{"id":224605,"date":"2012-06-24T22:00:00","date_gmt":"2012-06-24T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/synthetiseur-pll-a-13-ghz\/"},"modified":"2012-06-24T22:00:00","modified_gmt":"2012-06-24T22:00:00","slug":"synthetiseur-pll-a-13-ghz","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/synthetiseur-pll-a-13-ghz\/","title":{"rendered":"Synth\u00e9tiseur PLL \u00e0 13 GHz"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">Ce circuit est destin&eacute; aux applications radar en ondes continues &agrave; modulation de fr&eacute;quence (FMCW), telles que les syst&egrave;mes radar automobiles, les syst&egrave;mes point &agrave; point hyperfr&eacute;quences ou les &eacute;quipements d&rsquo;instrumentation et de test de communications. &quot;Les concepteurs de syst&egrave;mes radar FMCW, d&rsquo;&eacute;quipements de tests et de syst&egrave;mes de communications point &agrave; point hyperfr&eacute;quences requi&egrave;rent des solutions haute fr&eacute;quence dont le d&eacute;tecteur de phase est capable de fonctionner &agrave; des fr&eacute;quences tr&egrave;s &eacute;lev&eacute;es sans p&eacute;naliser la consommation&quot;, a d&eacute;clar&eacute; Peter Real, vice-pr&eacute;sident du groupe Linear &amp; RF d&rsquo;Analog Devices. &quot;Dernier-n&eacute; de la famille de synth&eacute;tiseurs PLL d&rsquo;ADI, l&rsquo;AD4159 repr&eacute;sente une solution id&eacute;ale pour ces applications en associant un d&eacute;tecteur de phase fonctionnant &agrave; une fr&eacute;quence op&eacute;rationnelle optimale et une consommation d&rsquo;&eacute;nergie minime.&quot;\n<\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">De type fractionnaire ou &agrave; N entier, ce synth&eacute;tiseur se compose d&rsquo;un d&eacute;tecteur de fr&eacute;quence et de phase num&eacute;rique &agrave; faible niveau de bruit, d&rsquo;une pompe de charge haute pr&eacute;cision et d&rsquo;un diviseur de r&eacute;f&eacute;rence programmable. Il peut &ecirc;tre utilis&eacute; pour mettre en &oelig;uvre une modulation &agrave; d&eacute;calage de fr&eacute;quence (FSK) ou de phase (PSK). Plusieurs modes de balayage de fr&eacute;quence sont propos&eacute;s pour g&eacute;n&eacute;rer diff&eacute;rentes formes d&rsquo;ondes dans le domaine fr&eacute;quentiel (en dents de scie ou triangulaires). Il dispose d&rsquo;un circuit de r&eacute;duction du glissement de cycles qui r&eacute;duit les d&eacute;lais de verrouillage sans qu&rsquo;il soit n&eacute;cessaire de modifier le filtre de boucle. <\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">Propos&eacute; en bo&icirc;tier LFCSP 24 contacts de 4&nbsp;x&nbsp;4&nbsp;mm, ce composant peut &ecirc;tre utilis&eacute; avec diff&eacute;rents circuits int&eacute;gr&eacute;s propri&eacute;taires, parmi lesquels le pr&eacute;-diviseur RF ADF5001, le r&eacute;gulateur LDO ADP150 et l&rsquo;amplificateur op&eacute;rationnel OP184. Il b&eacute;n&eacute;ficie &eacute;galement de l&rsquo;outil complet de conception\/simulation de synth&eacute;tiseurs PLL&nbsp; ADIsimPLL.<\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">&nbsp;<\/p>\n<p><a title=\"www.analog.com\/adf4159\" target=\"_blank\" href=\"http:\/\/www.analog.com\/adf4159\" rel=\"noopener\">www.analog.com\/adf4159<\/a><span style=\"font-size:12.0pt;line-height:115%\"> <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analog Devices annonce l\u2019ADF4159, un synth\u00e9tiseur de fr\u00e9quence PLL (Phase Locked Loop) \u00e0 13 GHz capable d\u2019atteindre la fr\u00e9quence op\u00e9rationnelle exceptionnelle de 110 MHz en d\u00e9tection de phase tout en consommant moins de 100 mW. De plus, il contient un modulus fixe de 25 bits, ainsi qu\u2019une fonction int\u00e9gr\u00e9e permettant de g\u00e9n\u00e9rer des profils de rampes de fr\u00e9quence haute lin\u00e9arit\u00e9.<\/p>\n","protected":false},"author":22,"featured_media":224606,"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-224605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Synth\u00e9tiseur PLL \u00e0 13 GHz ...<\/title>\n<meta name=\"description\" content=\"Analog Devices annonce l\u2019ADF4159, un synth\u00e9tiseur de fr\u00e9quence PLL (Phase Locked Loop) \u00e0 13 GHz capable d\u2019atteindre la fr\u00e9quence op\u00e9rationnelle...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/224605\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Synth\u00e9tiseur PLL \u00e0 13 GHz\" \/>\n<meta property=\"og:description\" content=\"Analog Devices annonce l\u2019ADF4159, un synth\u00e9tiseur de fr\u00e9quence PLL (Phase Locked Loop) \u00e0 13 GHz capable d\u2019atteindre la fr\u00e9quence op\u00e9rationnelle exceptionnelle de 110 MHz en d\u00e9tection de phase tout en consommant moins de 100 mW. De plus, il contient un modulus fixe de 25 bits, ainsi qu\u2019une fonction int\u00e9gr\u00e9e permettant de g\u00e9n\u00e9rer des profils de rampes de fr\u00e9quence haute lin\u00e9arit\u00e9.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/224605\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2012-06-24T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6153_adi-adf4159-lo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1860\" \/>\n\t<meta property=\"og:image:height\" content=\"1860\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" 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