{"id":154510,"date":"2023-08-05T11:06:48","date_gmt":"2023-08-05T05:36:48","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=154510"},"modified":"2023-08-05T11:06:50","modified_gmt":"2023-08-05T05:36:50","slug":"a-standard-cmos-inverter-is-designed-with-equal-rise-and-fall-times-%ce%b2%f0%9d%91%9b-%ce%b2p-if-the-width-of-the-pmos-transistor-in-the-inverter-is-increased","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-standard-cmos-inverter-is-designed-with-equal-rise-and-fall-times-%ce%b2%f0%9d%91%9b-%ce%b2p-if-the-width-of-the-pmos-transistor-in-the-inverter-is-increased\/","title":{"rendered":"A standard CMOS inverter is designed with equal rise and fall times (\u03b2\ud835\udc5b = \u03b2p). If the width of the pMOS transistor in the inverter is increased"},"content":{"rendered":"\n<p>Q. A standard CMOS inverter is designed with equal rise and fall times (\u03b2<sub>\ud835\udc5b<\/sub> = \u03b2<sub>p<\/sub>). If the width of the pMOS transistor in the inverter is increased, what would be the effect on the <em>LOW <\/em>noise margin (\ud835\udc41\ud835\udc40<sub>\ud835\udc3f<\/sub>) and the <em>HIGH <\/em>noise margin \ud835\udc41\ud835\udc40<sub>\ud835\udc3b<\/sub>?<\/p>\n\n\n\n<p>A. \ud835\udc41\ud835\udc40<sub>\ud835\udc3f<\/sub> increases and \ud835\udc41\ud835\udc40<sub>\ud835\udc3b<\/sub> decreases.<\/p>\n\n\n\n<p>B. \ud835\udc41\ud835\udc40<sub>\ud835\udc3f<\/sub> decreases and \ud835\udc41\ud835\udc40<sub>\ud835\udc3b<\/sub> increases.<\/p>\n\n\n\n<p>C. Both \ud835\udc41\ud835\udc40<sub>\ud835\udc3f<\/sub> and \ud835\udc41\ud835\udc40<sub>\ud835\udc3b<\/sub> increase.<\/p>\n\n\n\n<p>D. No change in the noise margins.<\/p>\n\n\n\n<p>Ans: NML increases and NMH decreases<\/p>\n\n\n\n<p>Solution: <\/p>\n\n\n\n<p>The behavior of the CMOS inverter for static conditions of operation is described by the voltage transfer characteristics (VTC) and for dynamic operation, the condition is described by the time response during switching conditions. VOH = VDD<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/Screenshot-520.png\" alt=\"\" class=\"wp-image-154511\" width=\"401\" height=\"251\" srcset=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/Screenshot-520.png 472w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/Screenshot-520-300x188.png 300w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Q. A standard CMOS inverter is designed with equal rise and fall times (\u03b2\ud835\udc5b = \u03b2p). If the width of the pMOS transistor in the inverter is increased, what would be the effect on the LOW noise margin (\ud835\udc41\ud835\udc40\ud835\udc3f) and the HIGH noise margin \ud835\udc41\ud835\udc40\ud835\udc3b? A. \ud835\udc41\ud835\udc40\ud835\udc3f increases and \ud835\udc41\ud835\udc40\ud835\udc3b decreases. B. \ud835\udc41\ud835\udc40\ud835\udc3f decreases and [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":154512,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5141],"tags":[5140],"class_list":["post-154510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/154510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=154510"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/154510\/revisions"}],"predecessor-version":[{"id":154513,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/154510\/revisions\/154513"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/154512"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=154510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=154510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=154510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}