This category is for general electronics reference materials or materials that would apply to several different electronics topics. Some examples would be lists of formulae, theorems, online encyclopedias, and handbooks.
Technical articles and files on RF, radio and phase lock loops (PLL).
Basic tutorials for students, teachers, beginners and hobbyists on digital and analogue electronics.
Articles, guides and tutorials on how to build electronic circuits. Topics for hobbyists include schematics design, printed circuit boards, soldering and other.
Electronic and radio schematics; circuit analysis, design and theory; freeware and shareware downloads.
Articles on electronics, electronic projects and a discussion forum.
Design engineering information and resource site for engineers, students and hobbyists.
Java Applets and Windows Applications to design/analyze digital filters, tutorials on digital signal processing, schematics.
Tutorials, resource bin, ezine columns, InfoPacks, annotated links.
Electrical engineering community for hardware designers: design tools, projects, articles, and discussions.
A collection of interactive calculators for electronics designers, hobbyists and hams.
Electronics technical data, interactive calculators, software downloads, forum, a beginners guide and links.
A near complete reproduction of Allied Electronics Handbook. Electronic formulas and charts.
Electronics discussion forum, including sections on hobby electronics, repair, audio and CAD.
Provides more than 800 electronic symbols classified into different categories.
An online and paper journal with information on analog, digital, RF, microwave, millimeter-wave and lightwave technologies.
A tutorial on the theory and design of various types of sensors for Man-Machine interface.
A six-volume set of free downloadable books covering many aspects of electricity and electronics. Suitable for 2-year college use.
Features electronic ideas, circuits, and hints including radio, antennae, and articles.
Articles and technical information about higher frequency RF.
A collection of online electronics and electrical calculators.
Ohms law and other electronic calculators and charts.
Paul Peng's high voltage and other electronics related projects including Marx generator, Tesla coils, coilgun and pulse discharge.
Ideas for design, reference, education, careers, events, Bob Pease column, discussion forums, products, literature. Registration required.
A collection of RF and microwave resources for wireless communication engineers. Includes tutorials, theory, design aids, circuit diagrams and products.
Site dedicated to getting around the security bit of PAL/ GAL devices used in proprietary industrial electronics circuit boards.
An elementary guide to Electronics. Learn about components, circuits, and the use of electronics.
Power supply design information, electronics calculators and reference information.
Technical reference section. Mostly RF technical articles.
Information for the electronics experimenter from Wenzel Associates.
Historical website with several guides and resources related to electronics hardware.
Basic electrical and electronics theory, information on National Electric Code, how to's and blog.
A collection of connector pinouts, cable and other hardware features, electronic circuits and tables.
Technical reference to electrical resistors. Includes information about resistor materials, types, applications, and properties.
A collection of links to various application notes for different RF Vendors. Links to RF equations, technical data sheets, math notes, design ideas and useful RF design information.
A collection of tutorials on electronics, from the basics to university level.
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