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controlling amplifier

См. также в других словарях:

  • Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …   Wikipedia

  • Negative feedback amplifier — Figure 1: Ideal negative feedback model A negative feedback amplifier (or more commonly simply a feedback amplifier) is an amplifier which combines a fraction of the output with the input so that a negative feedback opposes the original signal.… …   Wikipedia

  • Magnetic amplifier — The magnetic amplifier (colloquially known as a mag amp ) is an electromagnetic device for amplifying electrical signals. The magnetic amplifier was invented early in the 20th century, and was used as an alternative to vacuum tube amplifiers… …   Wikipedia

  • LEAK — is the brand name for high fidelity audio equipment made by H. J. Leak Co. Ltd, of London, England. The company was founded in 1934 by Harold Joseph Leak and was sold to the Rank Organisation in January 1969. During the 1950s and 60s, the company …   Wikipedia

  • AGC — A&V Automatic gain control. VP Abbreviation of the term Auto Gain Control. This is a camera feature, which allows filmmakers to automatically adjust their sound levels. TV (automatic gain control) A circuit on most camcorders that automatically… …   Audio and video glossary

  • automatic gain control — TV (AGC) Circuitry found on most camcorders that adjusts incoming audio levelsautomatically to match environmental sound levels. WikiV A circuit for automatically controlling amplifier gain in order to maintain a constant output voltage with a… …   Audio and video glossary

  • Transistor — For other uses, see Transistor (disambiguation). Assorted discrete transistors. Packages in order from top to bottom: TO 3, TO 126, TO 92, SOT 23 A transistor is a semiconductor device used to amplify and switch electronic signals and power. It… …   Wikipedia

  • transistor — /tran zis teuhr/, n. 1. Electronics. a semiconductor device that amplifies, oscillates, or switches the flow of current between two terminals by varying the current or voltage between one of the terminals and a third: although much smaller in… …   Universalium

  • Control4 — is a company located in Salt Lake County, Utah, that manufactures home theater and automation controllers, and which are branded and sold under the same name. Its primary product is a Linux based appliance dubbed a Home Controller which manages… …   Wikipedia

  • History of the transistor — Invention of the transistor= The first patent [patent|US|1745175|Julius Edgar Lilienfeld: Method and apparatus for controlling electric current first filed in Canada on 22.10.1925, describing a device similar to a MESFET] for the field effect… …   Wikipedia

  • Nobel Prizes — ▪ 2009 Introduction Prize for Peace       The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …   Universalium

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