{"id":28197,"date":"2026-01-12T09:01:36","date_gmt":"2026-01-12T00:01:36","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/01\/12\/28197\/"},"modified":"2026-01-12T09:01:36","modified_gmt":"2026-01-12T00:01:36","slug":"%ec%a0%84%ec%9e%90%ea%b3%b5%ed%95%99%ec%8b%a4%ed%97%98-20%ec%9e%a5-%ec%b0%a8%eb%8f%99-%ec%a6%9d%ed%8f%ad%ea%b8%b0-%ec%8b%ac%ed%99%94-%ec%8b%a4%ed%97%98-a-%ec%98%88%eb%b9%84%eb%b3%b4%ea%b3%a0%ec%84%9c","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/01\/12\/28197\/","title":{"rendered":"\uc804\uc790\uacf5\ud559\uc2e4\ud5d8 20\uc7a5 \ucc28\ub3d9 \uc99d\ud3ed\uae30 \uc2ec\ud654 \uc2e4\ud5d8 A+ \uc608\ube44\ubcf4\uace0\uc11c"},"content":{"rendered":"

<\/p>\n

\ubaa9\ucc28<\/strong><\/p>\n

1. \uc2e4\ud5d8 \uac1c\uc694
\n2. \uc2e4\ud5d8 \uae30\uc790\uc7ac \ubc0f \ubd80\ud488
\n3. \ubc30\uacbd \uc774\ub860
\n4. \uc2e4\ud5d8 \ud68c\ub85c
\n5. \uc2e4\ud5d8 \uc808\ucc28 \ubc0f \uc608\ube44 \uac12
\n6. \uc608\ube44 \ubcf4\uace0 \uc0ac\ud56d<\/p>\n

\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n

\uc2e4\ud5d8 \uac1c\uc694
\n-\ud2b8\ub79c\uc9c0\uc2a4\ud130\ub97c \uc774\uc6a9\ud55c \ub2a5\ub3d9 \ubd80\ud558\uc758 \uacbd\uc6b0 \uc800\ud56d \ubd80\ud558\uc5d0 \ube44\ud574 \uacf5\uc815\uc5d0 \ub300\ud55c \ubcc0\ud654\ub7c9\uc774 \uc801\uace0, \uc815\ud655\ud55c \uc800\ud56d\uc744 \uc704\ud55c \ucd94\uac00 \ube44\uc6a9\uc774 \ub4e4\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\ub2e4. \uc774 \uc2e4\ud5d8\uc5d0\uc11c\ub294 \ub2a5\ub3d9 \ubd80\ud558\ub97c \uc0ac\uc6a9\ud55c \ucc28\ub3d9 \uc99d\ud3ed\uae30(differential amplifier)\ub97c \uad6c\uc131\ud558\uc5ec, \uc804\uc555 \uc774\ub4dd\uacfc CMRR\uc744 \uce21\uc815\ud558\uace0\uc790 \ud55c\ub2e4.<\/p>\n

\uc2e4\ud5d8 \uae30\uc790\uc7ac \ubc0f \ubd80\ud488\u314a
\n-DC \ud30c\uc6cc \uc11c\ud50c\ub77c\uc774, \ub514\uc9c0\ud138 \uba40\ud2f0\ubbf8\ud130, \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504, \ud568\uc218 \ubc1c\uc0dd\uae30, 2n7000(NMOS)1\uac1c, \uc800\ud56d, \ucee4\ud328\uc2dc\ud130, FQP17P10(PMOS) 2\uac1c (\ub2e8, LTSpice \ubaa8\uc758\uc2e4\ud5d8\uc740 FDC6322CP \uc0ac\uc6a9)<\/p>\n

\ubc30\uacbd \uc774\ub860
\n\uacf5\ud1b5 \ubaa8\ub4dc \uc81c\uac70\ube44(CMRR)
\n[\uadf8\ub9bc 21-1)\uacfc \uac19\uc740 \uae30\ubcf8\uc801\uc778 \ucc28\ub3d9 \uc30d \uad6c\uc870\uc5d0\uc11c \uacf5\ud1b5 \ubaa8\ub4dc \uc804\uc555 \uc774\ub4dd\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud574 \ub450 \uc785\ub825\uc5d0 \uc744 \uc778\uac00\ud558\uace0, \ucd9c\ub825 \uc2e0\ud638\ub97c \uacc4\uc0b0\ud55c\ub2e4. \uc774\ub54c \uaf2c\ub9ac \uc804\ub958 \uc6d0 \uc758 \ucd9c\ub825 \uc800\ud56d \ub97c \uac00\uc815\ud558\uace0 \uacc4\uc0b0\ud55c\ub2e4.
\n[\uadf8\ub9bc 21-2] \ub294 \uacf5\ud1b5 \ubaa8\ub4dc \uc804\uc555 \uc774\ub4dd\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud55c \uacf5\ud1b5 \ubaa8\ub4dc \ubc18\ud68c\ub85c\uc774\ub2e4. \uc774 \uc18c\uc2e0\ud638\ub77c\ub294 \uac00\uc815 \ud558\uc5d0\uc11c, DC \uc804\uc555\uc6d0 \ub294 0\ub85c \ubd99\uc774\uace0 \uaf2c\ub9ac \uc804\ub958 \uc6d0\uc758 \ucd9c\ub825 \uc800\ud56d\uc740 \ubc18\ud68c\ub85c \uc591\ucabd\uc5d0 2\ub9cc\ud07c\uc758 \uc800\ud56d\uc73c\ub85c \ubd84\ubc30\ud574\uc8fc\uba74 \ub41c\ub2e4.<\/p>\n

<\uc774\ud558 \uc378\ub124\uc77c\uc744 \ucc38\uc870\ud574\uc8fc\uc138\uc694><\/p>\n

\ucd9c\ucc98 : \ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\ubaa9\ucc28 1. \uc2e4\ud5d8 \uac1c\uc694 2. \uc2e4\ud5d8 \uae30\uc790\uc7ac \ubc0f \ubd80\ud488 3. \ubc30\uacbd \uc774\ub860 4. \uc2e4\ud5d8 \ud68c\ub85c 5. \uc2e4\ud5d8 \uc808\ucc28 \ubc0f \uc608\ube44 \uac12 6. \uc608\ube44 \ubcf4\uace0 \uc0ac\ud56d \ubcf8\ubb38\ub0b4\uc6a9 \uc2e4\ud5d8 \uac1c\uc694 -\ud2b8\ub79c\uc9c0\uc2a4\ud130\ub97c \uc774\uc6a9\ud55c \ub2a5\ub3d9 \ubd80\ud558\uc758 \uacbd\uc6b0 \uc800\ud56d \ubd80\ud558\uc5d0 \ube44\ud574 \uacf5\uc815\uc5d0 \ub300\ud55c \ubcc0\ud654\ub7c9\uc774 \uc801\uace0, \uc815\ud655\ud55c \uc800\ud56d\uc744 \uc704\ud55c \ucd94\uac00 \ube44\uc6a9\uc774 \ub4e4\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\ub2e4. \uc774 \uc2e4\ud5d8\uc5d0\uc11c\ub294 \ub2a5\ub3d9 \ubd80\ud558\ub97c \uc0ac\uc6a9\ud55c \ucc28\ub3d9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[5243,30456,15721,32931,5650,35235,33044],"class_list":["post-28197","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-ce--","tag-30456","tag-15721","tag-32931","tag-5650","tag-35235","tag-33044"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/28197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=28197"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/28197\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=28197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=28197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=28197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}