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2. Printed circuit board - Wikipedia

   en.wikipedia.org/wiki/Printed_circuit_board

   Printed circuit board of a DVD player. Part of a 1984 Sinclair ZX Spectrum computer board, a printed circuit board, showing the conductive traces, the through-hole paths to the other surface, and some electronic components mounted using through-hole mounting. A printed circuit board ( PCB ), also called printed wiring board ( PWB ), is a medium ...

3. Electronic circuit - Wikipedia

   en.wikipedia.org/wiki/Electronic_circuit

   A circuit built on a printed circuit board (PCB). An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through which electric current can flow. It is a type of electrical circuit. For a circuit to be referred to as ...

4. Motherboard - Wikipedia

   en.wikipedia.org/wiki/Motherboard

   A motherboard (also called mainboard, maincircuit board, MB, base board, system board, or, in Apple computers, logic board) is the main printed circuit board (PCB) in general-purpose computers and other expandable systems. It holds and allows communication between many of the crucial electronic components of a system, such as the central ...

5. Reference designator - Wikipedia

   en.wikipedia.org/wiki/Reference_designator

   Reference designator. A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board. The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15. The number is sometimes followed by a letter, indicating that components are ...

6. Ball grid array - Wikipedia

   en.wikipedia.org/wiki/Ball_grid_array

   Ball grid array. A grid array of solder balls on a printed circuit board after removal of an integrated circuit chip. Cross-cut section of BGA mounted circuit. A ball grid array ( BGA) is a type of surface-mount packaging (a chip carrier) used for integrated circuits. BGA packages are used to permanently mount devices such as microprocessors.

7. List of integrated circuit packaging types - Wikipedia

   en.wikipedia.org/wiki/List_of_integrated_circuit...

   Quad flat package ( QFP ): various sizes, with pins on all four sides. Low-profile quad flat-package ( LQFP ): 1.4 mm high, varying sized and pins on all four sides. Plastic quad flat-pack ( PQFP ), a square with pins on all four sides, 44 or more pins. Ceramic quad flat-pack ( CQFP ): similar to PQFP.