{"id":12041,"date":"2025-08-04T09:00:13","date_gmt":"2025-08-04T00:00:13","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/08\/04\/12041\/"},"modified":"2025-08-04T09:00:13","modified_gmt":"2025-08-04T00:00:13","slug":"a-%ec%a0%95%eb%b3%b4%ed%86%b5%ec%8b%a0%ec%8b%a4%ed%97%98-4%ec%a3%bc%ec%b0%a8-%ec%98%88%eb%b9%84%eb%b3%b4%ea%b3%a0%ec%84%9c-op-amp-%ec%97%b0%ec%82%b0-%ec%a6%9d%ed%8f%ad-%ed%9a%8c%eb%a1%9c","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/08\/04\/12041\/","title":{"rendered":"A+ \uc815\ubcf4\ud1b5\uc2e0\uc2e4\ud5d8 4\uc8fc\ucc28 \uc608\ube44\ubcf4\uace0\uc11c – OP-AMP \uc5f0\uc0b0 \uc99d\ud3ed \ud68c\ub85c"},"content":{"rendered":"

<\/p>\n

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

1. \uc2e4\ud5d8\uc774\ub860
\n2. \uc608\ube44\uc2e4\ud5d8
\n3. \uc608\ube44\ubcf4\uace0\uc11c \uacb0\uacfc<\/p>\n

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

\uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub780?
\n\uf071 \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uc785\/\ucd9c\ub825 \ub2e8\uc790
\n\u26ab \ubc18\uc804(Inverting) \uc785\ub825\ub2e8\uc790 : \uc785\ub825\uc2e0\ud638\uc640 \ucd9c\ub825\uc2e0\ud638\uac00 \ubc18\uc804 \uc704\uc0c1(180\ub3c4 \uc704\uc0c1 \ucc28)
\n\u26ab \ube44\ubc18\uc804(noninverting) \uc785\ub825\ub2e8\uc790 : \uc785\ub825\uc2e0\ud638\uc640 \ucd9c\ub825\uc2e0\ud638\uac00 \ub3d9\uc77c \uc704\uc0c1\uc744 \uac00\uc9d0
\n\u26ab \ucd9c\ub825\ub2e8\uc790 : \ucd9c\ub825\uc2e0\ud638\uac00 \ub098\uc624\ub294 \ub2e8\uc790
\n\u26ab \uc804\uc6d0\ub2e8\uc790 : +\uc804\uc6d0\uacfc \u2013\uc804\uc6d0\uc774 \uc778\uac00\ub418\ub294 \ub2e8\uc790
\n\u26ab \uc624\ud504\uc14b \uc81c\uac70(offset nulling)\ub2e8\uc790\uc640 \uc8fc\ud30c\uc218 \ubcf4\uc0c1\uc744 \uc704\ud55c \ub2e8\uc790.<\/p>\n

\uf071 \uc5f0\uc0b0 \uc99d\ud3ed\uae30 \uae30\ub2a5
\n\u25cf \ub450 \uc785\ub825\ub2e8\uc790\uc5d0 \uc778\uac00\ub41c \uc2e0\ud638\uc758 \ucc28\ub97c \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uc790\uccb4 \uc774\ub4dd\ub9cc\ud07c \uc99d\ud3ed\ud55c \ud6c4 \ub2e8\uc77c \uc2e0\ud638\ub85c \ucd9c\ub825<\/p>\n

= \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uac1c\ubc29\ub8e8\ud504 \uc774\ub4dd<\/p>\n

\uf071 \uc774\uc0c1\uc801\uc778 \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \ud2b9\uc131
\n\u26ab \uac1c\ubc29\ub8e8\ud504 \uc774\ub4dd\uacfc \uc785\ub825\uc800\ud56d : \ubb34\ud55c\ub300(\ub9e4\uc6b0 \ud070 \uac12)
\n\u26ab \uc785\ub825 \ubc14\uc774\uc5b4\uc2a4 \uc804\ub958\uc640 \ucd9c\ub825\uc800\ud56d : 0(\ub9e4\uc6b0 \uc791\uc740 \uac12)
\n\u26ab \uacf5\ud1b5 \ubaa8\ub4dc \uc81c\uac70\ube44 : \ubb34\ud55c\ub300(\ub9e4\uc6b0 \ud070 \uac12)<\/p>\n

\ud30c\ub77c\ubbf8\ud130
\n\uc774\uc0c1\uc801\uc778 \uacbd\uc6b0
\n\uac1c\ubc29 \ub8e8\ud504 \uc774\ub4dd
\n\u221e
\n\uc785\ub825 \uc800\ud56d
\n\u221e
\n\uc785\ub825 \ubc14\uc774\uc5b4\uc2a4 \uc804\ub958
\n0
\n\ucd9c\ub825 \uc800\ud56d
\n0
\n\uacf5\ud1b5\ubaa8\ub4dc \uc81c\uac70\ube44
\n\u221e
\n\ub2e8\uc704\uc774\ub4dd \ub300\uc5ed\ud3ed
\n\u221e<\/p>\n

1. \uac00\uc0c1\ub2e8\ub77d(virtual short) : \ub450 \uc785\ub825\ub2e8\uc790 \uc0ac\uc774\uc758 \uc804\uc555\uc774 0\uc5d0 \uac00\uae4c\uc6cc \ub450 \ub2e8\uc790\uac00 \ub2e8\ub77d\ub41c \uac83\ucc98\ub7fc \ubcf4\uc774\uc9c0\ub9cc \ub450 \ub2e8\uc790 \uc0ac\uc774\uc758 \uc804\ub958\uac00 0\uc778 \ud2b9\uc131<\/p>\n

2. \uac00\uc7a5\uc811\uc9c0(virtual ground) : \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \ube44\ubc18\uc804 \ub2e8\uc790\ub97c \uc811\uc9c0 \uc2dc\ud0a4\uace0 \ubc18\uc804 \ub2e8\uc790\uc5d0 \ubd80\uadc0\ud658\uc744 \uac78\uba74, \uc5f0\uc0b0 \uc99d\ud3ed\uae30 \uc785\ub825\ub2e8\uc790 \uc0ac\uc774\uc758 \uac00\uc0c1\ub2e8\ub77d \ud604\uc0c1\uc5d0 \uc758\ud574 \ubc18\uc804 \ub2e8\uc790\uac00 \uc811\uc9c0\ub41c \uac83\ucc98\ub7fc \ubcf4\uc774\ub294 \ud2b9\uc131<\/p>\n

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

\ubaa9\ucc28 1. \uc2e4\ud5d8\uc774\ub860 2. \uc608\ube44\uc2e4\ud5d8 3. \uc608\ube44\ubcf4\uace0\uc11c \uacb0\uacfc \ubcf8\ubb38\ub0b4\uc6a9 \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub780? \uf071 \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uc785\/\ucd9c\ub825 \ub2e8\uc790 \u26ab \ubc18\uc804(Inverting) \uc785\ub825\ub2e8\uc790 : \uc785\ub825\uc2e0\ud638\uc640 \ucd9c\ub825\uc2e0\ud638\uac00 \ubc18\uc804 \uc704\uc0c1(180\ub3c4 \uc704\uc0c1 \ucc28) \u26ab \ube44\ubc18\uc804(noninverting) \uc785\ub825\ub2e8\uc790 : \uc785\ub825\uc2e0\ud638\uc640 \ucd9c\ub825\uc2e0\ud638\uac00 \ub3d9\uc77c \uc704\uc0c1\uc744 \uac00\uc9d0 \u26ab \ucd9c\ub825\ub2e8\uc790 : \ucd9c\ub825\uc2e0\ud638\uac00 \ub098\uc624\ub294 \ub2e8\uc790 \u26ab \uc804\uc6d0\ub2e8\uc790 : +\uc804\uc6d0\uacfc \u2013\uc804\uc6d0\uc774 \uc778\uac00\ub418\ub294 \ub2e8\uc790 \u26ab \uc624\ud504\uc14b \uc81c\uac70(offset nulling)\ub2e8\uc790\uc640 \uc8fc\ud30c\uc218 \ubcf4\uc0c1\uc744 \uc704\ud55c […]<\/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":[9301,17416,7228,17414,17412,15393],"class_list":["post-12041","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-__aa","tag-17416","tag-7228","tag-17414","tag-17412","tag-15393"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/12041","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=12041"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/12041\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=12041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=12041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=12041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}