{"id":8269,"date":"2022-02-28T10:23:00","date_gmt":"2022-02-27T23:23:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2022\/02\/28\/la6nca-designs-and-builds-a-very-hybrid-80-meter-transmitter-si5351-and-a-12a6-tube-video\/"},"modified":"2025-07-22T18:03:59","modified_gmt":"2025-07-22T08:03:59","slug":"la6nca-designs-and-builds-a-very-hybrid-80-meter-transmitter-si5351-and-a-12a6-tube-video","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2022\/02\/28\/la6nca-designs-and-builds-a-very-hybrid-80-meter-transmitter-si5351-and-a-12a6-tube-video\/","title":{"rendered":"LA6NCA Designs and Builds a Very Hybrid 80 Meter Transmitter (Si5351 and a 12A6 Tube) (Video)"},"content":{"rendered":"<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" frameborder=\"0\" height=\"247\" src=\"https:\/\/www.youtube.com\/embed\/jE1mNmgQTg0?rel=0\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div><span style=\"font-family: courier;\"><b>Helge LA6NCA put out a really nice video explaining how he designed and built an 80 meter transmitter. <br \/><\/b><\/span><\/p>\n<div><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b>I like how he put the Si5351 and the Arduino chip in what looks like a slightly expanded FT-241 crystal box. Nice. <\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b>I like the box and the chassis. <\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b>I like his testing\/tuning technique. <\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b>The homebrew capacitor was a very nice touch. <\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b>Where can I get some of those coil forms? <\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b>And of course, the R-390 receiver adds a lot of mojo to the shack. <\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div style=\"background-color: white; color: #222222;\"><span style=\"font-family: courier;\"><b>Helge&#8217;s web sites document an enormous number of great projects: <\/b><\/span><\/div>\n<div><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div><span style=\"font-family: courier;\"><b>Helge&#8217;s page on the 12A6\/Si5351 transmitter: <a href=\"https:\/\/www.la6nca.net\/homebrew\/tx_12a6\/index.htm\">https:\/\/www.la6nca.net\/homebrew\/tx_12a6\/index.htm<\/a><\/b><\/span><\/div>\n<div><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div><span style=\"font-family: courier;\"><b>Helge&#8217;s main site: <a href=\"http:\/\/www.laud.no\/fykse\/index.htm\">http:\/\/www.laud.no\/fykse\/index.htm<\/a><\/b><\/span><\/div>\n<div><span style=\"font-family: courier;\"><b><br \/><\/b><\/span><\/div>\n<div><b><span style=\"font-family: courier;\">Thank you Helge! And thanks to <a href=\"https:\/\/hackaday.com\/2022\/02\/27\/retro-and-new-tech-combine-in-this-hybrid-ham-transmitter\/\">Hack-A-Day for alerting us to this.<\/a> <\/span><\/b><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Helge LA6NCA put out a really nice video explaining how he designed and built an 80 meter transmitter. I like how he put the Si5351 and the Arduino chip in what looks like a slightly expanded FT-241 crystal box. Nice. I like the box and the chassis. I like his testing\/tuning technique. The homebrew capacitor &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2022\/02\/28\/la6nca-designs-and-builds-a-very-hybrid-80-meter-transmitter-si5351-and-a-12a6-tube-video\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;LA6NCA Designs and Builds a Very Hybrid 80 Meter Transmitter (Si5351 and a 12A6 Tube) (Video)&#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":[116,92,61,71,101],"tags":[],"class_list":["post-8269","post","type-post","status-publish","format-standard","hentry","category-cw","category-norway","category-si5351","category-test-gear","category-tubes"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/8269","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=8269"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/8269\/revisions"}],"predecessor-version":[{"id":11410,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/8269\/revisions\/11410"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=8269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=8269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=8269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}