{"id":18683,"date":"2010-12-15T20:44:09","date_gmt":"2010-12-15T19:44:09","guid":{"rendered":"http:\/\/www.cqdx.ru\/blog\/?p=18683"},"modified":"2023-10-11T09:32:51","modified_gmt":"2023-10-11T07:32:51","slug":"low-power-fa-sdr-transceiver","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/new-equipment\/low-power-fa-sdr-transceiver\/","title":{"rendered":"Low Power &#038; cost FA SDR transceiver"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-37890 size-full\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2010\/12\/FA-SDR-TRX-Prototype_Font-555x252-1.jpg\" alt=\"\" width=\"555\" height=\"252\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2010\/12\/FA-SDR-TRX-Prototype_Font-555x252-1.jpg 555w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2010\/12\/FA-SDR-TRX-Prototype_Font-555x252-1-300x136.jpg 300w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/p>\n<p>Claimed performance data:<br \/>\nThe claimed performance data look quite promising (source: &#8216;Funkamateur&#8217; 10\/2009):<br \/>\nFrequency range: 1.7 to 30 MHz<br \/>\nAdditional ranges: 6m and 2m, if appropriate RF pre-selection and amplification is added by the user<br \/>\nMDS 80m: -123 dbm (@ 500 Hz BW)<br \/>\nMDS 10m: -127 dbm (@ 500 Hz BW)<br \/>\nIP3: &gt; +15 dbm<br \/>\nIMDR3: &gt; 90db<br \/>\nPout (with plugged-in optional amp): &lt;= 1 watt<br \/>\nTX IMD(3) at 1 watt: -35 dbc<br \/>\nTX IMD(3) at 10 mW: -50 dbc<br \/>\nSpurious emissions at 1 watt CW output:<br \/>\nimage: -60 dbc<br \/>\ncarrier: -65 dbc<br \/>\nother spurious: -50 dbc<br \/>\nsideband surpression:<br \/>\nw\/o software optimization: &#8211; 35 db<br \/>\nwith software optimization: &#8211; 70 db<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.dh1tw.de\/fa-sdr-trx-funkamateur-allband-sdr\" target=\"_blank\" rel=\"noopener\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; Claimed performance data: The claimed performance data look quite promising (source: &#8216;Funkamateur&#8217; 10\/2009): Frequency range: 1.7 to 30 MHz Additional ranges: 6m and 2m, if appropriate RF pre-selection and amplification is added by the user MDS 80m: -123 dbm (@ 500 Hz BW) MDS 10m: -127 dbm (@ 500 Hz BW) IP3: &gt;&hellip;<\/p>\n","protected":false},"author":2,"featured_media":37890,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[8],"tags":[194,304,421],"class_list":["post-18683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-new-equipment","tag-ham_radio","tag-new-equipment-2","tag-sdr","category-8","description-off"],"_links":{"self":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/18683","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=18683"}],"version-history":[{"count":0,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/18683\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media\/37890"}],"wp:attachment":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media?parent=18683"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/categories?post=18683"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/tags?post=18683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}