{"id":2229,"date":"2014-04-01T00:00:53","date_gmt":"2014-03-31T15:00:53","guid":{"rendered":"https:\/\/micronix-jp.com\/?p=2229"},"modified":"2023-03-20T17:20:33","modified_gmt":"2023-03-20T08:20:33","slug":"msa_saturation","status":"publish","type":"post","link":"https:\/\/micronix-jp.com\/english\/note\/application\/msa_saturation.html","title":{"rendered":"How to prevent erroneous measurement due to the saturation of the spectrum analyzer"},"content":{"rendered":"<p class=\"bigTitle\" style=\"margin-bottom: 1em\"> How to prevent erroneous measurement due to the higher power input signal out of measurement band.\n<\/p>\n\n\n<h2>Application<\/h2>\n<p> When the input signal power is higher than the proper level for 1st mixer, harmonics distortion and spurious are generated. <\/p>\n<p>Even if the higher power input signal is out of measurement band, it becomes erroneous measurements.<\/p>\n\n\n\n<h2>Solution<\/h2>\n<p>The saturation of 1st mixer can be prevented by inserting a coaxial attenuator or a filter in the input of a spectrum analyzer.<\/p>\n<p class=\"red\">These are the results of measuring the 200kHz interval signal of comb generator with or without a coaxial attenuator.<\/p>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/micronix-jp.com\/eng\/image\/application\/MSA_saturation.gif\" alt=\"Graph:The results of measuring  with or without an attenuator.\" width=\"730\" height=\"566\"> \n\n\n<h2>System configuration<\/h2>\n<table>\n<tbody>\n<tr>\n<td><a href=\"\/english\/products\/spectrum-analyzer\/\">Signal analyzer [MSA500 series], Spectrum Analyzer [MSA300  series], [MSA400  series]<\/a><\/td>\n<\/tr>\n<tr>\n<td>Coaxial attenuator , Filter<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2>Products introduction<\/h2>\n<div class=\"woocommerce \"><\/div><div class=\"wp-block-vk-blocks-button vk_button vk_button-color-custom vk_button-align-block\"><a href=\"\/eng\/file-download\/application\/pdf\/saturation.pdf\" style=\"background-color:#5b6069;border:1px solid #5b6069;color:#fff;\" class=\"vk_button_link btn btn-md btn-block white\" role=\"button\" aria-pressed=\"true\" target=\"_blank\"  rel=\"noopener\"><i class=\"fas vk_button_link_before fa-file-pdf\"><\/i><span class=\"vk_button_link_txt\">Download This Application Note (PDF) <\/span><\/a><\/div><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>How to prevent erroneous measurement due to the higher power input signal out of measurement band. Application When the input signal power is higher than the proper level for 1st [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8253,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"vkexunit_cta_each_option":"","footnotes":""},"categories":[17],"tags":[47,67,75],"class_list":["post-2229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-category-note","tag-app-knowledge","tag-market-other","tag-application-spectrum-analyzer"],"_links":{"self":[{"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/posts\/2229","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=2229"}],"version-history":[{"count":1,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/posts\/2229\/revisions"}],"predecessor-version":[{"id":7045,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/posts\/2229\/revisions\/7045"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/media\/8253"}],"wp:attachment":[{"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/media?parent=2229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/categories?post=2229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/micronix-jp.com\/english\/wp-json\/wp\/v2\/tags?post=2229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}