space-charge grid

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• Space charge — is a concept in which excess electric charge is treated as a continuum of charge distributed over a region of space (either a volume or an area) rather than distinct point like charges. This model typically applies when charge carriers have been… …   Wikipedia

• space charge — n. Electronics the negative electric charge within a cloud of electrons that is located in one of the spaces between electrodes, usually the cathode and first grid, in a vacuum tube …   English World dictionary

• Grid leak — is the small current through the grid of a thermionic valve into the circuit which feeds the grid. It is an inherent operating characteristic of triodes and other vacuum tubes.This current is caused by the small negative EMF which is present in… …   Wikipedia

• Space-based solar power — Left: Part of the solar energy is lost on its way through the atmosphere by the effects of reflection and absorption. Right: Space based solar power systems convert sunlight to microwaves outside the atmosphere, avoiding these losses, and the… …   Wikipedia

• Space solar power — Space based solar power (SBSP or SSP) is the conversion of solar energy into power, usable either in space or on earth, from a location in space, usually geosynchronous orbit (GSO). Photovoltaics (PV) would generally be utilized for energy… …   Wikipedia

• Space Shuttle — STS redirects here. For other uses, see STS (disambiguation). This article is about the NASA Space Transportation System vehicle. For the associated NASA STS program, see Space Shuttle program. For other shuttles and aerospace vehicles, see… …   Wikipedia

• Charge-coupled device — A specially developed CCD used for ultraviolet imaging in a wire bonded package. A charge coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for… …   Wikipedia

• Charge controller — A charge controller, charge regulator or battery regulator limits the rate at which electric current is added to or drawn from electric batteries. [1] It prevents overcharging and may prevent against overvoltage, which can reduce battery… …   Wikipedia

• Space Dungeon — Infobox VG title = Space Dungeon developer = Taito Corporation publisher = Taito Corporation designer = Rex Battenberg release = 1981 genre = Multi directional shooter modes = Up to 2 players, alternating turns cabinet = Standard arcade system =… …   Wikipedia

• Space Shuttle Columbia disaster — For further information about Columbia s mission and crew, see STS 107. STS 107 mission patch The Space Shuttle Columbia disaster occurred on February 1, 2003, when shortly before it was scheduled to conclude its 28th mission, STS 107, the Space… …   Wikipedia

• Smart grid — Public infrastructure …   Wikipedia