{"id":1505,"date":"2016-02-26T15:48:55","date_gmt":"2016-02-26T23:48:55","guid":{"rendered":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/?p=1505"},"modified":"2016-02-26T15:48:55","modified_gmt":"2016-02-26T23:48:55","slug":"update-av500-faulty-circuit-board-replaced","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/2016\/02\/update-av500-faulty-circuit-board-replaced\/","title":{"rendered":"UPDATE ! AV500 &#8211; FAULTY CIRCUIT BOARD REPLACED"},"content":{"rendered":"<p>One of two boards have been replaced and we are waiting for the second board to arrive.\u00a0 But, with this replacement, full functionality is restored to the most part.<\/p>\n<ul>\n<li>The 1H 90 pulse width is now 7.5 us at the usually employed lower power (contrast with the 18 us we reported a few days ago)<\/li>\n<li>The wobb curve will not have any noise.\u00a0 An example snapshot is shown here : <a href=\"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-content\/uploads\/2016\/02\/AV500_wobb_after_SGU_repair.jpg\" rel=\"attachment wp-att-1508\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-1508\" src=\"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-content\/uploads\/2016\/02\/AV500_wobb_after_SGU_repair.jpg\" alt=\"AV500_wobb_after_SGU_repair\" width=\"412\" height=\"317\" srcset=\"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-content\/uploads\/2016\/02\/AV500_wobb_after_SGU_repair.jpg 994w, https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-content\/uploads\/2016\/02\/AV500_wobb_after_SGU_repair-300x231.jpg 300w, https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-content\/uploads\/2016\/02\/AV500_wobb_after_SGU_repair-768x592.jpg 768w\" sizes=\"(max-width: 412px) 100vw, 412px\" \/><\/a><\/li>\n<li>Experiments such as 13C 1D with 1H decoupling should show clean singlets for X nucleus peaks.<\/li>\n<li>Spin Lock experiments will function normally<\/li>\n<\/ul>\n<p>The second board will come into play only when the 3rd channel is employed. With the BBI probe, this is not a possibility anyway.\u00a0\u00a0 But, this circuit board is also used for Topshim.\u00a0\u00a0 Topshim is functioning OK with lower power from the ailing board as of now.\u00a0 But if you see a total failure, please report to us via the instrument log post.<\/p>\n<p>More updates will be forthcoming.<\/p>\n<p>NMR Facility Manager<\/p>\n<p>2\/26\/16<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of two boards have been replaced and we are waiting for the second board to arrive.\u00a0 But, with this replacement, full functionality is restored to the most part. The 1H 90 pulse width is now 7.5 us at the usually employed lower power (contrast with the 18 us we reported a few days ago) [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,9,1],"tags":[],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/posts\/1505"}],"collection":[{"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/comments?post=1505"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/posts\/1505\/revisions"}],"predecessor-version":[{"id":1509,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/posts\/1505\/revisions\/1509"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/media?parent=1505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/categories?post=1505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/chemwp\/chemwpnmr\/wp-json\/wp\/v2\/tags?post=1505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}