{"id":6166,"date":"2025-01-03T18:44:01","date_gmt":"2025-01-03T10:44:01","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/doeeet-offers-extensive-emc-emi-testing-services-for-small-satellites\/"},"modified":"2025-01-03T18:44:01","modified_gmt":"2025-01-03T10:44:01","slug":"doeeet-offers-extensive-emc-emi-testing-services-for-small-satellites","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/doeeet-offers-extensive-emc-emi-testing-services-for-small-satellites\/","title":{"rendered":"DoEEEt Offers Extensive EMC\/EMI Testing Services for Small Satellites"},"content":{"rendered":"<p style=\"text-align: center;\" itemprop=\"image\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/ImageObject\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.satnow.com\/news\/SECONDARY_POWER_DISTRIBUTION_in_satellites_638097452485662078.jpg\" width=\"712\" height=\"387\" alt=\"DoEEEt Offers Extensive EMC\/EMI Testing Services for Small Satellites\" class=\"imageload removeImageattr\" data-original=\"https:\/\/cdn.satnow.com\/news\/SECONDARY_POWER_DISTRIBUTION_in_satellites_638097452485662078.jpg\" style=\"opacity: 0.0581172;\"><br \/><meta itemprop=\"url\" content=\"https:\/\/cdn.satnow.com\/news\/SECONDARY_POWER_DISTRIBUTION_in_satellites_638097452485662078.jpg\"><meta itemprop=\"width\" content=\"712\"><meta itemprop=\"height\" content=\"387\"><\/p>\n<p><strong>DoEEEt<\/strong>, an ALTER Technology project, provides extensive EMI\/EMC testing for small satellites. EMI\/EMC testing is intended to ensure that no electromagnetic interference will exist between: &nbsp;<\/p>\n<ul>\n<li>The launcher and the satellite&nbsp;<\/li>\n<li>The satellite and the GSE&nbsp;<\/li>\n<li>Different satellites in the same launcher &nbsp;<\/li>\n<li>Different pieces of equipment with a given satellite<\/li>\n<\/ul>\n<p><strong>EMI\/EMC Test Flow<\/strong><\/p>\n<p>EMI\/EMC testing consists of 5 kinds of tests: &nbsp;<\/p>\n<ul>\n<li>Radiated emissions: Radiated emissions from the EUT are not more than a given level&nbsp;<\/li>\n<li>Radiated immunity: The EUT is immune to radiated emissions from the environment&nbsp;<\/li>\n<li>Conducted emission: Conducted emission is below a given level. In the case of a satellite, this refers to intra-satellite emissions from one subsystem to another. &nbsp;&nbsp;<\/li>\n<li>Conducted immunity: A given subsystem is immune to emissions from other subsystems. &nbsp;<\/li>\n<li>Self immunity: All subsystems working simultaneously do not produce interference with each other.<\/li>\n<\/ul>\n<p><strong>EMI Test: Electromagnetic interference<\/strong><\/p>\n<p>EMI\/EMC testing indicates to engineers whether a device is compatible with its electromagnetic environment and determines whether it will produce electromagnetic interference, or EMI, in real-world situations.<\/p>\n<p><strong>EMC test: Electromagnetic Compatibility test equipment<\/strong><\/p>\n<p>Electromagnetic Compatibility (EMC) tests are performed in an anechoic chamber for radiated emission\/immunity (to avoid reflections) and using grounded planes (for conducted emission\/immunity). &nbsp;<\/p>\n<p>An anechoic chamber is a room designed to absorb reflections of either sound or electromagnetic waves completely. They are also often isolated from waves entering their surroundings. This combination means that a person or detector exclusively hears direct sounds (no reverberant), simulating being inside an infinitely large room. Electromagnetic Compatibility (EMC) testing of flight models needs a cleanliness level of ISO 8. &nbsp;<\/p>\n<p>ISO 8 is the least clean cleanroom classification. A cleanroom must have less than 35,200,000 particles\/m3 particles &gt; 0.5 \u00b5m and 20 HEPA-filtered air changes per hour.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DoEEEt, an ALTER Technology project, provides extensive EMI\/EMC testing for small satellites. EMI\/EMC testing is intended to ensure that no electromagnetic interference will exist between: &nbsp; The launcher and the satellite&nbsp; The satellite and the GSE&nbsp; Different satellites in the same launcher &nbsp; Different pieces of equipment with a given satellite EMI\/EMC Test Flow EMI\/EMC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[26,25,20],"class_list":["post-6166","post","type-post","status-publish","format-standard","hentry","category-news","tag-ground","tag-launch","tag-satellite"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/6166"}],"collection":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/comments?post=6166"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/6166\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=6166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=6166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=6166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}