| 单词 | printed circuit board |
| 释义 | printed circuit boardWord forms: plural printed circuit boards countable noun A printed circuit board is an electronic circuit in which some of the parts and connections consist of thinmetal lines and shapes on a thin board. [technical]printed circuit board in British Englishnoun an electronic circuit in which certain components and the connections between them are formed by etching a metallic coating or by electrodeposition on one or both sides of a thin insulating board Also called: printed circuit , printed circuit cardprinted circuit board in Electrical Engineering (prɪntɪd sɜrkɪt bɔrd) or PCB Word forms: (regular plural) printed circuit boards noun (Electrical engineering: Semiconductor and electronic circuitry) A printed circuit board is a non-conductive material with conductive lines on it, onto which electronic components can be mounted and connected by traces to form a working circuit or assembly. Several capacitors could be mounted on the printed circuit board, in ratios of five or ten, and switched in for different operating voltages. Modern printed circuit boards are multi-layer with surface components being mounted by machine. A printed circuit board is a non-conductive material with conductive lines on it, onto which electronic componentscan be mounted and connected by traces to form a working circuit or assembly. Word lists with parts of a computer |
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