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3C-2V is commonly marked on low cost coaxial cable used for domestic TV signals. It is one of the options of the Japanese cable standard JIS C 3501. * The 3 indicates approx diameter of the conductive core (=0.5 mm) * The C indicates a characteristic impedance of 75 ohms * The 2 indicates a solid PE dielectric core * The V indicates a single braided outer conductor (W would be double) Nominal loss at 100 MHz is 42 dB/km.〔http://www.prolog.com.hk/images/Download/JIS%20Coaxial%20Cable.pdf JIS C 350〕 With its narrow core it is similar to RG-59 cable; RG-6 coax cable is better shielded and has lower losses. ==References== 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「3C-2V」の詳細全文を読む スポンサード リンク
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