Short Tutorial on the Classic Timer, the 555. With animations.

An excellent extensive tutorial. Includes history, timing and logic diagrams. With numerous replacement guides.

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

A very complete, professional quality, electronics tutorial on the Internet. Covers quite a few subject including AC waveforms, inductance, and capaciatnce.

Download Filter Wiz, a Windows application.

Electronic information for students.

Online book which covers topics from ohms law to digital circuits. Contains interactive troubleshooting simulations.

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

Theory and math of various types of microstrip transmission lines. Includes extensive diagrams.

Technical reference library in electrical engineering for students and engineers

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

Analog and RF circuit design resources. An extensive array of links and information relating to various aspects of circuit design.

A useful table for calculating characteristics of various conductors.

Electronic information for the student.

Basics, hints and precautions, links to many informative sites.

A home page for a complete college level Electronics course.

The Design Source for Engineers and Managers

The Electronics Design, Technology and News Network

Animations of Ohm's Law, Smith Charts, and impedance matching. Free online lessons.

Circuit analysis power point slides. Basic and advanced techniques

A short dissertation on electromagnetism, its theory and units of measurements.

A near complete course in Electrical Engineering on the WEB.

This is a basic introduction to the concepts of charge, voltage, and current. Discusses Coulomb's Law, Ohm's Law, and power. Includes graphics and animations.

The theory behind wire, resistors, capacitors, inductors and semiconductors as components.

Personal page that provides electronics hobbyist and enthusiast information and resources.

Alex's Electronics Tutorials and Links.

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

Electric and electronic circuit design calculations online: ohms law, impedance and reactance, resonant frequency, time delays.

Basic and intermediate electronics for beginners, students, teachers and science fair projects.

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

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

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

Several very interesting sections on electronics theory. Advanced, intermediate and beginner.

A huge list of references about inductance and coils.

Recommended books page

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

Ohms law and power law calculator.

Basic electrical engineering one and two

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

Calculations, formulas and diagrams for calculating and estimating self inductance of various structures.

Contains timing diagrams and a component calculator. Quite a few explanations.

Very conveninet circuit simulation software. Draw the schematic and get the transfer function.

Mixers, directional couplers, bartlett's bisection theorem, constant current sources, PLL and an excellent introduction to HP's ADS.