{"id":49,"date":"2016-04-05T23:20:08","date_gmt":"2016-04-05T23:20:08","guid":{"rendered":"http:\/\/lance.conryclan.com\/home\/?p=49"},"modified":"2016-04-05T23:25:19","modified_gmt":"2016-04-05T23:25:19","slug":"commas-full-stops-and-capacitor-values","status":"publish","type":"post","link":"https:\/\/lance.conryclan.com\/home\/commas-full-stops-and-capacitor-values\/","title":{"rendered":"Commas, full stops and Capacitor values"},"content":{"rendered":"<p>I bought an old pair of speakers\u00a0which\u00a0had a problem with the tweeters in one of them. \u00a0First port of call was to check the crossover circuit, and sure enough one of the electrolytic capacitors looked like it had\u00a0given up the ghost. \u00a0Not surprising really considering they&#8217;re about 30 years old!<a href=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2016\/04\/scaled_new-caps-oldcap1.jpg\" rel=\"attachment wp-att-50\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-50 aligncenter\" src=\"http:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2016\/04\/scaled_new-caps-oldcap1.jpg\" alt=\"scaled_new-caps-oldcap[1]\" width=\"312\" height=\"272\" srcset=\"https:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2016\/04\/scaled_new-caps-oldcap1.jpg 800w, https:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2016\/04\/scaled_new-caps-oldcap1-300x262.jpg 300w, https:\/\/lance.conryclan.com\/home\/wp-content\/uploads\/2016\/04\/scaled_new-caps-oldcap1-768x670.jpg 768w\" sizes=\"auto, (max-width: 312px) 100vw, 312px\" \/><\/a><\/p>\n<p><!--more-->Simple solution, overnight some new ones from rs-online. \u00a0But wait, what is this. \u00a0The capacitors have a value with a comma instead of a full stop. \u00a0What is this magic, and what does it mean? \u00a0It turns our that despite the world&#8217;s knowledge available over the internet, Google simply wasn&#8217;t helping with this one.<\/p>\n<p>I tried the local amateur repeater, which is frequented by a whole bunch of electronics whizzes, again no dice. \u00a0No-one had any idea.<\/p>\n<p>Anyway, after extensive research I finally concluded that a comma is simply the European way of writing a decimal place. \u00a0So just in case others may be wondering:<\/p>\n<p>2,2\u03bcF = 2.2\u03bcF \u00a0i.e. the full stop and comma are interchangeable.<\/p>\n<p>Out of interest,\u00a0one\u00a0source suggested that as a full stop\u00a0is easily erased or obscured, the comma&#8217;s larger &#8220;footprint&#8221; better withstands the rigours of time. \u00a0A little dubious if you ask me. \u00a0I would imagine that any capacitor that&#8217;s getting constantly rubbed or bumped so as to erase its printing will soon give up the ghost anyway.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I bought an old pair of speakers\u00a0which\u00a0had a problem with the tweeters in one of them. \u00a0First port of call was to check the crossover circuit, and sure enough one of the electrolytic capacitors looked like it had\u00a0given up the ghost. \u00a0Not surprising really considering they&#8217;re about 30 years old!<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/posts\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/comments?post=49"}],"version-history":[{"count":4,"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/posts\/49\/revisions"}],"predecessor-version":[{"id":54,"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/posts\/49\/revisions\/54"}],"wp:attachment":[{"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/media?parent=49"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/categories?post=49"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lance.conryclan.com\/home\/wp-json\/wp\/v2\/tags?post=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}