{"id":121936,"date":"2018-05-09T22:31:44","date_gmt":"2018-05-09T22:31:44","guid":{"rendered":"https:\/\/\/inductances-variables-non-magnetiques\/"},"modified":"2018-05-09T22:31:44","modified_gmt":"2018-05-09T22:31:44","slug":"inductances-variables-non-magnetiques","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/inductances-variables-non-magnetiques\/","title":{"rendered":"Inductances variables non-magn\u00e9tiques"},"content":{"rendered":"

Ces inductances servent \u00e0 l’adaptation et au tarage d’amplificateurs faible-bruit, d’amplificateurs de puissance et de m\u00e9langeurs, et servent aussi \u00e0 r\u00e9aliser des circuits r\u00e9sonants \u00e0 fr\u00e9quence s\u00e9lective dans certains oscillateurs \u00e0 fr\u00e9quence variable.<\/p>\n

Avec une hauteur hors-tout de seulement 9 mm (0,35 pouce) en version CMS, CMS verticale ou traversante, ils sont parfaits pour les applications compatibles avec les syst\u00e8mes IRM\/RMN, les brouilleurs radio, les amplificateurs, les radars, les instruments de vol et les \u00e9quipements de test.  De mani\u00e8re g\u00e9n\u00e9rale, les applications n\u00e9cessitant une puissance importante et des valeurs Q \u00e9lev\u00e9es. <\/p>\n

Les bobines et les noyaux en PTFE profitent d\u2019une conception brevet\u00e9e avec un usinage de pr\u00e9cision pour garantir un pas d’enroulement constant et une relation constante avec le circuit imprim\u00e9. L’accord se fait gr\u00e2ce \u00e0 un c\u0153ur en alliage de cuivre non-magn\u00e9tique \u00e0 filetage PTFE. Les tol\u00e9rances aux chocs, aux vibrations et aux variations thermiques sont excellentes, la plage de temp\u00e9rature op\u00e9rationnelle s\u2019\u00e9tend de -40\u00b0C \u00e0 +85\u00b0C.  Les versions catalogue proposent des valeurs nominales allant de 33 \u00e0 118 nH, pour 2 \u00e0 7 tours, avec des valeurs Q jusqu\u2019\u00e0 121. Des versions sp\u00e9ciales 100 MHz, \u00e0 fr\u00e9quence de r\u00e9sonance 0.7 \u00e0 1.2 GHz, sont disponibles en valeurs hors-catalogue. Tous ces composants sont conformes RoHs.<\/p>\n

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

Filtres EMI pour applications haute fiabilit\u00e9<\/a><\/h3>\n

Knowles lance des MLCC \u00ab\u00a0surtension et s\u00e9curit\u00e9\u00a0\u00bb sp\u00e9cifi\u00e9s 500 VAC<\/a><\/h3>\n

Solutions de d\u00e9couplage, de filtrage RF, et de blocage DC<\/a><\/h3>\n

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

Ces inductances variables \u00e0 la marque Johanson Manufacturing, de Knowles Precision Devices, combinent petite taille et hautes performances avec des propri\u00e9t\u00e9s non-magn\u00e9tiques. Ce sont des composants indispensables \u00e0 de nombreux produits RF.<\/p>\n","protected":false},"author":9,"featured_media":121937,"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-121936","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Inductances variables non-magn\u00e9tiques ...<\/title>\n<meta name=\"description\" content=\"Ces inductances variables \u00e0 la marque Johanson Manufacturing, de Knowles Precision Devices, combinent petite taille et hautes performances avec des...\" \/>\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\/121936\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inductances variables non-magn\u00e9tiques\" \/>\n<meta property=\"og:description\" content=\"Ces inductances variables \u00e0 la marque Johanson Manufacturing, de Knowles Precision Devices, combinent petite taille et hautes performances avec des propri\u00e9t\u00e9s non-magn\u00e9tiques. 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