{"id":230012,"date":"2014-05-15T22:00:00","date_gmt":"2014-05-15T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-a-n-14-bits-ultra-rapide-pour-signaux-rf\/"},"modified":"2014-05-15T22:00:00","modified_gmt":"2014-05-15T22:00:00","slug":"convertisseur-a-n-14-bits-ultra-rapide-pour-signaux-rf","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-a-n-14-bits-ultra-rapide-pour-signaux-rf\/","title":{"rendered":"Convertisseur A\/N 14 bits ultra-rapide pour signaux RF"},"content":{"rendered":"<p>Con&ccedil;u pour &eacute;chantillonner des signaux analogiques sur une large bande passante jusqu&rsquo;&agrave; 2 GHz, ce convertisseur affiche une des meilleures performances actuelles en termes de dynamique et bruit. Pour une fr&eacute;quence d&rsquo;entr&eacute;e de 1 GHz, la SFDR ou dynamique exempte de tout parasite atteint 80 dB avec un rapport signal\/bruit (SNR) de 61,5 dBFS tout en ne consommant que 1,65 W par voie. Parmi les fonctionnalit&eacute;s int&eacute;gr&eacute;es figurent des blocs de traitement de signal num&eacute;rique et une interface JESD204B configurable, ce qui permet aux concepteurs de cr&eacute;er des plateformes radio reconfigurables sophistiqu&eacute;es r&eacute;pondant aux exigences des radios logicielles modernes.<br \/>\nAinsi, ce convertisseur analogique\/num&eacute;rique offre davantage de degr&eacute;s de libert&eacute; aux concepteurs de syst&egrave;mes recherchant le compromis optimum entre bande passante du signal, niveau de bruit et lin&eacute;arit&eacute;. En effet, il peut num&eacute;riser un signal d&rsquo;entr&eacute;e entre le continu et 2 GHz avec une dynamique incomparable. Cette large bande passante permet un &eacute;chantillonnage direct des signaux RF et l&rsquo;&eacute;limination d&rsquo;un &eacute;tage changeur de fr&eacute;quence et ses &eacute;l&eacute;ments parasites associ&eacute;s tels que bruit, non-lin&eacute;arit&eacute;, encombrement, co&ucirc;t, etc&#8230; En cons&eacute;quence, une plus grande flexibilit&eacute; de configuration est atteinte et de nombreux r&eacute;glages se font dans le domaine num&eacute;rique. <br \/>\nInterop&eacute;rable avec la majorit&eacute; des FPGA du march&eacute;, ce circuit CAN b&eacute;n&eacute;ficie d&rsquo;une carte d&rsquo;&eacute;valuation avec connecteur FMC, de l&rsquo;offre logicielle propri&eacute;taire VisualAnalog, d&rsquo;un contr&ocirc;leur SPI et de designs de r&eacute;f&eacute;rence. Il est propos&eacute; en bo&icirc;tier extra plat LFCSP 64 de seulement 9 x 9 mm.<\/p>\n<\/p>\n<p><a href=\"http:\/\/www.analog.com\/AD9680\" target=\"_blank\" title=\"www.analog.com\/AD9680\" rel=\"noopener\">www.analog.com\/AD9680<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avec une densit\u00e9 de bruit extr\u00eamement basse de -154 dBFs\/Hz et une excellente dynamique, le convertisseur A\/N \u00e0 deux voies AD9680, 14 bits \u00e0 1 G\u00e9ch\/s d\u2019Analog Devices facilite la migration d\u2019applications de communication, d\u2019instrumentation, militaires et a\u00e9rospatiales vers l\u2019\u00e9chantillonnage direct de signaux RF.<\/p>\n","protected":false},"author":22,"featured_media":230013,"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-230012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur A\/N 14 bits ultra-rapide pour signaux RF ...<\/title>\n<meta name=\"description\" content=\"Avec une densit\u00e9 de bruit extr\u00eamement basse de -154 dBFs\/Hz et une excellente dynamique, le convertisseur A\/N \u00e0 deux voies AD9680, 14 bits \u00e0 1 G\u00e9ch\/s...\" \/>\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\/230012\/\" \/>\n<meta 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