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Definitions (96)
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solder wick
A band of wire removes molten solder away from a solder joining or a solder bridge or just for desoldering.
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fine pitch
Fine pitch is more commonly referred to surface-mount components with a lead pitch of 25 mils or less.
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active components
Semiconductor devices, such as transistors and diodes that can change its basic characteristics in a powered electrical circuit, such as amplifiers and rectifiers.
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analog circuit
An electrical circuit that provides a continuous quantitative output as a response from its input.
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annular ring
The width of the conductor pad surrounding a drilled hole.
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artwork
Printed circuit design.
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aspect ratio
The ratio of the board thickness to the smallest-hole diameter of the printed circuit board.
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assembly file
A drawing describing the locations of components on a PCB.
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automated test equipment
Equipment that automatically tests and analyzes functional parameters to evaluate performance of the tested electronic devices.
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ball grid array
A SMD package in which solder ball interconnects cover the bottom surface of the package.
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