power-amplifier transistor

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• RF power amplifier — An RF power amplifier is a type of electronic amplifier used to convert a low power radio frequency signal into a larger signal of significant power, typically for driving the antenna of a transmitter. It is usually optimized to have high… …   Wikipedia

• Transistor–transistor logic — (TTL) is a class of digital circuits built from bipolar junction transistors (BJT), and resistors. It is called transistor–transistor logic because both the logic gating function (e.g., AND) and the amplifying function are performed by… …   Wikipedia

• Transistor models — Transistors are complicated devices. In order to ensure the reliable operation of circuits employing transistors, it is necessary to scientifically model the physical phenomena observed in their operation using transistor models. There exists a… …   Wikipedia

• 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

• Amplifier — For other uses, see Amplifier (disambiguation). Generally, an amplifier or simply amp, is a device for increasing the power of a signal. In popular use, the term usually describes an electronic amplifier, in which the input signal is usually a… …   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

• Transistor radio — This article is about an electronic device. For the fourth studio album by M. Ward, see Transistor Radio.A transistor radio is a small transistor based radio receiver. Historically, the term transistor radio refers to a radio that is monaural and …   Wikipedia

• amplifier — Synonyms and related words: attenuator, audio frequency tube, ballast regulator, ballast tube, beam switching tube, convertor, current regulator, damper, detector, discriminator, doubler, ear trumpet, electronic hearing aid, focus tube, generator …   Moby Thesaurus

• amplifier — /ˈæmpləfaɪə / (say ampluhfuyuh) noun 1. someone who amplifies or enlarges. 2. Electricity a device for increasing the amplitudes of electric waves or impulses by means of the control exercised by the input over the power supplied to the output… …  

• 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

• Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …   Wikipedia