{"id":470,"date":"2009-10-29T08:51:31","date_gmt":"2009-10-29T12:51:31","guid":{"rendered":"http:\/\/www.engineeringradio.us\/blog\/?p=3928"},"modified":"2023-07-09T08:42:46","modified_gmt":"2023-07-09T12:42:46","slug":"harmonic-filter-for-be-fm-30t","status":"publish","type":"post","link":"https:\/\/www.engineeringradio.us\/blog\/2009\/10\/harmonic-filter-for-be-fm-30t\/","title":{"rendered":"Harmonic Filter for BE FM-30T"},"content":{"rendered":"\n<p>Another example from my blown-up shit collection, pictures archive:<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2009\/10\/burned-harmonic-filter.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"413\" src=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2009\/10\/burned-harmonic-filter.jpg\" alt=\"Burned out harmonic filter, BE FM-30T transmitter\" class=\"wp-image-471\" srcset=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2009\/10\/burned-harmonic-filter.jpg 550w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2009\/10\/burned-harmonic-filter-300x225.jpg 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><figcaption class=\"wp-element-caption\">Burned-out harmonic filter, BE FM-30T transmitter<\/figcaption><\/figure>\n\n\n\n<p>The harmonic filter from a Broadcast Electronics FM-30T.\u00a0 This actually started in the bullet connector to the 3-inch hardline on the output side of the filter.<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2009\/10\/burned-line-section.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"413\" src=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2009\/10\/burned-line-section.jpg\" alt=\"Burned out 3 inch hard line section\" class=\"wp-image-472\" srcset=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2009\/10\/burned-line-section.jpg 550w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2009\/10\/burned-line-section-300x225.jpg 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><figcaption class=\"wp-element-caption\">Burned out 3-inch hard-line section<\/figcaption><\/figure>\n\n\n\n<p>Again, I did not install this myself, someone else did.\u00a0 Cutting 3-inch hard line is pretty straightforward.\u00a0 When using a field flange, the outer and inner conductors are cut flush.\u00a0 Both conductors should be de-burred and filed smoothly.\u00a0 It only takes a little thing to start an arc with 30 KW of FM power, so once again, attention to detail is key to avoiding these things.<\/p>\n\n\n\n<p>Fortunately, BE sent along replacement parts for the harmonic filter and the line section was replaced.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Another example from my blown-up shit collection, pictures archive: The harmonic filter from a Broadcast Electronics FM-30T.\u00a0 This actually started in the bullet connector to the 3-inch hardline on the output side of the filter. Again, I did not install this myself, someone else did.\u00a0 Cutting 3-inch hard line is pretty straightforward.\u00a0 When using a &hellip; <a href=\"https:\/\/www.engineeringradio.us\/blog\/2009\/10\/harmonic-filter-for-be-fm-30t\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Harmonic Filter for BE FM-30T<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,4],"tags":[80,28,79],"class_list":["post-470","post","type-post","status-publish","format-standard","hentry","category-tales-of-disaster","category-tech-stuff","tag-burnout","tag-fm-site","tag-hard-line"],"_links":{"self":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/470","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/comments?post=470"}],"version-history":[{"count":3,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/470\/revisions"}],"predecessor-version":[{"id":12102,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/470\/revisions\/12102"}],"wp:attachment":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/media?parent=470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/categories?post=470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/tags?post=470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}