{"id":225185,"date":"2012-09-23T22:00:00","date_gmt":"2012-09-23T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/bloc-amplificateur-de-gain-155-db\/"},"modified":"2012-09-23T22:00:00","modified_gmt":"2012-09-23T22:00:00","slug":"bloc-amplificateur-de-gain-155-db","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/bloc-amplificateur-de-gain-155-db\/","title":{"rendered":"Bloc amplificateur de gain 15,5 dB"},"content":{"rendered":"<p style=\"margin-left:0cm;line-height:normal\" class=\"MsoNormal\">&Agrave; 240 MHz, l&rsquo;OIP3 de la classe A est typiquement de 47dBm et est enti&egrave;rement test&eacute; et garanti pour atteindre au minimum 44 dBm. Celui de la classe B est de 45 dBm typique. La figure&nbsp;de bruit est de 3,33 dB r&eacute;f&eacute;renc&eacute; &agrave; la tension d&rsquo;entr&eacute;e. La consommation est inf&eacute;rieure &agrave; 450 mW. Cette combinaison d&rsquo;un faible niveau de bruit et de distorsion offre la large gamme dynamique n&eacute;cessaire aux applications de t&eacute;l&eacute;communications de fr&eacute;quence interm&eacute;diaire, aux performances &eacute;lev&eacute;es, et &agrave; la t&eacute;l&eacute;vision par c&acirc;ble (CATV). Facile d&rsquo;emploi, cet amplificateur est inconditionnellement stable et l&rsquo;entr&eacute;e et la sortie sont adapt&eacute;es en 50 ohms en interne. Les seuls composants additionnels externes requis restent les condensateurs de blocage DC et une bobine d&rsquo;arr&ecirc;t pour le passage de la polarisation. Il procure une excursion lin&eacute;aire de la tension de sortie sup&eacute;rieure &agrave; 2V, aliment&eacute; sur une unique source de 5 V, 90 mA. Le gain &agrave; 1dB de point de compression (P1dB) est typiquement de 20,6 dBm et la lin&eacute;arit&eacute; est maintenue pour une puissance de sortie jusqu&rsquo;&agrave; 17 dBm.<br \/>\n&quot;Le LTC6431-15 est le premier bloc amplificateur de gain RF de Linear Technology, et le seul &agrave; atteindre&nbsp;les niveaux de performances des amplificateurs au GaAs en employant le SiGe,&quot; d&eacute;clare Erik Soule, vice pr&eacute;sident des produits de traitement du signal et haute fr&eacute;quence. &quot;Le r&eacute;sultat est un fonctionnement remarquable en AC, une r&eacute;p&eacute;titivit&eacute;&nbsp;excellente et une stabilit&eacute; sur les gammes de temp&eacute;ratures, de tensions d&rsquo;entr&eacute;e, de fr&eacute;quences et de puissance de sortie.&quot;<br \/>\nEncapsul&eacute; en bo&icirc;tier QFN-24 de 4 x 4 mm, avec un brochage &agrave; faible imp&eacute;dance pour une meilleure dissipation thermique, ce circuit est sp&eacute;cifi&eacute; pour fonctionner dans la gamme de temp&eacute;ratures de -40 &deg;C &agrave; +85 &deg;C. <\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/ltc6431-15\" target=\"_blank\" title=\"www.linear.com\/product\/LTC6431-15\" rel=\"noopener\">www.linear.com\/product\/LTC6431-15<\/a><span style=\"font-size:12.0pt;line-height:150%\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fabriqu\u00e9 \u00e0 partir d\u2019un processus de pointe, \u00e0 base de SiGe, le bloc amplificateur de gain LTC6431-15 de 15,5 dB propos\u00e9 par Linear Technology atteint, charg\u00e9 \u00e0 50 ohms, la large gamme dynamique de 20 MHz \u00e0 1 GHz et au-del\u00e0. Il se d\u00e9cline en deux classes de fonctionnement. <\/p>\n","protected":false},"author":22,"featured_media":225186,"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-225185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Bloc amplificateur de gain 15,5 dB ...<\/title>\n<meta name=\"description\" content=\"Fabriqu\u00e9 \u00e0 partir d\u2019un processus de pointe, \u00e0 base de SiGe, le bloc amplificateur de gain LTC6431-15 de 15,5 dB propos\u00e9 par Linear Technology atteint,...\" \/>\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\/225185\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bloc amplificateur de gain 15,5 dB\" \/>\n<meta property=\"og:description\" content=\"Fabriqu\u00e9 \u00e0 partir d\u2019un processus de pointe, \u00e0 base de SiGe, le bloc amplificateur de gain LTC6431-15 de 15,5 dB propos\u00e9 par Linear Technology atteint, charg\u00e9 \u00e0 50 ohms, la large gamme dynamique de 20 MHz \u00e0 1 GHz et au-del\u00e0. 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