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home > circuit
The process of circuit design can cover systems ranging from complex electronic systems all the way down to the individual transistors within an integrated circuit. For simple circuits the design process can often be done by one person without needing a planned or structured design process, but for more complex designs, teams of designers following a systematic approach with intelligently guided computer simulation are becoming increasingly common. Formal circuit design usually involves the following stages: sometimes, writing the requirement specification after liaising with the customer writing a technical proposal to meet the requirements of the customer specification synthesising on paper a schematic circuit diagram, an abstract electrical or electronic circuit that will meet the specifications calculating the component values to meet the operating specifications under specified conditions performing simulations to verify the correctness of the design building a breadboard or other prototype version of the design and testing against specification making any alterations to the circuit to achieve compliance choosing a method of construction as well as all the parts and materials to be used presenting component and layout information to draughtspersons, and layout and mechanical engineers, for prototype production testing or type-testing a number of prototypes to ensure compliance with customer reqiurements signing and approving the final manufacturing drawings post-design services (obsolescence of components etc.) Source: Wikipedia (http://en.wikipedia.org/wiki/Circuit_design)

Here are the best overviews and tutorials for circuit:

tutorial, 5 stars
Lessons In Electric Circuits
This introduction comes from the operating manual for a circuit simulation program called Electronics Workbench. Using a graphic interface, it allows the user to draw a circuit schematic and then have the computer analyze that circuit, displaying the results in graphic form. It is a very valuable analysis tool, but it has its shortcomings. For one, it and other graphic programs like it tend to be unreliable when analyzing complex circuits,...

tutorial, 4 stars
SPICE Tutorial
LTSpice is another version of SPICE. The tutorial for LTSpice is modified from this one, so if you found the layout of this one useful, you will probably find the LTSpice tutorial easy to follow. LTSpice is more freely available than PSpice, and it runs under WINE on Linux as well. I. Opening PSpice II. Drawing the circuit Getting the Parts Placing the Parts Connecting the Circuit Changing the Name of the Part Changing the...

overview, 4 stars
Integrated circuit design @ Wikipedia
Integrated circuit design, or IC design, is a subset of electrical engineering, encompassing the particular logic and circuit design techniques required to design integrated circuits, or ICs. ICs consist of miniaturized electronic components built into an electrical network on a monolithic semiconductor substrate by photolithography. IC design can be divided into the broad categories of digital and analog IC design. Digital IC design is...

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