capacitance value

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• Capacitance meter — A capacitance meter is a piece of electronic test equipment used to measure capacitors. Depending on the sophistication of the meter, it may simply display the capacitance or it may also measure a number of other parameters such as leakage,… …   Wikipedia

• Capacitance multiplier — A capacitance multiplier is a transistor configured such that it acts to multiply the value of the capacitor connected to its base by an amount equal to the transistor s current gain (β). This circuit is usually found in DC power supplies where… …   Wikipedia

• Lumped capacitance model — A lumped capacitance model, also called lumped system analysis,[1] reduces a thermal system to a number of discrete “lumps” and assumes that the temperature difference inside each lump is negligible. This approximation is useful to simplify… …   Wikipedia

• Diffusion capacitance — is the capacitance due to transport of charge carriers between two terminals of a device, for example, the diffusion of carriers from anode to cathode in forward bias mode of a diode or from emitter to base (forward biased junction in active… …   Wikipedia

• Jar (unit of capacitance) — A jar was an early unit of capacitance once used by the Royal Navy. [Admiralty Handbook of Wireless Telegraphy, 1931, p.119. HMSO, London.] The term relates to the capacitance of a Leyden jar.Its value was defined such that 1 microFarad = 900… …   Wikipedia

• Guaranteed Minimum Value — GMV redirects here. As an institutional abbreviation in biological and geosciences, it stands for the Geological Museum of China in Beijing. Guaranteed Minimum Value (and its common initialism, GMV) is a term used when the absolute value of a… …   Wikipedia

• Electrolytic capacitor — An electrolytic capacitor is a type of capacitor that uses an ionic conducting liquid as one of its plates. Typically with a larger capacitance per unit volume than other types, they are valuable in relatively high current and low frequency… …   Wikipedia

• Ceramic capacitor — In electronics, a ceramic capacitor is a capacitor constructed of alternating layers of metal and ceramic, with the ceramic material acting as the dielectric. The temperature coefficient depends on whether the dielectric is Class 1 or Class 2. A… …   Wikipedia

• Capacitor (component) — Practical capacitors are often classified according to the material used as the dielectric, with the dielectrics divided into two broad categories: bulk insulators and metal oxide films (so called electrolytic capacitors ). Capacitor… …   Wikipedia

• Pre-charge — of the powerline voltages in a high voltage DC application is a preliminary mode which current limits the power source such that a controlled rise time of the system voltage during power up is achieved.When high voltage systems are designed… …   Wikipedia

• Vacuum variable capacitor — A vacuum variable capacitor uses a high vacuum as the dielectric instead of air or other insulating material. This allows for a higher voltage rating and/or capacitance value using a smaller total volume. In addition to the higher voltage rating… …   Wikipedia