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Schematics. All circuits need Schematic Parts list Layout diagram Circuit description. This is a schematic. Layout on schematic does not equal layout on board Communicates interconnections and function. These are not schematics. Scherz , Practical Electronics for Inventors (2000).
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Schematics • All circuits need • Schematic • Parts list • Layout diagram • Circuit description
This is a schematic Layout on schematic does not equal layout on board Communicates interconnections and function
Scherz, Practical Electronics for Inventors (2000) Common Symbols
Use computer, or draw freehand with graph paper underlay Draw components first, then make connections Space components, no crowding Label all parts Signals flow left-to-right Look in books for examples Align wires horizontally or vertically All wires are straight lines All lettering block caps Include a title block Supplement with a bill of materials Hints for Schematics
Freeware computer packages • www.expresspcb.com • Eagle Light, www.cadsoft.de