{"id":223733,"date":"2012-03-05T23:00:00","date_gmt":"2012-03-05T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/lecteur-rfid-hf-aux-performances-eleves\/"},"modified":"2012-03-05T23:00:00","modified_gmt":"2012-03-05T23:00:00","slug":"lecteur-rfid-hf-aux-performances-eleves","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/lecteur-rfid-hf-aux-performances-eleves\/","title":{"rendered":"Lecteur RFID HF aux performances \u00e9lev\u00e9s"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">Ce lecteur comprend un circuit int&eacute;gr&eacute; frontal analogique (AFE) ainsi qu&rsquo;un moteur int&eacute;gr&eacute; de cadrage de donn&eacute;es pour des op&eacute;rations de conformit&eacute; des normes ISO15693, ISO14443A\/B et du mode 1 de la norme ISO18000-3. Il permet aux appareils RFID des fabricants de pi&egrave;ces originales et des int&eacute;grateurs de syst&egrave;mes d&rsquo;atteindre une fiabilit&eacute; &eacute;lev&eacute;e et une performance de premier ordre.<br \/>\nLe circuit int&eacute;gr&eacute; a &eacute;t&eacute; con&ccedil;u pour traiter des fr&eacute;quences de sous-porteuses, comprises entre 106 KHz et 848 KHz, &agrave; des niveaux de baud allant jusqu&rsquo;&agrave; 848 kbit\/s. Son &eacute;l&eacute;ment num&eacute;rique emm&egrave;ne les couches de protocole inf&eacute;rieures de l&rsquo;interface de programmation d&rsquo;application (API) vers la couche physique (PHY) au moyen de fonction sophistiqu&eacute;es de d&eacute;codage de bits et de frames. Un d&eacute;modulateur bas&eacute; sur la d&eacute;tection de sous-porteuse et une encodeuse\/d&eacute;codeuse programmable de bits et de frames sont &eacute;galement fournis. De plus, ce lecteur encode et d&eacute;code les bits de d&eacute;part \/ d&rsquo;arr&ecirc;t, les bits de parit&eacute;, le temps de garde suppl&eacute;mentaire (EGT), le d&eacute;but \/ la fin du frame (SOF\/EOF) et le contr&ocirc;le de redondance cyclique (CRC). Un tampon int&eacute;gr&eacute; de 256 bits permet la mise en tampon d&rsquo;un frame RFID entier. Les ports de communication SPI\/UART assurent une interface ais&eacute;e avec la majorit&eacute; des microcontr&ocirc;leurs (MCU), surtout ceux du segment bas de gamme.<br \/>\nCe composant poss&egrave;de par ailleurs des propri&eacute;t&eacute;s de d&eacute;tection de tag et de champ. Il d&eacute;tecte les tags en s&rsquo;appuyant sur les variations de champ haute fr&eacute;quence &agrave; proximit&eacute; de l&rsquo;appareil. Lorsqu&rsquo;un objet approche ou s&rsquo;&eacute;loigne de l&rsquo;antenne, il peut influencer l&rsquo;amplitude du champ haute fr&eacute;quence. L&rsquo;appareil est capable de d&eacute;tecter n&rsquo;importe quel champ haute fr&eacute;quence pendant une tr&egrave;s courte p&eacute;riode de pr&eacute;sence de ce champ. Il active le MCU et commence &agrave; communiquer avec le tag d&egrave;s que le niveau de champ requis est atteint. Parmi les applications de ce lecteur RFID, citons le contr&ocirc;le d&rsquo;acc&egrave;s, le suivi postop&eacute;ratoire, la mesure du glucose, l&rsquo;identification des m&eacute;dicaments ou l&rsquo;automatisation industrielle.<br \/>\n&quot;Les besoins de l&rsquo;industrie ont &eacute;volu&eacute; de la capacit&eacute; &agrave; simplement lire des tags vers des solutions plus sophistiqu&eacute;es, plus critiques, qui peuvent simplifier la cha&icirc;ne logistique, accro&icirc;tre le contr&ocirc;le et la veille de l&rsquo;activit&eacute;, et renforcer la s&eacute;curit&eacute;. L&rsquo;arriv&eacute;e du MLX90130 dans notre gamme de circuits int&eacute;gr&eacute;s de lecteurs IC de RFID nous permet d&rsquo;offrir un rapport qualit&eacute;-prix imbattable et de toucher une nouvelle cat&eacute;gorie de clients d&eacute;sireux de d&eacute;velopper leurs produits novateurs&quot;, indique Diana Moncoqut, Product Line Manager Automotive Entry &amp; Go Products chez Melexis.<br \/>\nEncapsul&eacute; en bo&icirc;tier QFN compact de 5 x 5 mm, ce circuit fonctionne &agrave; des temp&eacute;ratures allant de -40 &deg;C &agrave; +105 &deg;C.<\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">&nbsp;<\/p>\n<p><a title=\"www.melexis.com\/MLX90130\" target=\"_blank\" href=\"http:\/\/www.melexis.com\/MLX90130\" rel=\"noopener\">www.melexis.com\/MLX90130<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fort du succ\u00e8s de sa plateforme de lecture RFID haute fr\u00e9quence (HF), Melexis introduit le MLX90130 qui int\u00e8gre de nombreuses propri\u00e9t\u00e9s orient\u00e9es solution permettant au client d&rsquo;utiliser des syst\u00e8mes RFID plus sophistiqu\u00e9s. Ce lecteur RFID IC haute performance de 13,56 MHz fait partie de la gamme de produits de communication en champ propre (NFC) et RFID de pointe, fruit d&rsquo;une collaboration avec STMicroelectronics.<\/p>\n","protected":false},"author":22,"featured_media":223734,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-223733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Lecteur RFID HF aux performances \u00e9lev\u00e9s ...<\/title>\n<meta name=\"description\" content=\"Fort du succ\u00e8s de sa plateforme de lecture RFID haute fr\u00e9quence (HF), Melexis introduit le MLX90130 qui int\u00e8gre de nombreuses propri\u00e9t\u00e9s orient\u00e9es...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/223733\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lecteur RFID HF aux performances \u00e9lev\u00e9s\" \/>\n<meta property=\"og:description\" content=\"Fort du succ\u00e8s de sa plateforme de lecture RFID haute fr\u00e9quence (HF), Melexis introduit le MLX90130 qui int\u00e8gre de nombreuses propri\u00e9t\u00e9s orient\u00e9es solution permettant au client d&#039;utiliser des syst\u00e8mes RFID plus sophistiqu\u00e9s. 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