{"id":232784,"date":"2015-04-08T22:00:00","date_gmt":"2015-04-08T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-n-a-16-bits-4-voies-a-large-plage-dynamique\/"},"modified":"2015-04-08T22:00:00","modified_gmt":"2015-04-08T22:00:00","slug":"convertisseur-n-a-16-bits-4-voies-a-large-plage-dynamique","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-n-a-16-bits-4-voies-a-large-plage-dynamique\/","title":{"rendered":"Convertisseur N\/A 16 bits 4 voies \u00e0 large plage dynamique"},"content":{"rendered":"<p>L&rsquo;association de ces caract&eacute;ristiques permet aux concepteurs d&rsquo;utiliser un seul et unique composant &agrave; haute int&eacute;gration pour r&eacute;pondre &agrave; toutes les exigences des &eacute;metteurs GSM et LTE multi-porteuses con&ccedil;us pour les macro-stations de base sans fil, les liaisons radio HF point-&agrave;-point, les liaisons radio militaires et les &eacute;quipements de test radio.<br \/>\nCe circuit est con&ccedil;u pour convertir deux signaux d&rsquo;entr&eacute;e num&eacute;riques I\/Q et ainsi cr&eacute;er un signal FI complexe appliqu&eacute; &agrave; l&rsquo;entr&eacute;e d&rsquo;une paire de c&oelig;urs de convertisseurs N\/A int&eacute;gr&eacute;s. Il se caract&eacute;rise par diff&eacute;rents modes d&rsquo;interpolation, ce qui augmente la fr&eacute;quence d&rsquo;&eacute;chantillonnage du signal num&eacute;rique jusqu&rsquo;&agrave; la fr&eacute;quence de Nyquist et rend possible la r&eacute;alisation de filtres d&rsquo;&eacute;mission plus simples et moins on&eacute;reux en aval de la sortie analogique du convertisseur A\/N. De plus, il comprend une fonction de correction du signal num&eacute;rique pour convertisseurs en quadrature afin d&rsquo;annuler la composante d&rsquo;oscillateur local r&eacute;siduelle et les bandes lat&eacute;rales ind&eacute;sirables.<br \/>\nEn outre, l&rsquo;interface JESD204B huit voies int&eacute;gr&eacute;e simplifie la conception du circuit imprim&eacute; gr&acirc;ce &agrave; une latence d&eacute;terministe et la possibilit&eacute; de synchronisation de plusieurs composants reli&eacute;s &agrave; diff&eacute;rentes antennes, une caract&eacute;ristique de plus en plus courante dans les stations de base sans fil et les communications radar et radio militaires.<br \/>\nParmi les autres caract&eacute;ristiques de ce circuit, on note un taux de fuite entre canaux adjacents (ACLR) dans la bande de 20 MHz LTE simple porteuse de 76,7 dBc &agrave; la fr&eacute;quence interm&eacute;diaire de 180 MHz et une distorsion d&rsquo;intermodulation (IMD) GSM &agrave; six porteuses de 78 dBc pour un espacement entre porteuses de 600 kHz &agrave; la fr&eacute;quence interm&eacute;diaire de 180 MHz. De plus, sa plage dynamique sans interf&eacute;rence (SFDR) est de 72 dBc &agrave; la fr&eacute;quence interm&eacute;diaire de 180 MHz, -6 dBFS.<br \/>\nD&rsquo;une faible consommation de seulement 2,1 W &agrave; 1,5 G&eacute;ch\/sec, ce convertisseur est encapsul&eacute; dans un petit bo&icirc;tier LFCSP 88 contacts de 12 x 12 mm.<\/p>\n<\/p>\n<p><a title=\"www.analog.com\/AD9154\" target=\"_blank\" href=\"http:\/\/www.analog.com\/AD9154\" rel=\"noopener\">www.analog.com\/AD9154<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Destin\u00e9 aux \u00e9metteurs complexes fonctionnant en fr\u00e9quences interm\u00e9diaires (FI), le convertisseur num\u00e9rique\/analogique 16 bits 4 voies AD9154 d\u2019Analog Devices se distingue par sa boucle \u00e0 verrouillage de phase (PLL) int\u00e9gr\u00e9e et son interface JESD204B huit voies. Avec une bande passante de 2,4 G\u00e9ch\/sec, il affiche d\u2019excellentes performances dynamiques dans la bande de 100 \u00e0 300 MHz.<\/p>\n","protected":false},"author":22,"featured_media":232785,"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-232784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur N\/A 16 bits 4 voies \u00e0 large plage dynamique ...<\/title>\n<meta name=\"description\" content=\"Destin\u00e9 aux \u00e9metteurs complexes fonctionnant en fr\u00e9quences interm\u00e9diaires (FI), le convertisseur num\u00e9rique\/analogique 16 bits 4 voies AD9154 d\u2019Analog...\" \/>\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\/232784\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseur N\/A 16 bits 4 voies \u00e0 large plage dynamique\" \/>\n<meta property=\"og:description\" content=\"Destin\u00e9 aux \u00e9metteurs complexes fonctionnant en fr\u00e9quences interm\u00e9diaires (FI), le convertisseur num\u00e9rique\/analogique 16 bits 4 voies AD9154 d\u2019Analog Devices se distingue par sa boucle \u00e0 verrouillage de phase (PLL) int\u00e9gr\u00e9e et son interface JESD204B huit voies. Avec une bande passante de 2,4 G\u00e9ch\/sec, il affiche d\u2019excellentes performances dynamiques dans la bande de 100 \u00e0 300 MHz.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/232784\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2015-04-08T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci7206_adi-ad9154_r.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1860\" \/>\n\t<meta property=\"og:image:height\" content=\"1294\" \/>\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 name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"eeNews Europe\" \/>\n\t<meta name=\"twitter:label2\" 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