The 12-term error model is a simple, effective way of modeling systematic errors in vector network analyzer (VNA) measurements. Learn about this model and an associated error correction technique in this article.
March 10, 2024 by Dr. Steve Arar
Have you ever needed an unusual, non-standard resistance value for the project you are building? This article will provide you with a simple series of steps to build the resistance you need from a collection of resistors.
January 07, 2024 by John Woodgate
The distribution of AC currents in real conductors with finite dimensions and circular or rectangular cross-sections is non-uniform. This article will discuss Faraday's law and how AC currents create eddy currents and current crowding in real conductors.
August 27, 2023 by Dr. Steve Arar
Proper inductor selection is one key to the successful design and implementation of a switching regulator. This article will help you understand the relationship between the inductor value and circuit performance.
August 16, 2023 by Robert Keim
This article will demonstrate that the AC current density decreases exponentially into a conductor. It will also explain why we can assume that the total current has a uniform distribution from the surface down to one skin depth of the conductor.
August 06, 2023 by Dr. Steve Arar