{"id":951,"date":"2012-01-27T08:30:34","date_gmt":"2012-01-27T16:30:34","guid":{"rendered":"http:\/\/rustybolt.info\/wordpress\/?p=951"},"modified":"2012-03-14T18:54:47","modified_gmt":"2012-03-15T01:54:47","slug":"2012-01-27","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=951","title":{"rendered":"2012-01-27 Conventional and Supercharged Joule Thief"},"content":{"rendered":"<p><a href=\"http:\/\/rustybolt.info\/wordpress\/?attachment_id=1108\" rel=\"attachment wp-att-1108\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-1108\" title=\"DSCN1280S5\" src=\"http:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/01\/DSCN1280S5-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/01\/DSCN1280S5-300x225.jpg 300w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/01\/DSCN1280S5.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"http:\/\/rustybolt.info\/wordpress\/?attachment_id=1109\" rel=\"attachment wp-att-1109\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-1109\" title=\"DSCN1281S3\" src=\"http:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/01\/DSCN1281S3-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/01\/DSCN1281S3-300x225.jpg 300w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/01\/DSCN1281S3.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>I had these pics of my JTs from 2009, both conventional and supercharged JTs.\u00a0 The conventional JT is lucky if it can be 50 percent efficient.\u00a0 My Supercharged JT will do upwards of 80 percent easily, using much less battery current while giving the same amount of light output.<\/p>\n<p>I believe I have seen only one or two experimenters use my Supercharged Joule Thief circuit; for the most part it has been ignored.\u00a0 The circuit is almost as simple as the conventional JT.\u00a0 All it takes is a diode and a capacitor to make one.\u00a0 The diode can be a 1N914 or 1N4148, and the capacitor can be from 560 pF to 1000 pF or 1nF (ceramic disks are marked 561 or 102). The Supercharged JT picture shows how they are connected.\u00a0 This uses a BC337-25 transistor, but a 2N4401 or PN2222A will work fine.<\/p>\n<p>&nbsp;<\/p>\n<p>Back to experimenting&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I had these pics of my JTs from 2009, both conventional and supercharged JTs.\u00a0 The conventional JT is lucky if it can be 50 percent efficient.\u00a0 My Supercharged JT will do upwards of 80 percent easily, using much less battery current while giving the same amount of light output. I believe I have seen only<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=951\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,12],"tags":[],"class_list":["post-951","post","type-post","status-publish","format-standard","hentry","category-joule-thief-smps-dc-dc","category-led"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=951"}],"version-history":[{"count":7,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/951\/revisions"}],"predecessor-version":[{"id":1534,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/951\/revisions\/1534"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}