{"id":233168,"date":"2015-05-21T22:00:00","date_gmt":"2015-05-21T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/amplificateurs-4-ghz-a-tres-faible-courant-de-polarisation\/"},"modified":"2015-05-21T22:00:00","modified_gmt":"2015-05-21T22:00:00","slug":"amplificateurs-4-ghz-a-tres-faible-courant-de-polarisation","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/amplificateurs-4-ghz-a-tres-faible-courant-de-polarisation\/","title":{"rendered":"Amplificateurs 4 GHz \u00e0 tr\u00e8s faible courant de polarisation"},"content":{"rendered":"

Le courant de polarisation d’entrée est de 0,9 pA max. de -40 °C à +85 °C, et de seulement 4 pA sur la gamme de températures de -40 °C à +125 °C. Les niveaux de bruit en tension et en courant dans la bande passante sont respectivement de 4 nV\/Hz1\/2 et 7 fA\/Hz1\/2. Avec une capacité d’entrée de 0,45 pF et une vitesse de balayage de 1000 V\/µs, ces amplificateurs conviennent aux circuits à photodiode et à photomultiplicateurs (PMT), aux applications à capteur de haute impédance et au contrôle des convertisseurs analogiques-numériques (CAN).
\nLa fiche technique du modèle simple entrée présente le circuit et les recommandations d’implantation pour optimiser le fonctionnement du TIA avec, par exemple, des circuits présentant un produit gain-transimpédance de 20 kOhms pour une bande passante de 210 MHz, jusqu’à celui de 402 kOhms pour 34 MHz. Ce circuit est proposé en boîtier SOT-23 à six broches, ainsi qu’en SOIC à huit broches, avec des broches permettant de créer un anneau de garde contre les fuites de courant. La version double est encapsulée en boîtiers MSOP-8 avec semelle métallique et DFN-10 de 3 x 3 mm. Ces deux composants sont entièrement spécifiés sur les gammes de températures industrielles de -40 °C à +85 °C et de -40 °C à +125 °C. <\/p>\n<\/p>\n

www.linear.com\/product\/LTC6268-10 <\/a>
\nwww.linear.com\/product\/LTC6269-10<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

A simple et double entr\u00e9e FET, les amplificateurs op\u00e9rationnels 4 GHz LTC6268-10 et LTC6269-10 de Linear Technology sont destin\u00e9s aux applications \u00e0 gamme dynamique \u00e9tendue et \u00e0 amplificateur \u00e0 transimp\u00e9dance (TIA) rapide. Ces mod\u00e8les d\u00e9compens\u00e9s accroissent la vitesse et la gamme dynamique de cette famille d\u2019amplificateurs \u00e0 tr\u00e8s faible courant de polarisation pour les applications de gain 10 ou sup\u00e9rieur. <\/p>\n","protected":false},"author":22,"featured_media":233169,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-233168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Amplificateurs 4 GHz \u00e0 tr\u00e8s faible courant de polarisation ...<\/title>\n<meta name=\"description\" content=\"A simple et double entr\u00e9e FET, les amplificateurs op\u00e9rationnels 4 GHz LTC6268-10 et LTC6269-10 de Linear Technology sont destin\u00e9s aux applications \u00e0...\" \/>\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\/233168\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amplificateurs 4 GHz \u00e0 tr\u00e8s faible courant de polarisation\" \/>\n<meta property=\"og:description\" content=\"A simple et double entr\u00e9e FET, les amplificateurs op\u00e9rationnels 4 GHz LTC6268-10 et LTC6269-10 de Linear Technology sont destin\u00e9s aux applications \u00e0 gamme dynamique \u00e9tendue et \u00e0 amplificateur \u00e0 transimp\u00e9dance (TIA) rapide. 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