{"id":221445,"date":"2011-04-07T22:00:00","date_gmt":"2011-04-07T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/nettoyeurs-de-jitter-dhorloge-tres-faible-bruit-de-phase\/"},"modified":"2011-04-07T22:00:00","modified_gmt":"2011-04-07T22:00:00","slug":"nettoyeurs-de-jitter-dhorloge-tres-faible-bruit-de-phase","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/nettoyeurs-de-jitter-dhorloge-tres-faible-bruit-de-phase\/","title":{"rendered":"Nettoyeurs de jitter d&rsquo;horloge, tr\u00e8s faible bruit de phase"},"content":{"rendered":"<p>La famille LMK04800 est compos&eacute;e de quatre circuits : LMK04808, LMK04806, LMK04805 et LMK04803, et est optimis&eacute;e pour g&eacute;n&eacute;rer diff&eacute;rentes fr&eacute;quences de sortie jusqu&rsquo;&agrave; 1.5 GHz pour synchroniser des CNA, des CAN, des SerDes ou des FPGA. Gr&acirc;ce &agrave; un certain nombre de fonctions int&eacute;gr&eacute;es comme holdover (maintien), switchover (commutation), retard num&eacute;rique, retard analogique, diviseur pair\/impair, et 12 sorties avec format de sortie programmable (LVDS\/LVPECL\/LVCMOS), les circuits LMK04800 sont extr&ecirc;mement flexibles et peuvent &ecirc;tre configur&eacute;s pour un grand nombre d&rsquo;architectures, tout en permettant de r&eacute;duire le nombre de composants et le travail de conception n&eacute;cessaire &agrave; l&rsquo;implantation de ces fonctions. Cette combinaison unique de performance et d&rsquo;int&eacute;gration fonctionnelle r&eacute;duit la complexit&eacute; de l&rsquo;architecture d&rsquo;horloge et fournit aux concepteurs de multiples options, leur permettant de faire le meilleur compromis entre la performance du syst&egrave;me, le nombre de composants et le co&ucirc;t. Les circuits nettoyeurs de jitter d&rsquo;horloge LMK04800 associ&eacute;s aux amplis op et aux CAN rapides de National (LMH6554, LMH6517, ADC12D1600, ADC12D1000, et ADC16DV160) fournissent une solution traitement du signal compl&egrave;te.<\/p>\n<p><a target=\"_blank\" href=\"http:\/\/www.national.com\/pf\/LM\/LMK04800.html\" rel=\"noopener\">www.national.com\/pf\/LM\/LMK04800.html<\/a>. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>National Semiconductor a pr\u00e9sent\u00e9 une nouvelle famille de circuits nettoyeurs de jitter d&rsquo;horloge avec le plus faible bruit de phase de l&rsquo;industrie et la plus faible valeur efficace de jitter du march\u00e9: 111 fs entre 12 kHz et 20 MHz, et un plancher de bruit large bande de -162 dBc\/Hz pour une fr\u00e9quence de sortie de 184 MHz. Ce niveau de bruit de phase permet d&rsquo;am\u00e9liorer la performance des syst\u00e8mes utilis\u00e9s dans les communications filaires ou sans-fil, les applications de test et mesure, l&rsquo;imagerie m\u00e9dicale, les applications SDR (Software Defined Radio, ou radio num\u00e9rique logicielle) ou encore les applications de radiodiffusion, tout en r\u00e9duisant le co\u00fbt global des nomenclatures (BOM).<\/p>\n","protected":false},"author":22,"featured_media":221446,"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-221445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Nettoyeurs de jitter d&#039;horloge, tr\u00e8s faible bruit de phase ...<\/title>\n<meta name=\"description\" content=\"National Semiconductor a pr\u00e9sent\u00e9 une nouvelle famille de circuits nettoyeurs de jitter d&#039;horloge avec le plus faible bruit de phase de l&#039;industrie et la...\" \/>\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\/221445\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nettoyeurs de jitter d&#039;horloge, tr\u00e8s faible bruit de phase\" \/>\n<meta property=\"og:description\" content=\"National Semiconductor a pr\u00e9sent\u00e9 une nouvelle famille de circuits nettoyeurs de jitter d&#039;horloge avec le plus faible bruit de phase de l&#039;industrie et la plus faible valeur efficace de jitter du march\u00e9: 111 fs entre 12 kHz et 20 MHz, et un plancher de bruit large bande de -162 dBc\/Hz pour une fr\u00e9quence de sortie de 184 MHz. Ce niveau de bruit de phase permet d&#039;am\u00e9liorer la performance des syst\u00e8mes utilis\u00e9s dans les communications filaires ou sans-fil, les applications de test et mesure, l&#039;imagerie m\u00e9dicale, les applications SDR (Software Defined Radio, ou radio num\u00e9rique logicielle) ou encore les applications de radiodiffusion, tout en r\u00e9duisant le co\u00fbt global des nomenclatures (BOM).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/221445\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2011-04-07T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/import\/eci2026_ns-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" 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