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Application Notes
Cross Reference
Industry Acronyms
Industry Standards
Intellectual Property

 Useful Links

Useful Resources and Links

What is REACH?Registration, Evaluation, Authorisation and Restriction of Chemicals The database of high quality business presentations

Export & Trade Control Guidance How well do you understand your obligations?



"Find a product Datasheet" Resources

DataSheet Locator Most products from most manufacturers

Datasheet Archive 6 million plus data sheets

The Electronics Source Book 10 million searchable parts

SupplyFrame Datasheets, Availability & Cross Referencing

*NEW* All Datasheets All claims 20 million data sheets online now


Useful Links

ENG-TIPS Engineer Forums Ask your question, or just join in The engineering workplace 

Online Conversion If its not here then it probably can't be converted

World Mains Voltage  This just might be useful

Resistor Colour Codes  If you didn't know before

Tear Down Know you Competition, Options & Opportunities

National Science Digital Library Education and Research in Science, Technology, Engineering, Mathematics

How Stuff Works Ever wondered? Well perhaps the answer is here...

Potential Dates Causing Problems for Computers to 2100 Remember the Millennium Bug?!

The Impact Lab Davinci Institute Science Blog

Academicinfo - an online education resource center with extensive subject guides and distance learning information. Our mission is to provide free, independent and accurate information and resources for prospective and current students (and other researchers).

CASTI Engineering and Scientific Web Portal The CASTI Engineering and Scientific Web Portal contains over 3,000 technical web site links in a fully searchable database, grouped in 28 categories, with hundreds of technical links being added daily.

ChipDocs - Datasheets for Semiconductors With access to datasheets for semiconductors, especially for obsolete parts, ChipDocs provides design engineers with information they need for designing a new or repairing an existing products. - Hardware Resources Electronics Web Portal. Includes parts search-engine, compare tools, datasheets, technical information and powerful tools for engineers, developers and hardware labs.

Education and Technology Resources - "how-to" guides for Web publishing, computer-mediated communication, and resources on distance learning, copyright, research and writing, source evaluation, virtual libraries, cyberculture and more.

EE Compendium The EE Compendium is a resource for the working electronics engineer, with book and tool recommendations, microcontroller information, electronic project plans, source code, and industry links.

EngNet Engineering Directory Engineering Directory & Search Engine - Designed by Engineers to source Engineering Products, Services and Companies

Interactive Engineering A site devoted for the discussion on 78 topics covering Chemical, Mechanical and Civil Engineering, Electronics, Communication Technology and Software & Computers.

Motion System Design Online A portal site that allows power transmission and motion system engineers the chance to personalize their Internet workspace with favorite links, favorite suppliers, industry news, and 6 years of articles from PT Design magazine.

Mr PLC - An Automation Help Site Download Allen Bradley PLC ladder logic source code written by other engineers. Upload and submit your own source code for others to see. Ask questions in our forum boards about automation, allen bradley plcs, vision systems, servos, robots, etc.

Process Industries Supplier Directory Online supplier directory for process industries includes news, links, forums and event calendar. Browse and search suppliers by region, arranged categorically across 6500 products. Suppliers can list, edit and monitor hits online.

SMTnet The gateway to electronics manufacturing at is another valuable resource for electronics engineers.

The Electronics Area An electronics based site containing projects, schematics, information on electrical components, tutorials, and more.

The Multimedia Electronic Literature & Learning In This web site is dedicated to the advancement of electronic engineering skills. Download free software and source code, schematics, and tutorials.

Tronnort Technology Home Page Lots of electronics designs available for free. Digital storage cro's, EPROM programmers, logic analyser, and more. Complete schematics, PCB's and articles. Lots of other electroncis info and links.

Used PCB Assembly Equipment Kitmondo is an online marketplace for used PCB assembly equipment, semiconductor equipment and SMT equipment including inspection and automatic test equipment

Virtual Engineer The site provides engineers and other professionals working in the building and construction industries with links to outsourcing, product supplier, software supplier and other technical information on the Internet.

Software and Downloads

Circuit Sage A collection of links and tools for rf/analog circuit design.

SmartDraw Software for Electrical Diagrams Quickly and Easily Create Circuit Diagrams, Schematics, and More in minutes. Free trial download! Use SmartDraw's collection of electrical symbols & templates to help draw diagrams for Electronic Circuits

SmartSketch The award-winning 2D drawing application that gives you the power to create quick sketches, complex engineering designs, production drawings, plot plans, schematics, business diagrams, and more. Free 30-day evaluation.

The Engineers' Club Online Service TEC consults in microwave, millimeter wave circuit and sub-system design, sells RF design software: MxrSpur (spurious analysis), eSeptum (waveguide filters 8GHz and up), free technical resources, ads, web design/hosting.

Career and Employment

All Engineering Schools All Engineering Schools makes it easy to find the engineering colleges that interest you. Search for engineering schools by location, program type, or specialty.

Electronics Jobs - Redline Group Redline Group are a specialist recruitment consultancy catering to the electronics, systems and process control industries. With over 20 years of experience we have a strong dedications to the highest quality standards and levels of integrity.

G.P. Mattocks & Associates G.P. Mattocks & Associates, Inc. specializes in the manufacturing sector. Our office focuses on the rubber, plastic, metal, glass, pharmaceutical, and automotive industries. We seek exceptional Engineers and Managers!

Global Energy Jobs Find Jobs in the Global Energy, Power & Oil Industry

IC Resources Ltd IC Resources are a specialist recruitment consultancy, providing engineering staff specifically to the microelectronics/semiconductor industry. Based in West London we operate on behalf of clients throughout UK, Europe & the rest of the world. is the Web’s leading specialist engineering recruitment site. is 100% free to candidates, providing visitors with career advice, job searches, e-mail alerts and newsletters. is the only Internet Portal For Nuclear Workers, it offers FREE Email service, message boards, chat rooms, and job hunting services. Please tell everyone to come and visit them at

PDH Center PDHcenter is an approved online continuing education provider for professional engineers, land surveyors and architects. Online courses offered by help PE, LS, PLS and AIA earn PDH, CEU and LU credits for their license renewal.

PEAK Techical Services, Inc. PEAK provides you with highly skilled technical professionals when you need contract help on mission-critical projects. We provide the right people right now to help you today, with tomorrow's technical capabilities.

The Source for Space, Aerospace & Defense Jobs Since 1996, SPACEJOBS has been the world's premiere Space, Aerospace and Defense specialty job board. View current openings from some of the world's hottest companies, submit your resume and review the latest news.

Careerjet Careerjet is a search engine that maps an extensive selection of job offerings by listing worldwide job vacancies in one database.

IEEE Links. Is there something here for you? 

The Institution of Engineering and Technology

IEEE Communities

IEEE Women in Engineering (WIE)

New Technology Connections Portal

Online Communities / Technical Collaboration

Standards Working Groups
IEEE Councils

IEEE Council on Electronic Design Automation

IEEE Council on SuperConductivity

IEEE Nanotechnology Council

IEEE Sensors Council

IEEE Systems Council
IEEE Societies

IEEE Aerospace and Electronic Systems Society

IEEE Antennas and Propagation Society

IEEE Broadcast Technology Society

IEEE Circuits and Systems Society

IEEE Communications Society

IEEE Components Packaging, and Manufacturing Technology Society

IEEE Computational Intelligence Society

IEEE Computer Society

IEEE Consumer Electronics Society

IEEE Control Systems Society

IEEE Dielectrics and Electrical Insulation Society

IEEE Education Society

IEEE Electromagnetic Compatibility Society

IEEE Electron Devices Society

IEEE Engineering Management Society

IEEE Engineering in Medicine and Biology Society

IEEE Geoscience & Remote Sensing Society

IEEE Industrial Electronics Society

IEEE Industry Applications Society

IEEE Information Theory Society

IEEE Intelligent Transportation Systems Society

IEEE Instrumentation and Measurement Society

IEEE Lasers & Electro-Optics Society

IEEE Magnetics Society

IEEE Microwave Theory and Techniques Society

IEEE Nuclear and Plasma Sciences Society

IEEE Oceanic Engineering Society

IEEE Power Electronics Society

IEEE Power Engineering Society

IEEE Product Safety Engineering Society

IEEE Professional Communication Society

IEEE Reliability Society

IEEE Robotics & Automation Society

IEEE Signal Processing Society

IEEE Society on Social Implications of Technology

IEEE Solid-State Circuits Society

IEEE Systems, Man, and Cybernetics Society

IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society

IEEE Vehicular Technology Society

Please note that these links are given for information only, Spectrum Group does not imply any recommendation, endorsement or otherwise of these organisations or their web sites. We have no responsibility or liability for the content or availability of these sites and we regret we cannot offer any advice on them

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