{"id":1634,"date":"2013-05-23T23:30:24","date_gmt":"2013-05-23T22:30:24","guid":{"rendered":"http:\/\/helpmyphysics.co.uk\/wordpress\/?p=1634"},"modified":"2013-05-23T23:30:24","modified_gmt":"2013-05-23T22:30:24","slug":"differential-opamp","status":"publish","type":"post","link":"https:\/\/helpmyphysics.co.uk\/wordpress\/?p=1634","title":{"rendered":"Differential Opamp."},"content":{"rendered":"<p>Here is the set up for an opamp set to differential mode.<\/p>\n\n<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\"\n\t\t\tid=\"fm_opamp_diff_1884160336\"\n\t\t\tclass=\"flashmovie\"\n\t\t\twidth=\"550\"\n\t\t\theight=\"450\">\n\t<param name=\"movie\" value=\"http:\/\/www.helpmyphysics.co.uk\/opamp_diff.swf\" \/>\n\t<!--[if !IE]>-->\n\t<object\ttype=\"application\/x-shockwave-flash\"\n\t\t\tdata=\"http:\/\/www.helpmyphysics.co.uk\/opamp_diff.swf\"\n\t\t\tname=\"fm_opamp_diff_1884160336\"\n\t\t\twidth=\"550\"\n\t\t\theight=\"450\">\n\t<!--<![endif]-->\n\t\t\n\t<!--[if !IE]>-->\n\t<\/object>\n\t<!--<![endif]-->\n<\/object>\n<p>This set up amplifies the <strong>difference<\/strong> between the two voltages.<\/p>\n<p><a href=\"https:\/\/helpmyphysics.co.uk\/wordpress\/wp-content\/uploads\/2013\/05\/daum_equation_1369347773825.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/helpmyphysics.co.uk\/wordpress\/wp-content\/uploads\/2013\/05\/daum_equation_1369347773825.png\" alt=\"daum_equation_1369347773825\" width=\"249\" height=\"65\" class=\"aligncenter size-full wp-image-1637\" \/><\/a><\/p>\n<p>Looking at the input and feedback resistors we have:<br \/>\n<a href=\"https:\/\/helpmyphysics.co.uk\/wordpress\/wp-content\/uploads\/2013\/05\/daum_equation_1369348006205.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/helpmyphysics.co.uk\/wordpress\/wp-content\/uploads\/2013\/05\/daum_equation_1369348006205.png\" alt=\"daum_equation_1369348006205\" width=\"233\" height=\"65\" class=\"aligncenter size-full wp-image-1639\" \/><\/a><\/p>\n<p>Click the green arrows of V2 and V1 and check out that the difference between V2 and V1 is multiplied by 2.<\/p>\n<p>This is an example of a differential amplifier.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here is the set up for an opamp set to differential mode. This set up amplifies the difference between the two voltages. Looking at the input and feedback resistors we have: Click the green arrows of V2 and V1 and check out that the difference between V2 and V1 is multiplied by 2. This is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-1634","post","type-post","status-publish","format-standard","hentry","category-higher-physics"],"_links":{"self":[{"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1634"}],"version-history":[{"count":6,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1634\/revisions"}],"predecessor-version":[{"id":1642,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1634\/revisions\/1642"}],"wp:attachment":[{"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helpmyphysics.co.uk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}