{"id":1113,"date":"2013-07-30T12:57:52","date_gmt":"2013-07-30T12:57:52","guid":{"rendered":"https:\/\/ibex.tech\/resources\/?p=1113"},"modified":"2022-02-18T15:05:17","modified_gmt":"2022-02-18T15:05:17","slug":"balanced-audio-connections","status":"publish","type":"post","link":"https:\/\/ibex.tech\/resources\/geek-area\/electronics\/audio\/balanced-audio-connections","title":{"rendered":"Balanced Audio Connections"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Creating A Balanced Line Output <\/h4>\n\n\n\n<p>From an unbalanced\u00a0line level signal <\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_line_out.png\"><img loading=\"lazy\" decoding=\"async\" width=\"630\" height=\"176\" src=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_line_out.png\" alt=\"balanced_line_out\" class=\"wp-image-1114\" srcset=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_line_out.png 630w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_line_out-300x83.png 300w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><\/a><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Converting Balanced Line Level to Un-Balanced <\/h4>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal.png\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"505\" src=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal.png\" alt=\"balanced_to_unbalanced_line_signal\" class=\"wp-image-1778\" srcset=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal.png 501w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal-150x150.png 150w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal-298x300.png 298w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal-60x60.png 60w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/a><\/figure>\n\n\n\n<p><em>NOTE: The 22K resistors used here work great, but 22K can cause noise to be picked up from close digital tracks (e.g. 3.3V clock signals).  We discovered just such a problem on a digital PCB causing pickup to occur at the negative op amp input and the remedy was to change to 2K resistors instead.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"199\" height=\"252\" src=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal2.png\" alt=\"balanced_to_unbalanced_line_signal2\" class=\"wp-image-1780\" srcset=\"https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal2.png 199w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal2-47x60.png 47w, https:\/\/ibex.tech\/resources\/wp-content\/uploads\/sites\/3\/balanced_to_unbalanced_line_signal2-118x150.png 118w\" sizes=\"auto, (max-width: 199px) 100vw, 199px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Creating A Balanced Line Output From an unbalanced\u00a0line level signal Converting Balanced Line Level to Un-Balanced NOTE: The 22K resistors used here work great, but 22K can cause noise to be picked up from close digital tracks (e.g. 3.3V clock signals). We discovered just such a problem on a digital PCB causing pickup to occur [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-1113","post","type-post","status-publish","format-standard","hentry","category-audio"],"_links":{"self":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/1113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/comments?post=1113"}],"version-history":[{"count":6,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/1113\/revisions"}],"predecessor-version":[{"id":2194,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/1113\/revisions\/2194"}],"wp:attachment":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/media?parent=1113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/categories?post=1113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/tags?post=1113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}