{"id":8978,"date":"2007-09-17T16:52:00","date_gmt":"2007-09-17T20:52:00","guid":{"rendered":"https:\/\/nuxx.net\/blog\/2007\/09\/17\/splitting-ground\/"},"modified":"2026-07-01T11:36:02","modified_gmt":"2026-07-01T15:36:02","slug":"splitting-ground","status":"publish","type":"post","link":"https:\/\/nuxx.net\/blog\/2007\/09\/17\/splitting-ground\/","title":{"rendered":"Splitting Ground"},"content":{"rendered":"<p>Here&#8217;s a quick electronics question:<\/p>\n<p>How can I couple two groundplanes together, but isolate noise between them?<\/p>\n<p>The reason I ask is because I&#8217;ve got a really noisy USB connection coming from my work laptop, and while I can feed it&#8217;s data lines right into the DAC, the ground connection for it is the same as the one for the outputs. I&#8217;m trying to figure out how one can couple those two grounds together, but cut off noise between them.<\/p>\n<p>Best I can tell that&#8217;s just done with a ferrite bead&#8230; Is that right?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here&#8217;s a quick electronics question: How can I couple two groundplanes together, but isolate noise between them? The reason I ask is because I&#8217;ve got a really noisy USB connection coming from my work laptop, and while I can feed it&#8217;s data lines right into the DAC, the ground connection for it is the same\u2026<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,34],"tags":[],"class_list":["post-8978","post","type-post","status-publish","format-standard","hentry","category-electronics","category-moved-from-livejournal"],"_links":{"self":[{"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/posts\/8978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/comments?post=8978"}],"version-history":[{"count":1,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/posts\/8978\/revisions"}],"predecessor-version":[{"id":12632,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/posts\/8978\/revisions\/12632"}],"wp:attachment":[{"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/media?parent=8978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/categories?post=8978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nuxx.net\/blog\/wp-json\/wp\/v2\/tags?post=8978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}