{"id":6419,"date":"2009-11-10T13:18:48","date_gmt":"2009-11-10T12:18:48","guid":{"rendered":"http:\/\/www.cqdx.ru\/blog\/?p=6419"},"modified":"2023-09-26T16:41:21","modified_gmt":"2023-09-26T14:41:21","slug":"make-your-qrpp-life-fun","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/diy\/make-your-qrpp-life-fun\/","title":{"rendered":"Make your QRPp life fun"},"content":{"rendered":"<p><a href=\"http:\/\/www.cqdx.ru\/blog\/wp-content\/uploads\/2009\/11\/DSB_TX_5mwt.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-6420\" title=\"DSB_TX_5mwt\" src=\"http:\/\/www.cqdx.ru\/blog\/wp-content\/uploads\/2009\/11\/DSB_TX_5mwt-555x416.jpg\" alt=\"DSB_TX_5mwt\" width=\"555\" height=\"416\" \/><\/a><\/p>\n<p>This double-sideband (DSB) radiotelephone transmitter is powered entirely by the instantaneous (<em>not<\/em> stored) energy produced in the operator&#8217;s voice. The RF output power in my prototype falls within the range of 5 to 15mW. The circuit is essentially a high-level DSB modulator\/crystal-controlled RF oscillator.<\/p>\n<p><a href=\"http:\/\/www.cqdx.ru\/blog\/wp-content\/uploads\/2009\/11\/QRPp_Diagramm1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-6421\" title=\"QRPp_Diagramm1\" src=\"http:\/\/www.cqdx.ru\/blog\/wp-content\/uploads\/2009\/11\/QRPp_Diagramm1-555x281.jpg\" alt=\"QRPp_Diagramm1\" width=\"555\" height=\"281\" \/><\/a><span style=\"text-decoration: underline;\">DX QSO made by author:<\/span><\/p>\n<p>10\/13\/09 \u00a0\u00a0 W1VZR\u00a0 57\/459\u00a0\u00a0\u00a0\u00a0 Limerick, ME\u00a0\u00a0 <span style=\"text-decoration: underline;\">160km<\/span> <strong>2.5mW<\/strong> Early ckt; resorted to &#8220;mouth CW&#8221;<br \/>\n10\/22\/09 \u00a0\u00a0 AA1MY \u00a0\u00a0 57\/33 \u00a0 \u00a0\u00a0 Bethel, ME\u00a0\u00a0\u00a0\u00a0 <span style=\"text-decoration: underline;\">160km<\/span> <strong> 5mW<\/strong> 1st skywave voice-pwr <em>fone<\/em> QSO!<br \/>\n10\/22\/09\u00a0\u00a0\u00a0 W1PID\u00a0\u00a0\u00a0 59\/54\u00a0 Sanbornton, NH\u00a0 <span style=\"text-decoration: underline;\">109km<\/span> <strong>5mW<\/strong> Horrendous QRN; Fabulous QSO!<\/p>\n<p><a href=\"http:\/\/mjrainey.googlepages.com\/elsilbo\" target=\"_blank\" rel=\"noopener\">More details<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This double-sideband (DSB) radiotelephone transmitter is powered entirely by the instantaneous (not stored) energy produced in the operator&#8217;s voice. The RF output power in my prototype falls within the range of 5 to 15mW. The circuit is essentially a high-level DSB modulator\/crystal-controlled RF oscillator. DX QSO made by author: 10\/13\/09 \u00a0\u00a0 W1VZR\u00a0 57\/459\u00a0\u00a0\u00a0\u00a0 Limerick, ME\u00a0\u00a0&hellip;<\/p>\n","protected":false},"author":2,"featured_media":38123,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[193,194,203,360],"class_list":["post-6419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diy","tag-ham-project","tag-ham_radio","tag-hamradio","tag-qrpp","category-2","description-off"],"_links":{"self":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/6419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/comments?post=6419"}],"version-history":[{"count":0,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/6419\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media\/38123"}],"wp:attachment":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media?parent=6419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/categories?post=6419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/tags?post=6419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}