubleshooting methodologies doctors use to diagnose (troubleshoot) medical problems. These same techniques have proven useful in my own EMC consulting practice.

Continuing Your Professional Education in 2021

Traditionally, the start of a new year is a time when we reflect on the progress we’ve made during the year passed and set our goals for the new year. We’ve queried training resources in our industry to provide you with an overview of free or affordable solutions to meet your training goals in 2021.

There’s an “R” in “Varistor”

This article analyzes the V-I characteristic of a varistor and shows it is more appropriate to treat the varistor as a current dependent resistance rather than the conventionally taught voltage dependent resistance. Spice circuit examples are given, based on a current dependent resistance varistor model.

Qualifying ESD Flooring

Controlled environment testing of static control flooring in combination with multiple forms of ESD footwear during the qualification phase can reveal problems and is a mandatory step to avoid installing non-compliant flooring/footwear systems.
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