{"id":182672,"date":"2017-02-13T23:02:00","date_gmt":"2017-02-13T23:02:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/inductance-cms-ameliorant-les-performances-des-nfc\/"},"modified":"2017-02-13T23:02:00","modified_gmt":"2017-02-13T23:02:00","slug":"inductance-cms-ameliorant-les-performances-des-nfc","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/inductance-cms-ameliorant-les-performances-des-nfc\/","title":{"rendered":"Inductance CMS am\u00e9liorant les performances des NFC"},"content":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, un nombre toujours plus important d&rsquo;appareils \u00e9lectroniques comme les smartphones int\u00e8grent la fonction NFC. Les circuits NFC utilisent une inductance CMS pour l&rsquo;adaptation d&rsquo;imp\u00e9dances. Toutefois, compte tenu des courants importants qui traversent le circuit d&rsquo;adaptation NFC, l&rsquo;effet de la saturation magn\u00e9tique est un frein s\u00e9rieux \u00e0 l&rsquo;obtention des performances attendues.<\/p>\n<p>Cette s\u00e9rie a \u00e9t\u00e9 sp\u00e9cialement pens\u00e9e pour ces circuits d&rsquo;adaptation NFC et est peu sensible \u00e0 la saturation magn\u00e9tique. Par ailleurs, son circuit magn\u00e9tique ferm\u00e9 supprime les interf\u00e9rences avec les composants voisins, m\u00eame en cas de densit\u00e9 de montage \u00e9lev\u00e9e, ce qui permet r\u00e9duire la taille du circuit NFC. Mesurant tout juste 1,6 \u00d7 0,8\u00d7 0,55 mm, avec une tol\u00e9rance \u00e9troite de \u00b15%, ce module convient particuli\u00e8rement pour l&rsquo;adaptation d&rsquo;imp\u00e9dance.<\/p>\n<p>Destin\u00e9e aux modules NFC mont\u00e9s dans les appareils \u00e9lectroniques comme les smartphones, la gamme r\u00e9unit trois inductances. Pour la version suffixe R10J00 de 100 nH, la fr\u00e9quence de r\u00e9sonance propre est de 200 MHz et le courant nominal de 650 mA, contre respectivement 150 MHz \/ 610 mA et 100 MHz \/ 550 mA pour les mod\u00e8les suffixes R12J00 de 120 nH et R16J00 de 160 Nh. Ces 3 inductances ont un facteur Q de 8 ou plus.<\/p>\n<p><a href=\"http:\/\/www.murata.com\" target=\"_blank\" rel=\"noopener\">www.murata.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour les applications de communication courte distance (NFC), la s\u00e9rie d&rsquo;inductances CMS LQM18JN de Murata r\u00e9sout les probl\u00e8mes inh\u00e9rents aux anciens mod\u00e8les NFC et offre des performances plus r\u00e9guli\u00e8res.<\/p>\n","protected":false},"author":9,"featured_media":182673,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[915],"domains":[47],"ppma_author":[1141],"class_list":["post-182672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-wireless-communications-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Inductance CMS am\u00e9liorant les performances 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