{"id":3048,"date":"2024-08-26T11:32:31","date_gmt":"2024-08-26T11:32:31","guid":{"rendered":"https:\/\/workhouse.sweetdishy.com\/?p=3048"},"modified":"2024-08-26T11:32:32","modified_gmt":"2024-08-26T11:32:32","slug":"using-identical-components","status":"publish","type":"post","link":"https:\/\/workhouse.sweetdishy.com\/index.php\/2024\/08\/26\/using-identical-components\/","title":{"rendered":"Using Identical Components"},"content":{"rendered":"\n<p id=\"P0960\">It is simpler sometimes to use equal components, but it is necessary to adhere to the particular pass-band gain on the normalized tables. In many applications this method should be considered first.<a><\/a><\/p>\n\n\n\n<p id=\"P0970\">Select a cut-off frequency value and then choose a common value for&nbsp;<em>C<\/em>=<em>C<\/em><sub>1<\/sub>=<em>C<\/em><sub>2<\/sub>\u2014some value less than 1&nbsp;mF, say. Since&nbsp;<em>R<\/em>=<em>R<\/em><sub>1<\/sub>=<em>R<\/em><sub>2<\/sub>,&nbsp;<em>R<\/em>&nbsp;can now be calculated as follows:<\/p>\n\n\n\n<p id=\"EQN17\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/learning.oreilly.com\/api\/v2\/epubs\/urn:orm:book:9781856175289\/files\/images\/F000172si46.png\" alt=\"image\" width=\"63\" height=\"34\"><strong>(17.17)<\/strong><\/p>\n\n\n\n<p id=\"P0980\">Note also that the pass-band gain has to be 1.585, this being obtained from the normalized tables.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"S0330tit\">Example 17.6<\/h5>\n\n\n\n<p id=\"P0990\">It is required to design a second-order low-pass filter with a cut-off frequency of 3&nbsp;kHz.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"S0340tit\">Solution<\/h5>\n\n\n\n<p id=\"P1000\">Let&nbsp;<em>C<\/em><sub>1<\/sub>=<em>C<\/em><sub>2<\/sub>=0.047&nbsp;\u03bcF. Hence,<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/learning.oreilly.com\/api\/v2\/epubs\/urn:orm:book:9781856175289\/files\/images\/F000172si47.png\" alt=\"image\"\/><\/figure>\n\n\n\n<p id=\"P1010\">Selecting the gain setting resistors is once again achieved by using the fact that these have to satisfy the equation:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/learning.oreilly.com\/api\/v2\/epubs\/urn:orm:book:9781856175289\/files\/images\/F000172si48.png\" alt=\"image\"\/><\/figure>\n\n\n\n<p id=\"P1020\">Hence,&nbsp;<em>R<\/em><sub>a<\/sub>=0.586&nbsp;<em>R<\/em><sub>b<\/sub>&nbsp;and several combinations are possible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It is simpler sometimes to use equal components, but it is necessary to adhere to the particular pass-band gain on the normalized tables. In many applications this method should be considered first. Select a cut-off frequency value and then choose a common value for&nbsp;C=C1=C2\u2014some value less than 1&nbsp;mF, say. Since&nbsp;R=R1=R2,&nbsp;R&nbsp;can now be calculated as follows: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3032,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[422],"tags":[],"class_list":["post-3048","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-filter-design"],"jetpack_featured_media_url":"https:\/\/workhouse.sweetdishy.com\/wp-content\/uploads\/2024\/08\/picture.png","_links":{"self":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/3048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/comments?post=3048"}],"version-history":[{"count":1,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/3048\/revisions"}],"predecessor-version":[{"id":3049,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/posts\/3048\/revisions\/3049"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/media\/3032"}],"wp:attachment":[{"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/media?parent=3048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/categories?post=3048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/workhouse.sweetdishy.com\/index.php\/wp-json\/wp\/v2\/tags?post=3048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}