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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 Common base ： ウィキペディア英語版 Common base In electronics, a common base (also known as grounded-base) amplifier is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a current buffer or voltage amplifier. In this circuit the emitter terminal of the transistor serves as the input, the collector the output, and the base is connected to ground, or "common", hence its name. The analogous field-effect transistor circuit is the common gate amplifier. == Simplified Operation == As current is sunk from the emitter this provides potential difference so causing the transistor to conduct.〔http://www.allaboutcircuits.com/vol_3/chpt_4/7.html〕 The current conducted via the collector is proportional to the voltage across the base-emitter junction, accounting for the bias, as with other configurations.〔http://hyperphysics.phy-astr.gsu.edu/hbase/solids/basemit.html#c1〕 Therefore, if no current is sunk at the emitter the transistor does not conduct. 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「Common base」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.