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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Linear circuit ： ウィキペディア英語版 Linear circuit A linear circuit is an electronic circuit in which, for a sinusoidal input voltage of frequency ''f'', any steady-state output of the circuit (the current through any component, or the voltage between any two points) is also sinusoidal with frequency ''f''. Note that the output need not be in phase with the input. An equivalent definition of a linear circuit is that it obeys the superposition principle. This means that the output of the circuit ''F(x)'' when a linear combination of signals ''ax1(t) + bx2(t)'' is applied to it is equal to the linear combination of the outputs due to the signals ''x1(t)'' and ''x2(t)'' applied separately: :$F(ax\_1\; +\; bx\_2)\; =\; aF(x\_1)\; +\; bF(x\_2)\backslash ,$ Informally, a linear circuit is one in which the values of the electronic components, the resistance, capacitance, inductance, gain, etc. don't change with the level of voltage or current in the circuit. Linear circuits are important because they can amplify and process electronic signals without distortion. An example of an electronic device that uses linear circuits is a sound system. ==Linear and nonlinear components== A linear circuit is one that has no nonlinear electronic components in it. Examples of linear circuits are amplifiers, differentiators, and integrators, linear electronic filters, or any circuit composed exclusively of ''ideal'' resistors, capacitors, inductors, op-amps (in the "non-saturated" regime), and other "linear" circuit elements. Some examples of nonlinear electronic components are: diodes, transistors, and iron core inductors and transformers when the core is saturated. Some examples of circuits that operate in a nonlinear way are mixers, modulators, rectifiers, radio receiver detectors and digital logic circuits. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Linear circuit」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.