{"id":2247,"date":"2018-08-01T00:00:54","date_gmt":"2018-07-31T15:00:54","guid":{"rendered":"https:\/\/micronix-jp.com\/?p=2247"},"modified":"2023-07-31T17:28:01","modified_gmt":"2023-07-31T08:28:01","slug":"emi_antenna_j","status":"publish","type":"post","link":"https:\/\/micronix-jp.com\/english\/note\/application\/emi_antenna_e.html","title":{"rendered":"Antenna selection for on-site measurement of radiation emission"},"content":{"rendered":"<p class=\"has-large-font-size\"><strong>Difference in measurement result and selection method depending on antenna difference.<\/strong><\/p><div class=\"wp-block-vk-blocks-table-of-contents-new vk_tableOfContents vk_tableOfContents-style-default tabs\"><div class=\"tab\"><div class=\"vk_tableOfContents_title\">\u76ee\u6b21<\/div><input type=\"checkbox\" id=\"chck1\"\/><label class=\"tab-label vk_tableOfContents_openCloseBtn button_status button_status-close\" for=\"chck1\"><\/label><ul class=\"vk_tableOfContents_list tab_content-close\"><li class=\"vk_tableOfContents_list_item vk_tableOfContents_list_item-h-2\" data-reactroot=\"\"><a href=\"#vk-htags-4f8c9643-2bb5-4db9-90d2-2c0d887a01b9\" class=\"vk_tableOfContents_list_item_link\"><span class=\"vk_tableOfContents_list_item_link_preNumber\">1. <\/span>Application<\/a><\/li><li class=\"vk_tableOfContents_list_item vk_tableOfContents_list_item-h-2\" data-reactroot=\"\"><a href=\"#vk-htags-25a42463-a4a9-4ff5-87e9-41325cbef194\" class=\"vk_tableOfContents_list_item_link\"><span class=\"vk_tableOfContents_list_item_link_preNumber\">2. <\/span>Solution<\/a><\/li><li class=\"vk_tableOfContents_list_item vk_tableOfContents_list_item-h-2\" data-reactroot=\"\"><a href=\"#vk-htags-581ce968-dbf0-49c9-826d-cbda7a7e23f1\" class=\"vk_tableOfContents_list_item_link\"><span class=\"vk_tableOfContents_list_item_link_preNumber\">3. <\/span>Products introduction<\/a><\/li><\/ul><\/div><\/div><h2 class=\"wp-block-heading\" id=\"vk-htags-4f8c9643-2bb5-4db9-90d2-2c0d887a01b9\">Application<\/h2><p>In the pre-compliance tests of radiated EMI (emission),  it is important to select the receiving antenna and the performance of the measuring instrument , so that lower level noise can be measured.<\/p><h2 class=\"vk_block-margin-md--margin-top wp-block-heading\" id=\"vk-htags-25a42463-a4a9-4ff5-87e9-41325cbef194\">Solution<\/h2><figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"730\" height=\"235\" src=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-00.png\" alt=\"\" class=\"wp-image-9577\" srcset=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-00.png 730w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-00-300x97.png 300w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-00-600x193.png 600w\" sizes=\"auto, (max-width: 730px) 100vw, 730px\" \/><figcaption class=\"wp-element-caption\">Structure<\/figcaption><\/figure><div class=\"wp-block-columns vk_block-margin-md--margin-top is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"435\" height=\"300\" src=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-01.png\" alt=\"\" class=\"wp-image-9579\" srcset=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-01.png 435w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-01-300x207.png 300w\" sizes=\"auto, (max-width: 435px) 100vw, 435px\" \/><\/figure><\/div>\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"437\" height=\"300\" src=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-02.png\" alt=\"\" class=\"wp-image-9580\" srcset=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-02.png 437w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-02-300x206.png 300w\" sizes=\"auto, (max-width: 437px) 100vw, 437px\" \/><\/figure><\/div><\/div><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"434\" height=\"284\" src=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-03.png\" alt=\"\" class=\"wp-image-9581\" srcset=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-03.png 434w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-03-300x196.png 300w\" sizes=\"auto, (max-width: 434px) 100vw, 434px\" \/><\/figure><\/div>\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"431\" height=\"284\" src=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-04.png\" alt=\"\" class=\"wp-image-9582\" srcset=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-04.png 431w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/07\/emi_antenna_j-04-300x198.png 300w\" sizes=\"auto, (max-width: 431px) 100vw, 431px\" \/><\/figure><\/div><\/div><p>The above measurement result (graph) is a comparison of spatial noise (environmental noise) when three antennas are installed under the same conditions. The floor noise of Bilog Antenna (large) is the lowest.<br>\nGenerally, We choose Bilog Antenna with good sensitivity, but this antenna is L = 1650 mm and its size is very large, so it is not portable.In other words, if the measurement location is limited and wide, Bilog Antenna is the best.<br>\nOn the other hand, the small or medium size Biconical Antenna is inferior in performance to the Bilog Antenna, but it is compact and excellent in portability. It is useful when there are many measurements on a business trip or when using near the EUT as noise detection.<br>\nIt is important to select according to the environment to use.<\/p><p>*For more information, please feel free to contact our sales staff.<\/p><h2 class=\"vk_block-margin-lg--margin-top wp-block-heading\" id=\"vk-htags-581ce968-dbf0-49c9-826d-cbda7a7e23f1\">Products introduction<\/h2><div class=\"wp-block-vk-blocks-select-post-list vk_posts vk_posts-postType-post vk_posts-layout-card-noborder vk_postList\"><div id=\"post-784\" class=\"vk_post vk_post-postType-page card card-noborder vk_post-col-xs-12 vk_post-col-sm-6 vk_post-col-md-3 vk_post-col-lg-3 vk_post-col-xl-3 vk_post-col-xxl-3 post-2247 post type-post status-publish format-standard has-post-thumbnail hentry category-category-note tag-app-emc tag-market-emc tag-application-spectrum-analyzer\"><div class=\"vk_post_imgOuter\" style=\"background-image:url(https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/03\/msa538e_620x620.png)\"><a href=\"https:\/\/micronix-jp.com\/english\/products\/spectrum-analyzer\/\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/03\/msa538e_620x620-300x300.png\" class=\"vk_post_imgOuter_img card-img-top wp-post-image\" alt=\"\" srcset=\"https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/03\/msa538e_620x620-300x300.png 300w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/03\/msa538e_620x620-150x150.png 150w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/03\/msa538e_620x620-600x600.png 600w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/03\/msa538e_620x620-100x100.png 100w, https:\/\/micronix-jp.com\/english\/wp-content\/uploads\/sites\/2\/2023\/03\/msa538e_620x620.png 620w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/div><!-- [ \/.vk_post_imgOuter ] --><div class=\"vk_post_body card-body\"><h5 class=\"vk_post_title card-title\"><a href=\"https:\/\/micronix-jp.com\/english\/products\/spectrum-analyzer\/\">Handheld Spectrum Analyzer \/ Signal Analyzer<\/a><\/h5><p class=\"vk_post_excerpt card-text\">Compact, lightweight, low power consumption, and low price handheld spectrum analyzer. The performance and functions are comparable to large bench type spectrum analyzers.<\/p><\/div><!-- [ \/.card-body ] --><\/div><!-- [ \/.card ] --><\/div><div class=\"wp-block-vk-blocks-button vk_button vk_button-color-custom vk_button-61ed1435-13ea-497e-993c-be185408e315 vk_button-align-block\"><a href=\"\/eng\/file-download\/application\/pdf\/emi_antenna_e.pdf\" class=\"vk_button_link btn has-background btn-lg btn-block\" role=\"button\" aria-pressed=\"true\" target=\"_blank\" rel=\"noopener\"><div class=\"vk_button_link_caption\"><i class=\"fas fa-file-pdf vk_button_link_before\" aria-hidden=\"true\"><\/i><span class=\"vk_button_link_txt\">Download This Application Note (PDF)<\/span><\/div><\/a><\/div><style type=\"text\/css\">.vk_button-61ed1435-13ea-497e-993c-be185408e315 .has-background {\n\t\t\t\tbackground-color: #5b6069;\n\t\t\t\tborder: 1px solid #5b6069;\n\t\t\t} <\/style><p><\/p><div class=\"wp-block-cover is-light vk_block-margin-xl--margin-top\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-white-background-color has-background-dim\"><\/span><img class=\"wp-block-cover__image-background wp-image-8105\" alt=\"\" src=\"https:\/\/micronix-jp.com\/wp-content\/uploads\/2022\/11\/contact_cta_cover.png\" data-object-fit=\"cover\"\/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\"><p class=\"has-text-align-center has-huge-font-size\"><strong>Please feel free to contact us.<\/strong><\/p>\n\n<p>If you want to verify 5G, customize a radio wave shield box, or need product repair, please do not hesitate to contact us about any small matter.<\/p>\n\n<div class=\"wp-block-vk-blocks-grid-column vk_gridColumn\"><div class=\"row\"><div class=\"wp-block-vk-blocks-grid-column-item vk_gridColumn_item col-12 col-sm-12 col-md-12 col-lg-12 col-xl-12 col-xxl-12\"><div class=\"wp-block-vk-blocks-button vk_button vk_button-color-custom vk_button-align-block is-style-shine\"><a href=\"https:\/\/micronix-jp.com\/english\/contact\/\" class=\"vk_button_link btn has-background has-luminous-vivid-orange-background-color btn-lg btn-block\" role=\"button\" aria-pressed=\"true\" target=\"_blank\" rel=\"noopener\"><div class=\"vk_button_link_caption\"><i class=\"far fa-envelope vk_button_link_before\" aria-hidden=\"true\"><\/i><span class=\"vk_button_link_txt\"><strong>Contact Form<\/strong><\/span><\/div><\/a><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Difference in measurement result and selection method depending on antenna difference.ApplicationIn the pre-compliance tests of radiated EMI (emission), it is important to select the receiving antenna and the performance of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8190,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"<!--\u8a18\u4e8b\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u3092\u6d88\u3059-->\r\n.veu_autoEyeCatchBox{\r\ndisplay:none;\r\n}","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default","header_trans":"default","section_base":"default"},"header_top_description":"","footnotes":""},"categories":[17],"tags":[44,66,75],"class_list":["post-2247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-category-note","tag-app-emc","tag-market-emc","tag-application-spectrum-analyzer"],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/posts\/2247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/comments?post=2247"}],"version-history":[{"count":4,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/posts\/2247\/revisions"}],"predecessor-version":[{"id":9586,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/posts\/2247\/revisions\/9586"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/media\/8190"}],"wp:attachment":[{"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/media?parent=2247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/categories?post=2247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/tags?post=2247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}