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A line filter is the kind of electronic filter that is placed between an electronic equipment and a line external to it, to attenuate conducted radio frequencies -- RFI, also known as electromagnetic interference (EMI) -- between the line and the equipment. In particular, an AC Line Filter is used between the AC power line and the equipment. == Types of line filters == * A Line Filter may be incorporated in a connector. For example: * * An AC Line Filter may be incorporated in a modular IEC 60320 power inlet connector or Power Entry Module * * A telephone line filter may be incorporated in a modular RJ11 connector * A line filter may be mounted on a PCB * An AC line filter may be a stand-alone device, chassis mounted inside the equipment * A facility AC Line Filter is mounted inside a room or cabinet, at the point where the AC power comes in 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「line filter」の詳細全文を読む スポンサード リンク
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