{"id":5912,"date":"2023-05-31T12:00:46","date_gmt":"2023-05-31T12:00:46","guid":{"rendered":"https:\/\/www.vyrobcikabelu.cz\/?p=5912"},"modified":"2023-05-22T16:39:26","modified_gmt":"2023-05-22T16:39:26","slug":"symetricke-datove-kable-a-ich-parametre-2","status":"publish","type":"post","link":"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/","title":{"rendered":"Symetrick\u00e9 d\u00e1tov\u00e9 k\u00e1ble a\u00a0ich parametre 2"},"content":{"rendered":"<p><strong>\u010cl\u00e1nok nadv\u00e4zuje na <a href=\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-1\/\" target=\"_blank\" rel=\"noopener\">predch\u00e1dzaj\u00faci diel<\/a>, ktor\u00fd sa venoval z\u00e1kladn\u00e9mu rozdeleniu a\u00a0kon\u0161trukcii d\u00e1tov\u00fdch k\u00e1blov. Druh\u00fd diel \u010dl\u00e1nku o\u00a0symetrick\u00fdch d\u00e1tov\u00fdch k\u00e1bloch sa zaober\u00e1 popisom vybran\u00fdch n\u00edzkofrekven\u010dn\u00fdch a\u00a0vysokofrekven\u010dn\u00fdch elektrick\u00fdch parametrov.<\/strong><\/p>\n<h2>N\u00edzkofrekven\u010dn\u00e9 a vysokofrekven\u010dn\u00e9 elektrick\u00e9 parametre<\/h2>\n<p>Prenosov\u00fa charakteristiku k\u00e1bla definuj\u00fa elektrick\u00e9 parametre, ktor\u00e9 sa v z\u00e1sade rozde\u013euj\u00fa na n\u00edzkofrekven\u010dn\u00e9 (LF) a vysokofrekven\u010dn\u00e9 parametre (HF).<\/p>\n<h2><strong>N\u00edzkofrekven\u010dn\u00e9 parametre<\/strong><\/h2>\n<ul>\n<li>Elektrick\u00fd odpor \u017eily\/slu\u010dky<\/li>\n<li>Vz\u00e1jomn\u00e1 kapacita medzi p\u00e1rmi (Mutual capacitance)<\/li>\n<li>Kapacitn\u00e1 nerovnov\u00e1ha (Capacitance unbalance)<\/li>\n<li>Izola\u010dn\u00fd odpor (medzi p\u00e1rmi a medzi p\u00e1rmi a tienen\u00edm k\u00e1bla)<\/li>\n<\/ul>\n<h3><strong>Elektrick\u00fd odpor<\/strong><\/h3>\n<p>Elektrick\u00fd odpor je odpor jedn\u00e9ho vodi\u010da. Jeho maxim\u00e1lna hodnota je definovan\u00e1 na z\u00e1klade \u0161\u00edrky pren\u00e1\u0161an\u00e9ho frekven\u010dn\u00e9ho p\u00e1sma a nesmie presiahnu\u0165 odpor ur\u010den\u00fd normou. \u0160tandardne sa ud\u00e1va normalizovan\u00e1 hodnota 100m d\u013a\u017eky pri teplote 20\u00b0C. Je \u010dasto meran\u00fd v slu\u010dke medzi dvoma vodi\u010dmi p\u00e1ru.<\/p>\n<h3><strong>Pre v\u00fdpo\u010det sa vyu\u017e\u00edva z\u00e1kladn\u00fd vzorec<\/strong><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5907\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/vzorec_kable.png\" alt=\"\" width=\"105\" height=\"85\" \/><\/p>\n<p>Kde \u03c1 predstavuje materi\u00e1lov\u00fa kon\u0161tantu \u2013 mern\u00fd odpor spravidla medi. l je d\u013a\u017eka a\u00a0S\u00a0je prierez vodi\u010da.<\/p>\n<figure id=\"attachment_5900\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5900\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kably_4-300x86.png\" alt=\"\" width=\"800\" height=\"229\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kably_4-300x86.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kably_4-1024x293.png 1024w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kably_4-768x220.png 768w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kably_4.png 1060w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 1 Principi\u00e1lne meranie elektrick\u00e9ho odporu d\u00e1tov\u00fdch k\u00e1blov<\/figcaption><\/figure>\n<p>N\u00e1sledne sa vyhodnocuje percentu\u00e1lny rozdiel odporov jednotliv\u00fdch p\u00e1rov. Tento rozdiel nesmie presiahnu\u0165 2%.<\/p>\n<h3><strong>Vz\u00e1jomn\u00e1 kapacita medzi p\u00e1rmi (Mutual capacitance)<\/strong><\/h3>\n<p>Vz\u00e1jomn\u00e1 kapacita medzi p\u00e1rmi je definovan\u00e1 v\u00fdrobcom pod\u013ea kateg\u00f3rie k\u00e1bla. R\u00e1dovo sa t\u00e1to hodnota pohybuje v\u00a0rozmedz\u00ed desiatok nanofaradov.<\/p>\n<p>N\u00e1sledne sa vyhodnocuje kapacitn\u00e1 nerovnov\u00e1ha, ktor\u00e1 hovor\u00ed o\u00a0kapacite \u017eily vo\u010di zemi. T\u00e1to hodnota nem\u00e1 pod\u013ea normy presiahnu\u0165 1600 pF\/km.<\/p>\n<figure id=\"attachment_5884\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5884\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_5-1024x273.png\" alt=\"\" width=\"800\" height=\"213\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_5-1024x273.png 1024w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_5-300x80.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_5-768x205.png 768w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_5.png 1059w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 2 Principi\u00e1lne meranie vz\u00e1jomnej kapacity a\u00a0kapacitnej nerovnov\u00e1hy<\/figcaption><\/figure>\n<h3><strong>Izola\u010dn\u00fd odpor<\/strong><\/h3>\n<p>Test izol\u00e1cie k\u00e1bla sa meria medzi p\u00e1rmi a medzi \u017eilami a vonkaj\u0161\u00edm tienen\u00edm k\u00e1bla. Hodnota izola\u010dn\u00e9ho odporu mus\u00ed by\u0165 vy\u0161\u0161ia ako 5000 M\u2126.km.<\/p>\n<figure id=\"attachment_5886\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5886\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_6-1024x347.png\" alt=\"\" width=\"800\" height=\"271\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_6-1024x347.png 1024w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_6-300x102.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_6-768x260.png 768w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_6.png 1084w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 3 Meranie izola\u010dn\u00e9ho merania<\/figcaption><\/figure>\n<h2><strong>Vysokofrekven\u010dn\u00e9 parametre<\/strong><\/h2>\n<ul>\n<li>Oneskorenie sign\u00e1lu (Delay) a rozdiel oneskoren\u00ed medzi p\u00e1rmi (Skew)<\/li>\n<li>\u00datlm (Attenuation)<\/li>\n<li>Impedancia<\/li>\n<li>Sp\u00e4tn\u00fd odraz (Return Loss)<\/li>\n<li>Presluchy na bl\u00edzkom a vzdialenom konci k\u00e1bla (NEXT, FEXT)<\/li>\n<li>Parametre symetrie TCL a EL TCTL<\/li>\n<li>V\u00e4zobn\u00fd \u00fatlm (Coupling Attenuation)<\/li>\n<\/ul>\n<h3><strong>Oneskorenie sign\u00e1lu (Delay) a rozdiel oneskoren\u00ed medzi p\u00e1rmi (Skew)<\/strong><\/h3>\n<p>F\u00e1zov\u00e9 oneskorenie sign\u00e1lu (delay) predstavuje \u010das, za ktor\u00fd sa sign\u00e1l pripojen\u00fd na vstupe vedenia objav\u00ed na v\u00fdstupe vedenia. Nako\u013eko s\u00fa jednotliv\u00e9 p\u00e1ry sto\u010den\u00e9 v r\u00f4znych skrutoch, f\u00e1zov\u00e9 oneskorenie sign\u00e1lu je medzi p\u00e1rmi rozdielne. Tento rozdiel oneskoren\u00ed medzi p\u00e1rmi sa naz\u00fdva Skew.<\/p>\n<p>F\u00e1zov\u00e9 oneskorenie a rovnako ich rozdiel sa vyhodnocuje vo frekven\u010dnom p\u00e1sme definuj\u00facom kateg\u00f3riu k\u00e1bla.<\/p>\n<figure id=\"attachment_5888\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5888\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_7-1024x331.png\" alt=\"\" width=\"800\" height=\"258\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_7-1024x331.png 1024w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_7-300x97.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_7-768x248.png 768w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_7.png 1099w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 4 Oneskorenie sign\u00e1lu<\/figcaption><\/figure>\n<h3><strong>Impedancia <\/strong><\/h3>\n<p>Vstupn\u00e1 impedancia je parameter, ktor\u00fd je sledovan\u00fd z\u00a0h\u013eadiska frekven\u010dnej z\u00e1vislosti. Impedancia vedenia nesmie\u00a0presiahnu\u0165 hodnotu stanoven\u00fa normou. Stredn\u00e1 hodnota impedancie m\u00e1 by\u0165 v\u00a0p\u00e1sme 100\u2126 \u00b15\u2126.<\/p>\n<h3><strong>\u00datlm (Attenuation)<\/strong><\/h3>\n<p>\u00datlm k\u00e1bla predstavuje parameter, ktor\u00fd definuje mieru \u201edovolen\u00e9ho po\u0161kodenia\u201c sign\u00e1lu prech\u00e1dzaj\u00faceho jednotliv\u00fdmi p\u00e1rmi k\u00e1bla. Tento parameter je kvantifikovan\u00fd v\u00a0decibeloch a\u00a0teda porovn\u00e1va pokles sign\u00e1lu medzi vstupom a\u00a0v\u00fdstupom v\u00a0k\u00e1ble.<\/p>\n<h3><strong>Sp\u00e4tn\u00fd odrazy (Return Loss)<\/strong><\/h3>\n<p>Sp\u00e4tn\u00fd odraz reprezentuje sign\u00e1l, ktor\u00fd sa odr\u00e1\u017ea od por\u00fach na veden\u00ed sp\u00e4\u0165 na vstup. V\u00a0sign\u00e1le sp\u00e4tn\u00e9ho odrazu sa t\u00fdm prejavuj\u00fa aj mechanick\u00e9 po\u0161kodenia \u017e\u00edl k\u00e1bla. V\u00a0pr\u00edpade periodicky sa opakuj\u00facich por\u00fach sa sign\u00e1l s\u00a0pr\u00edslu\u0161nou frekvenciou na vstupe prejav\u00ed ako \u0161pi\u010dka.<\/p>\n<figure id=\"attachment_5890\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5890\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_8-1024x311.png\" alt=\"\" width=\"800\" height=\"243\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_8-1024x311.png 1024w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_8-300x91.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_8-768x233.png 768w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_8.png 1068w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 5 Sp\u00e4tn\u00fd odraz sign\u00e1lu<\/figcaption><\/figure>\n<h3><strong>Presluchy na bl\u00edzkom a vzdialenom konci k\u00e1bla (NEXT, FEXT)<\/strong><\/h3>\n<p>Presluchom sa rozumie nechcen\u00e9 ovplyv\u0148ovanie sign\u00e1lu z\u00a0ved\u013eaj\u0161\u00edch p\u00e1rov. Rozli\u0161uje sa presluch na bl\u00edzkom konci vedenia (Near-end crosstalk), kedy sa ur\u010duje \u00farove\u0148 ru\u0161enia na rovnakom konci ako je aplikovan\u00fd p\u00f4vodn\u00fd sign\u00e1l. Podobne sa odmeria aj presluch na vzdialenom konci vedenia (Far-end crosstalk).<\/p>\n<figure id=\"attachment_5892\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5892\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_9-1024x325.png\" alt=\"\" width=\"800\" height=\"254\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_9-1024x325.png 1024w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_9-300x95.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_9-768x244.png 768w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_9.png 1087w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 6 Presluchy na bl\u00edzkom a vzdialenom konci k\u00e1bla (NEXT, FEXT)<\/figcaption><\/figure>\n<h3><strong>Parametre symetrie TCL a EL TCTL<\/strong><\/h3>\n<p>Parametre TCL a\u00a0EL TCTL vyjadruj\u00fa mieru symetrie k\u00e1bla. V pr\u00edpade TCL (Transverse convertion loss) sa na do \u017e\u00edl k\u00e1bla vysiela sign\u00e1l v\u00a0diferen\u010dnom m\u00f3de a\u00a0vyhodnocuje sa z\u00e1kladn\u00fd m\u00f3d jednotliv\u00fdch \u017e\u00edl v\u00a0z\u00e1kladnom m\u00f3de.<\/p>\n<p>Podobne pre EL TCTL (Equal level transverse convertion transfer loss) sa do \u017e\u00edl p\u00e1ru vysiela sign\u00e1l v\u00a0diferenci\u00e1lnom m\u00f3de a\u00a0na vzdialenom konci sa vyhodnocuje sign\u00e1l v\u00a0z\u00e1kladnom m\u00f3de. Ke\u010f\u017ee je d\u013a\u017eka sto\u010den\u00fdch p\u00e1rov rozdielna, tento parameter je ur\u010den\u00fd vzh\u013eadom k\u00a0\u00fatlmu p\u00e1ru.<\/p>\n<p><figure id=\"attachment_5894\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5894\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_10.png\" alt=\"\" width=\"800\" height=\"354\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_10.png 979w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_10-300x133.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_10-768x340.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 7 Parametre symetrie TCL<\/figcaption><\/figure> <figure id=\"attachment_5896\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5896\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_11-1024x362.png\" alt=\"\" width=\"800\" height=\"282\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_11-1024x362.png 1024w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_11-300x106.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_11-768x271.png 768w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_11.png 1099w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 8 Parametre symetrie EL TCTL<\/figcaption><\/figure><\/p>\n<h3><strong>V\u00e4zobn\u00fd \u00fatlm\u00a0 (Coupling Attenuation)<\/strong><\/h3>\n<p>V\u00e4zobn\u00fd \u00fatlm ur\u010duje mieru odolnosti a\u00a0vy\u017earovania sign\u00e1lu do a\u00a0z\u00a0okolia. Meranie je mo\u017en\u00e9 interpretova\u0165 aj ako mieru elektrickej symetrie k\u00e1bla. Vyu\u017e\u00edva sa met\u00f3da bezkontaktn\u00fdch svoriek. \u00a0Meranie nie je mo\u017en\u00e9 vykon\u00e1va\u0165 na in\u0161talovan\u00fdch k\u00e1bloch ale iba v\u00a0laborat\u00f3rnych podmienkach.<\/p>\n<figure id=\"attachment_5898\" class=\"thumbnail wp-caption alignnone\" style=\"width: 810px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5898\" src=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_12-1024x432.png\" alt=\"\" width=\"800\" height=\"338\" srcset=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_12-1024x432.png 1024w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_12-300x127.png 300w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_12-768x324.png 768w, https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/datove_kable_12.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"caption wp-caption-text\">Obr. 9 V\u00e4zobn\u00fd \u00fatlm<\/figcaption><\/figure>\n<p>Zdroje: IEC61156, ISO\/IEC 11801, EN 50173<\/p>\n<p>Autori:<\/p>\n<ul>\n<li>Ing. Michal Jur\u010di\u0161in, PhD. <a href=\"mailto:Michal.jurcisin@prysmiangroup.com\">Michal.jurcisin@prysmiangroup.com<\/a><\/li>\n<li>Ing. Mari\u00e1n Modransk\u00fd <a href=\"mailto:marian.modransky@prysmiangroup.com\">marian.modransky@prysmiangroup.com<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u010cl\u00e1nok nadv\u00e4zuje na predch\u00e1dzaj\u00faci diel, ktor\u00fd sa venoval z\u00e1kladn\u00e9mu rozdeleniu a\u00a0kon\u0161trukcii d\u00e1tov\u00fdch k\u00e1blov. Druh\u00fd diel \u010dl\u00e1nku o\u00a0symetrick\u00fdch d\u00e1tov\u00fdch k\u00e1bloch sa zaober\u00e1 popisom vybran\u00fdch n\u00edzkofrekven\u010dn\u00fdch a\u00a0vysokofrekven\u010dn\u00fdch elektrick\u00fdch parametrov. N\u00edzkofrekven\u010dn\u00e9 a vysokofrekven\u010dn\u00e9 elektrick\u00e9 parametre Prenosov\u00fa charakteristiku k\u00e1bla definuj\u00fa elektrick\u00e9 parametre, ktor\u00e9 sa &hellip; <a href=\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/\">Pokra\u010dova\u0165<\/a><\/p>\n","protected":false},"author":975929,"featured_media":5911,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Symetrick\u00e9 d\u00e1tov\u00e9 k\u00e1ble a\u00a0ich parametre 2 - AVK<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Symetrick\u00e9 d\u00e1tov\u00e9 k\u00e1ble a\u00a0ich parametre 2 - AVK\" \/>\n<meta property=\"og:description\" content=\"\u010cl\u00e1nok nadv\u00e4zuje na predch\u00e1dzaj\u00faci diel, ktor\u00fd sa venoval z\u00e1kladn\u00e9mu rozdeleniu a\u00a0kon\u0161trukcii d\u00e1tov\u00fdch k\u00e1blov. Druh\u00fd diel \u010dl\u00e1nku o\u00a0symetrick\u00fdch d\u00e1tov\u00fdch k\u00e1bloch sa zaober\u00e1 popisom vybran\u00fdch n\u00edzkofrekven\u010dn\u00fdch a\u00a0vysokofrekven\u010dn\u00fdch elektrick\u00fdch parametrov. N\u00edzkofrekven\u010dn\u00e9 a vysokofrekven\u010dn\u00e9 elektrick\u00e9 parametre Prenosov\u00fa charakteristiku k\u00e1bla definuj\u00fa elektrick\u00e9 parametre, ktor\u00e9 sa &hellip; Pokra\u010dova\u0165\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/\" \/>\n<meta property=\"og:site_name\" content=\"AVK\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-31T12:00:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-05-22T16:39:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vyrobcikabelu.cz\/wp-content\/uploads\/2023\/05\/kable_nahled.png\" \/>\n\t<meta property=\"og:image:width\" content=\"424\" \/>\n\t<meta property=\"og:image:height\" content=\"217\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Marian Modransk\u00fd\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Autor\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marian Modransk\u00fd\" \/>\n\t<meta name=\"twitter:label2\" content=\"Predpokladan\u00fd \u010das \u010d\u00edtania\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 min\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/\",\"url\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/\",\"name\":\"Symetrick\u00e9 d\u00e1tov\u00e9 k\u00e1ble a\u00a0ich parametre 2 - AVK\",\"isPartOf\":{\"@id\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/#website\"},\"datePublished\":\"2023-05-31T12:00:46+00:00\",\"dateModified\":\"2023-05-22T16:39:26+00:00\",\"author\":{\"@id\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/#\/schema\/person\/c345528ae081f13ead2a4084b63079b1\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/#breadcrumb\"},\"inLanguage\":\"sk-SK\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\u016f\",\"item\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Symetrick\u00e9 d\u00e1tov\u00e9 k\u00e1ble a\u00a0ich parametre 2\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/#website\",\"url\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/\",\"name\":\"AVK\",\"description\":\"Dal\u0161\u00ed web pou\u017e\u00edvaj\u00edc\u00ed WordPress\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"sk-SK\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/#\/schema\/person\/c345528ae081f13ead2a4084b63079b1\",\"name\":\"Marian Modransk\u00fd\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"sk-SK\",\"@id\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/4aa8900940b854d668cb645f90fedbb9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/4aa8900940b854d668cb645f90fedbb9?s=96&d=mm&r=g\",\"caption\":\"Marian Modransk\u00fd\"},\"url\":\"https:\/\/www.vyrobcikabelu.cz\/sk\/author\/modransky\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Symetrick\u00e9 d\u00e1tov\u00e9 k\u00e1ble a\u00a0ich parametre 2 - AVK","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.vyrobcikabelu.cz\/sk\/symetricke-datove-kable-a-ich-parametre-2\/","og_locale":"sk_SK","og_type":"article","og_title":"Symetrick\u00e9 d\u00e1tov\u00e9 k\u00e1ble a\u00a0ich parametre 2 - AVK","og_description":"\u010cl\u00e1nok nadv\u00e4zuje na predch\u00e1dzaj\u00faci diel, ktor\u00fd sa venoval z\u00e1kladn\u00e9mu rozdeleniu a\u00a0kon\u0161trukcii d\u00e1tov\u00fdch k\u00e1blov. 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