{"id":189344,"date":"2016-12-14T15:00:00","date_gmt":"2016-12-14T15:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/sonde-de-test-pim-pour-localiser-efficacement-les-sources-dintermodulation-passive-externes\/"},"modified":"2016-12-14T15:00:00","modified_gmt":"2016-12-14T15:00:00","slug":"sonde-de-test-pim-pour-localiser-efficacement-les-sources-dintermodulation-passive-externes","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/sonde-de-test-pim-pour-localiser-efficacement-les-sources-dintermodulation-passive-externes\/","title":{"rendered":"Sonde de test PIM pour localiser efficacement les sources d\u2019intermodulation passive externes"},"content":{"rendered":"<p>Con\u00e7ue pour une utilisation avec les analyseurs portatifs PIM Master, Spectrum Master et BTS Master de l\u2019entreprise, cette sonde permet d\u2019utiliser les techniques de recherche d\u2019interf\u00e9rences traditionnelles afin d\u2019am\u00e9liorer les performances des r\u00e9seaux sans fil. Elle compl\u00e8te la technologie brevet\u00e9e propri\u00e9taire Distance-to-PIM (DTP) qui d\u00e9termine la distance entre l\u2019antenne et la source de PIM externe au syst\u00e8me radio.<\/p>\n<p>En ayant la sonde en main, le technicien radio peut se d\u00e9placer sur le site sur un rayon \u00e9quivalent \u00e0 la distance indiqu\u00e9e par la mesure de DTP au-del\u00e0 de l\u2019antenne afin de d\u00e9tecter la source externe exacte de PIM. En utilisant cette sonde avec n\u2019importe quel analyseur de spectre portable compatible de la gamme dot\u00e9 du mode de balayage de d\u00e9tection Burst Detect, il dispose alors de d\u2019un outil particuli\u00e8rement bien adapt\u00e9 pour identifier avec pr\u00e9cision l\u2019origine des sources d\u2019intermodulation passive externes afin d\u2019effectuer ensuite une r\u00e9paration rapide du site. Ceci se r\u00e9v\u00e8le particuli\u00e8rement utile pour d\u00e9tecter les probl\u00e8mes de PIM sur les toits, l\u2019emplacement le plus couramment utilis\u00e9 pour accueillir des antennes pour la densification des r\u00e9seaux en environnement urbain.<\/p>\n<p>Cette sonde est con\u00e7ue pour supporter l\u2019identification des sources de PIM sur une plage de fr\u00e9quence comprise entre 600&nbsp;MHz et 2700&nbsp;MHz. Apr\u00e8s qu\u2019elle ait \u00e9t\u00e9 connect\u00e9e \u00e0 un analyseur de spectre en mode de d\u00e9tection Burst Detect et une fois un filtre passe-bande appropri\u00e9 install\u00e9, les techniciens peuvent rechercher et localiser les sources de signal d\u2019intermodulation du troisi\u00e8me ordre (IM3) \u00e0 l\u2019origine du probl\u00e8me. A mesure que l\u2019extr\u00e9mit\u00e9 de la sonde s\u2019approche de l\u2019origine d&rsquo;une source, la valeur de PIM augmente, dans certains cas jusqu\u2019\u00e0 30&nbsp;dB, indiquant l\u2019emplacement pr\u00e9cis du perturbateur.&nbsp;<\/p>\n<p>Contrairement aux sondes en champ proche classiques, ce dispositif utilise une technologie en attente de brevet permettant de renvoyer un niveau de signal coh\u00e9rent quelle que soit l\u2019orientation de la sonde par rapport \u00e0 la source de PIM. En outre, la pr\u00e9cision est assur\u00e9e par la conception de la sonde r\u00e9alis\u00e9e \u00e0 l\u2019aide de techniques de fabrication faible PIM, de sorte que la sonde ne puisse \u00eatre elle-m\u00eame vu comme une source de PIM. Gr\u00e2ce \u00e0 une extension du manche de 90 cm, le technicien peut se maintenir \u00e0 une distance de s\u00e9curit\u00e9 par rapport \u00e0 l\u2019antenne sous test.<\/p>\n<hr \/>\n<p>Le PIM Master MW82119B est un analyseur de l\u2019intermodulation passive de 40&nbsp;W, autonome, fonctionnant sur batterie, dot\u00e9 de la fonctionnalit\u00e9 d\u2019analyseur de c\u00e2bles et d\u2019antennes Site Master. Avec cette option, il peut certifier l\u2019ensemble des performances du syst\u00e8me de c\u00e2bles et d\u2019antennes, en mesurant l\u2019intermodulation passive, la distance de l\u2019antenne \u00e0 la source PIM, le Return Loss, le rapport d\u2019onde stationnaire ROS (VSWR), les pertes des c\u00e2bles et la localisation de d\u00e9faut.<br \/>\nLa famille Spectrum Master est constitu\u00e9e de quatre mod\u00e8les qui offrent une fiabilit\u00e9 excellente en termes de localisation, identification, enregistrement et r\u00e9solution des probl\u00e8mes sur des syst\u00e8mes de communication, sans pour autant compromettre la pr\u00e9cision des mesures.<br \/>\nLes analyseurs de station de base portables hautes performances tels que les BTS Master sont sp\u00e9cialement con\u00e7us pour supporter les r\u00e9seaux 4G\/3G\/2G et WiMAX, tout comme les mesures RF sur les liens CPRI et l\u2019\u00e9mulation &nbsp;de BBU.<\/p>\n<p><a href=\"http:\/\/www.anritsu.com\/en-GB\/home.aspx\" target=\"_blank\" rel=\"noopener\">www.anritsu.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le portefeuille de produits de test sur site d\u2019Anritsu s\u2019\u00e9tend avec le lancement du PIM Hunter, une sonde de test d\u2019intermodulation passive (PIM) qui aide les techniciens radio \u00e0 d\u00e9couvrir plus rapidement l\u2019emplacement pr\u00e9cis des sources d\u2019intermodulation passive externes sur les sites cellulaires. <\/p>\n","protected":false},"author":9,"featured_media":189345,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[911],"domains":[47],"ppma_author":[1141],"class_list":["post-189344","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-testandmeasurement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Sonde de test PIM pour localiser efficacement 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