{"id":13709,"date":"2024-06-06T18:03:31","date_gmt":"2024-06-06T18:03:31","guid":{"rendered":"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/tw3885lxf-antenne-gnss-bi-bande-l1-slash-l5\/"},"modified":"2026-08-26T14:08:50","modified_gmt":"2026-08-26T14:08:50","slug":"tw3885lxf-antenne-gnss-bi-bande-l1-slash-l5","status":"publish","type":"gnss_product","link":"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss_product\/tw3885lxf-antenne-gnss-bi-bande-l1-slash-l5\/","title":{"rendered":"TW3885LXF Antenne GNSS bi-bande (L1\/L5)"},"content":{"rendered":"\n

Le TW3885LXF est une antenne bi-bande de pr\u00e9cision \u00e0 technologie Accutenna\u00ae qui fournit des services de correction GPS\/QZSS-L1\/L5, GLONASS-G1\/G3, Galileo-E1\/E5a\/E5b, BeiDou-B1\/B2a\/B2, NavIC-L5 plus bande L, y compris le syst\u00e8me de renforcement par satellite (SBAS) disponible dans la r\u00e9gion d’op\u00e9ration [WAAS (Am\u00e9rique du Nord), EGNOS (Europe), MSAS (Japon), ou GAGAN (Inde)].<\/p>\n\n

La technologie d’antenne \u00ab eXtended Filter \u00bb (XF) de Tallysman a \u00e9t\u00e9 con\u00e7ue pour att\u00e9nuer les signaux hors bande et emp\u00eacher la saturation des antennes GNSS. Le spectre des radiofr\u00e9quences est devenu de plus en plus encombr\u00e9 \u00e0 mesure que de nouvelles bandes LTE sont mises en service et que leurs signaux ou leurs fr\u00e9quences harmoniques [par exemple 800 MHz \u00d7 2 = 1 600 MHz (GLONASS-G1)] peuvent perturber les antennes et les r\u00e9cepteurs GNSS. En Am\u00e9rique du Nord, les signaux Ligado pr\u00e9vus dans la bande 1 525 \u2013 1 536 MHz peuvent notamment avoir un impact sur les antennes GNSS prenant en charge les services de correction en bande L par satellite (1 539 \u2013 1 559 MHz). De nouveaux signaux LTE en Europe [bande 32 (1 452 \u2013 1 496 MHz)] et au Japon [bandes 11 et 21 (1 476 \u2013 1 511 MHz)] ont \u00e9galement \u00e9t\u00e9 observ\u00e9s comme causant des interf\u00e9rences avec les signaux GNSS. De plus, les communications par satellite Inmarsat (liaison montante : 1 626,5 \u2013 1 660,5 MHz) peuvent \u00e9galement affecter les signaux GNSS.Le filtrage XF sur mesure de Tallysman att\u00e9nue l’ensemble des signaux existants ainsi que les nouveaux signaux Ligado et LTE, permettant ainsi aux antennes et aux r\u00e9cepteurs GNSS qui y sont connect\u00e9s de fonctionner de mani\u00e8re optimale. <\/p>\n\n

Le TW3885LXF est dot\u00e9 d’un \u00e9l\u00e9ment de patch empil\u00e9 \u00e0 double alimentation circulaire, accord\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, puis divis\u00e9s en bandes pour un filtrage \u00e9troit dans chaque bande et encore amplifi\u00e9s avant d’\u00eatre recombin\u00e9s \u00e0 la sortie. Le TW3885LXF offre un excellent rapport axial et une variation du centre de phase \u00e9troitement group\u00e9e. <\/p>\n\n

Id\u00e9al pour la synchronisation, le suivi et le guidage de v\u00e9hicules autonomes, l’agriculture de pr\u00e9cision et d’autres applications o\u00f9 la pr\u00e9cision est importante, le TW3885LXF offre une r\u00e9jection sup\u00e9rieure des signaux \u00e0 trajets multiples, une r\u00e9ponse de phase lin\u00e9aire et une faible variation du centre de phase (PCV).<\/p>\n\n

Le TW3885LXF est log\u00e9 dans un bo\u00eetier \u00e9tanche \u00e0 montage traversant pour les installations permanentes. Un support en L (PN 23-0040-0) ou un support pour tuyau (23-0065-0) sont disponibles. Un plan de masse de 100 mm est fourni avec l’antenne, ce qui garantit une performance optimale de l’antenne. Voir le guide d’installation et d’imperm\u00e9abilisation TW3000 : https:\/\/www.tallysman.com\/resource\/tallysman-tw3000-gnss-antenna-waterproofing-guide\/<\/a> <\/p>\n\n

\n
\n

Caract\u00e9ristiques<\/h2>\n\n\n\n
    \n
  • Pr\u00e9amplificateur \u00e0 tr\u00e8s faible bruit (\n<\/li>\n\n\n
  • Faible rapport axial (\n<\/li>\n\n\n
  • Variation \u00e9troite du centre de phase<\/li>\n\n\n\n
  • LNA \u00e0 gain \u00e9lev\u00e9 (35 dB typ.)<\/li>\n\n\n\n
  • Faible courant (32 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
  • IP69K, conforme aux normes REACH et RoHS<\/li>\n<\/ul>\n<\/div>\n\n\n\n
    \n

    D\u00e9tails<\/h2>\n\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<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      Le TW3885LXF est une antenne bi-bande de pr\u00e9cision \u00e0 technologie Accutenna\u00ae qui fournit des services de correction GPS\/QZSS-L1\/L5, GLONASS-G1\/G3, Galileo-E1\/E5a\/E5b, BeiDou-B1\/B2a\/B2, NavIC-L5 plus bande L, y compris le syst\u00e8me de renforcement par satellite (SBAS) disponible dans la r\u00e9gion d’op\u00e9ration [WAAS (Am\u00e9rique du Nord), EGNOS (Europe), MSAS (Japon), ou GAGAN (Inde)]. <\/p>\n

      La technologie d’antenne \u00ab eXtended …<\/p>\n","protected":false},"featured_media":11842,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":""},"post_tag":[],"gnss_category":[332],"gnss_industry":[319,326,318],"product_type":[167],"product_technology":[377],"mount_type":[198],"class_list":["post-13709","gnss_product","type-gnss_product","status-publish","has-post-thumbnail","hentry","gnss_category-produits","gnss_industry-agriculture-de-precision","gnss_industry-synchronisation","gnss_industry-vehicules-autonomes","product_type-antennes","product_technology-patch-accutenna-fr","mount_type-trou-de-passage"],"acf":[],"yoast_head":"\nTW3885LXF Antenne GNSS bi-bande (L1\/L5) - Technologies Avanc\u00e9es<\/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\/tw3885lxf-antenne-gnss-bi-bande-l1-slash-l5\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TW3885LXF Antenne GNSS bi-bande (L1\/L5) - Technologies Avanc\u00e9es\" \/>\n<meta property=\"og:description\" content=\"Le TW3885LXF est une antenne bi-bande de pr\u00e9cision \u00e0 technologie Accutenna\u00ae qui fournit des services de correction GPS\/QZSS-L1\/L5, GLONASS-G1\/G3, Galileo-E1\/E5a\/E5b, BeiDou-B1\/B2a\/B2, NavIC-L5 plus bande L, y compris le syst\u00e8me de renforcement par satellite (SBAS) disponible dans la r\u00e9gion d’op\u00e9ration [WAAS (Am\u00e9rique du Nord), EGNOS (Europe), MSAS (Japon), ou GAGAN (Inde)]. 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