Abstract
This chapter presents an introduction to printed circuit board (PCB) design and computer-aided design (CAD). It introduces the process by which PCBs are manufactured and presents a description of the CAD and the OrCAD design suite. The computer-aided engineering tools are described, and the aspects of engineering design from drawings to analysis to manufacturing are outlined. The key to successful project design and production is the understanding the PCB itself and the knowledge of how to use the tools that build the PCB. Therefore, the chapter looks at how PCBs are manufactured and provides an understanding of the layouts. A PCB consists of two basic parts—a substrate (the board) and printed wires (the copper traces). Layout is used to design the PCB by generating a digital description of the board layers for photoplotters and computer numerical control (CNC) machines, which are used to manufacture the boards. Various design files created by layout are listed in the chapter.
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