{"id":146830,"date":"2024-04-27T12:47:32","date_gmt":"2024-04-27T12:47:32","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%9a%b4%ec%9a%a9-%ec%a6%9d%ed%8f%ad%ea%b8%b0-%ec%98%a4%ed%94%84%ec%95%b0%ed%94%84\/"},"modified":"2024-04-27T12:47:40","modified_gmt":"2024-04-27T12:47:40","slug":"%ec%9a%b4%ec%9a%a9-%ec%a6%9d%ed%8f%ad%ea%b8%b0-%ec%98%a4%ed%94%84%ec%95%b0%ed%94%84","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9a%b4%ec%9a%a9-%ec%a6%9d%ed%8f%ad%ea%b8%b0-%ec%98%a4%ed%94%84%ec%95%b0%ed%94%84\/","title":{"rendered":"\uc6b4\uc6a9 \uc99d\ud3ed\uae30 (\uc624\ud504\uc570\ud504)"},"content":{"rendered":"<p class=\"sidekick\">\uc774 \uae30\uc0ac\ub294 \uc804\uc790 \ud68c\ub85c\uc758 \ud575\uc2ec \ubd80\ud488\uc778 \uc624\ud504\uc570\ud504\uc758 \uae30\ub2a5, \ud2b9\uc131 \ubc0f \ub2e4\uc591\ud55c \uc751\uc6a9 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc6b4\uc6a9-\uc99d\ud3ed\uae30-(\uc624\ud504\uc570\ud504).png\" alt=\"\uc6b4\uc6a9 \uc99d\ud3ed\uae30 (\uc624\ud504\uc570\ud504)\"\/><\/p>\n<h2>\uc6b4\uc6a9 \uc99d\ud3ed\uae30(\uc624\ud504\uc570\ud504)\ub780?<\/h2>\n<p>\uc6b4\uc6a9 \uc99d\ud3ed\uae30 \ud639\uc740 \uc624\ud504\uc570\ud504(Op-Amp, Operational Amplifier)\ub294 \uc804\uc790\ud68c\ub85c\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uad6c\uc131\uc694\uc18c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc774 \uc18c\uc790\uc758 \uae30\ub2a5\uc740 \uc791\uc740 \uc804\uc555\uc744 \uac80\ucd9c\ud558\uc5ec \ud06c\uac8c \uc99d\ud3ed\uc2dc\ud0a4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc624\ud504\uc570\ud504\ub294 \ub2e4\uc591\ud55c \uc804\uc790 \uae30\uae30\uc5d0\uc11c \uc2e0\ud638 \ucc98\ub9ac, \ud544\ud130, \uc624\ub514\uc624 \uc99d\ud3ed\uae30, \uc758\ub8cc \uae30\uae30\uae4c\uc9c0 \ud3ed\ub113\uac8c \uc0ac\uc6a9\ub418\uba70, \ud604\ub300 \uc804\uc790 \uacf5\ud559\uc758 \ud544\uc218\uc801\uc778 \ubd80\ubd84\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc624\ud504\uc570\ud504\uc758 \uae30\ubcf8\uc801\uc778 \ud2b9\uc131<\/h2>\n<ul>\n<li><strong>\uc785\ub825 \uc784\ud53c\ub358\uc2a4: <\/strong>\uc624\ud504\uc570\ud504\uc758 \uc785\ub825 \uc784\ud53c\ub358\uc2a4\ub294 \uc544\uc8fc \ub192\uc2b5\ub2c8\ub2e4(\uba54\uac00\uc634\uc5d0\uc11c \uae30\uac00\uc634 \ubc94\uc704). \uc989, \ud68c\ub85c\uc5d0 \ubbf8\uce58\ub294 \ubd80\ud558\uac00 \uac70\uc758 \uc5c6\uc5b4, \uc6d0\ub798\uc758 \uc2e0\ud638\ub97c \uac70\uc758 \ubcc0\ud615\uc2dc\ud0a4\uc9c0 \uc54a\uace0 \uc99d\ud3ed\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ucd9c\ub825 \uc784\ud53c\ub358\uc2a4: <\/strong>\ubc18\uba74\uc5d0, \ucd9c\ub825 \uc784\ud53c\ub358\uc2a4\ub294 \ub0ae\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc99d\ud3ed\ub41c \uc2e0\ud638\uac00 \ub2e4\ub978 \ud68c\ub85c \ubd80\ubd84\uc5d0 \uc798 \uc804\ub2ec\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc774\ub4dd: <\/strong>\uc624\ud504\uc570\ud504\uc758 \uc774\ub4dd\uc740 \ub9e4\uc6b0 \ub192\uc544(10<sup>5<\/sup> \ub610\ub294 \uadf8 \uc774\uc0c1), \uc785\ub825 \uc804\uc555\uc758 \uc791\uc740 \ubcc0\ud654\ub3c4 \ud070 \ucd9c\ub825 \uc804\uc555 \ubcc0\ud654\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<li><strong>\uc8fc\ud30c\uc218 \uc751\ub2f5: <\/strong>\ub300\ubd80\ubd84\uc758 \uc624\ud504\uc570\ud504\ub294 \ub113\uc740 \uc8fc\ud30c\uc218 \ubc94\uc704\uc5d0\uc11c \uc548\uc815\uc801\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uacf5\ud1b5 \ubaa8\ub4dc \uc5b5\uc81c \ube44(\uacf5\ubaa8\uc5b5\ube44, CMRR): <\/strong>\uc774\ub294 \uc624\ud504\uc570\ud504\uac00 \ucc28\ub3d9 \uc2e0\ud638(\ub450 \uc785\ub825 \uac04\uc758 \ucc28\uc774)\ub294 \uc99d\ud3ed\ud558\uace0, \uacf5\ud1b5 \ubaa8\ub4dc \uc2e0\ud638(\ub450 \uc785\ub825\uc774 \uacf5\ud1b5\uc801\uc73c\ub85c \uac00\uc9c0\ub294 \uc2e0\ud638)\ub294 \uc5b5\uc81c\ud558\ub294 \ub2a5\ub825\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc624\ud504\uc570\ud504\uc758 \uae30\ubcf8\uc801\uc778 \uc5f0\uacb0 \ubc29\ubc95<\/h2>\n<ol>\n<li><strong>\uc5ed\uc804 \uc99d\ud3ed\uae30 (Inverting Amplifier): <\/strong>\uc5ed\uc804 \uc99d\ud3ed\uae30\ub294 \uc785\ub825 \uc2e0\ud638\uc758 \uadf9\uc131\uc744 \ubc18\ub300\ub85c \ud574\uc11c \uc99d\ud3ed\ud569\ub2c8\ub2e4. \uc989, \uc591\uc758 \uc785\ub825 \uc2e0\ud638\ub294 \uc74c\uc758 \ucd9c\ub825\uc73c\ub85c, \uc74c\uc758 \uc785\ub825 \uc2e0\ud638\ub294 \uc591\uc758 \ucd9c\ub825\uc73c\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ube44\uc5ed\uc804 \uc99d\ud3ed\uae30 (Non-Inverting Amplifier): <\/strong>\ube44\uc5ed\uc804 \uc99d\ud3ed\uae30\ub294 \uc785\ub825 \uc2e0\ud638\uc758 \uadf9\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc2e0\ud638\ub97c \uc99d\ud3ed\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \uc785\ub825\uc774 \uc591\uc218\uba74 \ucd9c\ub825\ub3c4 \uc591\uc218, \uc785\ub825\uc774 \uc74c\uc218\uba74 \ucd9c\ub825\ub3c4 \uc74c\uc218\uac00 \ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\uc555 \ud314\ub85c\uc6cc (Voltage Follower): <\/strong>\uc804\uc555 \ud314\ub85c\uc6cc\ub294 \uc785\ub825 \uc804\uc555\uc744 \uadf8\ub300\ub85c \ucd9c\ub825\ud558\ub294 \ubc84\ud37c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \ud68c\ub85c\ub294 \uc785\ub825\uacfc \ucd9c\ub825 \uc0ac\uc774\uc758 \uc784\ud53c\ub358\uc2a4 \ubd84\ub9ac\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ucc28\ub3d9 \uc99d\ud3ed\uae30 (Differential Amplifier): <\/strong>\ub450 \uc785\ub825 \uc0ac\uc774\uc758 \uc804\uc555 \ucc28\uc774\ub9cc\uc744 \uc99d\ud3ed\ud569\ub2c8\ub2e4. \uc774\ub294 \uc7a1\uc74c \uc81c\uac70\uc640 \uc2e0\ud638\uc758 \uc815\ud655\ud55c \uce21\uc815\uc5d0 \uc790\uc8fc \uc774\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774\uc640 \uac19\uc774 \uc624\ud504\uc570\ud504\ub294 \uadf8 \uc0ac\uc6a9 \ubc29\ubc95\uacfc \ud68c\ub85c\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \uc815\ubc00\ud55c \uc2e0\ud638 \ucc98\ub9ac\uac00 \uac00\ub2a5\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<h2>\uc624\ud504\uc570\ud504\uc758 \uc751\uc6a9<\/h2>\n<p>\uc624\ud504\uc570\ud504\ub294 \uc544\ub0a0\ub85c\uadf8 \uc2e0\ud638 \ucc98\ub9ac\ubfd0\ub9cc \uc544\ub2c8\ub77c \ub514\uc9c0\ud138 \ud68c\ub85c\uc5d0\uc11c\ub3c4 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc544\ub0a0\ub85c\uadf8-\ub514\uc9c0\ud138 \ubcc0\ud658\uae30(ADC) \ub610\ub294 \ub514\uc9c0\ud138-\uc544\ub0a0\ub85c\uadf8 \ubcc0\ud658\uae30(DAC)\uc640 \uac19\uc740 \ub370\uc774\ud130 \ubcc0\ud658 \uc7a5\uce58\uc5d0\uc11c \ud544\uc218\uc801\uc778 \ubd80\ud488\uc785\ub2c8\ub2e4. \ub610\ud55c, \uc18c\ub9ac \uc99d\ud3ed, \uc5f0\uc0b0 \ud68c\ub85c, \ud544\ud130 \uc124\uacc4 \ub4f1 \uad11\ubc94\uc704\ud55c \uc804\uc790 \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc624\ud504\uc570\ud504\ub294 \uc815\ubc00\ud55c \uacf5\ud559\uc801\uc778 \uc801\uc6a9\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294, \ud604\ub300 \uc804\uc790\uacf5\ud559\uc758 \uae30\ub465\uc774\ub77c\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uae00\uc744 \ud1b5\ud574 \uc6b4\uc6a9 \uc99d\ud3ed\uae30\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc \uc8fc\uc694 \ud2b9\uc131, \uc0ac\uc6a9 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc774\ud574\ud560 \uc218 \uc788\uc5c8\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \uc624\ud504\uc570\ud504\ub294 \ubcf5\uc7a1\ud55c \uc804\uc790 \uc7a5\uce58\uc758 \ud575\uc2ec\uc774\uc9c0\ub9cc, \uadf8 \uad6c\uc870\uc640 \uc6d0\ub9ac\ub97c \uc774\ud574\ud55c\ub2e4\uba74 \ub2e4\uc591\ud55c \uc804\uc790 \ud68c\ub85c \uc124\uacc4\uc5d0 \uc751\uc6a9\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc784\uc744 \uae68\ub2ec\uc744 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. \uc804\uc790\uacf5\ud559\uc5d0 \ub300\ud55c \uc5ec\ub7ec\ubd84\uc758 \uad00\uc2ec\uacfc \ud0d0\uad6c\uac00 \uacc4\uc18d \uc774\uc5b4\uc9c0\uae38 \ubc14\ub78d\ub2c8\ub2e4!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \uae30\uc0ac\ub294 \uc804\uc790 \ud68c\ub85c\uc758 \ud575\uc2ec \ubd80\ud488\uc778 \uc624\ud504\uc570\ud504\uc758 \uae30\ub2a5, \ud2b9\uc131 \ubc0f \ub2e4\uc591\ud55c \uc751\uc6a9 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":171350,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-146830","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uc6b4\uc6a9 \uc99d\ud3ed\uae30 (\uc624\ud504\uc570\ud504) | 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