Theory and Math Websites

Technical reference library in electrical engineering for students and engineers

This page provides a collection of some of the best Smith Charts.

A complete course in Electrical Engineering on the WEB (paid subscription is required).

A very good tutorial on science and electronics, physics, light and electrical optics.

Ohms law and power law calculator.

A really slick design guide for all sorts of filters. Includes DSP filters.

A free source of SPICE circuit files and tutorials for simulating and analyzing electronic circuits. Links to free downloads.

Find out how magnetism, flux, static, magnetism and the inductor are all related and how they influence current flow. (Numerous pop-ups)

Covers theory, materials, tips on winding inductors and eleltromagnets hints and kinks.

University of San Diego Electrical Engineering course in RF and microwave circuit design

Quite a bit of theory, practical advice, math and diagrams, from basic electronics theory to very advanced physics.

Microwave design articles, applications, and high-frequency design techniques for microwave and wireless engineer.

Basic principles, ideas, concepts, laws, and formulas behind electronics.