{"id":290,"date":"2017-12-21T20:13:51","date_gmt":"2017-12-21T20:13:51","guid":{"rendered":"http:\/\/eportfolios.macaulay.cuny.edu\/rrahman\/?p=290"},"modified":"2017-12-21T20:13:51","modified_gmt":"2017-12-21T20:13:51","slug":"bjt-audio-amplifier","status":"publish","type":"post","link":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/2017\/12\/21\/bjt-audio-amplifier\/","title":{"rendered":"BJT Audio Amplifier"},"content":{"rendered":"<p>This is an audio amplifier that takes a small AC input signal from 3.5mm Audio Jack and powers up a 8 ohm speaker through a series of signal and power amplifier. The design includes two signal amplifier circuit, followed by a power amplifier. It operates on a 12V dc source. Each amplifier is simulated in Multisim- all the DC operating points and transient analysis is performed by Multisim and confirmed by manual calculations using SparkView and a four channel Oscilloscope.<\/p>\n<p><a href=\"http:\/\/eportfolios.macaulay.cuny.edu\/rrahman\/files\/2018\/05\/30C60BA0-477C-4843-B3B3-9E3EEC6EE1E0.jpeg\"><br \/>\n<\/a><a href=\"http:\/\/eportfolios.macaulay.cuny.edu\/rrahman\/files\/2018\/05\/9F61D125-A71C-4227-9B38-08C69BB46B8C.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-300\" src=\"http:\/\/eportfolios.macaulay.cuny.edu\/rrahman\/files\/2018\/05\/9F61D125-A71C-4227-9B38-08C69BB46B8C.jpeg\" alt=\"\" width=\"4032\" height=\"3024\" \/><\/a><a href=\"http:\/\/eportfolios.macaulay.cuny.edu\/rrahman\/files\/2018\/05\/70CFB56C-8D6F-49AE-A40C-6207D8A49209.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-296\" src=\"http:\/\/eportfolios.macaulay.cuny.edu\/rrahman\/files\/2018\/05\/70CFB56C-8D6F-49AE-A40C-6207D8A49209.jpeg\" alt=\"\" width=\"4032\" height=\"3024\" \/><\/a><a href=\"http:\/\/eportfolios.macaulay.cuny.edu\/rrahman\/files\/2018\/05\/C245C1A3-9865-4FB7-9B3B-BFBE34D6CD3A.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-298\" src=\"http:\/\/eportfolios.macaulay.cuny.edu\/rrahman\/files\/2018\/05\/C245C1A3-9865-4FB7-9B3B-BFBE34D6CD3A.jpeg\" alt=\"\" width=\"4032\" height=\"3024\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is an audio amplifier that takes a small AC input signal from 3.5mm Audio Jack and powers up a 8 ohm speaker through a series of signal and power amplifier. The design includes two signal amplifier circuit, followed by a power amplifier. It operates on a 12V dc source. Each amplifier is simulated in [&hellip;]<\/p>\n","protected":false},"author":605,"featured_media":297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"portfolio_post_id":0,"portfolio_citation":"","portfolio_annotation":"","openlab_post_visibility":"","footnotes":""},"categories":[4],"tags":[],"class_list":["post-290","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hardware-projects"],"_links":{"self":[{"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/posts\/290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/users\/605"}],"replies":[{"embeddable":true,"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/comments?post=290"}],"version-history":[{"count":0,"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/posts\/290\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/media\/297"}],"wp:attachment":[{"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/media?parent=290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/categories?post=290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/openlab.macaulay.cuny.edu\/reazwrahman\/wp-json\/wp\/v2\/tags?post=290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}