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Schematic
From Wikipedia, the free encyclopedia
A schematic is a diagram that represents the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the information the schematic is intended to convey, and may add unrealistic elements that aid comprehension. For example, a subway map intended for riders may represent a subway station with a dot; the dot doesn't resemble the actual station at all but gives the viewer the information he needs without unnecessary visual clutter. A schematic diagram of a chemical process uses symbols to represent the vessels, piping, valves, pumps, and other equipment of the system, emphasizing their interconnection paths and suppressing physical details. In an electronic circuit diagram, the layout of the symbols may not resemble the layout in the physical circuit. In the schematic diagram, the symbolic elements are arranged to be more easily interpreted by the viewer.
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Electronic industry
In electronic design automation, until the 1980s schematics were virtually the only formal representation for circuits. More recently, with the progress of computer technology, other representations were introduced and specialized computer languages were developed, since with the explosive growth of the complexity of electronic circuits, traditional schematics are becoming less practical. For example, hardware description languages are indispensable for modern digital circuit design.
Schematics for electronic circuits are prepared by designers using EDA (Electronic Design Automation) tools called schematic capture tools or schematic entry tools. These tools go beyond simple drawing of devices and connections. Usually they are integrated into the whole IC design flow and linked to other EDA tools for verification and simulation of the circuit under design.
Schematics in repair manuals
Schematic diagrams are used extensively in repair manuals to help users understand the relative position of parts and to provide graphical instruction to assist in taking apart and rebuilding mechanical assemblies. Many automotive and motorcycle repair manuals devote a significant number of pages to schematic diagrams.
See also
| Electronics Portal |
- OrCAD or Eagle (program) Software for electronic schematics and for manufacture of printed circuit boards.
- Edwinxp – Totally Integrated Schematic Capture, Simulation Software and PCB design.
- NI Multisim Electronic schematic capture and simulation software
Related article
- Circuit diagram
External links
- WebEE Schematics and Projects Many Circuits and Electronic Projects.
- Discover Circuits Large collection of electronic circuit schematics.
Categories: Electronic design automation | Technical communication | Infographics
