{"id":227186,"date":"2013-05-28T22:00:00","date_gmt":"2013-05-28T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/amplificateur-large-bande-260-w-pour-tests-icf\/"},"modified":"2013-05-28T22:00:00","modified_gmt":"2013-05-28T22:00:00","slug":"amplificateur-large-bande-260-w-pour-tests-icf","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/amplificateur-large-bande-260-w-pour-tests-icf\/","title":{"rendered":"Amplificateur large bande 260 W pour tests ICF"},"content":{"rendered":"<p>Comme les autres amplificateurs &agrave; large bande de la gamme, ce mod&egrave;le utilise la technologie des composants en ars&eacute;niure de gallium (GaAs) afin d&rsquo;offrir de meilleures caract&eacute;ristiques de compression et une efficacit&eacute; accrue par rapport aux amplificateurs de puissance &agrave; base de silicium. En outre, il permet de r&eacute;duire la consommation globale d&rsquo;&eacute;nergie.<br \/>\nCet &eacute;quipement est con&ccedil;u pour les environnements d&rsquo;essais CEM exigeants, avec des conditions de charge non id&eacute;ales dues aux discordances caus&eacute;e par le dispositif d&rsquo;accouplement ou parce que le syst&egrave;me soumis &agrave; l&rsquo;essai se situe dans le champ de l&rsquo;antenne. Il est donc particuli&egrave;rement bien adapt&eacute; aux essais CEM ICF dans les domaines automobile, militaire et a&eacute;rospatial.<br \/>\nLa conception sym&eacute;trique du circuit d&rsquo;amplification en GaAs garantit des performances lin&eacute;aires &agrave; faible distorsion et une grande fiabilit&eacute; sur toute la plage de fr&eacute;quences, ainsi qu&rsquo;une utilisation continue &agrave; pleine puissance m&ecirc;me en cas de circuit ouvert ou de court-circuit. La pr&eacute;cision des essais est accrue du fait que le signal d&rsquo;essai recherch&eacute; est g&eacute;n&eacute;r&eacute; avec de faibles harmoniques, inf&eacute;rieures &agrave; -20 dBc &agrave; 210 W.<br \/>\nPour une plus grande efficacit&eacute;, cet appareil pr&eacute;sente une alimentation &agrave; d&eacute;coupage procurant &agrave; l&rsquo;amplificateur un facteur de puissance &eacute;lev&eacute; et permettant une large plage de tensions de fonctionnement. Tous les essais sont effectu&eacute;s avec un m&ecirc;me amplificateur &agrave; bande unique et aucun changement de gamme ou d&rsquo;amplificateur n&rsquo;est n&eacute;cessaire.<br \/>\nL&rsquo;amplificateur fonctionne dans la plage de temp&eacute;rature de 0 &agrave; 40 &deg;C. Les ventilateurs int&eacute;gr&eacute;s permettent un refroidissement efficace et un capteur de surchauffe pr&eacute;vient les dommages &eacute;ventuels dus &agrave; un colmatage d&rsquo;un filtre ou d&rsquo;une panne du syst&egrave;me de refroidissement. Une commande &agrave; distance optionnelle peut &ecirc;tre ajout&eacute;e sur demande. Deux connecteurs BNC &agrave; verrouillage de s&eacute;curit&eacute; sont fournis pour plus de flexibilit&eacute;, lorsqu&rsquo;un mode de veille est n&eacute;cessaire. Les voyants en fa&ccedil;ade indiquent une situation de surchauffe et le verrouillage RF. <\/p>\n<\/p>\n<p><a href=\"http:\/\/www.teseq.com\" target=\"_blank\" title=\"www.teseq.com\" rel=\"noopener\">www.teseq.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour \u00e9tendre sa gamme d&rsquo;amplificateurs \u00e0 large bande, Teseq introduit le CBA 400M-260, un mod\u00e8le lin\u00e9aire de classe A \u00e0 faible distorsion fonctionnant entre 10 kHz et 400 MHz avec un niveau de puissance nominale de 260 W. Utilis\u00e9 dans les laboratoires d&rsquo;essais CEM, il convient bien aux applications d\u2019injections de courant dans le faisceau (ICF) des secteurs automobile, militaire et a\u00e9rospatial, n\u00e9cessitant la r\u00e9alisation de tests \u00e0 des niveaux les plus \u00e9lev\u00e9s.<\/p>\n","protected":false},"author":22,"featured_media":227187,"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-227186","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Amplificateur large bande 260 W pour tests ICF ...<\/title>\n<meta name=\"description\" content=\"Pour \u00e9tendre sa gamme d&#039;amplificateurs \u00e0 large bande, Teseq introduit le CBA 400M-260, un mod\u00e8le lin\u00e9aire de classe A \u00e0 faible distorsion fonctionnant...\" \/>\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\/227186\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amplificateur large bande 260 W pour tests ICF\" \/>\n<meta property=\"og:description\" content=\"Pour \u00e9tendre sa gamme d&#039;amplificateurs \u00e0 large bande, Teseq introduit le CBA 400M-260, un mod\u00e8le lin\u00e9aire de classe A \u00e0 faible distorsion fonctionnant entre 10 kHz et 400 MHz avec un niveau de puissance nominale de 260 W. Utilis\u00e9 dans les laboratoires d&#039;essais CEM, il convient bien aux applications d\u2019injections de courant dans le faisceau (ICF) des secteurs automobile, militaire et a\u00e9rospatial, n\u00e9cessitant la r\u00e9alisation de tests \u00e0 des niveaux les plus \u00e9lev\u00e9s.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/227186\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-05-28T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6483_055-teseq-cba-400m-260-amplifier_lo-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1425\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" 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