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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 Isolation transformer (dry) ： ウィキペディア英語版 Isolation transformer (dry) An line isolation transformer for telephone use is a special type of impedance matching transformer that is used to couple telephone land lines to subscriber equipment to prevent dangerous common mode voltages from appearing on the line. It has a specific 600Ω input impedance which matches the telephone equipment. Its primary winding may or may not have a direct current passing through it. It is also made with a gapped magnetic core that is not used in normal transformers. == See also == * Isolation transformer 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「Isolation transformer (dry)」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.