{"id":2208,"date":"2025-09-29T14:30:40","date_gmt":"2025-09-29T06:30:40","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&#038;p=2208"},"modified":"2025-09-29T14:30:40","modified_gmt":"2025-09-29T06:30:40","slug":"coaxial-surge-protection-device-explained-working-benefits-and-applications","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/el\/blog\/coaxial-surge-protection-device-explained-working-benefits-and-applications\/","title":{"rendered":"\u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u0395\u03c0\u03b5\u03be\u03ae\u03b3\u03b7\u03c3\u03b7: \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1, \u039f\u03c6\u03ad\u03bb\u03b7 \u03ba\u03b1\u03b9 \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2"},"content":{"rendered":"<h2><strong><b>1. \u0395\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae<\/b><\/strong><\/h2>\r\n\u03a4\u03b1 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03b5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2, \u03ba\u03ad\u03bd\u03c4\u03c1\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03b5\u03c0\u03b9\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2. \u0395\u03bd\u03ce \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c0\u03bf\u03bb\u03cd \u03b5\u03c5\u03ac\u03bb\u03c9\u03c4\u03b1 \u03c3\u03b5 \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2. \u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b1\u03c0\u03c1\u03bf\u03c3\u03b4\u03cc\u03ba\u03b7\u03c4\u03b1 \u03c3\u03c5\u03bc\u03b2\u03ac\u03bd\u03c4\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03c3\u03bf\u03b2\u03b1\u03c1\u03ae \u03b6\u03b7\u03bc\u03b9\u03ac \u03c3\u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03bf \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc, \u03bc\u03b5 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b4\u03b1\u03c0\u03b1\u03bd\u03b7\u03c1\u03ae \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2. \u0395\u039d\u0391 <a href=\"https:\/\/www.britecelectric.com\/el\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>\u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong><\/a>\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03bb\u03cd\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c3\u03c6\u03b1\u03bb\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c4\u03c9\u03bd \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03b4\u03b9\u03ba\u03c4\u03cd\u03c9\u03bd. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03ac\u03c1\u03b8\u03c1\u03bf \u03b5\u03be\u03b7\u03b3\u03b5\u03af <strong>\u03c4\u03b9 \u03b1 <a href=\"https:\/\/www.britecelectric.com\/el\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\">\u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/a> \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2, \u03c4\u03b1 \u03bf\u03c6\u03ad\u03bb\u03b7, \u03bf\u03b9 \u03c4\u03cd\u03c0\u03bf\u03b9, \u03bf\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2, \u03bf\u03b9 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2<\/strong>.\r\n\r\n<a href=\"https:\/\/www.britecelectric.com\/el\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><img class=\"alignnone size-full wp-image-2209\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/09\/Coaxial-Surge-Protection-Device-Explained-Working-Benefits-and-Applications.png\" alt=\"\" width=\"476\" height=\"476\" \/><\/a>\r\n<h2><strong><b>2. \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2;<\/b><\/strong><\/h2>\r\n<h3><strong><b>2-1 \u039f\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1<\/b><\/strong><\/h3>\r\nA <a href=\"https:\/\/www.britecelectric.com\/el\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>\u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong><\/a>\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc 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\u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03bf\u03cd \u03b3\u03b5\u03af\u03c9\u03c3\u03b7\u03c2. \u0397 \u03ba\u03cd\u03c1\u03b9\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03bc\u03b1\u03ba\u03c1\u03b9\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc, \u03b5\u03bd\u03ce \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.\r\n<h3><strong><b>2-2 \u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/b><\/strong><\/h3>\r\n\u03a4\u03b1 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b5\u03b3\u03ba\u03b1\u03b8\u03af\u03c3\u03c4\u03b1\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c3\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03c3\u03c3\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2, \u03b5\u03c3\u03c4\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, <strong>\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2<\/strong>\u00a0\u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c3\u03c5\u03c7\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b5\u03c5\u03c1\u03c5\u03b6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03c3\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2. \u03a0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ad\u03c2 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b4\u03b5\u03bd \u03c5\u03c0\u03bf\u03b2\u03b1\u03b8\u03bc\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b5\u03bd\u03ce \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03bf\u03bb\u03ae \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd.\r\n<h3><strong><b>2-3 \u03a1\u03cc\u03bb\u03bf\u03c2 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03bf\u03cd \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5<\/b><\/strong><\/h3>\r\n\u03a7\u03c9\u03c1\u03af\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1, \u03c4\u03b1 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03b1\u03bd \u03ba\u03b5\u03c1\u03b1\u03af\u03b5\u03c2, \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b1\u03c0\u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2. \u0395\u039d\u0391 <a href=\"https:\/\/www.britecelectric.com\/el\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>\u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong><\/a>\u00a0\u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae <strong>\u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03bf\u03cd \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5<\/strong>, \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03b2\u03bb\u03ac\u03b2\u03b7 \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b1\u03b4\u03b9\u03ac\u03bb\u03b5\u03b9\u03c0\u03c4\u03b7 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1.\r\n<h2><strong><b>3. \u03a0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03bf\u03b9 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/b><\/strong><\/h2>\r\n<h3><strong><b>3-1 \u0391\u03c1\u03c7\u03ae \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2<\/b><\/strong><\/h3>\r\n\u0397 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03b1\u03c1\u03c7\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 <strong>\u03b5\u03ba\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03c3\u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2<\/strong>. \u038c\u03c4\u03b1\u03bd \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03cc\u03c4\u03bf\u03bc\u03b7 \u03c4\u03ac\u03c3\u03b7, \u03c4\u03bf \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b1\u03bd\u03c4\u03b1\u03c0\u03bf\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2, \u03b1\u03bd\u03b1\u03ba\u03b1\u03c4\u03b5\u03c5\u03b8\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7 \u03bc\u03b1\u03ba\u03c1\u03b9\u03ac \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03bf \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc.\r\n<h3><strong><b>3-2 \u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03b5\u03be\u03b1\u03c1\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03bc\u03c0\u03bb\u03ad\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/b><\/strong><\/h3>\r\n<strong>\u03a3\u03c9\u03bb\u03ae\u03bd\u03b5\u03c2 \u03b5\u03ba\u03ba\u03ad\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b1\u03b5\u03c1\u03af\u03bf\u03c5 (GDTs):<\/strong>\u00a0\u03a7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03b5\u03af\u03c4\u03b5 \u03c5\u03c8\u03b7\u03bb\u03ac \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2.\r\n\r\n<strong>\u039a\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 Stub Quarter-Wave:<\/strong>\u00a0\u03a6\u03b9\u03bb\u03c4\u03c1\u03ac\u03c1\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2.\r\n\r\n<strong>\u03a5\u03b2\u03c1\u03b9\u03b4\u03b9\u03ba\u03ac \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03b1:<\/strong>\u00a0\u03a3\u03c5\u03bd\u03b4\u03c5\u03ac\u03c3\u03c4\u03b5 GDT \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c3\u03c4\u03b5\u03c1\u03b5\u03ac\u03c2 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1.\r\n<h3><strong><b>3-3 \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u039a\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03bd \u03ba\u03b1\u03b9 \u03a3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03bf\u03c5 \u0395\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd<\/b><\/strong><\/h3>\r\n\u03a4\u03bf \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf \u03b5\u03bd \u03c3\u03b5\u03b9\u03c1\u03ac \u03bc\u03b5 \u03c4\u03bf \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03cc \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03bf. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03ad\u03bb\u03b5\u03c5\u03c3\u03b7 \u03c3\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03b5 \u03b5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1. \u038c\u03c4\u03b1\u03bd \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03cd\u03bc\u03b1, \u03c3\u03c5\u03c3\u03c6\u03af\u03b3\u03b3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03c1\u03bf\u03bc\u03bf\u03bb\u03bf\u03b3\u03b5\u03af \u03c3\u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03bc\u03cc\u03bd\u03c4\u03b5\u03bc, \u03b4\u03c1\u03bf\u03bc\u03bf\u03bb\u03bf\u03b3\u03b7\u03c4\u03ad\u03c2, \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2 \u03ae \u03ba\u03ac\u03bc\u03b5\u03c1\u03b5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03c2.\r\n<h2><strong><b>4. \u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/b><\/strong><\/h2>\r\n<h3><strong><b>4-1 \u03a0\u03c1\u03cc\u03bb\u03b7\u03c8\u03b7 \u03b2\u03bb\u03ac\u03b2\u03b7\u03c2 \u03c3\u03c4\u03bf\u03bd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2<\/b><\/strong><\/h3>\r\n\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03bf \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03b1\u03c0\u03cc \u03bc\u03b7 \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c8\u03b9\u03bc\u03b5\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.\r\n<h3><strong><b>4-2 \u039c\u03b5\u03af\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c3\u03b5 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1<\/b><\/strong><\/h3>\r\n\u0395\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ad\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03c3\u03b5 \u03ba\u03ad\u03bd\u03c4\u03c1\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03c4\u03b7\u03bb\u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2.\r\n<h3><strong><b>4-3 \u0392\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03bc\u03b1\u03ba\u03c1\u03bf\u03c0\u03c1\u03cc\u03b8\u03b5\u03c3\u03bc\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2<\/b><\/strong><\/h3>\r\n\u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf\u03c3\u03cd\u03bd\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.\r\n<h3><strong><b>4-4 \u0395\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7 \u03ba\u03cc\u03c3\u03c4\u03bf\u03c5\u03c2 \u03bc\u03ad\u03c3\u03c9 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u0395\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd<\/b><\/strong><\/h3>\r\n\u0391\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03b1\u03c0\u03b1\u03bd\u03b7\u03c1\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03ae \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03bc\u03b9\u03b1 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03ad\u03bd\u03b4\u03c5\u03c3\u03b7.\r\n<h2><strong><b>5. \u03a4\u03cd\u03c0\u03bf\u03b9 \u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7<\/b><\/strong><\/h2>\r\n<h3><strong><b>5-1 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03b5\u03ba\u03ba\u03ad\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b1\u03b5\u03c1\u03af\u03bf\u03c5<\/b><\/strong><\/h3>\r\n\u0391\u03c0\u03bb\u03cc, \u03c0\u03c1\u03bf\u03c3\u03b9\u03c4\u03cc \u03ba\u03b1\u03b9 \u03b9\u03ba\u03b1\u03bd\u03cc \u03bd\u03b1 \u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2.\r\n<h3><strong><b>5-2 \u03c4\u03b5\u03c4\u03b1\u03c1\u03c4\u03bf\u03ba\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03b5\u03bb\u03ad\u03c7\u03bf\u03c5\u03c2<\/b><\/strong><\/h3>\r\n\u0399\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03b5\u03b9\u03b4\u03b9\u03ba\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c6\u03c9\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b4\u03bf\u03c1\u03c5\u03c6\u03bf\u03c1\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1.\r\n<h3><strong><b>5-3 \u03a5\u03b2\u03c1\u03b9\u03b4\u03b9\u03ba\u03ad\u03c2 \u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2<\/b><\/strong><\/h3>\r\n\u03a3\u03c5\u03bd\u03b4\u03c5\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd GDT \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c3\u03c4\u03b5\u03c1\u03b5\u03ac\u03c2 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b7 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03b2\u03b1\u03c1\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1.\r\n<h3><strong><b>5-4 \u03a3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c4\u03cd\u03c0\u03c9\u03bd<\/b><\/strong><\/h3>\r\n<strong>GDTs:<\/strong>\u00a0\u0393\u03b5\u03bd\u03b9\u03ba\u03ae \u03c7\u03c1\u03ae\u03c3\u03b7, \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2, \u03ba\u03b1\u03bb\u03ae \u03b9\u03ba\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c5\u03c0\u03b5\u03c1\u03c7\u03b5\u03af\u03bb\u03b9\u03c3\u03b7\u03c2.\r\n\r\n<strong>\u03a3\u03c4\u03ad\u03bb\u03b5\u03c7\u03bf\u03c2 \u03c4\u03b5\u03c4\u03ac\u03c1\u03c4\u03bf\u03c5 \u03ba\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd:<\/strong>\u00a0\u0395\u03b9\u03b4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1, \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bb\u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ad\u03c2.\r\n\r\n<strong>\u03a5\u03b2\u03c1\u03af\u03b4\u03b9\u03b1:<\/strong>\u00a0\u03a5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b3\u03b9\u03b1 \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ad\u03c2 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae.\r\n<h2><strong><b>6. \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u039a\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd<\/b><\/strong><\/h2>\r\n<h3><strong><b>6-1 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2<\/b><\/strong><\/h3>\r\n\u0391\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf \u03b3\u03b9\u03b1 \u03c3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ce\u03bd, \u03b5\u03c5\u03c1\u03c5\u03b6\u03c9\u03bd\u03b9\u03ba\u03ac \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c3\u03c5\u03c7\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd.\r\n<h3><strong><b>6-2 \u03a7\u03c1\u03ae\u03c3\u03b7 \u03c3\u03b5 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c4\u03b7\u03bb\u03b5\u03bf\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ad\u03c2, \u03ba\u03ad\u03bd\u03c4\u03c1\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bb\u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03b1\u03ba\u03ac \u03b4\u03af\u03ba\u03c4\u03c5\u03b1<\/b><\/strong><\/h3>\r\n\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03cd\u03c1\u03b3\u03bf\u03c5\u03c2 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ae\u03c2, \u03c4\u03b1 \u03ba\u03ad\u03bd\u03c4\u03c1\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03ba\u03bf\u03c1\u03bc\u03bf\u03cd \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.\r\n<h3><strong><b>6-3 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03c1\u03c5\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd, \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03bf\u03cd \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03b7\u03bb\u03b5\u03cc\u03c1\u03b1\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03b1\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2<\/b><\/strong><\/h3>\r\n\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03bf\u03c1\u03c5\u03c6\u03bf\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b4\u03ad\u03ba\u03c4\u03b5\u03c2, \u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b1\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03b7\u03c2 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2 \u03cc\u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1.\r\n<h2><strong><b>7. \u0395\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7<\/b><\/strong><\/h2>\r\n<h3><strong><b>7-1 \u0392\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7<\/b><\/strong><\/h3>\r\n\u0395\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03c4\u03b5 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf <strong>\u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03ba\u03c4\u03b9\u03c1\u03af\u03bf\u03c5<\/strong>\u00a0or close to sensitive equipment.\r\n\r\nUse short, direct grounding wires.\r\n\r\nEnsure frequency compatibility with the coaxial system.\r\n<h3><strong><b>7-2 \u03a3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u0393\u03b5\u03af\u03c9\u03c3\u03b7\u03c2<\/b><\/strong><\/h3>\r\n\u0397 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b3\u03b5\u03af\u03c9\u03c3\u03b7. \u039c\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03b3\u03b5\u03af\u03c9\u03c3\u03b7\u03c2 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03b3\u03b9\u03b1 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1.\r\n<h3><strong><b>7-3 \u039a\u03bf\u03b9\u03bd\u03ac \u03bb\u03ac\u03b8\u03b7 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03b5\u03c4\u03b5<\/b><\/strong><\/h3>\r\nUsing incorrect connector types.\r\n\r\nFailing to inspect grounding connections.\r\n\r\nInstalling too far from entry points, reducing effectiveness.\r\n<h2><strong><b>8. \u0391\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd<\/b><\/strong><\/h2>\r\n<h3><strong><b>8-1 \u03a0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7<\/b><\/strong><\/h3>\r\n<strong>\u039f\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c3\u03cd\u03c3\u03c6\u03b9\u03be\u03b7\u03c2<\/strong>\r\n\r\n<strong>\u03a7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2<\/strong>\r\n\r\n<strong>\u0391\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03b5 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong>\r\n<h3><strong><b>8-2 \u0391\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03a3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2<\/b><\/strong><\/h3>\r\n\u0395\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03bf\u03b4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03b4\u03b9\u03ac\u03b2\u03c1\u03c9\u03c3\u03b7, \u03c6\u03b8\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03b5\u03c4\u03ae\u03c1\u03b1 \u03ae \u03bc\u03b5\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.\r\n<h3><strong><b>8-3 \u0394\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c0\u03bf\u03cd\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03b5 \u03c3\u03ba\u03bb\u03b7\u03c1\u03ac \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1<\/b><\/strong><\/h3>\r\n\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03bc\u03b5 <strong>\u03b1\u03b4\u03b9\u03ac\u03b2\u03c1\u03bf\u03c7\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1<\/strong>\u00a0\u03b3\u03b9\u03b1 \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03c7\u03c1\u03ae\u03c3\u03b7, \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03c3\u03b5 \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2.\r\n<h2><strong><b>9. \u03a3\u03c5\u03c7\u03bd\u03ad\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<\/b><\/strong><\/h2>\r\n<strong>\u03951: \u03a4\u03b1 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2;<\/strong>\r\n\u038c\u03c7\u03b9, \u03c4\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03bc\u03b5 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.\r\n\r\n<strong>\u03952: \u03a0\u03bf\u03cd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03b5\u03af \u03bc\u03b9\u03b1 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7;<\/strong>\r\n\u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03ba\u03c4\u03b9\u03c1\u03af\u03bf\u03c5, \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03b5 \u03ba\u03b5\u03c1\u03b1\u03af\u03b5\u03c2 \u03ae \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03b5 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03bf \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2.\r\n\r\n<strong>\u03953: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03bd\u03b1 \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1;<\/strong>\r\n\u038c\u03c7\u03b9, \u03bf\u03b9 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c4\u03bf \u03b5\u03cd\u03c1\u03bf\u03c2 \u03c3\u03c5\u03c7\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.\r\n\r\n<strong>\u03954: \u03a0\u03cc\u03c3\u03bf \u03b4\u03b9\u03b1\u03c1\u03ba\u03b5\u03af \u03bc\u03b9\u03b1 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7;<\/strong>\r\n\u0395\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd, \u03b1\u03bb\u03bb\u03ac \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03ac\u03b8\u03b5 1-2 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1.\r\n<h2><strong><b>10. \u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1<\/b><\/strong><\/h2>\r\nA <a href=\"https:\/\/www.britecelectric.com\/el\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>\u039f\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong><\/a>\u00a0\u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b1 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2. \u039c\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c1\u03cc\u03bb\u03b7\u03c8\u03b7 \u03c4\u03b7\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd, \u03c4\u03b7 \u03bc\u03b5\u03af\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03be\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2, \u03b4\u03b9\u03b1\u03b4\u03c1\u03b1\u03bc\u03b1\u03c4\u03af\u03b6\u03b5\u03b9 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c1\u03cc\u03bb\u03bf <a href=\"https:\/\/www.britecelectric.com\/el\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>\u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03bf\u03cd \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5<\/strong><\/a>. \u0395\u03af\u03c4\u03b5 \u03c3\u03b5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03bb\u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ce\u03bd, \u03c1\u03b1\u03b4\u03b9\u03bf\u03c4\u03b7\u03bb\u03b5\u03bf\u03c0\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ce\u03bd, \u03b4\u03bf\u03c1\u03c5\u03c6\u03bf\u03c1\u03b9\u03ba\u03ce\u03bd \u03ae \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2, \u03b7 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c3\u03c9\u03c3\u03c4\u03bf\u03cd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03cd, \u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03ae \u03c4\u03bf\u03c5 \u03b5\u03b3\u03b3\u03c5\u03ac\u03c4\u03b1\u03b9 <strong>\u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03bf\u03bc\u03bf\u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd<\/strong>\u00a0\u03ba\u03b1\u03b9 \u03bc\u03b1\u03ba\u03c1\u03bf\u03c0\u03c1\u03cc\u03b8\u03b5\u03c3\u03bc\u03b7 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5.","protected":false},"featured_media":2209,"parent":0,"menu_order":115,"template":"","meta":{"_acf_changed":false},"blog_category":[9],"class_list":["post-2208","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-industry-news"],"acf":{"des":"A Coaxial Surge Protection Device safeguards cables and equipment from lightning and surges, ensuring reliable communication, reduced downtime, and long-term network safety.","txt":"<h2><strong><b>1. Introduction<\/b><\/strong><\/h2>\r\nCoaxial cables are widely used in communication systems, data centers, broadcasting, and surveillance networks. While they provide reliable data transmission, they are also highly vulnerable to lightning strikes and power surges. These unexpected events can cause severe damage to connected equipment, resulting in costly downtime. A <a href=\"https:\/\/www.britecelectric.com\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>Coaxial Surge Protection Device<\/strong><\/a>\u00a0is the most effective solution to ensure safe and stable operation of coaxial networks. This article explains <strong>what a <a href=\"https:\/\/www.britecelectric.com\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\">Coaxial Surge Protection Device<\/a> is, how it works, its benefits, types, applications, installation practices, and how to maintain reliable performance<\/strong>.\r\n\r\n<a href=\"https:\/\/www.britecelectric.com\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><img class=\"alignnone size-full wp-image-2209\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/09\/Coaxial-Surge-Protection-Device-Explained-Working-Benefits-and-Applications.png\" alt=\"\" width=\"476\" height=\"476\" \/><\/a>\r\n<h2><strong><b>2. What is a Coaxial Surge Protection Device?<\/b><\/strong><\/h2>\r\n<h3><strong><b>2-1 Definition and Basic Function<\/b><\/strong><\/h3>\r\nA <a href=\"https:\/\/www.britecelectric.com\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>Coaxial Surge Protection Device<\/strong><\/a>\u00a0is a protective component designed to safeguard coaxial cables and connected equipment from transient overvoltages caused by lightning, switching surges, or ground potential differences. Its main function is to divert dangerous surge energy away from the equipment while allowing normal signal transmission.\r\n<h3><strong><b>2-2 Difference Between Coaxial Surge Protection and General Surge Protection<\/b><\/strong><\/h3>\r\nGeneral surge protectors are typically installed on AC power lines, focusing on protecting electrical equipment. In contrast, <strong>Coaxial Surge Protection<\/strong>\u00a0is specifically engineered for high-frequency RF and broadband signals. It provides low insertion loss, ensuring signal quality is not degraded while offering surge suppression.\r\n<h3><strong><b>2-3 Role in Ensuring Coaxial Cable Surge Protection<\/b><\/strong><\/h3>\r\nWithout protection, coaxial cables can act like antennas, conducting surge energy directly into communication devices. A <a href=\"https:\/\/www.britecelectric.com\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>Coaxial Surge Protection Device<\/strong><\/a>\u00a0ensures effective <strong>coaxial cable surge protection<\/strong>, preventing equipment damage and maintaining uninterrupted communication.\r\n<h2><strong><b>3. How Coaxial Surge Protection Devices Work<\/b><\/strong><\/h2>\r\n<h3><strong><b>3-1 Working Principle<\/b><\/strong><\/h3>\r\nThe core principle is <strong>diverting surge energy safely to the ground<\/strong>. When a surge occurs, the protector responds almost instantly, redirecting excess voltage away from sensitive equipment.\r\n<h3><strong><b>3-2 Key Components Involved in Surge Protection<\/b><\/strong><\/h3>\r\n<strong>Gas Discharge Tubes (GDTs):<\/strong>\u00a0Handle high surge currents.\r\n\r\n<strong>Quarter-Wave Stub Structures:<\/strong>\u00a0Filter out surges at specific frequencies.\r\n\r\n<strong>Hybrid Circuits:<\/strong>\u00a0Combine GDTs and solid-state elements for improved speed and durability.\r\n<h3><strong><b>3-3 Mechanism of Protecting Coaxial Cables and Connected Equipment<\/b><\/strong><\/h3>\r\nThe surge protector is installed inline with the coaxial cable. During normal operation, it allows data signals to pass with minimal loss. When a surge occurs, it clamps the excess voltage and routes it to the ground, ensuring connected devices such as modems, routers, amplifiers, or cameras remain safe.\r\n<h2><strong><b>4. Benefits of Coaxial Surge Protection<\/b><\/strong><\/h2>\r\n<h3><strong><b>4-1 Preventing Damage to Communication Equipment<\/b><\/strong><\/h3>\r\nProtects valuable equipment from irreversible surge-related failures.\r\n<h3><strong><b>4-2 Reducing Downtime in Critical Systems<\/b><\/strong><\/h3>\r\nMinimizes service interruptions in data centers, telecom networks, and surveillance systems.\r\n<h3><strong><b>4-3 Enhancing System Reliability and Long-Term Performance<\/b><\/strong><\/h3>\r\nEnsures continuous operation and improves confidence in system performance.\r\n<h3><strong><b>4-4 Cost Savings Through Equipment Protection<\/b><\/strong><\/h3>\r\nAvoids expensive repairs or replacements, making it a cost-effective investment.\r\n<h2><strong><b>5. Types of Coaxial Surge Protection Device<\/b><\/strong><\/h2>\r\n<h3><strong><b>5-1 Gas Discharge Tube Protectors<\/b><\/strong><\/h3>\r\nSimple, affordable, and capable of handling high surge currents.\r\n<h3><strong><b>5-2 Quarter-Wave Stub Protectors<\/b><\/strong><\/h3>\r\nHighly effective for RF-specific applications such as broadcasting and satellite systems.\r\n<h3><strong><b>5-3 Hybrid Protection Devices<\/b><\/strong><\/h3>\r\nCombine the benefits of GDTs and solid-state components for fast response and robust protection.\r\n<h3><strong><b>5-4 Comparison of Different Types<\/b><\/strong><\/h3>\r\n<strong>GDTs:<\/strong>\u00a0General use, low cost, good surge capacity.\r\n\r\n<strong>Quarter-wave stubs:<\/strong>\u00a0Frequency-specific, ideal for telecom and broadcast.\r\n\r\n<strong>Hybrids:<\/strong>\u00a0Higher cost but best for critical infrastructures requiring both speed and endurance.\r\n<h2><strong><b>6. Applications of Coaxial Surge Protection Device<\/b><\/strong><\/h2>\r\n<h3><strong><b>6-1 Coaxial Surge Protection for Communication Systems<\/b><\/strong><\/h3>\r\nEssential for telecom base stations, broadband networks, and RF systems.\r\n<h3><strong><b>6-2 Use in Broadcasting, Data Centers, and Telecommunication Networks<\/b><\/strong><\/h3>\r\nProtects broadcasting towers, data centers, and backbone networks from surges.\r\n<h3><strong><b>6-3 Protecting Satellite, CCTV, and Wireless Communication Equipment<\/b><\/strong><\/h3>\r\nSafeguards satellite receivers, surveillance systems, and wireless access points where coaxial cables are used.\r\n<h2><strong><b>7. Installation of Coaxial Surge Protection Device<\/b><\/strong><\/h2>\r\n<h3><strong><b>7-1 Best Practices for Installation<\/b><\/strong><\/h3>\r\nInstall near the <strong>building entry point<\/strong>\u00a0or close to sensitive equipment.\r\n\r\nUse short, direct grounding wires.\r\n\r\nEnsure frequency compatibility with the coaxial system.\r\n<h3><strong><b>7-2 Proper Grounding Techniques<\/b><\/strong><\/h3>\r\nEffective surge protection relies on proper grounding. A low-impedance grounding path is necessary for maximum safety.\r\n<h3><strong><b>7-3 Common Mistakes to Avoid<\/b><\/strong><\/h3>\r\nUsing incorrect connector types.\r\n\r\nFailing to inspect grounding connections.\r\n\r\nInstalling too far from entry points, reducing effectiveness.\r\n<h2><strong><b>8. Reliable Performance of Coaxial Surge Protectors<\/b><\/strong><\/h2>\r\n<h3><strong><b>8-1 Factors Affecting Performance<\/b><\/strong><\/h3>\r\n<strong>Voltage rating and clamping level<\/strong>\r\n\r\n<strong>Response time<\/strong>\r\n\r\n<strong>Durability against repeated surges<\/strong>\r\n<h3><strong><b>8-2 Maintenance Requirements<\/b><\/strong><\/h3>\r\nInspect periodically for corrosion, connector wear, or reduced signal quality.\r\n<h3><strong><b>8-3 Ensuring Consistent Protection in Harsh Environments<\/b><\/strong><\/h3>\r\nChoose surge protectors designed with <strong>weatherproof housings<\/strong>\u00a0for outdoor use, ensuring reliability under extreme conditions.\r\n<h2><strong><b>9. FAQ<\/b><\/strong><\/h2>\r\n<strong>Q1: Do coaxial surge protectors reduce signal quality?<\/strong>\r\nNo, high-quality protectors are designed with low insertion loss to preserve signal integrity.\r\n\r\n<strong>Q2: Where should a coaxial surge protection device be installed?<\/strong>\r\nAt building entry points, near antennas, or close to sensitive communication equipment.\r\n\r\n<strong>Q3: Can one surge protector handle all coaxial systems?<\/strong>\r\nNo, devices should match the frequency range and connector type of the coaxial system.\r\n\r\n<strong>Q4: How long does a coaxial surge protection device last?<\/strong>\r\nIt depends on surge frequency, but inspection and replacement every 1\u20132 years is recommended.\r\n<h2><strong><b>10. Conclusion<\/b><\/strong><\/h2>\r\nA <a href=\"https:\/\/www.britecelectric.com\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>Coaxial Surge Protection Device<\/strong><\/a>\u00a0is a vital safeguard for modern communication networks. By preventing equipment damage, reducing downtime, and ensuring reliable operation, it plays an essential role in <a href=\"https:\/\/www.britecelectric.com\/product_category\/coaxial-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\"><strong>coaxial cable surge protection<\/strong><\/a>. Whether in telecom, broadcasting, satellite, or surveillance systems, choosing the right protector, installing it correctly, and maintaining it regularly guarantees <strong>reliable performance of coaxial surge protectors<\/strong>\u00a0and long-term network safety."},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/blog\/2208","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/media\/2209"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/media?parent=2208"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/blog_category?post=2208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}