4QD - http://www.argonet.co.uk/education/4qd/ccts/index.html Electronics Circuits Reference Archive. About 150 circuits.

A personal Home Brew Network analyzer - http://www.sonic.net/~shageman/ A Network Analyzer for your work bench at home, make it your self within a budget. Numerous other RF projects are listed.

Circuit Cellar - http://www.chipcenter.com/circuitcellar/main.htm An excellent resource for circuit ideas, theory, and design of all sorts of electronic circuits devices.

Circuit Cellar Archive - ftp://ftp.circellar.com/pub/Circuit_Cellar/ Nearly every issue is listed from 1988 to 2001, software code.

Circuit Exchange International - http://www.mitedu.freeserve.co.uk/index.html Electronic and radio schematics, design, theory, and circuit analysis.

Circuit Ideas from Jameco - http://www.jameco.com/cgi-bin/ncommerce3/ExecMacro/Jameco/pageDisplay.d2w/report?content=cc-toc Circuits that are explained well with applications, covers crystals, PICS, sensors, op-amps and multitudes of other technologies.

Circuits Archive - http://www.ee.washington.edu/eeca/ From the EE program at the University of Washington. Includes circuit models, text files, software.

Closed caption Decoder - http://www.brouhaha.com/~eric/pic/caption.html A simple yet practical closed caption decoder for your TV.

CyberCircuit Home Page - http://www.uslink.net/%7Ecybercir/index.html Windows programs that allow you to quickly find the exact electrical circuit (or other information) you need. These easy to use programs contain hundreds of circuits.

Discover Circuits - http://discovercircuits.com/ A small collections of electronic schematics and circuits.

EDN Access - http://www.e-insite.net/ednmag/ Design Idea section consists of multitudes of circuits, software progrmas, listings and generally very good tips.

Electrical Wiring - http://www.epanorama.net/wiring.html Surge suppresors, EMI protection, telcommuniucation protection, lightning protection circuits for home or office. Quite a bit of theory also.

Electronic Circuits - http://www.aaroncake.net/circuits/index.asp A nice little archive of some useful circuits.

Electronic Circuits for the Hobbyist - http://www.uoguelph.ca/~antoon/circ/circuits.htm From timers and oscilators to RF transmitters and amplifiers. Simple and fun circuits to build.

Electronic Engineers - http://oocities.com/postbox25 Electronics data books, passive and active component makers are listed.

Electronic Info and Schematic Page - http://www.fortunecity.com/skyscraper/bitmap/1922/ Technical references and schematics. Manufacturers include Califone, Daewoo, Dukane, JVC, Panasonic, Peavey, Philips, Pioneer, Rauland, RCA-GE, Sharp, and Sony.

Electronics Circuit Analysis Puzzles. - http://www.twysted-pair.ca/ Use the exercises to practice the concepts of Basic Electronics. This is a fun way to master circuit analysis. An electronics tutorial.

Electronics Hobbyist - http://www.eskimo.com/~billb/amateur/elehob.html Projects for beginners, articles on electronics and electrical science, Tesla coils, electrostatic devices, and resource links for the hobbyist and educator.

Electronics Infoline: Circuit Search Engine - http://electronicsinfoline.com/circuitbook/ Search engine and categorically organized circuits in a neat directory. More circuits are added everyday.

Electronics World - http://www.electronic-circuits-diagrams.com/ A large number of good and workable circuits. From alarms to test circuits. Free electronic circuit diagrams, schematics, tutorials, and hobbyists circuits.

FC's Electronic Circuits - http://www.solorb.com/elect/ 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.

HeMan's Electro Stuff - http://margo.student.utwente.nl/el/ 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 - http://www.oocities.org/SiliconValley/Chip/1224/ From Japan. Several interesting circuits.

Home Brew Spectrum Analyzer - http://www.nitehawk.com/rasmit/sa50.html 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.

Interactive electronic circuits Analysis site - http://www.analyzethat.net Interactive electronic and electrical circuit analysis and tutorial site.

Laurier Gendron's Circuits - http://members.home.net/roma60/ Many handy circuits for electronic hobbyists.

Links and Resources - http://www.bc1.com/users/sgl/html/jo4.htm Hundreds of electronic links.

Music Electronics µArchive - http://audible.transient.net/archive/ A very large archive of various tube and transistor amplifiers and information, mostly for music applications.

Panorama.net - http://www.us-epanorama.net/main.html Tomi Engdahl's electronics information web site. Extensive circuit archive.

PC Mouse Info - http://www.hut.fi/~then/mytexts/mouse.html PC mouse hardware and how it works, interfacing information and technical reference.

Sam Electronic Circuits - http://users.otenet.gr/~athsam Electronic Circuits for the hobbyist, analog, audio and digital, useful circuits with full Greek descriptions , diagrams in Greek and English.

Schematics and Answers - http://www.electronics.50g.com/ Schematics and circuits as well as a query where you can ask electronic related questions.

Sci.Electronics.Repair FAQ: - http://www.repairfaq.org/REPAIR/F_samschem.html Various schematics and diagrams.

Synthesizer Home Page - http://seti.harvard.edu/synth/index.html 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 - http://www.techlib.com/electronics/index.html Audio, PC, games, phone, oscillator, power, test equipment, and weather related schematics and information.

Television Schematics - http://schematy.tripod.com/ 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.

The Electronic Cookbook Archive - http://www.ee.ualberta.ca/html/cookbook.html Gateway to a FTP archive of circuits.

The Electronic Peasant - http://www.angelfire.com/electronic/epeasant/ Dedicated to inexpensive Do-It-Yourself music electronics, electronic salvage/recycling, and alternative energy projects.

Tjaco's design graveyard - http://www.oocities.org/tjacodesign/index.html Various electronic schematics including audio, switches, valve amplifiers, and high voltage/power applications.

Tomi Engdahl's Electronics Pages - http://www.hut.fi/Misc/Electronics/circuits/index.html Electronic circuits and projects designed by Tomi Engdahl. Audio, video, computer, data communication, light effects and controllers, power supplies, and telephone circuits.

Wenzel Associates Technical Library - http://www.wenzel.com/documents/library.html Time, oscillation and frequency circuits, articles, and tutorials.