{"id":117740,"date":"2017-06-24T22:31:44","date_gmt":"2017-06-24T22:31:44","guid":{"rendered":"https:\/\/\/commutateurs-en-silicium-sur-isolant-a-44-ghz-tres-faibles-pertes-dinsertion\/"},"modified":"2017-06-24T22:31:44","modified_gmt":"2017-06-24T22:31:44","slug":"commutateurs-en-silicium-sur-isolant-a-44-ghz-tres-faibles-pertes-dinsertion","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/commutateurs-en-silicium-sur-isolant-a-44-ghz-tres-faibles-pertes-dinsertion\/","title":{"rendered":"Commutateurs en silicium sur isolant \u00e0 44 GHz tr\u00e8s faibles pertes d\u2019insertion"},"content":{"rendered":"

R\u00e9alis\u00e9s en technologie silicium sur isolant (SoI) avanc\u00e9e, ces deux nouveaux commutateurs large bande r\u00e9f\u00e9renc\u00e9s ADRF5024<\/a> et ADRF5025<\/a> se caract\u00e9risent par une r\u00e9ponse en fr\u00e9quence stable entre 100 MHz et 44 GHz pour l\u2019ADRF5024 et entre 9 kHz et 44 GHz pour l\u2019ADRF5025, avec des caract\u00e9ristiques r\u00e9p\u00e9tables inf\u00e9rieures \u00e0 1,7 dB en pertes d\u2019insertion et \u00e0 35 dB en isolation entre voies. Ces deux commutateurs supportent une tenue en puissance de 27 dBm \u00e0 la fois en mode passant et en mode de commutation \u00e0 chaud. Disponibles en bo\u00eetier haute fiabilit\u00e9 compact (2,25 x 2,25 mm) compatible avec la technologie de montage en surface (CMS), ils se distinguent des solutions existantes par des performances \u00e9lectriques meilleures \u00e9vitant aux concepteurs de solutions RF et hyperfr\u00e9quencesd\u2019utiliser une tension de polarisation, \u00e9liminent les composants p\u00e9riph\u00e9riques et permettent d\u2019atteindreun plus haut niveau d\u2019int\u00e9gration dans des syst\u00e8mes tels que les r\u00e9seaux \u00e0 commande de phase, l\u2019instrumentation portable, les scanners corporels haute r\u00e9solution et l\u2019infrastructure de communications en ondes millim\u00e9triques de nouvelle g\u00e9n\u00e9ration pour r\u00e9seaux 5G et les grandes constellations de satellites.<\/p>\n

Les commutateurs ADRF5024 et ADRF5025 sont b\u00e2tis sur une architecture r\u00e9fl\u00e9chissante inh\u00e9rente et caract\u00e9ris\u00e9s pour une plage de temp\u00e9rature de fonctionnement comprise entre -40 et 105 \u00b0C. Toutes les broches disposent d\u2019une protection robuste contre les d\u00e9charges \u00e9lectrostatiques (ESD). Ils fonctionnent sous une tension d\u2019alimentation nominale de \u00b1 3,3 V et consomment un courant d\u2019alimentation peu \u00e9lev\u00e9, inf\u00e9rieur \u00e0 120 \u00b5A typiques. L\u2019utilisation de tensions de commande logique positive standard simplifie la conception de l\u2019interface. <\/p>\n

Ces deux nouveaux commutateurs remplacent id\u00e9alement les mod\u00e8les \u00e9quip\u00e9s de diodes PIN. En effet, aucun composant externe n\u2019est n\u00e9cessaire pour la g\u00e9n\u00e9ration de tensions de polarisation ou l\u2019adaptation d\u2019imp\u00e9dance, tandis que les broches de signal sont polaris\u00e9es en interne \u00e0 la masse (GND), ce qui \u00e9vite d\u2019utiliser des condensateurs de blocage du courant continu. <\/p>\n

L\u2019ADRF5024 est optimis\u00e9 pour les applications de commutation rapide avec des vitesses inf\u00e9rieures \u00e0 10 ns et des vitesses de mont\u00e9e de 2 ns, tandis que l\u2019ADRF5025 convient davantage aux applications ultra-large bande gr\u00e2ce \u00e0 de bonnes caract\u00e9ristiques \u00e0 basse fr\u00e9quence jusqu\u2019\u00e0 9 kHz. Ces deux nouvelles r\u00e9f\u00e9rences partagent des caract\u00e9ristiques identiques, de sorte qu\u2019elles sont fonctionnellement interchangeables et occupent le m\u00eame espace sur un circuit imprim\u00e9.<\/p>\n

www.analog.com<\/a><\/p>\n

analog.com\/ADRF5024<\/a><\/p>\n

analog.com\/ADRF5025<\/a><\/p>\n

Pour en savoir plus sur la gamme de commutateurs RF Analog Devices : analog.com\/en\/products\/rf-microwave\/rf-switches.html<\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Analog Devices, Inc. annonce la disponibilit\u00e9 en volume de deux nouveaux commutateurs 44 GHz unipolaires \u00e0 deux directions SPDT (Single-Pole Double-Throw)<\/p>\n","protected":false},"author":9,"featured_media":117741,"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-117740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Commutateurs en silicium sur isolant \u00e0 44 GHz tr\u00e8s faibles pe...<\/title>\n<meta name=\"description\" content=\"Analog Devices, Inc. annonce la disponibilit\u00e9 en volume de deux nouveaux commutateurs 44 GHz unipolaires \u00e0 deux directions SPDT (Single-Pole Double-Throw)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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