{"id":208088,"date":"2016-06-09T22:00:00","date_gmt":"2016-06-09T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseurs-a-n-sigma-delta-ameliorant-le-controle-de-la-qualite-des-signaux\/"},"modified":"2016-06-09T22:00:00","modified_gmt":"2016-06-09T22:00:00","slug":"convertisseurs-a-n-sigma-delta-ameliorant-le-controle-de-la-qualite-des-signaux","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseurs-a-n-sigma-delta-ameliorant-le-controle-de-la-qualite-des-signaux\/","title":{"rendered":"Convertisseurs A\/N Sigma-Delta am\u00e9liorant le contr\u00f4le de la qualit\u00e9 des signaux"},"content":{"rendered":"<p style=\"margin:0cm;margin-bottom:.0001pt;background:white\">Les convertisseurs A\/N de la s\u00e9rie <span>AD7768 <\/span>comprennent un modulateur sigma delta dont la consommation est ajustable et un filtre num\u00e9rique sur chaque voie permettant la mesure de signaux alternatifs et continus de fa\u00e7on pr\u00e9cise et synchronis\u00e9e. Cette s\u00e9rie vise les applications d\u2019instrumentation, telles que l\u2019acquisition de donn\u00e9es modulaire, les tests audio et la surveillance de biens. En associant un d\u00e9bit \u00e9lev\u00e9, un temps d\u2019\u00e9tablissement tr\u00e8s court et une fonction d\u2019\u00e9chantillonnage simultan\u00e9, les convertisseurs A\/N de la s\u00e9rie AD7768 acc\u00e9l\u00e8rent l\u2019ex\u00e9cution des tests, ce qui r\u00e9duit le co\u00fbt des tests et permet de concevoir des outils d\u2019instrumentation plus efficaces. Gr\u00e2ce au grand nombre de voies dont disposent ces nouveaux convertisseurs, les appareils utilis\u00e9s dans le secteur de la sant\u00e9 \u2014&nbsp;\u00e9quipements de surveillance des signes cliniques vitaux, par exemple \u2014 peuvent b\u00e9n\u00e9ficier d\u2019une densit\u00e9 de voies nettement accrue tout en conservant une large bande passante en entr\u00e9e et une consommation d\u2019\u00e9nergie r\u00e9duite. Ces nouveaux convertisseurs se caract\u00e9risent \u00e9galement par une meilleure surveillance de la qualit\u00e9 de r\u00e9seau \u00e9lectrique gr\u00e2ce \u00e0 la possibilit\u00e9 de d\u00e9tecter les distorsions harmoniques dans une bande passante \u00e9largie et ainsi d\u2019identifier et diagnostiquer tout d\u00e9s\u00e9quilibre du r\u00e9seau. Un layout \u00e9volutif et facile \u00e0 configurer permet \u00e9galement aux concepteurs de syst\u00e8mes de r\u00e9duire les d\u00e9lais et les co\u00fbts en utilisant une m\u00eame s\u00e9rie de convertisseurs dans plusieurs plateformes d\u2019\u00e9quipements, points de performances et plages de mesure.<span style=\"font-family:Calibri\"><\/span><\/p>\n<p style=\"margin:0cm;margin-bottom:.0001pt;background:white\"><a href=\"http:\/\/www.analog.com\/AD7768\"><span style=\"color:windowtext;text-decoration:none\">http:\/\/www.analog.com\/AD7768<\/span><\/a> <span style=\"font-family:Calibri\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analog Devices annonce une s\u00e9rie de convertisseurs analogique\/num\u00e9rique sigma-delta 24 bits \u00e0 \u00e9chantillonnage simultan\u00e9 large bande, destin\u00e9s aux \u00e9quipements tr\u00e8s int\u00e9gr\u00e9s dans les secteurs de l\u2019\u00e9nergie, de la sant\u00e9 et de l\u2019instrumentation.<\/p>\n","protected":false},"author":9,"featured_media":208089,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-208088","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseurs A\/N Sigma-Delta am\u00e9liorant le contr\u00f4le de la q...<\/title>\n<meta name=\"description\" content=\"Analog Devices annonce une s\u00e9rie de convertisseurs analogique\/num\u00e9rique sigma-delta 24 bits \u00e0 \u00e9chantillonnage simultan\u00e9 large bande, destin\u00e9s aux...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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