{"id":227502,"date":"2013-07-04T22:00:00","date_gmt":"2013-07-04T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/chipset-de-generation-dhorloges-a-faible-niveau-de-bruit\/"},"modified":"2013-07-04T22:00:00","modified_gmt":"2013-07-04T22:00:00","slug":"chipset-de-generation-dhorloges-a-faible-niveau-de-bruit","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/chipset-de-generation-dhorloges-a-faible-niveau-de-bruit\/","title":{"rendered":"Chipset de g\u00e9n\u00e9ration d\u2019horloges \u00e0 faible niveau de bruit"},"content":{"rendered":"<p>Le chipset est constitu&eacute; d&rsquo;un circuit PLL, une boucle &agrave; verrouillage de phase conforme au standard d&rsquo;interfa&ccedil;age s&eacute;rie JESD204B, et d&rsquo;un synth&eacute;tiseur d&rsquo;horloge, con&ccedil;us pour r&eacute;pondre aux exigences de fr&eacute;quence &eacute;lev&eacute;e et de faible bruit de phase pour les infrastructures radio 2G, 3G et 4G LTE. S&rsquo;appuyant sur la technologie propri&eacute;taire &eacute;prouv&eacute;e FemtoClock NG, les caract&eacute;ristiques de faible bruit de phase permettent aux convertisseurs CAN et CNA de fonctionner avec une grande pr&eacute;cision et de tr&egrave;s faibles niveaux de distorsion. Ceci se traduit par une meilleure int&eacute;grit&eacute; du signal en transmission et une sensibilit&eacute; am&eacute;lior&eacute;e en r&eacute;ception, autorisant un d&eacute;bit de donn&eacute;es sup&eacute;rieur et un taux d&rsquo;erreurs de bits BER am&eacute;lior&eacute;. En outre, le niveau r&eacute;duit de bruit dans le circuit radio permet aux concepteurs de stations de base d&rsquo;en diminuer les co&ucirc;ts et la complexit&eacute; en relaxant les contraintes de filtrages du syst&egrave;me.<br \/>\n&quot;Chez IDT, nous sommes bien conscients des effets ind&eacute;sirables que peut avoir le bruit sur la cha&icirc;ne du signal radio, et nous avons d&eacute;velopp&eacute; ce chipset pour apporter aux concepteurs un outil pour adresser ce probl&egrave;me,&quot; d&eacute;clare Christian Kermarrec, Vice-Pr&eacute;sident et Directeur G&eacute;n&eacute;ral de la division Horloges et Synchronisation d&rsquo;IDT. &quot;Notre nouveau chipset offre &eacute;galement plusieurs fonctionnalit&eacute;s cl&eacute;, comme la synchronisation conforme JESD, ou l&rsquo;att&eacute;nuation int&eacute;gr&eacute;e de gigue pour une int&eacute;gration ais&eacute;e dans les architectures sp&eacute;cifiques de nos clients. Ces nouveaux dispositifs viennent compl&eacute;ter notre offre en circuits d&rsquo;horloges et de synchronisation ainsi que nos gammes de convertisseurs de donn&eacute;es, de compression de donn&eacute;es, de produits RapidIO, et de produits RF pour la cha&icirc;ne de traitements du signal radio destin&eacute;s aux infrastructures des r&eacute;seaux sans-fil.&quot;<br \/>\nEncapsul&eacute; en bo&icirc;tier VFQFPN, ce chipset g&eacute;n&egrave;re de multiple signaux d&rsquo;horloges synchronis&eacute;s et largement configurables, ainsi que les signaux SYSREF n&eacute;cessaires aux applications JESD204B. Ceci permet l&rsquo;utilisation d&rsquo;un dispositif de synchronisation standard et &eacute;conomique, offrant une grande souplesse, au lieu de multiples PLL, synth&eacute;tiseurs et autres buffers. En outre, il int&egrave;gre un circuit d&rsquo;att&eacute;nuation de gigue d&rsquo;horloge permettant de simplifier le design du syst&egrave;me et d&rsquo;utiliser un VCXO basse-fr&eacute;quence &eacute;conomique pour r&eacute;duire les co&ucirc;ts syst&egrave;me.<\/p>\n<\/p>\n<p><a title=\"www.idt.com\/8V19N4xx\" href=\"http:\/\/www.idt.com\/products\/clocks-timing\/jitter-attenuation-and-frequency-translation\/vcxo-pll-jitter-attenuators\/8v19n486i-02-femtoclock-ng-jesd204b-compliant-rf-pll?utm_campaign=clocks_timing&amp;utm_source=press_release&amp;utm_medium=press_release&amp;utm_content=npa068_8v19n4x_rf_pll_130610\" target=\"_blank\" rel=\"noopener\">www.idt.com\/8V19N4xx<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optimis\u00e9 pour les cartes radio des stations de base sans-fil (BTS), le chipset 8V19N4xx d\u2019Integrated Device Technology est un jeu de circuits de g\u00e9n\u00e9ration d\u2019horloges \u00e0 faible niveau de bruit. Il vient compl\u00e9ter son offre \u00e9tendue dans la chaine de traitement des signaux de communication, en fournissant aux concepteurs les outils n\u00e9cessaires pour r\u00e9soudre les probl\u00e8mes de bruit de phase et \u00e9laborer des syst\u00e8mes sans-fil ultra-performants.<\/p>\n","protected":false},"author":22,"featured_media":227503,"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-227502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Chipset de g\u00e9n\u00e9ration d\u2019horloges \u00e0 faible niveau de bruit ...<\/title>\n<meta name=\"description\" content=\"Optimis\u00e9 pour les cartes radio des stations de base sans-fil (BTS), le chipset 8V19N4xx d\u2019Integrated Device Technology est un jeu de circuits 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:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/227502\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chipset de g\u00e9n\u00e9ration d\u2019horloges \u00e0 faible niveau de bruit\" \/>\n<meta property=\"og:description\" content=\"Optimis\u00e9 pour les cartes radio des stations de base sans-fil (BTS), le chipset 8V19N4xx d\u2019Integrated Device Technology est un jeu de circuits de g\u00e9n\u00e9ration d\u2019horloges \u00e0 faible niveau de bruit. Il vient compl\u00e9ter son offre \u00e9tendue dans la chaine de traitement des signaux de communication, en fournissant aux concepteurs les outils n\u00e9cessaires pour r\u00e9soudre les probl\u00e8mes de bruit de phase et \u00e9laborer des syst\u00e8mes sans-fil ultra-performants.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/227502\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-07-04T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6528_idt_npa-068_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\" 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