{"id":393952,"date":"2017-04-06T02:00:00","date_gmt":"2017-04-05T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=14cf353e6673223524b0bd40b0a9e410"},"modified":"2017-04-06T02:00:00","modified_gmt":"2017-04-05T23:00:00","slug":"a-versatile-lock-in-d-igital-amplifier-li-d-a-the-case-of-mechanical-resonances","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=393952","title":{"rendered":"A versatile Lock-In d igital Amplifier (LI d A): the case of mechanical resonances"},"content":{"rendered":"<p>The assembly of a Lock-In d igital Amplifier (LI d A) from widely accessible ready-made modules is<br \/>\npresented. This equipment, which does not require any advanced knowledge of electronics or<br \/>\nprogramming, may introduce the experimenter to resonant techniques by registering mechanical<br \/>\nresonances. The freely available control program allows for general data acquisition and further<br \/>\ndata processing. The apparatus is versatile and may corroborate the science and engineering<br \/>\nlaboratory in elasticity measurements or in a series of experiments where a modulated signal is a<br \/>\nprerequisite.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The assembly of a Lock-In d igital Amplifier (LI d A) from widely accessible ready-made modules is<br \/>\npresented. This equipment, which does not require any advanced knowledge of electronics or<br \/>\nprogramming, may introduce the experimenter to resonant tech&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-393952","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/393952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=393952"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/393952\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=393952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=393952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=393952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}