{"id":174233,"date":"2017-04-28T00:10:12","date_gmt":"2017-04-28T00:10:12","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/amplificateurs-de-puissance-gan-large-bande-6-ghz\/"},"modified":"2017-04-28T00:10:12","modified_gmt":"2017-04-28T00:10:12","slug":"amplificateurs-de-puissance-gan-large-bande-6-ghz","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/amplificateurs-de-puissance-gan-large-bande-6-ghz\/","title":{"rendered":"Amplificateurs de puissance GaN large bande 6 GHz"},"content":{"rendered":"<p>R\u00e9f\u00e9renc\u00e9s HMC7885 et HMC7748, ces deux modules large bande sont destin\u00e9s aux applications fonctionnant entre 2&nbsp;GHz et 6&nbsp;GHz et conviennent aux domaines suivants&nbsp;: test et mesure, communications, remplacement des tubes \u00e0 ondes progressives (TWT), surveillance et contre-mesures a\u00e9riennes et militaires, radars, etc. Ces composants semiconducteurs enti\u00e8rement int\u00e9gr\u00e9s viennent s\u2019ajouter \u00e0 la gamme existante d\u2019amplificateurs de puissance en nitrure de gallium (GaN) con\u00e7us par ADI et dont la grande facilit\u00e9 d\u2019utilisation acc\u00e9l\u00e8re le prototypage et la conception des syst\u00e8mes.<\/p>\n<ul>\n<li>Pour afficher la page du produit, t\u00e9l\u00e9charger la fiche technique, et commander des \u00e9chantillons et des cartes d\u2019\u00e9valuation&nbsp;:&nbsp;<a href=\"http:\/\/www.analog.com\/HMC7885\">analog.com\/HMC7885<\/a> et <a href=\"http:\/\/www.analog.com\/HMC7748\">analog.com\/HMC7748<\/a><\/li>\n<li>Pour de plus amples informations sur les amplificateurs de puissance nitrure de gallium (GaN) et en ars\u00e9niure de gallium (AsGa) \u00e0 base de circuits int\u00e9gr\u00e9s hyperfr\u00e9quences monolithiques (MMIC) d\u2019Analog Devices&nbsp;: <a href=\"http:\/\/www.analog.com\/fr\/products\/rf-microwave\/rf-amplifiers\/power-amplifiers.html\">analog.com\/fr\/products\/rf-microwave\/rf-amplifiers\/power-amplifiers.html<\/a><\/li>\n<li>Pour contacter les ing\u00e9nieurs et les experts d\u2019ADI sur EngineerZone, la communautt\u00e9 d\u2019assistance technique en ligne d\u2019ADI&nbsp;: <a href=\"https:\/\/ez.analog.com\/community\/rf\">https:\/\/ez.analog.com\/community\/rf<\/a><\/li>\n<\/ul>\n<p>Annonc\u00e9 sous la r\u00e9f\u00e9rence HMC7885, cet amplificateur hybride \u00e9tanche 32&nbsp;W log\u00e9 en bo\u00eetier herm\u00e9tique pour applications haute fiabilit\u00e9 fournit un gain \u00ab&nbsp;petit signal&nbsp;\u00bb typique de 21&nbsp;dB pour une puissance de sortie RF satur\u00e9e de 45&nbsp;dBm. Sa consommation de courant de repos est de 2,2&nbsp;A sous une tension d\u2019alimentation continue de 28&nbsp;V. Ses entr\u00e9es et sorties RF filtrent le continu et sont adapt\u00e9 en imp\u00e9dance 50&nbsp;ohms pour une utilisation ais\u00e9e. Une carte d\u2019\u00e9valuation disponible avec routage et nomenclature facilite la qualification de l\u2019application.<\/p>\n<p>L\u2019amplificateur HMC7748 est un module d\u2019amplification de puissance multi-\u00e9tages enti\u00e8rement int\u00e9gr\u00e9 qui d\u00e9livre une puissance de sortie satur\u00e9e de 25&nbsp;W, accepte des entr\u00e9es jusqu\u2019\u00e0 -8&nbsp;dBm avec un gain \u00ab&nbsp;petit signal&nbsp;\u00bb de 60&nbsp;dB. Il comprend le s\u00e9quen\u00e7age et la r\u00e9gulation des alimentations, avec adaptation d\u2019imp\u00e9dance de 50 ohms. Cet ampli de puissance consomme 0,7&nbsp;A sous une tension d\u2019alimentation de 12&nbsp;V et jusqu\u2019\u00e0 4&nbsp;A sous 28&nbsp;V. Une broche de mise on\/off (<em>enable<\/em>) fournit une fonction de mise \u00e0 l\u2019arr\u00eat de sorte que l\u2019amplificateur peut \u00eatre activ\u00e9 et d\u00e9sactiv\u00e9 sans cyclage des alimentations.<\/p>\n<p>Ces deux nouveaux amplificateurs de puissance GaN apportent des am\u00e9liorations significatives en mati\u00e8re de performances et de bo\u00eetiers pour les applications large bande et moyenne puissance jusqu\u2019\u00e0 6&nbsp;GHz, cr\u00e9ant une solution critique compatible avec les exigences de dimensions, poids et consommation des produits modernes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analog Devices, Inc. annonce la disponibilit\u00e9 de deux modules d\u2019amplification de puissance hautes performances en nitrure de gallium (GaN) dont la densit\u00e9 de puissance compte parmi les plus \u00e9lev\u00e9es de leur cat\u00e9gorie, ce qui permet de r\u00e9duire les dimensions et le poids du sous-syst\u00e8me. <\/p>\n","protected":false},"author":9,"featured_media":174234,"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-174233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Amplificateurs de puissance GaN large bande 6 GHz ...<\/title>\n<meta name=\"description\" content=\"Analog Devices, Inc. annonce la disponibilit\u00e9 de deux modules d\u2019amplification de puissance hautes performances en nitrure de gallium (GaN) dont 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\/174233\/\" \/>\n<meta property=\"og:locale\" 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