Archives refers to a collection of records, and also refers to the location in which these records are kept. Archives are made up of records which have been created during the course of an individual or organisation's life. In general an archive consists of records which have been selected for permanent or long-term preservation. Records, which may be in any media, are normally unpublished, unlike books and other publications. Archives may also be generated by large organizations such as corporations and governments. The highest level of organization of records in an archive is known as the fonds. Archives are distinct from libraries insofar as archives hold records which are unique. Archives can be described as holding information "by-products" of activities, while libraries hold specifically authored information "products". The word 'archives' is the correct terminology, whereas 'archive' as a noun or a verb is related to computer science. *

555 Timer Tutorials - Soem real handy circuits from Williamson Labs.
Meta Description: [ 555 Timer Tutorials, timer, timing circuit, 555, ne555, ne556, time, 555 timer, 556 timer,ra, rb, astable, monostable, delay, oscillator, rc oscillator, vco, voltage control, rc, ]
Analoghome.com - A Network Analyzer for your work bench at home, make it your self within a budget. Numerous other RF projects are listed.
Bowden's Hobby Circuits - Site includes over 100 circuit diagrams, links to related sites, commercial kits and projects, newsgroups and educational areas.
Meta Description: [ A small collection of electronic circuits
for the hobbyist or student. Site includes over 100 circuit diagrams, links
to related sites, commercial kits and projects, newsgroups and educational
areas. ]
Circuit Cellar - An excellent resource for circuit ideas, theory, and design of all sorts of electronic circuits devices.
Meta Description: [ eeProductCenter delivers a full spectrum of critical design information about the latest ICs and electronic components for engineers facing challenging, design-in decisions. eeProductCenter continuously reports new product news with analysis and insight to help you make more informed product/tech... ]
Circuit Cellar Archive - Nearly every issue is listed from 1988 to 2001, software code.
Circuit Exchange International - Electronic and radio schematics, design, theory, and circuit analysis.
Meta Description: [ Electronic and Radio schematics, Design,Theory,Circuit Analysis ]
Closed caption Decoder - A simple yet practical closed caption decoder for your TV.
Computer Circuits 200 A - A near complete web based course on digital logic to complete computer systems. Covers all basic digital logic circuits.
Computer Circuits 200 B - A near complete web based course on digital logic to complete computer systems. Covers all basic digital logic circuits. This is the rest of A, this covers what A missed.
CXI Schematics - Schematic index audio RF power, switching and miscellaneous circuits.
Meta Description: [ Schematic Index Audio RF Power Switching & Miscellaneous Circuits ]
Discover Circuits - A collections of categorized and cross-referenced electronic circuits or schematics.
Meta Description: [ Discovercircuits.com, has 25,000+ portal of free electronic circuits, schematics, designs, or diagrams & other resources for engineers, inventors & students. ]
EDN Archives - Online magazine articles consist of information about circuits, software programs, listings and helpful tips.
Electronic Circuits - A nice little archive of some useful circuits.
Electronic Circuits for the Hobbyist - From timers and oscillators to RF transmitters and amplifiers. Simple and fun circuits to build.
Meta Description: [ Circuits and building projects, Schematics, diagrams, High Voltage projects, Electronics, Tutorials + history. ]
Electronic Engineers - Electronics data books, passive and active component makers are listed.
Electronic Info and Schematic Page - Technical references and schematics. Manufacturers include Califone, Daewoo, Dukane, JVC, Panasonic, Peavey, Philips, Pioneer, Rauland, RCA-GE, Sharp, and Sony.
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Electronic Projects - A variety of free electronic projects that you can build. Quite a few circuits with theory of operation, and parts lists. Excellent reference site.
Meta Description: [ Electronic circuits projects and diagrams ]
Electronics and Electrical Engineering Resource - Electronics theory, books, construction projects, tips, and practical advice.
Meta Description: [ electronics online resource and community, general directories, circuits, semiconductor, computer, biomedical, telecom, analog, digital design, vlsi, dsp, electric power, aerospace, consumer electronics, microprocessor. ]
Electronics Circuit Analysis Puzzles. - Use the exercises to practice the concepts of Basic Electronics. This is a fun way to master circuit analysis. An electronics tutorial.
Meta Description: [ Use the Learn Electronics schematic
exercises to practice the concepts of Basic Electronics. This is a
fun way to master circuit analysis. Try our free electronics
tutorial. ]
Electronics Hobbyist - Projects for beginners, articles on electronics and electrical science, Tesla coils, electrostatic devices, and resource links for the hobbyist and educator.
Electronics Infoline - Search engine and categorically organized circuits in a directory.
Meta Description: [ A large collection of free electronics schematics such as PIC microcontroller Project, Audio and RF amplifier, Battery charger, wi-fi, wireless application and more. New Projects are added every week. ]
Electronics Lab - Useful circuits with full description, diagrams and PCB, electronics articles, links and downloads.
Meta Description: [ Free Electronic projects, schematics, diagramms, pcb, free electronic software and hobbilist electronics resources, electronic community and much more ]
Electronics World - A large number of good and workable circuits. From alarms to test circuits. Free electronic circuit diagrams, schematics, tutorials, and hobbyists circuits.
Meta Description: [ Electronic circuits schematics, hobby kits, custom circuit design & tutorials homepage ]
FC's Electronic Circuits - Circuits on solar power, micro power FM broadcasting, and a temperature controlled NICD charger. Some interesting circuits from Forrest Cook. And a few very good electronics links.
Meta Description: [ This page has complete schematics for a number of electronic circuits and links to other electronics pages. ]
HeMan's Electro Stuff - The site has not been maintained for more than two years but there is a tremendous amount of information, wisdom and circuits. tubes, transistors, circuits, audio tube and transistor amps are covered.
Hobby Electronics - From Japan. Several interesting circuits. Some interesting theory and applications.
Home Brew Spectrum Analyzer - How to make a spectrum analyzer with tips and advice on componenet selection and architecture. A large number of circuit ideas and schematics, with sources and construction tips.
Meta Description: [ Homebrew Amateur Radio Spectrum Analyzer ]
Interactive electronic circuits Analysis site - Interactive electronic and electrical circuit analysis and tutorial site.
Meta Description: [ A site where Electrical Engineering, Technology and High School students can analyze electronic circuits and math problems online. ]
Julien Thomas Enterprises - RS-232 protection and connections schemes. For protecting your Mother Board.
Meta Description: [ Heimseite von Julien Thomas, Kiel ]
Music Electronics µArchive - A very large archive of various tube and transistor amplifiers and information, mostly for music applications.
Operational Amplifier Circuits - Single and split power supply, inverting and non inverting operational amplifier theory. Ps
Meta Description: [ Animations and Stills in Industry, Architecture, Science, Topology, Design etc. ]
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PC Mouse Info - PC mouse hardware and how it works, interfacing information and technical reference.
Meta Description: [ PC mouse hardware information. ]
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PC related schematics - Interface circuits, I2C, RS-232, IEEE-448, parallel port, programmers, LCD interwae, in short any hardware or software you may need to interface a PC to the outside world is here.
Meta Description: [ Electronic Circuit Schematics ]
Sam Electronic Circuits - Electronic Circuits for the hobbyist, analog, audio and digital, useful circuits with full Greek descriptions , diagrams in Greek and English.
Meta Description: [ Electronic Circuits for the Hobbyist
designed by Sam. with full description and diagrams in Greek and English.
Ηλεκτρονικά κυκλώματα για χομπίστες. Πληροφορίες-διαγράμματα. ]
Sam's Schematic Collection - Includes information about safety, power supplies, Jacobs Ladders, circuits, IR detectors, power oscillators, and schematics.
Schematic Symbol Reference - A large reference of schematic symbols and brief explanations of each.
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Schematics and Answers - Schematics and circuits as well as a query where you can ask electronic related questions.
Meta Description: [ We have a growing collection of circuits and useful information for the circuit builder.
Feel free to ask about our circuits or any other questions you may have about electronics. Also if you need a specific circuit you can ask us and we will look for it., computing_and_technology ]
Synthesizer Home Page - How to make a very nice and stable frequency synthesizer from Harvard. Includes schematics, block diagrams and parts lists. Very through design.
Techlib.com Electronics - Audio, PC, games, phone, oscillator, power, test equipment, and weather related schematics and information.
Television Schematics - The site is for electronic specialists who repair TV sets. On the site you can find television schematics, scanned and saved with GIF, JPG or PDF extension. Some of the scans are of low quality, but you get the idea.
Meta Description: [ Tu mozna pobrac bezplatnie schematy do telewizorow. On the site you can find television schematics. You can download and use the diagrams free of charge. ]
The Electronic Cookbook Archive - Gateway to a FTP archive of circuits.
The Electronic Peasant - Dedicated to inexpensive Do-It-Yourself music electronics, electronic salvage/recycling, and alternative energy projects.
Meta Description: [ The Electronic Peasant, dedicated to music electronics, vacuum tubes, alternative energy, and electronic salvage and recycling. Analogue rules! ]
Tomi Engdahl's Electronics Pages - Electronic circuits and projects designed by Tomi Engdahl. Audio, video, computer, data communication, light effects and controllers, power supplies, and telephone circuits.
Meta Description: [ Electronics circuits and projects designed by Tomi Engdahl. Electronics documents written by Tomi Engdahl. ]
Useful Circuits - Hundreds of useful, simple circuits; easy to build and easy to understand.
Wenzel Associates Technical Library - Time, oscillation and frequency circuits, articles, and tutorials.
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