{"id":185381,"date":"2026-08-11T09:49:56","date_gmt":"2026-08-11T01:49:56","guid":{"rendered":"https:\/\/ocw.nycu.edu.tw\/?post_type=course_page&#038;p=185381"},"modified":"2026-08-11T09:52:27","modified_gmt":"2026-08-11T01:52:27","slug":"el-4-20240425-en","status":"publish","type":"course_page","link":"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-science\/department-of-electrophysics\/electronics-iv-112-en\/el-4-20240425-en","title":{"rendered":"10.4.1 OP741 AC amplification  10.4.2 Input stage of OP7412"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"185381\" class=\"elementor elementor-185381\">\n\t\t\t\t\t\t\t\t\t<section class=\"penci-section penci-disSticky penci-structure-10 elementor-section elementor-top-section elementor-element elementor-element-16700d17 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"16700d17\" data-element_type=\"section\">\n\t\t\t\t\t\t<div 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.elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">10.4.1 OP741 AC amplification \n10.4.2 Input stage of OP7412<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7aec5b11 elementor-widget elementor-widget-video\" data-id=\"7aec5b11\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/y51u8kCFlos&quot;,&quot;modestbranding&quot;:&quot;yes&quot;,&quot;lazy_load&quot;:&quot;yes&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.13.3 - 28-05-2023 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper 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100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width,100%);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da19150 elementor-widget elementor-widget-shortcode\" data-id=\"da19150\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-636\" class=\"tablepress tablepress-id-636\">\n<thead>\n<tr class=\"row-1 odd\">\n\t<th class=\"column-1\">Week<\/th><th class=\"column-2\">Course Content<\/th><th class=\"column-3\">Course Video<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-hover\">\n<tr class=\"row-2 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">Chapter 9 Amplifier Frequency Response <br \/>\n9.1.1 Basic RC circuit <br \/>\n9.1.2 Low-F response of a MOS CS amplifier <br \/>\n9.1.3 Low-F response of a BJT CE amplifier <br \/>\n9.1.4 Dominant pole <br \/>\n9.1.5 A two-stage MOS OP <br \/>\n9.1.6 Internal capacitance of a CS amplifier with PMOS load <\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185280\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-3 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">9.2.1 F-response of a CS amplifier <br \/>\n9.2.2 Poles and zeros <br \/>\n9.2.3 Miller effect <br \/>\n9.2.4 F-response of a CD amplifier <br \/>\n9.2.5 F-response of a MOS cascade <\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185346\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-4 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">9.3.1 F-response of two-stage MOS OP<br \/>\n9.3.2 F-response of MOS OP with a voltage follower <br \/>\n9.3.3 F-response of MOS cascode <br \/>\n9.3.4 F-response of BJT differential amplifier <br \/>\n9.3.5 F-response of MOS differential amplifier<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185353\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-5 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">9.4.1 Capacitance of differential amplifier with current-mirror load <br \/>\n9.4 2 F-response of MOS differential amplifier with current mirror <br \/>\n9.4.3 F-response of MOS two-stage OP<br \/>\n9.4.4 Condition for oscillation <br \/>\n9.4.5 Phase margin <br \/>\n9.4.6 Frequency compensation <\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185359\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-6 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">9.5.1 Stability of a feedback OP<br \/>\n9.5.2 Design for a phase margin of 45\u00b0<br \/>\n9.5.3 Design a stable MOS OP with a phase margin of 45\u00b0<br \/>\n<br \/>\nChapter 10 High-Power Output Stage <br \/>\n10.1.1 CE stage <br \/>\n10.1.2 CE in serial with CC<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185366\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-7 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">10.2.1 CE in serial with CC high-power output stage <br \/>\n10.2.2 Class B output stage <br \/>\n10.2.3 Class AB output stage <br \/>\n10.2.4 VBE multiplier <br \/>\n10.2.5 Current-limiting circuit <br \/>\n10.2.6 Two-stage BJT OP with class AB output stage<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185371\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-8 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">10.3.1 LM 380 Audio amplifier <br \/>\n10.3.2 LM78LXX High-power DC source <br \/>\n10.3.3 OP741 OP DC biasing<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185376\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-9 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">10.4.1 OP741 AC amplification <br \/>\n10.4.2 Input stage of OP7412<\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185381\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-10 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">10.5.1 Class D output stage <br \/>\n10.5.2 Pulse With Modulation (PWM) <br \/>\n10.5.3 Schmitt Trigger <br \/>\n10.5.4 COMS inverter <br \/>\n10.5.5 LCR low-pass filter <\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185386\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-11 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">10.6.1 Transient solution of class D output stage <br \/>\n10.6.2 Steady-state solution of class D output stage <br \/>\n10.6.3 The Class D output stage circuit <\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185392\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-12 even\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">10.7.1 Transient current waveform of class D output stage <br \/>\n10.7.2 Transient solution of the LCR stage <br \/>\n10.7.3 Another PWM generation <br \/>\n10.7.4 Stability of class D output stage <br \/>\n10.7.5 Complementary output to cancel the DC voltage <\/td><td class=\"column-3\"><a href=\"\/?post_type=course_page&amp;p=185397\">Watch Online<\/a><\/td>\n<\/tr>\n<tr class=\"row-13 odd\">\n\t<td class=\"column-1\"><\/td><td class=\"column-2\">10.8.1 High-power laser driver using PWM <br \/>\n10.8.2 A dead-time delay 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class=\"elementor-item\" tabindex=\"-1\">College of Biomedical Science and Engineering<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-132738\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/college-of-life-sciences-en\" class=\"elementor-item\" tabindex=\"-1\">College of Life Sciences<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-141797\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/colege-of-medicine-en\" class=\"elementor-item\" tabindex=\"-1\">College of Medicine<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-118072\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/course-of-chinese-center\" class=\"elementor-item\" tabindex=\"-1\">Course of Chinese Center<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-120431\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/liberal-arts-college\" class=\"elementor-item\" tabindex=\"-1\">Forum Of Liberal Arts<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-123746\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/speech-of-general-education-center\" class=\"elementor-item\" tabindex=\"-1\">Contemporary Civilization<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-128240\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/reading-of-classic-masterpiece\" class=\"elementor-item\" tabindex=\"-1\">Reading of Classic Masterpiece<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-course_page ajax-mega-menu menu-item-123745\"><a href=\"https:\/\/ocw.nycu.edu.tw\/?course_page=all-course-2\/course-of-general-education-center-2\" class=\"elementor-item\" tabindex=\"-1\">Course of General Education Center<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>10.4.1 OP741 A&hellip;<\/p>\n","protected":false},"featured_media":0,"parent":185252,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"categories":[11325],"tags":[],"class_list":["post-185381","course_page","type-course_page","status-publish","format-standard","hentry","category-electronics-iv-112-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>10.4.1 OP741 AC amplification 10.4.2 Input stage of OP7412 - NYCU OCW<\/title>\n<meta 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