{"id":17600,"date":"2010-10-28T23:10:34","date_gmt":"2010-10-28T21:10:34","guid":{"rendered":"http:\/\/www.cqdx.ru\/blog\/?p=17600"},"modified":"2023-10-11T09:48:01","modified_gmt":"2023-10-11T07:48:01","slug":"wb6dhw-ufhsdr-kits","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/new-equipment\/wb6dhw-ufhsdr-kits\/","title":{"rendered":"WB6DHW UHFSDR &#038; Kit&#8217;s"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-37935 size-full\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2010\/10\/Cropped_Mounted-555x397-1.jpg\" alt=\"\" width=\"555\" height=\"397\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2010\/10\/Cropped_Mounted-555x397-1.jpg 555w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2010\/10\/Cropped_Mounted-555x397-1-300x215.jpg 300w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/p>\n<p style=\"text-align: justify;\">The UHFSDR is a Software Defined Transceiver covering the 1.75 MHz to 700 MHz frequency range. A Si570 is used for frequency control. Two LVPECL 4 GHz max.flip flops produce I and Q LO signals at 1\/2 the Si570 frequency. A pair of 1-1000MHz Double Balanced Mixers are used to convert signals to and from base band.<\/p>\n<p>A receiver pre-amp (2dB noise figure) and a transmit pre-amp(50mW max output) are provided as well as antennal switching plus provision for separate receive and transmit connections.<\/p>\n<p>For additional information, download the <a title=\"Assembly Manual\" href=\"http:\/\/www.wb6dhw.com\/UHF-SDR\/UHF_SDR%20Assembly%20Manual.doc\">Assembly Manual<\/a>.<br \/>\nThe BOM, schematic, and board layout are <a href=\"http:\/\/www.wb6dhw.com\/UHF-SDR\/production\/UHFSDRproduction.zip\">Here<\/a>.<br \/>\nA HiRes(3.7MByte.) picture of the completed board is <a title=\"Hires Board\" href=\"http:\/\/www.wb6dhw.com\/UHF-SDR\/production\/UHFSDR-r1_HiRES.JPG\">Here<\/a><\/p>\n<p><em>Link to WD6DHW&#8217;s <a href=\"http:\/\/www.wb6dhw.com\/\" target=\"_blank\" rel=\"noopener\">Website<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The UHFSDR is a Software Defined Transceiver covering the 1.75 MHz to 700 MHz frequency range. A Si570 is used for frequency control. Two LVPECL 4 GHz max.flip flops produce I and Q LO signals at 1\/2 the Si570 frequency. A pair of 1-1000MHz Double Balanced Mixers are used to convert signals to and from&hellip;<\/p>\n","protected":false},"author":2,"featured_media":37935,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[8],"tags":[194,259,304,421],"class_list":["post-17600","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-new-equipment","tag-ham_radio","tag-kit","tag-new-equipment-2","tag-sdr","category-8","description-off"],"_links":{"self":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/17600","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=17600"}],"version-history":[{"count":0,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/17600\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media\/37935"}],"wp:attachment":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media?parent=17600"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/categories?post=17600"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/tags?post=17600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}