{"id":5154,"date":"2025-05-11T12:03:00","date_gmt":"2025-05-11T02:03:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2025\/05\/11\/peter-parker-vk3ye-finds-a-homebrew-double-sideband-transceiver-at-an-australian-hamfest\/"},"modified":"2025-07-22T12:36:17","modified_gmt":"2025-07-22T02:36:17","slug":"peter-parker-vk3ye-finds-a-homebrew-double-sideband-transceiver-at-an-australian-hamfest","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2025\/05\/11\/peter-parker-vk3ye-finds-a-homebrew-double-sideband-transceiver-at-an-australian-hamfest\/","title":{"rendered":"Peter Parker VK3YE finds a Homebrew Double Sideband Transceiver at an Australian Hamfest"},"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\/7-VMZQ2Uwlo?si=t9MvpcCnysOrm9Vt?rel=0\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div><b>Peter&#8217;s detective work on the mystery box starts at around 13 minutes into this video. He quickly found a balanced modulator and did <u>not <\/u>find a crystal filter. This led him to correctly suspect a double sideband transceiver. A look at the LP filter and the VFO led him to suspect a 160 meter rig. Nice work Peter. That&#8217;s what it is: a 160 meter DSB transceiver. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>I had a similar experience with a direct conversion receiver, but never with a full double sideband transciever. Nice find. Peter should try to bring that rig back to life, and he should try to find out who built it. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>The Solid State Basics book by DeMaw and Rusgrove looks good. I hadn&#8217;t seen that one, but I will get one. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Thanks Peter! <\/b><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Peter&#8217;s detective work on the mystery box starts at around 13 minutes into this video. He quickly found a balanced modulator and did not find a crystal filter. This led him to correctly suspect a double sideband transceiver. A look at the LP filter and the VFO led him to suspect a 160 meter rig. &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2025\/05\/11\/peter-parker-vk3ye-finds-a-homebrew-double-sideband-transceiver-at-an-australian-hamfest\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Peter Parker VK3YE finds a Homebrew Double Sideband Transceiver at an Australian Hamfest&#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":[29,33,36],"tags":[],"class_list":["post-5154","post","type-post","status-publish","format-standard","hentry","category-australia","category-dsb","category-parker-peter"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5154","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=5154"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5154\/revisions"}],"predecessor-version":[{"id":11086,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5154\/revisions\/11086"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=5154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=5154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=5154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}