{"id":12863,"date":"2018-04-05T08:25:30","date_gmt":"2018-04-05T15:25:30","guid":{"rendered":"https:\/\/rustybolt.info\/wordpress\/?p=12863"},"modified":"2018-04-05T08:25:48","modified_gmt":"2018-04-05T15:25:48","slug":"2018-04-04-transformers-in-series-parallel-part-2","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=12863","title":{"rendered":"2018-04-04 Transformers In Series Parallel Part 2"},"content":{"rendered":"<p>For FB group Building Transistor Radios<\/p>\n<p>I rigged up two of the transformers, connecting six 600 ohm windings in series and two 600 ohm windings in parallel. I measured the voltages to find the turns ratio. I applied 6 volts to the 6 series windings, and measured 1 volt on the two paralleled windings. This gives me a 6 to 1 turns ratio.<\/p>\n<p>The impedance ratio is the square of the turns ratio, or 36. I assumed the two 600 ohm windings in parallel give 300 ohms. So that multiplied by 36 is 10400 ohms for the six series windings.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12862 size-full\" src=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2018\/04\/IMG_20180404_2214472.jpg\" width=\"2930\" height=\"1958\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2018\/04\/IMG_20180404_2214472.jpg 2930w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2018\/04\/IMG_20180404_2214472-300x200.jpg 300w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2018\/04\/IMG_20180404_2214472-768x513.jpg 768w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2018\/04\/IMG_20180404_2214472-1024x684.jpg 1024w\" sizes=\"auto, (max-width: 2930px) 100vw, 2930px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>For FB group Building Transistor Radios I rigged up two of the transformers, connecting six 600 ohm windings in series and two 600 ohm windings in parallel. I measured the voltages to find the turns ratio. I applied 6 volts to the 6 series windings, and measured 1 volt on the two paralleled windings. This<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=12863\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12863","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12863","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=12863"}],"version-history":[{"count":2,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12863\/revisions"}],"predecessor-version":[{"id":12865,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12863\/revisions\/12865"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}