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Capacitors

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Topics covered

Capacitors Capacitor Specifications Preferred Values: Capacitors Capacitor Markings Examples: Capacitor Markings Capacitor Symbols Capacitor Construction Capacitors in Series Capacitors in Parallel Examples: Capacitors in Circuits Variable Capacitors

A capacitor is a device for storing electric charge. In effect, it is a reservoir into which charge can be deposited and then later extracted. Typical applications include reservoir and smoothing capacitors for use in power supplies, coupling a.c. signals between the stages of amplifiers, and decoupling supply rails (i.e., effectively grounding the supply rails as far as a.c. signals are concerned).

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