{"id":3003,"date":"2024-08-30T20:18:00","date_gmt":"2024-08-30T10:18:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2024\/08\/30\/mr-carlson-makes-a-thermatron-power-supply-for-a-bc-348\/"},"modified":"2025-07-22T18:01:21","modified_gmt":"2025-07-22T08:01:21","slug":"mr-carlson-makes-a-thermatron-power-supply-for-a-bc-348","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2024\/08\/30\/mr-carlson-makes-a-thermatron-power-supply-for-a-bc-348\/","title":{"rendered":"Mr. Carlson Makes a Thermatron Power Supply for a BC-348"},"content":{"rendered":"<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\" frameborder=\"0\" height=\"247\" referrerpolicy=\"strict-origin-when-cross-origin\" src=\"https:\/\/www.youtube.com\/embed\/ZU7ewzAUZYU?si=Ab2E4Zwakawnhuhq?rel=0\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div><b>When I was 14, I had to make a power supply for a Heath HW-32A. Mine ended up working, but it was nowhere near as nice as Mr. Carlson&#8217;s BC-348 supply (shown in the video above). I didn&#8217;t have a sand blaster, nor a drill press, nor much of anything else, really. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>But hey, don&#8217;t real boatanchor hams use Greenlee chassis punches? What&#8217;s with the drill press and the hole saws? <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Note that Mr. C takes care to make sure that the rectifier tube is in the proper angle FOR OPTIMAL VIEWING. That&#8217;s some serious attention to detail OM. And whoa, DELICATE SURFACE MASKING TAPE from 3M? Respect! Also, era-specific looming material. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>His point about the importance of the cardboard washers in the power transformer was really useful. I hadn&#8217;t thought about that. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Here are the two previous BC-348 videos: <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><a href=\"https:\/\/www.youtube.com\/watch?v=nX87kwSshZ8\"><b>https:\/\/www.youtube.com\/watch?v=nX87kwSshZ8<\/b><\/a><\/div>\n<div><b><br \/><\/b><\/div>\n<div><a href=\"https:\/\/www.youtube.com\/watch?v=Zqe6CBe0iGs\"><b>https:\/\/www.youtube.com\/watch?v=Zqe6CBe0iGs<\/b><\/a><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Thanks Paul! <\/b><\/div>\n","protected":false},"excerpt":{"rendered":"<p>When I was 14, I had to make a power supply for a Heath HW-32A. Mine ended up working, but it was nowhere near as nice as Mr. Carlson&#8217;s BC-348 supply (shown in the video above). I didn&#8217;t have a sand blaster, nor a drill press, nor much of anything else, really. But hey, don&#8217;t &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2024\/08\/30\/mr-carlson-makes-a-thermatron-power-supply-for-a-bc-348\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Mr. Carlson Makes a Thermatron Power Supply for a BC-348&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[190,233,243],"tags":[],"class_list":["post-3003","post","type-post","status-publish","format-standard","hentry","category-canada","category-carlson-mr","category-military-radios"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/3003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=3003"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/3003\/revisions"}],"predecessor-version":[{"id":11204,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/3003\/revisions\/11204"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=3003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=3003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=3003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}