{"id":518,"date":"2020-09-08T22:52:35","date_gmt":"2020-09-08T22:52:35","guid":{"rendered":"http:\/\/cemarklabs.com\/?page_id=518"},"modified":"2022-07-19T22:46:25","modified_gmt":"2022-07-19T22:46:25","slug":"most-common-emi-problems","status":"publish","type":"page","link":"https:\/\/cemarklabs.com\/?page_id=518","title":{"rendered":"&#8211; Most Common EMI Problems"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"518\" class=\"elementor elementor-518\" data-elementor-settings=\"[]\">\n\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-element elementor-element-96307cd elementor-section-full_width elementor-section-height-default elementor-section-height-default elementor-section elementor-top-section\" data-id=\"96307cd\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t<div class=\"elementor-element elementor-element-abb2f68 elementor-column elementor-col-100 elementor-top-column\" data-id=\"abb2f68\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap  elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f522604 elementor-widget elementor-widget-spacer\" data-id=\"f522604\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b02ad71 elementor-widget elementor-widget-heading\" data-id=\"b02ad71\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-xl\">The Most Common EMI Problems (a work in progress!)<br>This paper is based on over 30 years experience in the lab, <br>not sitting behind a desk!<br><\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-element elementor-element-5786152 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section elementor-top-section\" data-id=\"5786152\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t<div class=\"elementor-element elementor-element-41cbb40 elementor-column elementor-col-100 elementor-top-column\" data-id=\"41cbb40\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap  elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d8e6ef elementor-widget elementor-widget-text-editor\" data-id=\"6d8e6ef\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\"><p><span style=\"font-size: 12.0pt; line-height: 107%;\">1.<\/span><b style=\"font-size: 14px; text-indent: -0.25in;\"><span style=\"font-size: 12.0pt; line-height: 107%;\">Power Supplies<\/span><\/b><\/p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt;\">Noisy Power Supplies are one of the most common problems we see in systems. It all starts with good clean power. Before you choose to buy thousands of a particular power supply ask the manufacturer of the supply for the Declaration of Conformity (DoC) and their CE Test Report. If they can\u2019t provide at least a DoC &#8211; Run don\u2019t walk to another vendor! Over the years we\u2019ve seen tons of \u201cFake CE Marks\u201d.<\/span><span style=\"font-family: Arial, sans-serif; font-size: 12pt;\">&nbsp;<\/span><\/p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt;\">Some of our customers will actually test several samples for Conducted and Radiated emissions before committing to buy several thousand of a particular Power Supply. We can do this testing within our two hour minimum for $700.<\/span><\/p>\n<p><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: 16px;\">DC-DC converters are also a big noise source. Make sure to follow any guidelines for schematic and board layout that the manufacturer provides for you in the User Guide with respect to noise reduction and EM<\/span><\/span><\/p>\n<p><span style=\"font-size: 16px; color: #333333;\">2. <i>Let me know by email &#8211; dennis@emitestlab.com &#8211; if you want me to continue writing in this section.<\/i> I don&#8217;t want to waste my time giving free design advice if no one is reading this&#8230;.<\/span><\/p>\n<div>&nbsp;<\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The Most Common EMI Problems (a work in progress!)This paper is based on over 30 years experience in the lab, not sitting behind a desk! 1.Power Supplies Noisy Power Supplies are one of the most common problems we see in systems. It all starts with good clean power. Before you choose to buy thousands of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/cemarklabs.com\/index.php?rest_route=\/wp\/v2\/pages\/518"}],"collection":[{"href":"https:\/\/cemarklabs.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cemarklabs.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cemarklabs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cemarklabs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=518"}],"version-history":[{"count":11,"href":"https:\/\/cemarklabs.com\/index.php?rest_route=\/wp\/v2\/pages\/518\/revisions"}],"predecessor-version":[{"id":558,"href":"https:\/\/cemarklabs.com\/index.php?rest_route=\/wp\/v2\/pages\/518\/revisions\/558"}],"wp:attachment":[{"href":"https:\/\/cemarklabs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}