{"id":5586,"date":"2022-08-27T09:40:00","date_gmt":"2022-08-26T23:40:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2022\/08\/27\/sdr-on-a-breadboard-but-isnt-this-an-old-fashioned-fantasy\/"},"modified":"2025-07-22T18:02:56","modified_gmt":"2025-07-22T08:02:56","slug":"sdr-on-a-breadboard-but-isnt-this-an-old-fashioned-fantasy","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2022\/08\/27\/sdr-on-a-breadboard-but-isnt-this-an-old-fashioned-fantasy\/","title":{"rendered":"SDR on a Breadboard &#8212; But  Isn&#8217;t This an Old-Fashioned Fantasy?"},"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\/G8BIYIsh-4I?rel=0\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div><b>Nice video, but I&#8217;m afraid it is a bit of an old-fashioned fantasy. It would be nice to think that our beloved analog mixers and direct conversion receivers still have a place in the SDR world. That may have been true a few years ago when we were using soundcard-based SDRs. But today we just put an Analog to Digital Converter at the antenna, do &#8220;Direct Sampling,&#8221; create a digital stream, and sent it to the CPU for processing, right? <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Sometimes we think that we can show younger people how our older tech (Direct Conversion receivers) is STILL relevant in the age of SDR radio. But I can just hear them scoffing at this notion, pointing out that I,Q-to-soundcard front ends have gone the way of the dinosaurs, and all we need now is an ADC and a CPU. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>But hey, I am an HDR guy. Am I missing something here? <\/b><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nice video, but I&#8217;m afraid it is a bit of an old-fashioned fantasy. It would be nice to think that our beloved analog mixers and direct conversion receivers still have a place in the SDR world. That may have been true a few years ago when we were using soundcard-based SDRs. But today we just &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2022\/08\/27\/sdr-on-a-breadboard-but-isnt-this-an-old-fashioned-fantasy\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;SDR on a Breadboard &#8212; But  Isn&#8217;t This an Old-Fashioned Fantasy?&#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":[35,34,342,54,40],"tags":[],"class_list":["post-5586","post","type-post","status-publish","format-standard","hentry","category-direct-conversion","category-mixer-theory","category-phasing","category-phasing-rigs","category-sdr"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5586","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=5586"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5586\/revisions"}],"predecessor-version":[{"id":11361,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5586\/revisions\/11361"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=5586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=5586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=5586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}