{"id":381140,"date":"2022-04-19T10:35:23","date_gmt":"2022-04-19T08:35:23","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=381140"},"modified":"2022-04-19T10:35:23","modified_gmt":"2022-04-19T08:35:23","slug":"solution-de-test-emetteur-recepteur-numerique-a-large-bande","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/solution-de-test-emetteur-recepteur-numerique-a-large-bande\/","title":{"rendered":"Solution de test \u00e9metteur-r\u00e9cepteur num\u00e9rique \u00e0 large bande"},"content":{"rendered":"<p>Radars de d\u00e9fense, communications par satellite ou encore la 5G utilisent des antennes \u00e0 r\u00e9seau phas\u00e9 (PAA) pour r\u00e9pondre aux exigences de performance et de polyvalence pour les fr\u00e9quences d&rsquo;ondes millim\u00e9triques. Parce que les signaux num\u00e9riques sont tr\u00e8s int\u00e9gr\u00e9s dans l&rsquo;architecture frontale RF des antennes modernes, il est n\u00e9cessaire de recourir \u00e0 une nouvelle m\u00e9thodologie de mesure des signaux de stimulation et de leurs r\u00e9ponses.<\/p>\n<p>La nouvelle solution de test \u00e9metteur-r\u00e9cepteur num\u00e9rique \u00e0 large bande de Keysight compare les signaux num\u00e9riques et RF entre l&rsquo;entr\u00e9e et la sortie du dispositif. De plus, elle mesure les r\u00e9ponses de l&rsquo;\u00e9metteur et du r\u00e9cepteur ind\u00e9pendamment d&rsquo;autres instruments de test. Elle est comprise dans les solutions mat\u00e9rielles et logicielles suivantes de Keysight :<\/p>\n<ul>\n<li>Analyseur de r\u00e9seau vectoriel N52xxB PNA\/PNA-X : un moteur de test int\u00e9gr\u00e9 et flexible pour les micro-ondes permettant de mesurer les amplificateurs, les m\u00e9langeurs, les convertisseurs de fr\u00e9quence et autres dispositifs actifs.<\/li>\n<li>S94601B Device Measurement eXpert Software : un assistant de configuration qui permet aux utilisateurs de mettre en place des mesures complexes pour diff\u00e9rents types d&rsquo;appareils.<\/li>\n<li>Logiciel d&rsquo;analyse d&rsquo;\u00e9metteur-r\u00e9cepteur num\u00e9rique \u00e0 large bande S94610B : un cr\u00e9ateur de formes d&rsquo;onde de test et assistant de configuration qui permet de configurer des dispositifs RF num\u00e9riques mixtes.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Les formes d&rsquo;onde de stimulus \u00e0 large bande sont produites par le g\u00e9n\u00e9rateur de signaux vectoriels VXG de Keysight (M938xB) tandis que le logiciel PNA-X Device Measurement eXpert permet la caract\u00e9risation des dispositifs avec une interface de contr\u00f4le compl\u00e8te de la solution. Les utilisateurs et chercheurs b\u00e9n\u00e9ficient de mesure de qualit\u00e9 et de fid\u00e9lit\u00e9 du signal de l&rsquo;\u00e9quipement de test RF de Keysight pour tester les nouveaux dispositifs RF num\u00e9riques mixtes, pour minimiser les erreurs et obtenir les meilleures caract\u00e9ristiques de performance.<\/p>\n<p>\u201c Les signaux num\u00e9riques sont fortement int\u00e9gr\u00e9s dans l&rsquo;architecture frontale RF des antennes modernes, qui n\u00e9cessitent une nouvelle m\u00e9thodologie de mesure pour la caract\u00e9risation des performances. La solution de test \u00e9metteur-r\u00e9cepteur num\u00e9rique large bande de Keysight permet une r\u00e9elle caract\u00e9risation des performances RF, tout en acc\u00e9l\u00e9rant les mesures et l&rsquo;analyse des donn\u00e9es pour permettre au final, d\u2019acc\u00e9l\u00e9rer l&rsquo;ensemble du cycle de conception et la mise sur le march\u00e9 des produits \u201d, d\u00e9clare Dan Dunn, Vice-Pr\u00e9sident des solutions gouvernementales pour l&rsquo;A\u00e9rospatiale et la D\u00e9fense de Keysight.<\/p>\n<p>&nbsp;<\/p>\n<p>La solution de test des \u00e9metteurs-r\u00e9cepteurs num\u00e9riques \u00e0 large bande de Keysight offre des avantages-cl\u00e9s suivants :<\/p>\n<ul>\n<li>R\u00e9duction \u00e0 en quelques minutes des semaines de mesure et d&rsquo;analyse des donn\u00e9es en interne.<\/li>\n<li>Optimisation jusqu\u2019au niveau des composants (convertisseurs analogiques-num\u00e9riques, num\u00e9riques-analogiques et circuits int\u00e9gr\u00e9s des \u00e9metteurs-r\u00e9cepteurs),au niveau des sous-syst\u00e8mes (modules d&rsquo;\u00e9mission et de r\u00e9ception des radars\/de la guerre \u00e9lectronique), les \u00e9metteurs\/r\u00e9cepteurs de communications par satellite et au niveau des circuits, y compris les circuits de signaux int\u00e9graux des AAP 5G utilisant la technologie d&rsquo;entr\u00e9es et de sortie massives multiples.<\/li>\n<li>Garantie d\u2019une grande pr\u00e9cision de mesure de la bande passante de gigahertz dans les fr\u00e9quences d&rsquo;ondes millim\u00e9triques.<\/li>\n<li>Adaptation aux conceptions num\u00e9riques priv\u00e9es gr\u00e2ce \u00e0 la solution syst\u00e8me personnalis\u00e9e de Keysight.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.keysight.com\">www.keysight.com<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Keysight Technologies lance la nouvelle solution de test d&rsquo;\u00e9metteur-r\u00e9cepteur num\u00e9rique \u00e0 large bande qui donne un aper\u00e7u des caract\u00e9ristiques r\u00e9elles de performance en mati\u00e8re de radiofr\u00e9quences des dispositifs RF num\u00e9riques mixtes. <\/p>\n","protected":false},"author":36,"featured_media":381141,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[911],"domains":[47],"ppma_author":[1154],"class_list":["post-381140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-testandmeasurement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Solution de test \u00e9metteur-r\u00e9cepteur num\u00e9rique \u00e0 large bande ...<\/title>\n<meta name=\"description\" content=\"Keysight Technologies lance la nouvelle solution de test d&#039;\u00e9metteur-r\u00e9cepteur num\u00e9rique \u00e0 large bande qui donne un aper\u00e7u des caract\u00e9ristiques r\u00e9elles...\" 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