{"id":213009,"date":"2024-09-02T15:55:31","date_gmt":"2024-09-02T15:55:31","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=213009"},"modified":"2024-09-02T15:55:31","modified_gmt":"2024-09-02T15:55:31","slug":"%ed%9a%8c%eb%a1%9c%ec%97%90%ec%84%9c-%ec%97%b0%ec%82%b0-%ec%a6%9d%ed%8f%ad%ea%b8%b0%eb%8a%94-%ec%96%b4%eb%96%bb%ea%b2%8c-%ec%9e%91%eb%8f%99%ed%95%a0%ea%b9%8c","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ed%9a%8c%eb%a1%9c%ec%97%90%ec%84%9c-%ec%97%b0%ec%82%b0-%ec%a6%9d%ed%8f%ad%ea%b8%b0%eb%8a%94-%ec%96%b4%eb%96%bb%ea%b2%8c-%ec%9e%91%eb%8f%99%ed%95%a0%ea%b9%8c\/","title":{"rendered":"\ud68c\ub85c\uc5d0\uc11c \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud560\uae4c?"},"content":{"rendered":"<p class=\"sidekick\">\ud68c\ub85c\uc5d0\uc11c \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud560\uae4c? \uac04\ub2e8\ud55c \uc124\uba85\uacfc \ud568\uaed8 \ud68c\ub85c \ub0b4\uc5d0\uc11c \uc804\uc555 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\ub294 \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \uc751\uc6a9 \uc0ac\ub840\ub97c \uc54c\uc544\ubd05\ub2c8\ub2e4.<\/p>\n<h2>\ud68c\ub85c\uc5d0\uc11c \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud560\uae4c?<\/h2>\n<p>\uc5f0\uc0b0 \uc99d\ud3ed\uae30(Op-Amp, Operational Amplifier)\ub294 \uc804\uc790 \ud68c\ub85c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \ub2e4\uc591\ud55c \uc804\uae30 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\uace0, \uc870\uc791\ud558\uba70, \ub2e4\uc591\ud55c \uc5f0\uc0b0\uc744 \uc218\ud589\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uadf8 \uc791\ub3d9 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\ub824\uba74 \uae30\ubcf8\uc801\uc778 \uad6c\uc131\uacfc \uc791\ub3d9 \ubc29\uc2dd\uc744 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uae30\ubcf8 \uad6c\uc870<\/h2>\n<p>\uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc758 \uc138 \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc785\ub825 \ub2e8\uc790(Input Terminals): \ubc18\uc804 \uc785\ub825 \ub2e8\uc790(-)\uc640 \ube44\ubc18\uc804 \uc785\ub825 \ub2e8\uc790(+)\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ucd9c\ub825 \ub2e8\uc790(Output Terminal): \uc99d\ud3ed\ub41c \uc2e0\ud638\uac00 \ucd9c\ub825\ub429\ub2c8\ub2e4.<\/li>\n<li>\uc804\uc6d0 \uacf5\uae09 \ub2e8\uc790(Power Supply Terminals): \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uac00 \uc791\ub3d9\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc804\uc555\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uae30\ubcf8\uc801\uc778 \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \ub450 \uac1c\uc758 \uc785\ub825 \ub2e8\uc790\uc640 \ud55c \uac1c\uc758 \ucd9c\ub825 \ub2e8\uc790\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc785\ub825 \ub2e8\uc790 \uc0ac\uc774\uc758 \uc804\uc555 \ucc28\uc774\uc5d0 \ube44\ub840\ud558\uc5ec \ucd9c\ub825 \uc2e0\ud638\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc774\uc0c1\uc801\uc778 \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \ud2b9\uc131<\/h2>\n<p>\uc774\uc0c1\uc801\uc778 \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc131\uc744 \uac00\uc9d1\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\ubb34\ud55c\ub300\uc758 \uac1c\ubc29 \ub8e8\ud504 \uc774\ub4dd(Open Loop Gain, \\( A_{OL} \\))<\/li>\n<li>\ubb34\ud55c\ub300\uc758 \uc785\ub825 \uc784\ud53c\ub358\uc2a4(Input Impedance)<\/li>\n<li>0\uc758 \ucd9c\ub825 \uc784\ud53c\ub358\uc2a4(Output Impedance)<\/li>\n<li>\ubb34\ud55c\ub300\uc758 \ub300\uc5ed\ud3ed(Bandwidth)<\/li>\n<\/ol>\n<p>\uc774\ub7ec\ud55c \uc774\uc0c1\uc801\uc778 \ud2b9\uc131\uc740 \uc2e4\uc81c \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc5d0\uc11c \uc644\ubcbd\ud558\uac8c \ucda9\uc871\ub418\uc9c0 \uc54a\uc9c0\ub9cc, \uc124\uacc4\ub97c \ub2e8\uc21c\ud654\ud558\uace0 \ubd84\uc11d\ud558\ub294 \ub370 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>\uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uc791\ub3d9 \uc6d0\ub9ac\ub294 \uc785\ub825 \ub2e8\uc790 \uac04\uc758 \uc804\uc555 \ucc28\uc774\ub97c \uc99d\ud3ed\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub97c \ud45c\ud604\ud558\ub294 \uae30\ubcf8 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\\( V_{out} = A_{OL} \\times (V_{+} &#8211; V_{-}) \\)<\/p>\n<p>\uc5ec\uae30\uc11c \\( V_{out} \\)\uc740 \ucd9c\ub825 \uc804\uc555, \\( A_{OL} \\)\uc740 \uac1c\ubc29 \ub8e8\ud504 \uc774\ub4dd, \\( V_{+} \\)\uc740 \ube44\ubc18\uc804 \uc785\ub825 \uc804\uc555, \\( V_{-} \\)\uc740 \ubc18\uc804 \uc785\ub825 \uc804\uc555\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uc751\uc6a9<\/h2>\n<p>\uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uc608\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc804\uc555 \ucd94\uc801\uae30(Voltage Follower): \uc785\ub825 \uc804\uc555\uc744 \uadf8\ub300\ub85c \ucd9c\ub825 \uc804\uc555\uc73c\ub85c \ucd94\uc801\ud569\ub2c8\ub2e4. \\( V_{out} = V_{in} \\)<\/li>\n<li>\ubc18\uc804 \uc99d\ud3ed\uae30(Inverting Amplifier): \uc785\ub825 \uc2e0\ud638\ub97c \ubc18\uc804 \ubc0f \uc99d\ud3ed\ud569\ub2c8\ub2e4. \\( V_{out} = &#8211; (R_{f} \/ R_{in}) \\times V_{in} \\)<\/li>\n<li>\ube44\ubc18\uc804 \uc99d\ud3ed\uae30(Non-Inverting Amplifier): \uc785\ub825 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\uba70, \ube44\ubc18\uc804 \uc785\ub825 \ub2e8\uc790\uc5d0 \uc785\ub825 \uc2e0\ud638\ub97c \uacf5\uae09\ud569\ub2c8\ub2e4. \\( V_{out} = (1 + R_{f} \/ R_{in}) \\times V_{in} \\)<\/li>\n<\/ul>\n<p>\uc774 \uc678\uc5d0\ub3c4 \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \ucc28\ub3d9 \uc99d\ud3ed\uae30, \uc801\ubd84\uae30, \ubbf8\ubd84\uae30 \ub4f1\uc73c\ub85c\ub3c4 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c\ub294 \uc800\ud56d, \ucee4\ud328\uc2dc\ud130 \ub4f1\uc758 \uc8fc\ubcc0 \ubd80\ud488\uacfc \ud568\uaed8 \uacb0\ud569\ud558\uc5ec \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \uc804\uc790 \ud68c\ub85c\uc5d0\uc11c \ub2e4\uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 \uc911\uc694\ud55c \uc18c\uc790\uc785\ub2c8\ub2e4. \uc785\ub825 \uc804\uc555 \ucc28\uc774\ub97c \uc99d\ud3ed\ud558\uc5ec \uc720\uc6a9\ud55c \ucd9c\ub825 \uc2e0\ud638\ub97c \uc0dd\uc131\ud558\ub294 \ud2b9\uc131\uc744 \uc9c0\ub2c8\uace0 \uc788\uc73c\uba70, \uc774\uc0c1\uc801\uc778 \ud2b9\uc131\uacfc \ub2e4\uc591\ud55c \uc751\uc6a9\uc73c\ub85c \uc778\ud574 \uc804\uc790\uacf5\ud559\uc5d0\uc11c \ud544\uc218\uc801\uc778 \uad6c\uc131 \uc694\uc18c\ub85c \uc790\ub9ac\uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uae30\ubcf8 \uc6d0\ub9ac\uc640 \uad6c\uc870\ub97c \uc774\ud574\ud558\uba74 \ub2e4\uc591\ud55c \uc804\uc790 \ud68c\ub85c \uc124\uacc4 \ubc0f \ubd84\uc11d\uc5d0 \ud070 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud68c\ub85c\uc5d0\uc11c \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud560\uae4c? \uac04\ub2e8\ud55c \uc124\uba85\uacfc \ud568\uaed8 \ud68c\ub85c \ub0b4\uc5d0\uc11c \uc804\uc555 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\ub294 \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \uc751\uc6a9 \uc0ac\ub840\ub97c \uc54c\uc544\ubd05\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[101],"tags":[],"class_list":["post-213009","post","type-post","status-publish","format-standard","hentry","category-101","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>\ud68c\ub85c\uc5d0\uc11c \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud560\uae4c?<\/title>\n<meta name=\"description\" content=\"\ud68c\ub85c\uc5d0\uc11c \uc5f0\uc0b0 \uc99d\ud3ed\uae30\ub294 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud560\uae4c? \uac04\ub2e8\ud55c \uc124\uba85\uacfc \ud568\uaed8 \ud68c\ub85c \ub0b4\uc5d0\uc11c \uc804\uc555 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\ub294 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