{"id":154693,"date":"2023-08-07T11:13:33","date_gmt":"2023-08-07T05:43:33","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=154693"},"modified":"2023-08-07T11:13:35","modified_gmt":"2023-08-07T05:43:35","slug":"a-current-controlled-current-source-cccs-has-an-input-impedance-of-10-%cf%89-and-output-impedance-of-100-k%cf%89-when","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-current-controlled-current-source-cccs-has-an-input-impedance-of-10-%cf%89-and-output-impedance-of-100-k%cf%89-when\/","title":{"rendered":"A current controlled current source (CCCS) has an input impedance of 10 \u03a9 and output impedance of 100 k\u03a9. When"},"content":{"rendered":"\n<p>Q. A current controlled current source (CCCS) has an input impedance of 10 \u03a9 and output impedance of 100 k\u03a9. When this CCCS is used in a negative feedback closed loop with a loop gain of 9, the closed loop output impedance is<\/p>\n\n\n\n<p>(A) 10 \u03a9<\/p>\n\n\n\n<p>(B) 100 \u03a9<\/p>\n\n\n\n<p>(C) 100 k\u03a9<\/p>\n\n\n\n<p>(D) 1000 k\u03a9<\/p>\n\n\n\n<p>Ans: 1000 k\u03a9<\/p>\n\n\n\n<p>Solution:<\/p>\n\n\n\n<p>Input impedance = 10 \u03a9 <\/p>\n\n\n\n<p>Output impedance = 100 k\u03a9 <\/p>\n\n\n\n<p>loop again (A\u03b2) = 9 <\/p>\n\n\n\n<p>Closed loop impedance will be: <\/p>\n\n\n\n<p>Z<sub>out<\/sub> = Z<sub>o<\/sub>\u00a0[1 + A\u03b2] <\/p>\n\n\n\n<p>= 100 \u00d7 10<sup>3\u00a0<\/sup>[1 + 9] <\/p>\n\n\n\n<p>= 1000 k\u03a9<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q. A current controlled current source (CCCS) has an input impedance of 10 \u03a9 and output impedance of 100 k\u03a9. When this CCCS is used in a negative feedback closed loop with a loop gain of 9, the closed loop output impedance is (A) 10 \u03a9 (B) 100 \u03a9 (C) 100 k\u03a9 (D) 1000 k\u03a9 [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":154694,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5141],"tags":[5140],"offerexpiration":[],"class_list":["post-154693","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\/154693","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=154693"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/154693\/revisions"}],"predecessor-version":[{"id":154695,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/154693\/revisions\/154695"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/154694"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=154693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=154693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=154693"},{"taxonomy":"offerexpiration","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/offerexpiration?post=154693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}