{"id":88504,"date":"2019-05-01T22:31:44","date_gmt":"2019-05-01T22:31:44","guid":{"rendered":"https:\/\/\/filtre-antibruit-murata-pour-les-applications-automobiles\/"},"modified":"2019-05-01T22:31:44","modified_gmt":"2019-05-01T22:31:44","slug":"filtre-antibruit-murata-pour-les-applications-automobiles","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/filtre-antibruit-murata-pour-les-applications-automobiles\/","title":{"rendered":"Filtre antibruit Murata pour les applications automobiles"},"content":{"rendered":"<p>\u00c0 mesure que les v\u00e9hicules deviennent de plus en plus complexes et sophistiqu\u00e9s, particuli\u00e8rement en raison d&rsquo;un plus grand recours \u00e0 la d\u00e9tection d&rsquo;images, les besoins en communication de donn\u00e9es \u00e0 l&rsquo;int\u00e9rieur des v\u00e9hicules ont consid\u00e9rablement augment\u00e9. Avec la multiplication des protocoles comme CAN, LIN, FlexRay et Ethernet, les c\u00e2bles, y compris ceux assurant l&rsquo;alimentation, ont augment\u00e9 en poids au point de poser probl\u00e8me. La transition vers l&rsquo;alimentation PoC y r\u00e9pond, consistant \u00e0 transmettre les donn\u00e9es sur un seul c\u00e2ble coaxial capable \u00e9galement de transporter l\u2019alimentation.<br \/>\nCependant, des technologies telles que les syst\u00e8mes avanc\u00e9s d&rsquo;aide \u00e0 la conduite (Advanced Driver Assistance Systems, ADAS) et les syst\u00e8mes d&rsquo;infodivertissement embarqu\u00e9s (In-Vehicle Infotainment, IVI) utilisent un signal GPS dans la bande des 1,5 GHz qui cr\u00e9e un bruit pouvant affecter de mani\u00e8re significative la transmission de donn\u00e9es \u00e0 2,4 GHz. Pour r\u00e9soudre ce probl\u00e8me, il est n\u00e9cessaire de recourir \u00e0 un filtre anti-bruit \u00e0 haute imp\u00e9dance pouvant supporter des courants \u00e9lev\u00e9s tout en demeurant efficace dans la bande des GHz. La famille BLM18GG d\u00e9j\u00e0 existante chez Murata prend en charge la gamme de fr\u00e9quences requise mais est limit\u00e9e \u00e0 200 mA, ce qui la rend inadapt\u00e9e aux impl\u00e9mentations PoC.<br \/>\nLa nouvelle famille BLM18DN_SH utilise une \u00e9lectrode interne exclusivement d\u00e9velopp\u00e9e par Murata qui limite la taille \u00e0 1,6 mm x 0,8 mm (1608) en offrant une r\u00e9sistance DC maximale de 0,12 Ohm et un courant nominal maximal de 1400 mA tout en supportant des fr\u00e9quences de 1 GHz. C&rsquo;est le premier produit \u00e0 offrir une telle performance dans une taille aussi compacte.<br \/>\nLes quatre composants de la nouvelle famille conviennent parfaitement \u00e0 la conception des circuits Bias Tee (T d&rsquo;alimentation) n\u00e9cessaires \u00e0 l\u2019impl\u00e9mentation et aux applications PoC exigeant une large couverture en fr\u00e9quence en raison de leurs performances, une petite taille et une aptitude \u00e0 fonctionner \u00e0 des temp\u00e9ratures pouvant atteindre 125\u00b0C. Ces composants sont conformes \u00e0 la norme AEC-Q200, ce qui facilite l\u2019homologation du syst\u00e8me.<br \/>\n<a href=\"http:\/\/www.murata.com\">www.murata.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Murata a annonc\u00e9 la disponibilit\u00e9 de sa nouvelle famille BLM18DN_SH de filtres antibruit \u00e0 billes de ferrite. Les nouveaux composants sont sp\u00e9cialement con\u00e7us pour les r\u00e9seaux automobiles utilisant l\u2019alimentation sur c\u00e2ble coaxial (Power over Coaxial, PoC) avec des imp\u00e9dances \u00e9lev\u00e9es et des hautes fr\u00e9quences. Ils peuvent supporter des forts courants allant jusqu\u2019\u00e0 1 400 mA.<\/p>\n","protected":false},"author":9,"featured_media":88505,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-88504","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Filtre antibruit Murata pour les applications automobiles ...<\/title>\n<meta name=\"description\" content=\"Murata a annonc\u00e9 la disponibilit\u00e9 de sa nouvelle famille BLM18DN_SH de filtres antibruit \u00e0 billes de ferrite. Les nouveaux composants sont sp\u00e9cialement...\" \/>\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.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/88504\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Filtre antibruit Murata pour les applications automobiles\" \/>\n<meta property=\"og:description\" content=\"Murata a annonc\u00e9 la disponibilit\u00e9 de sa nouvelle famille BLM18DN_SH de filtres antibruit \u00e0 billes de ferrite. Les nouveaux composants sont sp\u00e9cialement con\u00e7us pour les r\u00e9seaux automobiles utilisant l\u2019alimentation sur c\u00e2ble coaxial (Power over Coaxial, PoC) avec des imp\u00e9dances \u00e9lev\u00e9es et des hautes fr\u00e9quences. Ils peuvent supporter des forts courants allant jusqu\u2019\u00e0 1 400 mA.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/88504\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2019-05-01T22:31:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci7913_murata-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1618\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alain Dieul\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" 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