{"id":99488,"date":"2019-01-02T23:12:35","date_gmt":"2019-01-02T23:12:35","guid":{"rendered":"https:\/\/\/antenne-wi-fi-flexible-pour-appareils-compacts\/"},"modified":"2019-01-02T23:12:35","modified_gmt":"2019-01-02T23:12:35","slug":"antenne-wi-fi-flexible-pour-appareils-compacts","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/antenne-wi-fi-flexible-pour-appareils-compacts\/","title":{"rendered":"Antenne Wi-Fi flexible pour appareils compacts"},"content":{"rendered":"

\u00ab Les contraintes de conception impos\u00e9es par la miniaturisation actuelle des appareils repr\u00e9sentent un immense d\u00e9fi, mais il ne s\u2019agit pas d\u2019une simple question d\u2019espace disponible sur la carte et dans le bo\u00eetier \u00bb, estime Bob Wang, chef de produit chez Molex Shanghai. \u00ab De nos jours, un smartphone ou une tablette peuvent contenir plusieurs radios, tout en utilisant des techniques sophistiqu\u00e9es telles que les sauts de fr\u00e9quence, l\u2019\u00e9talement du spectre ou encore la modulation OFDM. Parall\u00e8lement, les bandes de 2,4 GHz et 5 GHz, qui peuvent \u00eatre exploit\u00e9es sans licence, sont de plus en plus encombr\u00e9es. La demande d\u2019antennes con\u00e7ues par des experts et fabriqu\u00e9es avec pr\u00e9cision n\u2019a jamais \u00e9t\u00e9 aussi importante, et Molex est l\u00e0 pour relever ce d\u00e9fi. \u00bb <\/p>\n

Lorsque les antennes \u00e0 c\u00e2ble d\u2019alimentation central ne r\u00e9pondent pas aux besoins d\u2019applications sp\u00e9cifiques, il faut alors avoir recours \u00e0 des mod\u00e8les \u00e0 c\u00e2ble d\u2019alimentation lat\u00e9ral. Pour satisfaire \u00e0 la demande du march\u00e9, Molex a mis au point deux mod\u00e8les \u00e0 c\u00e2ble d\u2019alimentation lat\u00e9ral : les antennes flexibles \u00e0 alimentation lat\u00e9rale de la s\u00e9rie 206994<\/a>, de type unipolaire, et de la s\u00e9rie 204281<\/a>, de type doublet. L\u2019antenne unipolaire de la s\u00e9rie 206994 r\u00e9pond aux exigences des appareils de petite taille, tandis que le doublet de la s\u00e9rie 204281 prend en charge les applications qui requi\u00e8rent une transmission parfaitement \u00e9quilibr\u00e9e et l\u2019ind\u00e9pendance du plan de sol, quelle que soit la longueur du c\u00e2ble.<\/p>\n

L\u2019antenne Wi-Fi flexible hautement compacte de la s\u00e9rie 206994, qui mesure \u00e0 peine 15 mm x 6 mm afin de s\u2019adapter aux contraintes d\u2019espace actuelles, est une nouvelle offre de Molex. Outre son extr\u00eame compacit\u00e9, elle fournit une performance RF \u00e9lev\u00e9e, avec un rendement d\u2019antenne sup\u00e9rieur \u00e0 70 % et un facteur d\u2019adaptation inf\u00e9rieur \u00e0 -10 dB. Elle est donc id\u00e9ale pour les applications soumises \u00e0 des contraintes d\u2019espace et n\u00e9cessitant un gain d\u2019au moins 3,6 dBi.<\/p>\n

www.molex.com\/link\/antennas.html<\/a><\/p>\n

Connecteurs fil-\u00e0-carte \u00e0 pas de 1 mm<\/a><\/h3>\n

R\u00e9seau Ethernet automobile 10 Gbit\/s de bout en bout<\/a><\/h3>\n

Embases combin\u00e9es puissance et signal \u00ab custom \u00bb<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"

Con\u00e7ue pour une int\u00e9gration simple et rapide dans les appareils sans fil, avec des co\u00fbts minimes de mise en \u0153uvre, l\u2019antenne flexible \u00e0 c\u00e2ble d\u2019alimentation lat\u00e9ral de la s\u00e9rie 206994 de Molex autorise une transmission RF haute performance dans les applications Wi-Fi les plus exigeantes, y compris celles qui sont soumises \u00e0 des contraintes d\u2019espace.<\/p>\n","protected":false},"author":9,"featured_media":99489,"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-99488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Antenne Wi-Fi flexible pour appareils compacts ...<\/title>\n<meta name=\"description\" content=\"Con\u00e7ue pour une 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