We've included this handy glossary to help with the terminology & abbreviations relating to power products. Pick a letter below to begin, or download the glossary to refer to it whenever you like.A B C D E F G H I J K L M N O P Q R S T U V W X-Z #
Related to direct-current electricity or dc.
Separation of the signal/power source (or sink) in such a way that dc current cannot bridge the connection. There are two generally accepted methods for galvanic isolation: use of transformers or use of optical isolators. Both allow the ac component of a signal to pass, but not the dc component.
SI prefix multiplier. Multiplies by 109. So 100 GHz = 100 x 109 Hz. Written as 'giga'. Abbreviated to 'G'.
An unwanted transient voltage spike occurring on a signal.
Abbreviation of General Purpose Interface Bus.
A conducting connection, whether intentional or accidental, by which an electric circuit or equipment is connected to earth, or to some conducting body that serves in place of earth.
A bus, grounded in at least one place, to which individual grounds in a system are attached.
Interconnected bare conductor arranged in a pattern over a specified area, laid out on or below the earth’s surface.
A condition that occurs when there is more than one ground connection path between two pieces of equipment or circuits. These multiple paths produce a similar effect to a loop antenna which will pick up and radiate interference.
1) A layer of copper on a PCB providing a low impedance ground return to all circuit elements needing it. Also for shielding.
2) A conductive surface serving as the circuit reference ground or as a near-field reflection point for an antenna.
A metal rod, usually copper clad, driven into the earth to serve as a ground terminal.
Connected to a common reference point (usually earth).