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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 amplifier ： ウィキペディア英語版 Linear amplifier A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. The term usually refers to a type of radio-frequency (RF) power amplifier, some of which have output power measured in kilowatts, and are used in amateur radio. Other types of linear amplifier are used in audio and laboratory equipment. == Explanation == Linearity refers to the ability of the amplifier to produce signals that are accurate copies of the input, generally at increased power levels. Load impedance, supply voltage, input bias current, and power output capabilities can affect the efficiency of the amplifier. Class-A amplifiers can be designed to have good linearity in both ''single ended'' and ''push-pull'' topologies. Amplifiers of classes AB1, AB2 and B can be linear only in the push-pull topology, in which two active elements (tubes, transistors) are used to amplify positive and negative parts of the RF cycle respectively. Class-C amplifiers are not linear in any topology. 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 amplifier」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.