{"id":9099,"date":"2021-07-02T06:11:33","date_gmt":"2021-07-02T06:11:33","guid":{"rendered":"https:\/\/\/circuit-integre-hyperfrequence-haute-linearite-en-bande-ka\/"},"modified":"2021-07-02T06:11:33","modified_gmt":"2021-07-02T06:11:33","slug":"circuit-integre-hyperfrequence-haute-linearite-en-bande-ka","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuit-integre-hyperfrequence-haute-linearite-en-bande-ka\/","title":{"rendered":"Circuit int\u00e9gr\u00e9 hyperfr\u00e9quence haute lin\u00e9arit\u00e9 en bande Ka"},"content":{"rendered":"<p>Ce nouveau dispositif, qui est le premier CI monolithique hyperfr\u00e9quence (MMIC) GaN de Microchip, est destin\u00e9 aux communications par satellite, commerciales et militaires, aux r\u00e9seaux 5G, et autres syst\u00e8mes a\u00e9rospatiaux et de d\u00e9fense.<\/p>\n<p>Le GMICP2731-10 est fabriqu\u00e9 en technologie nitrure de gallium sur carbure de silicium (GaN-on-SiC). Il d\u00e9livre jusqu&rsquo;\u00e0 10&nbsp;W de puissance de sortie RF satur\u00e9e sur une bande passante de 3,5&nbsp;GHz entre 27,5 et 31&nbsp;GHz. Son efficacit\u00e9 de puissance ajout\u00e9e est de 20%, avec un gain de 22&nbsp;dB pour les petits signaux, et 15&nbsp;dB de pertes retour. Son architecture \u00e9quilibr\u00e9e permet au GMICP2731-10 d&rsquo;\u00eatre adapt\u00e9 \u00e0 une charge 50&nbsp;ohms. Par ailleurs, il int\u00e8gre des condensateurs de blocage du courant continu en sortie pour simplifier son int\u00e9gration au sein d\u2019une conception.<\/p>\n<p>\u00ab&nbsp;Alors que les syst\u00e8mes de communication utilisent des sch\u00e9mas de modulation complexes tels que 128-QAM et que la puissance des amplificateurs \u00e0 semi-conducteurs (SSPA) ne cesse d&rsquo;augmenter, les concepteurs d&rsquo;amplificateurs RF doivent relever le d\u00e9fi de fournir plus de puissance, tout en r\u00e9duisant poids et consommation,&nbsp;\u00bb d\u00e9clare Leon Gross, Vice-Pr\u00e9sident de la division Produits discrets de Microchip. \u00ab&nbsp;Les circuits int\u00e9gr\u00e9s hyperfr\u00e9quence GaN utilis\u00e9s dans les SSPA de forte puissance peuvent pr\u00e9senter une consommation et un poids plus de 30% inf\u00e9rieurs par rapport \u00e0 leurs homologues GaAs, ce qui repr\u00e9sente un gain \u00e9norme pour les fabricants de satellites. Ce produit tient les promesses du GaN et permet d&rsquo;obtenir la taille, le poids, la puissance et le co\u00fbt que recherchent les \u00e9quipementiers.&nbsp;\u00bb<\/p>\n<p>Le GMICP2731-10 vient compl\u00e9ter le catalogue Microchip existant, qui comprend des amplificateurs RF, des commutateurs, des amplificateurs faible bruit et des modules frontaux Wi-Fi en technologie GaAs, ainsi qu&rsquo;un driver de HEMT (transistor \u00e0 haute mobilit\u00e9 \u00e9lectronique) en technologie GaN-on-SiC, et des transistors d\u2019amplificateur final de syst\u00e8mes radar.<\/p>\n<p>Outils de d\u00e9veloppement<\/p>\n<p>Microchip, ainsi que ses partenaires distributeurs, fournit une assistance \u00e0 la conception de cartes tirant parti de ces dispositifs. La soci\u00e9t\u00e9 propose \u00e9galement des mod\u00e8les compacts pour le GMICP2731-10, qui permettent aux clients de mod\u00e9liser plus facilement les performances et d&rsquo;acc\u00e9l\u00e9rer la conception de l&rsquo;amplificateur au sein de leur syst\u00e8me.<\/p>\n<p><a href=\"http:\/\/www.microchip.com\">www.microchip.com<\/a><\/p>\n<p><span style=\"font-family:arial,sans-serif;font-size:10.0pt\">&nbsp;<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les syst\u00e8mes de communication par satellite font appel \u00e0 des sch\u00e9mas de modulation complexes pour atteindre les d\u00e9bits de donn\u00e9es extr\u00eamement rapides n\u00e9cessaires \u00e0 la transmission de vid\u00e9os et de donn\u00e9es \u00e0 tr\u00e8s haut d\u00e9bit. Pour y parvenir, ils doivent fournir une puissance de sortie RF \u00e9lev\u00e9e, tout en veillant \u00e0 ce que les signaux conservent les caract\u00e9ristiques souhait\u00e9es. Le nouvel amplificateur MMIC GaN GMICP2731-10 annonc\u00e9 par Microchip Technology Inc. permet de r\u00e9pondre \u00e0 ces deux exigences. <\/p>\n","protected":false},"author":9,"featured_media":9100,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-9099","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuit int\u00e9gr\u00e9 hyperfr\u00e9quence haute lin\u00e9arit\u00e9 en bande Ka ...<\/title>\n<meta name=\"description\" content=\"Les syst\u00e8mes de communication par satellite font appel \u00e0 des sch\u00e9mas de modulation complexes pour atteindre les d\u00e9bits de donn\u00e9es extr\u00eamement rapides...\" \/>\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\/9099\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circuit int\u00e9gr\u00e9 hyperfr\u00e9quence haute lin\u00e9arit\u00e9 en bande Ka\" \/>\n<meta property=\"og:description\" content=\"Les syst\u00e8mes de communication par satellite font appel \u00e0 des sch\u00e9mas de modulation complexes pour atteindre les d\u00e9bits de donn\u00e9es extr\u00eamement rapides n\u00e9cessaires \u00e0 la transmission de vid\u00e9os et de donn\u00e9es \u00e0 tr\u00e8s haut d\u00e9bit. Pour y parvenir, ils doivent fournir une puissance de sortie RF \u00e9lev\u00e9e, tout en veillant \u00e0 ce que les signaux conservent les caract\u00e9ristiques souhait\u00e9es. Le nouvel amplificateur MMIC GaN GMICP2731-10 annonc\u00e9 par Microchip Technology Inc. permet de r\u00e9pondre \u00e0 ces deux exigences.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/9099\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-02T06:11:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci9343_microchip-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1422\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alain Dieul\" 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