{"id":8465,"date":"2017-09-20T10:04:00","date_gmt":"2017-09-20T00:04:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2017\/09\/20\/can-you-see-an-error-in-the-herring-aid-five-schematics\/"},"modified":"2025-07-22T00:42:56","modified_gmt":"2025-07-21T14:42:56","slug":"can-you-see-an-error-in-the-herring-aid-five-schematics","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2017\/09\/20\/can-you-see-an-error-in-the-herring-aid-five-schematics\/","title":{"rendered":"Can You See an Error in the Herring Aid Five Schematics?"},"content":{"rendered":"<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"> <a href=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2017\/09\/HerringAId5QSTSchematic.jpg\" imageanchor=\"1\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" data-original-height=\"324\" data-original-width=\"455\" height=\"283\" src=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2017\/09\/HerringAId5QSTSchematic.jpg\" width=\"400\" \/><\/a><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b>Something caught my eye this morning. Please take a look at the audio amplifier stages (Q3 and Q4) on the Herring Aid Five. Can you see an error? Above is the original schematic from the 1976 QST. Below is a 1998 update by VK1GB and KI6DS. I see the same problem in both schematics. Please let me know if you see an error. <\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjxspLGBTU28Ld78Xpp59-OgmAuJ6Oyaq6qIK_cQJ_L4R6KmsCt64CYQLWQyE8gzhJLUCQc0X5jCwNHmoQymQk-UWI9BWbvUTCJsmdTYG3TgArPxyRDruxREADlKHRj0tehRH8U8gmBMik\/s1600\/herring_schem+BITMAP.bmp\" imageanchor=\"1\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" data-original-height=\"850\" data-original-width=\"1018\" height=\"266\" src=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2014\/03\/herring_schemBITMAP.jpg\" width=\"320\" \/><\/a><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Something caught my eye this morning. Please take a look at the audio amplifier stages (Q3 and Q4) on the Herring Aid Five. Can you see an error? Above is the original schematic from the 1976 QST. Below is a 1998 update by VK1GB and KI6DS. I see the same problem in both schematics. Please &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2017\/09\/20\/can-you-see-an-error-in-the-herring-aid-five-schematics\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Can You See an Error in the Herring Aid Five Schematics?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":8466,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[167],"tags":[],"class_list":["post-8465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-herring-aid-5"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/8465","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=8465"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/8465\/revisions"}],"predecessor-version":[{"id":8467,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/8465\/revisions\/8467"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media\/8466"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=8465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=8465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=8465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}