capacitance impedance

См. также в других словарях:

• capacitance — [ kapasitɑ̃s ] n. f. • 1927; mot angl. ♦ Phys. Impédance d un circuit qui se comporte comme un condensateur. ● capacitance nom féminin En électricité, réactance opposée par une capacité au passage d un courant alternatif sinusoïdal. capacitance… …   Encyclopédie Universelle

• IMPÉDANCE (physique) — IMPÉDANCE, physique Inertie opposée par un système, ou par un milieu, au passage d’un phénomène périodique. L’impédance s’exprime par un nombre complexe, noté Z, égal au rapport entre l’amplitude complexe du phénomène cause et l’amplitude… …   Encyclopédie Universelle

• Capacitance — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. La capacitance peut désigner : l impédance d un condensateur en électricité, elle s exprime en F (Farad). (voir : Capacité électrique) Le… …   Wikipédia en Français

• Capacitance — Electromagnetism Electricity · …   Wikipedia

• impedance —    An electrical property of a cable that combines capacitance (the ability to store an electrical charge), inductance (the ability to store energy in the form of a magnetic field), and resistance (the ability to impede or resist the flow of… …   Dictionary of networking

• impedance — 1. Total opposition to flow. In electricity, when flow is steady, i. is simply the resistance, e.g., the driving pressure per unit flow; when flow is changing, i. also includes the factors that oppose changes in flow. Thus, deviations of i., from …   Medical dictionary

• Nominal impedance — in electrical engineering and audio engineering refers to the approximate designed impedance of an electrical circuit or device. The term is applied in a number of different fields, most often being encountered in respect of: The nominal value of …   Wikipedia

• Electrical impedance — Electromagnetism Electricity · …   Wikipedia

• Focused Impedance Measurement — The Focused Impedance Measurement is a recent technique for measurement of tissue impedance in the human body with improved zone localization compared to conventional methods. This method was proposed and developed at the Biomedical Physics… …   Wikipedia

• Negative impedance converter — The negative impedance converter (NIC) is a one port op amp circuit acting as a negative load which injects energy into circuits in contrast to an ordinary load that consumes energy from them. This is achieved by adding or subtracting excessive… …   Wikipedia

• Characteristic impedance — This article is about impedance in electronics. For impedance of electromagnetic waves, see Wave impedance. For characteristic acoustic impedance, see Acoustic impedance. Schematic representation of a circuit where a source is coupled to a load… …   Wikipedia