{"id":384650,"date":"2022-05-21T09:46:30","date_gmt":"2022-05-21T07:46:30","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=384650"},"modified":"2022-05-21T09:46:30","modified_gmt":"2022-05-21T07:46:30","slug":"microchip-presente-une-echelle-de-temps-de-haute-precision-toute-integree","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/microchip-presente-une-echelle-de-temps-de-haute-precision-toute-integree\/","title":{"rendered":"Microchip pr\u00e9sente une \u00e9chelle de temps de haute pr\u00e9cision toute int\u00e9gr\u00e9e"},"content":{"rendered":"<p>La robustesse de l&rsquo;infrastructure d&rsquo;une nation d\u00e9pend de plus en plus de l&rsquo;exactitude de l\u2019heure. Compte tenu des menaces de cybers\u00e9curit\u00e9 omnipr\u00e9sentes qui p\u00e8sent sur les syst\u00e8mes mondiaux de navigation par satellite (GNSS), l&rsquo;utilisation d&rsquo;une \u00e9chelle de temps alternative est une question de s\u00e9curit\u00e9 nationale. Pour r\u00e9pondre \u00e0 ce besoin, Microchip Technology Inc. annonce son <a href=\"https:\/\/www.microchip.com\/en-us\/solutions\/timing-synchronization\/national-timing-infrastructure\">Precise Time Scale System<\/a> (PTSS), une \u00e9chelle de temps de haute pr\u00e9cision rattach\u00e9e au Temps Universel Coordonn\u00e9 (UTC) et ind\u00e9pendant des GNSS (syst\u00e8mes de positionnement mondial par satellites), capable de fournir aux nations, aux institutions, aux op\u00e9rateurs d&rsquo;infrastructures critiques et aux laboratoires scientifiques un contr\u00f4le complet de la source de temps dont d\u00e9pend leur infrastructure.<\/p>\n<p>Le Precise Time Scale System (PTSS) est un syst\u00e8me enti\u00e8rement int\u00e9gr\u00e9 capable de fournir des pr\u00e9cisions de temps comparables \u00e0 celles des meilleurs laboratoires nationaux du monde. Les principaux composants int\u00e9gr\u00e9s au PTSS sont les suivants\u00a0:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>SyncSystem 4380A \u00c9dition \u00e9chelle de temps qui g\u00e9n\u00e8re une \u00e9chelle de temps autonome d\u00e9riv\u00e9e de la combinaison de plusieurs horloges de haute pr\u00e9cision ind\u00e9pendantes, et d\u2019un instrument multicanal pour mesurer et comparer les performances des horloges.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>Time Scale Orchestrator qui est une plateforme logicielle fournissant une vue unifi\u00e9e \u00e0 base de donn\u00e9es int\u00e9gr\u00e9e, regroupant les fonctions de gestion, de surveillance, d&rsquo;alarme et de reporting de plusieurs produits individuels, qui constituent le syst\u00e8me d\u2019\u00e9chelle de temps.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>L\u2019\u00e9talon primaire de fr\u00e9quence d\u2019horloge au c\u00e9sium 5071A, et le maser actif \u00e0 hydrog\u00e8ne MHM\u00a02020 sont des horloges atomiques Microchip qui fournissent des fr\u00e9quences pr\u00e9cises et stables, qui sont mesur\u00e9es en permanence les unes par rapport aux autres, pour calculer et g\u00e9n\u00e9rer la fr\u00e9quence de l&rsquo;\u00e9chelle de temps de l\u2019ensemble.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Le PTSS int\u00e8gre le nouveau portefeuille de produits d\u2019\u00e9chelle de temps dans une solution cl\u00e9 en main, disponible dans un m\u00eame rack, et garantie par des tests complets d&rsquo;acceptation en usine (FAT), qui vont au-del\u00e0 des exigences les plus strictes.<\/p>\n<p>Le PTSS offre aux diff\u00e9rentes nations la possibilit\u00e9 d&rsquo;exploiter de mani\u00e8re ind\u00e9pendante et efficace leur propre \u00e9chelle de temps, align\u00e9 sur l&rsquo;UTC tel que calcul\u00e9 par le Bureau international des poids et mesures (BIPM), \u00e0 l&rsquo;int\u00e9rieur des fronti\u00e8res de leur pays. Les serveurs de temps SyncServer S600\/S650 et TimeProvider 4100 de Microchip sont int\u00e9gr\u00e9s au syst\u00e8me pour fournir une heure de confiance Trusted Time aux infrastructures critiques, en utilisant \u00e0 la fois le protocole NTP (Network Time Protocol) et le protocole PTP (Precision Time Protocol).<\/p>\n<p>\u00ab\u00a0L&rsquo;\u00e9chelle de temps de haute pr\u00e9cision Microchip fournit une solution de secours, ou une alternative de haute qualit\u00e9 aux GNSS, comme source de temps, qui peut \u00eatre distribu\u00e9e par eLoran, IEEE 1588 sur fibre, transfert de temps bidirectionnel, et autres m\u00e9thodes,\u00a0\u00bb d\u00e9clare Randy Brudzinski, Vice-Pr\u00e9sident de la division Syst\u00e8mes fr\u00e9quentiels et temporels, de Microchip. \u00ab\u00a0En mettant en \u0153uvre une source de temps autonome, une nation peut contr\u00f4ler et exploiter le temps comme un service aux collectivit\u00e9s, pour sauvegarder ses infrastructures critiques, notamment ses transports, son secteur financier, ses communications et ses services de fourniture d\u2019\u00e9nergie.\u00a0\u00bb<\/p>\n<p>Par ailleurs, pour les clients d\u00e9sirant construire leur propre \u00e9chelle de temps, les produits d&rsquo;\u00e9chelle de temps Microchip peuvent \u00eatre achet\u00e9s individuellement pour assurer des fonctions de base comme la mesure d&rsquo;horloge ou la g\u00e9n\u00e9ration d&rsquo;ensembles d&rsquo;horloges, ainsi que la gestion, la surveillance, et le reporting de performance de syst\u00e8mes. La modularit\u00e9 du syst\u00e8me permet aux chronom\u00e9treurs d\u2019approvisionner le syst\u00e8me au fil du temps, \u00e0 mesure que les budgets le permettent et que la technologie \u00e9volue.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.microchip.com\">www.microchip.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Precise Time Scale System permet aux nations de mettre en \u0153uvre une \u00e9chelle de temps ind\u00e9pendante des GNSS pour prot\u00e9ger les infrastructures critiques.<\/p>\n","protected":false},"author":36,"featured_media":384651,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[936],"domains":[47],"ppma_author":[1154],"class_list":["post-384650","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-circuits-integres","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Microchip pr\u00e9sente une \u00e9chelle de temps de haute pr\u00e9cision t...<\/title>\n<meta name=\"description\" content=\"Le Precise Time Scale System permet aux nations de mettre en \u0153uvre une \u00e9chelle de temps ind\u00e9pendante des GNSS pour prot\u00e9ger les infrastructures...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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