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Definition of "Printed Circuit Board" |
A device used to hold integrated circuit components in place and provide current paths from component to component. Copper pathways are etched into the board with acid. / [PCB] A flat, insulating surface upon which printed wiring and miniaturized components are connected in a predetermined design and attached to a common base. / A printed circuit board, is a non conductive material with conductive lines printed or etched. Electronic components are mounted on the board and the traces connect the components together to form a working circuit or assembly. A PC board can have conductors on one side or two sides and can be multi layer — a sandwich with many layers of conductors, each separated by insulating layers. The most common circuit boards are made of plastic or glass fiber and resin composites and use copper traces, but a wide variety of other materials may be used. Most PCBs are flat and rigid but flexible substrates can allow boards to fit in convoluted spaces. / A printed circuit board mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate. PCBs can be single sided, double sided or multi-layer. Conductors on different layers are connected with plated-through holes called vias. Advanced PCBs may contain components - capacitors, resistors or active devices - embedded in the substrate. / A printed circuit board mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non conductive substrate. PCBs can be single sided , double sided or multi layer. Conductors on different layers are connected with plated-through holes called vias. Advanced PCBs may contain components - capacitors, resistors or active devices embedded in the substrate. / A signal that intentionally introduces interference into a communication channel, either to intentionally prevent error-free reception or as a means of advising . |
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