{"id":2208,"date":"2021-07-13T10:13:00","date_gmt":"2021-07-13T00:13:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2021\/07\/13\/mythbuster-video-3-using-the-vfo-from-a-yaesu-ft-101\/"},"modified":"2025-07-22T18:04:40","modified_gmt":"2025-07-22T08:04:40","slug":"mythbuster-video-3-using-the-vfo-from-a-yaesu-ft-101","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2021\/07\/13\/mythbuster-video-3-using-the-vfo-from-a-yaesu-ft-101\/","title":{"rendered":"Mythbuster Video #3 &#8212; Using the VFO from a Yaesu FT-101"},"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\/qCN9siQj7g4?rel=0\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><a href=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2021\/07\/FT101VFOschematic.png\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" data-original-height=\"454\" data-original-width=\"614\" height=\"296\" src=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2021\/07\/FT101VFOschematic.png\" width=\"400\" \/><\/a><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><b>FT-101 VFO<\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><a href=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2021\/07\/FT-101amplifier.png\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" data-original-height=\"812\" data-original-width=\"1757\" height=\"185\" src=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2021\/07\/FT-101amplifier.png\" width=\"400\" \/><\/a><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><b>I used LTSpice and Wes&#8217;s FBA program (from LADPAC) to come up with a circuit that <\/b><b>would provide the needed gain. I needed to get the 290 mV rms signal (across a 50 0hm load) up to the 500 mV rms signal needed by the ADE1 mixer. Above is the amplifier that I came up with. The key here is to adjust R2 and R1 to get the required gain. <\/b><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>FT-101 VFO I used LTSpice and Wes&#8217;s FBA program (from LADPAC) to come up with a circuit that would provide the needed gain. I needed to get the 290 mV rms signal (across a 50 0hm load) up to the 500 mV rms signal needed by the ADE1 mixer. Above is the amplifier that I &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2021\/07\/13\/mythbuster-video-3-using-the-vfo-from-a-yaesu-ft-101\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Mythbuster Video #3 &#8212; Using the VFO from a Yaesu FT-101&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":2209,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66,60,132,53],"tags":[],"class_list":["post-2208","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-farhan","category-hayward-wes","category-mythbuster","category-vfo"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/2208","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=2208"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/2208\/revisions"}],"predecessor-version":[{"id":2211,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/2208\/revisions\/2211"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media\/2209"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=2208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=2208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=2208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}