{"id":170,"date":"2021-05-01T15:38:33","date_gmt":"2021-05-01T15:38:33","guid":{"rendered":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/?p=170"},"modified":"2021-05-01T15:38:33","modified_gmt":"2021-05-01T15:38:33","slug":"adams-status-report-for-5-1-2021","status":"publish","type":"post","link":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/2021\/05\/01\/adams-status-report-for-5-1-2021\/","title":{"rendered":"Adam&#8217;s Status Report for 5\/1\/2021"},"content":{"rendered":"<p>REV 2 BUILD &amp; PRE-AMP CHARACTERIZATION: This week, I partially assembled our newly-arrived Rev 2 boards, building out a complete pre-amp channel. This allowed me to finally characterize the BARI pre-amp for gain flatness and THD, though the limited test equipment available prevented me from characterizing it to a high degree of precision. For details, see the final presentation slides to be presented on Mon\/Weds.<\/p>\n<p>A representative curve can be seen below, demonstrating the input and output signals and spectra for a ~200 mV, 1 kHz signal. A Blackman window is used, improving the spectrum dynamic range as compared to last week.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-171\" src=\"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-content\/uploads\/sites\/141\/2021\/05\/200mV-inout-300x237.png\" alt=\"\" width=\"300\" height=\"237\" srcset=\"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-content\/uploads\/sites\/141\/2021\/05\/200mV-inout-300x237.png 300w, http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-content\/uploads\/sites\/141\/2021\/05\/200mV-inout-768x607.png 768w, http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-content\/uploads\/sites\/141\/2021\/05\/200mV-inout.png 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>I am currently working with Xingran to debug sources of noise in the analog\/digital domains and devise appropriate mitigation strategies. This work will continue through the next week, in parallel to other integration efforts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>REV 2 BUILD &amp; PRE-AMP CHARACTERIZATION: This week, I partially assembled our newly-arrived Rev 2 boards, building out a complete pre-amp channel. This allowed me to finally characterize the BARI pre-amp for gain flatness and THD, though the limited test equipment available prevented me from characterizing it to a high degree of precision. For details, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/2021\/05\/01\/adams-status-report-for-5-1-2021\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Adam&#8217;s Status Report for 5\/1\/2021&#8221;<\/span><\/a><\/p>\n","protected":false},"author":435,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[2],"_links":{"self":[{"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/posts\/170"}],"collection":[{"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/users\/435"}],"replies":[{"embeddable":true,"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/comments?post=170"}],"version-history":[{"count":1,"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/posts\/170\/revisions"}],"predecessor-version":[{"id":172,"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/posts\/170\/revisions\/172"}],"wp:attachment":[{"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/media?parent=170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/categories?post=170"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/course.ece.cmu.edu\/~ece500\/projects\/s21-teamd0\/wp-json\/wp\/v2\/tags?post=170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}