{"id":226744,"date":"2013-04-02T22:00:00","date_gmt":"2013-04-02T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/horloge-basse-frequence-precise-et-simple\/"},"modified":"2013-04-02T22:00:00","modified_gmt":"2013-04-02T22:00:00","slug":"horloge-basse-frequence-precise-et-simple","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/horloge-basse-frequence-precise-et-simple\/","title":{"rendered":"Horloge basse fr\u00e9quence pr\u00e9cise et simple"},"content":{"rendered":"<p>Cette horloge est simplement programm&eacute;e par une ou trois r&eacute;sistances, avec une erreur maximum garantie sur la fr&eacute;quence inf&eacute;rieure &agrave; 1,5%. La fonction de r&eacute;initialisation &eacute;courtera la dur&eacute;e de l&rsquo;impulsion de sortie, videra les diviseurs internes et maintiendra la sortie en un &eacute;tat haut ou bas. La polarit&eacute; du signal de r&eacute;initialisation d&rsquo;entr&eacute;e et le signal de sortie peuvent &ecirc;tre configur&eacute;s pour un fonctionnement actif &agrave; l&rsquo;&eacute;tat haut ou actif &agrave; l&rsquo;&eacute;tat bas. Deux versions sont donc disponibles avec une fonctionnalit&eacute; de r&eacute;initialisation invers&eacute;e. La r&eacute;initialisation pour le LTC6995-1 est active &agrave; l&rsquo;&eacute;tat haut, et active &agrave; l&rsquo;&eacute;tat bas pour le LTC6995-2. La s&eacute;lection de la polarit&eacute; de sortie en cas de r&eacute;initialisation est possible pour les deux versions.<br \/>\nLes composants TimerBlox sont des circuits int&eacute;gr&eacute;s qui peuvent fonctionner sous de fortes acc&eacute;l&eacute;rations, vibrations et temp&eacute;ratures extr&ecirc;mes. Aucun condensateur de dur&eacute;e, ni quartz, ni microcontr&ocirc;leur, ni programmation ne sont requis. Ces circuits assurent plus de pr&eacute;cision et de stabilit&eacute; et consomment moins que les oscillateurs standard &agrave; base de r&eacute;sistances et de condensateurs. La possibilit&eacute; de supporter un courant de 20 mA, entrant ou sortant, permet de piloter directement des photocoupleurs pour assurer une isolation &eacute;lectrique. Sp&eacute;cifi&eacute;s enti&egrave;rement sur la gamme de temp&eacute;ratures de -55 &deg;C &agrave; +125 &deg;C, ces composants conviennent aux demandes des applications de l&rsquo;automobile et de l&rsquo;industrie o&ugrave; de nombreux oscillateurs et microcontr&ocirc;leurs ne peuvent pas fonctionner. La petite empreinte du bo&icirc;tier TSOT23 permet le placement de chaque composant d&rsquo;horloge &agrave; l&rsquo;endroit de son utilisation, &eacute;vitant des signaux rout&eacute;s sur de longues distances et offrant un contr&ocirc;leur de dur&eacute;e bien adapt&eacute; aux applications &agrave; espace limit&eacute; comme les produits portatifs et portables.<br \/>\n&quot;Avec seulement quelques composants, le LTC6995 fournit une horloge pr&eacute;cise, de longue dur&eacute;e, pour les cas de r&eacute;initialisation &agrave; la mise en marche et de minuterie de chien de garde,&quot; d&eacute;clare Jim Douglass, responsable de la conception chez Linear Technology. \n<\/p>\n<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTC6995\" target=\"_blank\" title=\"www.linear.com\/product\/LTC6995\" rel=\"noopener\">www.linear.com\/product\/LTC6995<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dernier membre de la famille de composants de contr\u00f4le de temps, en silicium, \u00e0 usage multiple TimerBlox de Linear Technology, le LTC6995 est une horloge basse fr\u00e9quence, pr\u00e9cise, simple, pouvant \u00eatre configur\u00e9e uniquement pour les applications de r\u00e9initialisation \u00e0 la mise en marche et de minuterie de chien de garde, de longue dur\u00e9e. Une tr\u00e8s large bande de fr\u00e9quences, fix\u00e9es par une r\u00e9sistance, permet d\u2019obtenir une horloge de 1 ms \u00e0 9,5 heures. A la mise en marche ou sur un signal de r\u00e9initialisation, ce circuit d\u00e9marrera un cycle complet d\u2019horloge en sortie. La possibilit\u00e9 d\u2019une r\u00e9initialisation et la p\u00e9riode programmable sont sp\u00e9cifiquement destin\u00e9es pour les \u00e9v\u00e8nements de longues dur\u00e9es.<\/p>\n","protected":false},"author":22,"featured_media":226745,"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-226744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Horloge basse fr\u00e9quence pr\u00e9cise et simple ...<\/title>\n<meta name=\"description\" content=\"Dernier membre de la famille de composants de contr\u00f4le de temps, en silicium, \u00e0 usage multiple TimerBlox de Linear Technology, le LTC6995 est une horloge...\" \/>\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\/226744\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Horloge basse fr\u00e9quence pr\u00e9cise et simple\" \/>\n<meta property=\"og:description\" content=\"Dernier membre de la famille de composants de contr\u00f4le de temps, en silicium, \u00e0 usage multiple TimerBlox de Linear Technology, le LTC6995 est une horloge basse fr\u00e9quence, pr\u00e9cise, simple, pouvant \u00eatre configur\u00e9e uniquement pour les applications de r\u00e9initialisation \u00e0 la mise en marche et de minuterie de chien de garde, de longue dur\u00e9e. Une tr\u00e8s large bande de fr\u00e9quences, fix\u00e9es par une r\u00e9sistance, permet d\u2019obtenir une horloge de 1 ms \u00e0 9,5 heures. A la mise en marche ou sur un signal de r\u00e9initialisation, ce circuit d\u00e9marrera un cycle complet d\u2019horloge en sortie. La possibilit\u00e9 d\u2019une r\u00e9initialisation et la p\u00e9riode programmable sont sp\u00e9cifiquement destin\u00e9es pour les \u00e9v\u00e8nements de longues dur\u00e9es.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/226744\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-04-02T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/import\/eci6409_linear_ltc6995.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1691\" \/>\n\t<meta property=\"og:image:height\" content=\"1208\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"eeNews 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