{"id":9,"date":"2019-05-08T17:21:37","date_gmt":"2019-05-08T17:21:37","guid":{"rendered":"http:\/\/spacetripamplifier.sdsu.edu\/?page_id=9"},"modified":"2019-05-08T18:52:20","modified_gmt":"2019-05-08T18:52:20","slug":"specifications","status":"publish","type":"page","link":"https:\/\/spacetripamplifier.sdsu.edu\/?page_id=9","title":{"rendered":"Specifications"},"content":{"rendered":"\n<p>Audio Input:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u00bc inch input jack<\/li><\/ul>\n\n\n\n<p>Preamp:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>LM386<\/li><li>Gain: 20VV <\/li><li>Input Voltage: -0.4 V to +0.4V<\/li><li>Supply Voltage: 5V<\/li><li>THD: 0.2%<\/li><\/ul>\n\n\n\n<p>Triangle Wave Generator:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>TLC555<\/li><li>Frequency: 200kHz<\/li><li>Peak to Peak Voltage: 2.17V<\/li><li>Supply Voltage: 5V<\/li><li>Not perfect triangle but good enough for the project<\/li><\/ul>\n\n\n\n<p>Comparator:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>LM393<\/li><li>Max input voltage: 1Vpk<\/li><li>Supply Voltage: 5V<\/li><li>2 comparators in 1 IC package<\/li><li>Pull up resistor<\/li><li>Input:<\/li><\/ul>\n\n\n\n<ol class=\"wp-block-list\"><li>Audio signal from preamp<\/li><li>Triangle Wave <\/li><\/ol>\n\n\n\n<ul class=\"wp-block-list\"><li>Output: <ul><li>PWM signal <\/li><\/ul><\/li><\/ul>\n\n\n\n<p>Gate Driver:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>IR2113<\/li><li>Generates deadtime <\/li><li>Logic Supply Ranges: 3.3V to 20V<\/li><li>Gate Driver Supply Voltage Range: 10V to 20V<\/li><li>Bootstrap Capacitor <\/li><li>Input: <ul><li>HI PWM signal from comparator<\/li><li>LO PWM signal from comparator<\/li><\/ul><\/li><li>Output: <ul><li>HI PWM signal with deadtime<\/li><li>LO PWM signal with deadtime<\/li><li>Floating Offset Voltage<\/li><\/ul><\/li><\/ul>\n\n\n\n<p>Power Mosfets:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>IRLZ44N<\/li><li>Power Dissipation: 110W<\/li><li>Rds_on = 0.022<\/li><li>VGS= 16V(i think this is 10V check with nic)<\/li><li>Peak Current Burst: 5A<\/li><\/ul>\n\n\n\n<p>Low Pass Filter:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Second Order LC Filter<\/li><li>Cuttoff Freqeuncy = 20kHz<\/li><li>200kHz switching frequency attenuated by 40dB<\/li><li>Plastic Film Conductors<\/li><li>Iron Core Inductors<\/li><\/ul>\n\n\n\n<p>Voltage Regulator<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>AC to DC Converter: VES120PS24<ul><li>Output Power: 120W<\/li><li>Output Voltage: 24VDC<\/li><li>Output Current: 5A<\/li><\/ul><\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>LM7805<ul><li>5V<\/li><li>Supplies Voltage to:<ul><li>LM386 (preamp)<\/li><li>TLC555 (Triangle Wave generator)<\/li><li>IR2113(Vdd of Gate Driver)<\/li><\/ul><\/li><\/ul><\/li><li>LM7812<ul><li>12V<\/li><li>Supplies Voltage to:<ul><li>IR2113 (Vcc and Vbs of Gate Driver)<\/li><\/ul><\/li><\/ul><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Audio Input: \u00bc inch input jack Preamp: LM386 Gain: 20VV Input Voltage: -0.4 V to +0.4V Supply Voltage: 5V THD: 0.2% Triangle Wave Generator: TLC555 Frequency: 200kHz Peak to Peak Voltage: 2.17V Supply Voltage: 5V Not perfect triangle but good enough for the project Comparator: LM393 Max input voltage: 1Vpk Supply Voltage: 5V 2 comparators in 1 IC package Pull [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/spacetripamplifier.sdsu.edu\/index.php?rest_route=\/wp\/v2\/pages\/9","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spacetripamplifier.sdsu.edu\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/spacetripamplifier.sdsu.edu\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/spacetripamplifier.sdsu.edu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spacetripamplifier.sdsu.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9"}],"version-history":[{"count":2,"href":"https:\/\/spacetripamplifier.sdsu.edu\/index.php?rest_route=\/wp\/v2\/pages\/9\/revisions"}],"predecessor-version":[{"id":76,"href":"https:\/\/spacetripamplifier.sdsu.edu\/index.php?rest_route=\/wp\/v2\/pages\/9\/revisions\/76"}],"wp:attachment":[{"href":"https:\/\/spacetripamplifier.sdsu.edu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}