...It is particularly characterized by its ability to measure Brownian motion and thermal noise to the limit. A type of DC amplifier that converts and amplifies a minute current into AC and indicates it is used for the same purpose as a galvanometer, so it is called an electronic galvanometer and is gradually replacing the moving coil type galvanometer. [Hiroyuki Hirayama]. ... *Some of the terminology used to refer to "moving coil galvanometer" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…とくにブラウン運動,熱雑音の限界までの測定が可能な点で特徴がある。微小電流を交流変換増幅して指示させるタイプの直流増幅器は,検流計と同様な目的に用いられるので,電子式検流計と呼び,しだいに可動コイル形検流計に代わりつつある。【平山 宏之】。… ※「可動コイル形検流計」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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