{"id":13236,"date":"2024-06-06T18:07:35","date_gmt":"2024-06-06T18:07:35","guid":{"rendered":"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/tw1889xf-antenne-multi-constellation-a-double-bande\/"},"modified":"2024-06-21T19:01:52","modified_gmt":"2024-06-21T19:01:52","slug":"tw1889xf-antenne-multi-constellation-a-double-bande","status":"publish","type":"gnss_product","link":"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss_product\/tw1889xf-antenne-multi-constellation-a-double-bande\/","title":{"rendered":"TW1889XF Antenne bi-bande multi-constellation"},"content":{"rendered":"\n

<\/p>\n\n

Le TW1889XF utilise la technologie brevet\u00e9e Accutenna\u00ae de Calian, offrant une couverture bi-bande GPS L1\/L2, GLONASS G1\/G2\/G3, Galileo E1\/E5b, et BeiDou B1\/B2b. Il est sp\u00e9cialement con\u00e7u pour le positionnement bi-fr\u00e9quence de pr\u00e9cision o\u00f9 la l\u00e9g\u00e8ret\u00e9 est importante.<\/p>\n\n

Le TW1889XF est dot\u00e9 d’un \u00e9l\u00e9ment de patch circulaire \u00e0 double alimentation, empil\u00e9 et r\u00e9gl\u00e9 avec pr\u00e9cision. Les signaux provenant des deux alimentations orthogonales sont combin\u00e9s dans un combinateur hybride, amplifi\u00e9s dans un LNA \u00e0 large bande, divis\u00e9s en bandes pour un filtrage XF \u00e9troit dans chaque bande, et encore amplifi\u00e9s avant d’\u00eatre recombin\u00e9s \u00e0 la sortie.<\/p>\n\n

Le spectre des fr\u00e9quences radio est devenu plus encombr\u00e9 \u00e0 mesure que de nouvelles bandes LTE sont activ\u00e9es et leurs signaux ou fr\u00e9quences harmoniques [par exemple 800 MHz x 2 = 1600 MHz (GLONASS-G1)] peuvent affecter les antennes et les r\u00e9cepteurs GNSS. En Am\u00e9rique du Nord, les signaux Ligado pr\u00e9vus entre 1525 et 1536 MHz peuvent avoir un impact particulier sur les antennes GNSS. Les nouveaux signaux LTE en Europe [Band 32 (1452 – 1496 MHz)] et au Japon [Bands 11 and 21 (1476 \u2013 1511 MHz)] ont \u00e9galement \u00e9t\u00e9 observ\u00e9s comme interf\u00e9rant avec les signaux GNSS. En outre, les communications par satellite Inmarsat (liaison montante : 1626,5 – 1660,5 MHz) peuvent \u00e9galement affecter les signaux GNSS. Les antennes XF de Calian ont \u00e9t\u00e9 con\u00e7ues pour att\u00e9nuer les signaux hors bande et emp\u00eacher la saturation des antennes GNSS. Le filtrage XF personnalis\u00e9 de Calian att\u00e9nue tous les signaux existants et les nouveaux signaux Ligado et LTE, ce qui permet aux antennes et aux r\u00e9cepteurs GNSS connect\u00e9s de fonctionner de mani\u00e8re optimale.<\/p>\n\n

Le TW1889XF offre un excellent rapport axial et une variation du centre de phase \u00e9troitement group\u00e9e.<\/p>\n\n

<\/p>\n\n

<\/p>\n\n

<\/p>\n\n

<\/p>\n\n

\n
\n

Caract\u00e9ristiques<\/h2>\n\n\n\n
    \n
  • \u00c9l\u00e9ment compact de r\u00e9partition \u00e0 double alimentation<\/li>\n\n\n\n
  • Faible facteur de bruit, 1,0 dB typ.<\/li>\n\n\n\n
  • Rapport axial : \u2264 2.0 dB typ. sur toute la bande passante <\/li>\n\n\n\n
  • Variation \u00e9troite du centre de phase<\/li>\n\n\n\n
  • LNA \u00e0 gain \u00e9lev\u00e9 (28 dB typ.)<\/li>\n\n\n\n
  • Faible courant (25 mA typ.)<\/li>\n\n\n\n
  • Protection du circuit ESD (15 kV)<\/li>\n\n\n\n
  • Performance invariante de 2,5 \u00e0 16 VDC<\/li>\n\n\n\n
  • Conforme aux normes IP67, REACH et RoHS<\/li>\n<\/ul>\n\n\n\n

    <\/p>\n<\/div>\n\n\n\n

    \n

    Avantages<\/h2>\n\n\n\n
      \n
    • L\u00e9ger (37 g sans le c\u00e2ble et le connecteur)<\/li>\n\n\n\n
    • Excellente r\u00e9ception des signaux \u00e0 polarisation circulaire RH <\/li>\n\n\n\n
    • Excellente r\u00e9jection des trajets multiples<\/li>\n\n\n\n
    • Pr\u00e9cision accrue du syst\u00e8me<\/li>\n\n\n\n
    • Excellent rapport signal\/bruit<\/li>\n\n\n\n
    • Plage de temp\u00e9rature industrielle<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n

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

      Le TW1889XF utilise la technologie brevet\u00e9e Accutenna\u00ae de Calian, offrant une couverture bi-bande GPS L1\/L2, GLONASS G1\/G2\/G3, Galileo E1\/E5b, et BeiDou B1\/B2b. Il est sp\u00e9cialement con\u00e7u pour le positionnement bi-fr\u00e9quence de pr\u00e9cision o\u00f9 la l\u00e9g\u00e8ret\u00e9 est importante. <\/p>\n

      Le TW1889XF est dot\u00e9 d’un \u00e9l\u00e9ment de patch circulaire \u00e0 double alimentation, empil\u00e9 et r\u00e9gl\u00e9 avec pr\u00e9cision. Les …<\/p>\n","protected":false},"featured_media":11319,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":""},"post_tag":[169],"gnss_category":[332],"gnss_industry":[],"product_type":[167],"mount_type":[168],"class_list":["post-13236","gnss_product","type-gnss_product","status-publish","has-post-thumbnail","hentry","tag-embarque","gnss_category-produits","product_type-antennes","mount_type-oem-embarque"],"acf":[],"yoast_head":"\nTW1889XF Antenne bi-bande multi-constellation - Calian Space (GNSS)<\/title>\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.calian.com\/advanced-technologies\/fr\/gnss_product\/tw1889xf-antenne-multi-constellation-a-double-bande\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TW1889XF Antenne bi-bande multi-constellation - Calian Space (GNSS)\" \/>\n<meta property=\"og:description\" content=\"Le TW1889XF utilise la technologie brevet\u00e9e Accutenna\u00ae de Calian, offrant une couverture bi-bande GPS L1\/L2, GLONASS G1\/G2\/G3, Galileo E1\/E5b, et BeiDou B1\/B2b. Il est sp\u00e9cialement con\u00e7u pour le positionnement bi-fr\u00e9quence de pr\u00e9cision o\u00f9 la l\u00e9g\u00e8ret\u00e9 est importante. Le TW1889XF est dot\u00e9 d’un \u00e9l\u00e9ment de patch circulaire \u00e0 double alimentation, empil\u00e9 et r\u00e9gl\u00e9 avec pr\u00e9cision. 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