{"id":228198,"date":"2013-10-10T22:00:00","date_gmt":"2013-10-10T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/buffer-dhorloge-pour-infrastructures-sans-fil-2g-3g-et-4g-lte\/"},"modified":"2013-10-10T22:00:00","modified_gmt":"2013-10-10T22:00:00","slug":"buffer-dhorloge-pour-infrastructures-sans-fil-2g-3g-et-4g-lte","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/buffer-dhorloge-pour-infrastructures-sans-fil-2g-3g-et-4g-lte\/","title":{"rendered":"Buffer d\u2019horloge pour infrastructures sans fil 2G, 3G et 4G LTE"},"content":{"rendered":"<p>Horloge JESD204B &agrave; deux voies et buffer de sortance SYSREF &agrave; retard de phase param&eacute;trable et bruit de phase additionnel extr&ecirc;mement faible, ce syst&egrave;me offre une grande souplesse de conception et des performances maximum. Supportant des fr&eacute;quences telles que 614.4 MHz et 1228.8 MHz, il s&rsquo;adresse &agrave; la derni&egrave;re g&eacute;n&eacute;ration de convertisseurs analogique-num&eacute;rique (CAN) et num&eacute;rique-analogique (CNA) JESD204B, en fournissant des signaux d&rsquo;horloge synchrones et des signaux SYSREF de haute qualit&eacute; qui am&eacute;liorent la qualit&eacute; globale des signaux de station de base et augmentent le d&eacute;bit de donn&eacute;es gr&acirc;ce &agrave; un taux d&rsquo;erreur de bits BER r&eacute;duit. En outre, les concepteurs de stations de base r&eacute;duiront les co&ucirc;ts en utilisant des filtres plus simples du fait du moindre niveau de bruit. Ensemble, ce buffer d&rsquo;horloge, le RF-PLL 8V19N486i et le synth&eacute;tiseur d&rsquo;horloge 8V19N476i, constituent un chipset de synchronisation JESD204B extr&ecirc;mement complet et performant.<br \/>\n&quot;Ce nouveau buffer de sortance vient compl&eacute;ter notre RF-PLL et notre synth&eacute;tiseur d&rsquo;horloge, pour offrir &agrave; nos clients les outils n&eacute;cessaires &agrave; l&rsquo;&eacute;laboration des syst&egrave;mes JESD204B les plus performants,&quot; d&eacute;clare Christian Kermarrec, Vice-Pr&eacute;sident et Directeur G&eacute;n&eacute;ral de la division Timing et Synchronisation chez IDT. &quot;Avec un jitter de phase additionnel sous les 20 fs efficaces &agrave; 1228.8 MHz, plusieurs canaux de sortance d&rsquo;horloge, et un retard de phase param&eacute;trable pour chaque sortie SYSREF, le 8V79S690i offre les performances et la flexibilit&eacute; attendues d&rsquo;IDT, leader mondial des solutions de synchronisation. Ces nouveaux buffers d&rsquo;horloge renforcent encore l&rsquo;offre IDT sur le march&eacute; de la synchronisation, en s&rsquo;ajoutant &agrave; notre brochure d&eacute;j&agrave; riche de produits pour infrastructures sans-fil, comprenant des convertisseurs de donn&eacute;es JESD204B, des circuits de compression de donn&eacute;es, des produits pour signaux radio, et des produits RapidIO.&quot;<br \/>\nGr&acirc;ce &agrave; la technologie SiGe (Silicium-Germanium), ce circuit assure la distribution d&rsquo;horloges et de signaux SYSREF haute-fr&eacute;quence avec un tr&egrave;s faible bruit de phase additionnel et une tr&egrave;s bonne r&eacute;jection du bruit d&rsquo;alimentation. Ce dispositif &agrave; deux canaux offre une sortance d&rsquo;horloge LVPECL\/LVDS de 10 pour 1 et une sortance de signal SYSREF LDS de 8 pour 1. Ces sorties horloge sont param&eacute;trables, aussi bien en amplitude qu&rsquo;en retard de phase, par pas de 101 picosecondes, pour plus de souplesse au niveau de la synchronisation des cartes radio et aussi au niveau du r&eacute;glage fin du syst&egrave;me pour des performances optimales. En outre, une commande de coupure d&rsquo;alimentation param&eacute;trable autorise une gestion d&rsquo;&eacute;nergie sophistiqu&eacute;e pour un meilleur rendement global.<br \/>\nLes fonctionnalit&eacute;s offertes par ce buffer fournissent non seulement d&rsquo;excellentes performances et une grande souplesse de conception pour les cartes radio, mais permettent &eacute;galement aux concepteurs d&rsquo;&eacute;conomiser un certain nombre de composants jusqu&rsquo;ici indispensables &agrave; la conversion ou &agrave; la compensation des signaux. Ce produit est actuellement &eacute;chantillonn&eacute; en bo&icirc;tier VFQFPN 72 broches de 10 x 10 mm.<\/p>\n<\/p>\n<p><a target=\"_blank\" href=\"http:\/\/www.idt.com\/products\/clocks-timing?utm_campaign=clocks_timing&amp;utm_source=press_release&amp;utm_medium=press_release&amp;utm_content=npa075_jesd204b_buffer_130924\" title=\"www.idt.com\/go\/clocks\" rel=\"noopener\">www.idt.com\/go\/clocks<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Favorisant les performances syst\u00e8me et une rentabilit\u00e9 maximales, le 8V79GS690i d\u2019Integrated Device Technology (IDT)est, \u00e0 ce jour, le premier buffer de sortance param\u00e9trable \u00e0 faible bruit supportant la synchronisation rapide JESD204B. Il vient compl\u00e9ter le chipset RF-PLL JESD204B qui permet de r\u00e9pliquer et de distribuer des signaux d&rsquo;horloge et de r\u00e9f\u00e9rence de synchronisation SYSREF de haute qualit\u00e9 aux convertisseurs de donn\u00e9es des cartes de stations de base GSM, WCDMA ou LTE.<\/p>\n","protected":false},"author":22,"featured_media":228199,"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-228198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Buffer d\u2019horloge pour infrastructures sans fil 2G, 3G et 4G LTE ...<\/title>\n<meta name=\"description\" content=\"Favorisant les performances syst\u00e8me et une rentabilit\u00e9 maximales, le 8V79GS690i d\u2019Integrated Device Technology (IDT)est, \u00e0 ce jour, le premier buffer de...\" \/>\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\/228198\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Buffer d\u2019horloge pour infrastructures sans fil 2G, 3G et 4G LTE\" \/>\n<meta property=\"og:description\" content=\"Favorisant les performances syst\u00e8me et une rentabilit\u00e9 maximales, le 8V79GS690i d\u2019Integrated Device Technology (IDT)est, \u00e0 ce jour, le premier buffer de sortance param\u00e9trable \u00e0 faible bruit supportant la synchronisation rapide JESD204B. Il vient compl\u00e9ter le chipset RF-PLL JESD204B qui permet de r\u00e9pliquer et de distribuer des signaux d&#039;horloge et de r\u00e9f\u00e9rence de synchronisation SYSREF de haute qualit\u00e9 aux convertisseurs de donn\u00e9es des cartes de stations de base GSM, WCDMA ou LTE.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/228198\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-10-10T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6625_idt_npa-075_lres.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"360\" \/>\n\t<meta property=\"og:image:height\" content=\"288\" \/>\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 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