{"id":709,"date":"2012-02-14T08:40:11","date_gmt":"2012-02-14T06:40:11","guid":{"rendered":"http:\/\/dh5ym.hopto.org\/wiki\/?p=709"},"modified":"2013-02-08T19:00:49","modified_gmt":"2013-02-08T19:00:49","slug":"hiqsdr-as-vna","status":"publish","type":"post","link":"https:\/\/dh5ym.hopto.org\/wiki\/?p=709","title":{"rendered":"HiQSDR as VNA"},"content":{"rendered":"<p>Since today the HiQSDR or the original N2ADR frontend might be used as a vector network analyzer for the shortwave range.<br \/>\nJim wrote a simple tool that displays amplitude and phase between TX port and RX port and can handle some calibration.<br \/>\nCurrently it is quite simple and i do not have provisions to measure reflections yet, so i can just measure S21 at the moment.<br \/>\nBut for the future it will be a nice feature to have the antenna analyzer built into the transceiver itself.<br \/>\nThe picture below shows a simple ugly-style lowpass filter.<br \/>\n<div id=\"attachment_716\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"..\/wiki\/wp-content\/uploads\/2012\/02\/Bildschirmfoto-Quisk-Vector-Network-Analyzer-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-716\" src=\"..\/wiki\/wp-content\/uploads\/2012\/02\/Bildschirmfoto-Quisk-Vector-Network-Analyzer-1-300x183.png\" alt=\"HiQSDR as VNA\" title=\"Bildschirmfoto-Quisk Vector Network Analyzer-1\" width=\"300\" height=\"183\" class=\"size-medium wp-image-716\" srcset=\"https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2012\/02\/Bildschirmfoto-Quisk-Vector-Network-Analyzer-1-300x183.png 300w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2012\/02\/Bildschirmfoto-Quisk-Vector-Network-Analyzer-1-1024x626.png 1024w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2012\/02\/Bildschirmfoto-Quisk-Vector-Network-Analyzer-1-624x381.png 624w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2012\/02\/Bildschirmfoto-Quisk-Vector-Network-Analyzer-1.png 1502w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-716\" class=\"wp-caption-text\">HiQSDR as VNA<\/p><\/div> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Since today the HiQSDR or the original N2ADR frontend might be used as a vector network analyzer for the shortwave range. Jim wrote a simple tool that displays amplitude and phase between TX port and RX port and can handle &hellip; <a href=\"https:\/\/dh5ym.hopto.org\/wiki\/?p=709\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,10,15,17],"tags":[],"class_list":["post-709","post","type-post","status-publish","format-standard","hentry","category-amateur-radio","category-measurement","category-rf","category-software-defined-radio"],"_links":{"self":[{"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/posts\/709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=709"}],"version-history":[{"count":1,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/posts\/709\/revisions"}],"predecessor-version":[{"id":880,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/posts\/709\/revisions\/880"}],"wp:attachment":[{"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}