{"id":148493,"date":"2024-04-27T16:36:18","date_gmt":"2024-04-27T16:36:18","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%a0%84%eb%a0%a5-%ec%a6%9d%ed%8f%ad%ea%b8%b0-2\/"},"modified":"2024-04-27T16:36:18","modified_gmt":"2024-04-27T16:36:18","slug":"%ec%a0%84%eb%a0%a5-%ec%a6%9d%ed%8f%ad%ea%b8%b0-2","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%84%eb%a0%a5-%ec%a6%9d%ed%8f%ad%ea%b8%b0-2\/","title":{"rendered":"\uc804\ub825 \uc99d\ud3ed\uae30"},"content":{"rendered":"<p class=\"sidekick\">\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uc6d0\ub9ac, \uad6c\uc131 \uc694\uc18c, \uc99d\ud3ed \ubc29\uc2dd\uacfc \ud68c\ub85c\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uba70, \uc120\ud615 \ubc0f \uc2a4\uc704\uce6d \uc99d\ud3ed\uae30\uc758 \ud6a8\uc728\uc131 \ubc0f \uc124\uacc4 \uace0\ub824\uc0ac\ud56d\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc804\ub825-\uc99d\ud3ed\uae30.png\" alt=\"\uc804\ub825 \uc99d\ud3ed\uae30\"\/><\/p>\n<h2>\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>\uc804\ub825 \uc99d\ud3ed\uae30\ub294 \ub9d0 \uadf8\ub300\ub85c \uc804\ub825\uc744 \uc99d\ud3ed, \uc989 \ub354 \ud070 \uc804\ub825\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uae30\uae30\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc11c \uc804\ub825\uc774\ub780 \uc804\uae30\ub97c \ud1b5\ud574 \uc218\ud589\ud560 \uc218 \uc788\ub294 \uc77c\uc758 \uc18d\ub3c4\ub97c \ub73b\ud558\uba70, \ub2e8\uc704\ub294 \uc640\ud2b8(W)\ub85c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc804\ub825 \uc99d\ud3ed\uae30\ub294 \uc624\ub514\uc624 \uc2dc\uc2a4\ud15c, \ubc29\uc1a1 \uc124\ube44, \ubb34\uc120 \ud1b5\uc2e0\uacfc \uac19\uc774 \ud2b9\uc815 \uc2e0\ud638\uc758 \ud06c\uae30\ub97c \uc99d\uac00\uc2dc\ucf1c\uc57c \ud560 \ub54c \ud544\uc218\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uad6c\uc131 \uc694\uc18c<\/h2>\n<p>\uc804\ub825 \uc99d\ud3ed\uae30\ub294 \uc804\ub825 \ud2b8\ub79c\uc9c0\uc2a4\ud130, \ubc29\uc5f4\ud310, \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ub4f1 \ub2e4\uc591\ud55c \uad6c\uc131 \uc694\uc18c\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uac01 \uad6c\uc131\uc694\uc18c\ub294 \uc99d\ud3ed\uae30\uc758 \uc131\ub2a5\uacfc \uc548\uc815\uc131\uc744 \uacb0\uc815\uc9d3\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc804\ub825 \ud2b8\ub79c\uc9c0\uc2a4\ud130\ub294 \uc2e0\ud638 \uc99d\ud3ed\uc758 \ud575\uc2ec \uc694\uc18c\ub85c\uc11c, \uc785\ub825\ub418\ub294 \uc2e0\ud638\uc5d0 \ub530\ub77c \uc804\ub958\ub97c \uc870\uc808\ud558\uc5ec \uc99d\ud3ed\ub41c \ucd9c\ub825\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ub825\uc758 \uc99d\ud3ed \ubc29\uc2dd<\/h2>\n<p>\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uc99d\ud3ed \ubc29\uc2dd\uc740 \ud06c\uac8c \uc120\ud615 \uc99d\ud3ed\uacfc \uc2a4\uc704\uce6d \uc99d\ud3ed\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4. \uc120\ud615 \uc99d\ud3ed\uae30\ub294 \uc785\ub825 \uc2e0\ud638\uc758 \ud615\ud0dc\ub97c \uadf8\ub300\ub85c \uc720\uc9c0\ud558\uba74\uc11c \uc99d\ud3ed\ud558\ub294\ub370, \uc624\ub514\uc624 \uc99d\ud3ed\uae30\uc5d0\uc11c \ud754\ud788 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74\uc5d0 \uc2a4\uc704\uce6d \uc99d\ud3ed\uae30\ub294 \ud6a8\uc728\uc131\uc744 \ub192\uc774\uae30 \uc704\ud574 \ub514\uc9c0\ud138 \ud615\ud0dc\ub85c \uc2e0\ud638\ub97c \ucf1c\uace0 \ub044\ub294 \ubc29\uc2dd\uc744 \uc774\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\uc2dd\uc740 \uc8fc\ub85c \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub098 RF(Radio Frequency) \uc99d\ud3ed\uae30\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ub825 \uc99d\ud3ed \ud68c\ub85c<\/h2>\n<p>\uc804\ub825 \uc99d\ud3ed \ud68c\ub85c\ub294 \uc5ec\ub7ec \ub2e8\uacc4\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \ub2e8\uacc4\ub294 \uc2e0\ud638\ub97c \ud55c \ub2e8\uacc4\uc529 \uc99d\ud3ed\ud574 \ucd5c\uc885\uc801\uc73c\ub85c \uc6d0\ud558\ub294 \uc804\ub825 \uc218\uc900\uc5d0 \ub3c4\ub2ec\ud558\uac8c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud504\ub9ac\uc570\ud504(pre-amplifier)\ub2e8\uacc4\uc5d0\uc11c\ub294 \uc57d\ud55c \uc785\ub825 \uc2e0\ud638\ub97c \uba3c\uc800 \uc99d\ud3ed\ud55c \ub2e4\uc74c, \uba54\uc778 \uc99d\ud3ed \ub2e8\uacc4\uc5d0\uc11c \uc774\ub97c \ub354 \ud070 \uc804\ub825 \uc2e0\ud638\ub85c \uc99d\ud3ed\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \ud6a8\uc728<\/h2>\n<p>\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \ud6a8\uc728\uc740 \uc785\ub825 \uc804\ub825 \ub300\ube44 \uc99d\ud3ed\uae30\uc5d0\uc11c \uc5bb\uc5b4\uc9c4 \ucd9c\ub825 \uc804\ub825\uc758 \ube44\uc728\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud6a8\uc728\uc740 \uc99d\ud3ed \uacc4\ud1b5\uc758 \uc124\uacc4\uc640 \uc0ac\uc6a9\ub418\ub294 \ubd80\ud488\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ud6a8\uc728\uc801\uc778 \uc99d\ud3ed\uae30\ub294 \ub0ae\uc740 \uc5f4 \ubc1c\uc0dd\uacfc \uc804\ub825 \uc190\uc2e4\uc774 \uc801\uc740 \uac83\uc774 \ud2b9\uc9d5\uc774\uba70, \uc774\ub294 \uc7a5\uc2dc\uac04 \ub3d9\uc548 \uc548\uc815\uc801\uc778 \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\ub294\ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc120\ud615 \uc99d\ud3ed\uae30: \uc785\ub825 \uc2e0\ud638\uc758 \ud30c\ud615\uc744 \ubcf4\uc874\ud558\uba70 \uc99d\ud3ed<\/li>\n<li>\uc2a4\uc704\uce6d \uc99d\ud3ed\uae30: \ub192\uc740 \ud6a8\uc728\ub85c \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\uc9c0\ub9cc \ud30c\ud615\uc774 \ubcc0\ud654\ub420 \uc218 \uc788\uc74c<\/li>\n<\/ul>\n<p>\uc99d\ud3ed\uae30\uc758 \ud6a8\uc728\uc744 \ub098\ud0c0\ub0b4\ub294 \uc218\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\\[ \\text{\ud6a8\uc728} (\\eta) = \\left( \\frac{\\text{\ucd9c\ub825 \uc804\ub825} (P_{out})}{\\text{\uc785\ub825 \uc804\ub825} (P_{in})} \\right) \\times 100\\%\\]<\/p>\n<p>\uc99d\ud3ed\uae30\ub97c \uc124\uacc4\ud560 \ub54c \uace0\ub824\ud574\uc57c \ud560 \uc911\uc694\ud55c \uae30\uc900 \uc911 \ud558\ub098\ub294 \ud6a8\uc728\uacfc \ud568\uaed8, \uc99d\ud3ed\uae30\uac00 \uc751\ub2f5\ud574\uc57c \ud558\ub294 \uc8fc\ud30c\uc218 \ubc94\uc704\uc785\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uc6a9\ub3c4\uc640 \ud658\uacbd\uc5d0 \ub9de\uac8c \uc99d\ud3ed\uae30\ub97c \uc124\uacc4\ud574\uc57c \ucd5c\uc801\uc758 \uc131\ub2a5\uc744 \ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc8fc\ud30c\uc218 \uc751\ub2f5\uacfc \uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uc548\uc815\uc131<\/h2>\n<p>\uc804\ub825 \uc99d\ud3ed\uae30\ub294 \ud2b9\uc815 \uc8fc\ud30c\uc218 \ubc94\uc704\uc5d0\uc11c \uc548\uc815\uc801\uc73c\ub85c \ub3d9\uc791\ud574\uc57c \ud569\ub2c8\ub2e4. \uc8fc\ud30c\uc218 \uc751\ub2f5\uc740 \uc99d\ud3ed\uae30\uac00 \uc5bc\ub9c8\ub098 \ub113\uc740 \uc8fc\ud30c\uc218 \ub300\uc5ed\uc5d0\uc11c \uc785\ucd9c\ub825 \uc2e0\ud638\uc758 \ube44\uc728\uc744 \uc77c\uc815\ud558\uac8c \uc720\uc9c0\ud558\ub294\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc8fc\ud30c\uc218\uac00 \ub108\ubb34 \ub192\uac70\ub098 \ub0ae\uc744 \uacbd\uc6b0 \uc99d\ud3ed\uae30\uc758 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc73c\uba70, \uc774\ub85c \uc778\ud574 \uc2e0\ud638\uc758 \uc65c\uace1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c \uc804\ub825 \uc99d\ud3ed\uae30\ub294 \uc678\ubd80\ub85c\ubd80\ud130\uc758 \uc804\uc790\uae30 \uac04\uc12d\uc774\ub098 \ub0b4\ubd80\uc758 \uc5f4\uc801 \uc601\ud5a5\uc744 \ucd5c\uc18c\ud654\ud558\uc5ec \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \ubc29\uc5f4 \uc124\uacc4, \uc548\uc815\ub41c \uc804\uc6d0 \uacf5\uae09, \uadf8\ub9ac\uace0 \ubcf4\ud638 \ud68c\ub85c\uc758 \uc801\uc6a9\uc740 \uc99d\ud3ed\uae30\uc758 \uc548\uc815\uc801\uc778 \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uc751\uc6a9<\/h2>\n<p>\uc804\ub825 \uc99d\ud3ed\uae30\ub294 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc751\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc624\ub514\uc624 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub192\uc740 \ucda9\uc2e4\ub3c4(fidelity)\uc758 \uc0ac\uc6b4\ub4dc\ub97c \uc7ac\uc0dd\ud558\uae30 \uc704\ud574 \uc120\ud615 \uc99d\ud3ed\uae30\uac00 \uc8fc\ub85c \uc0ac\uc6a9\ub418\uba70, \ud56d\uacf5 \ud1b5\uc2e0\uc5d0\uc11c\ub294 \uc548\uc815\uc801\uc778 RF \uc99d\ud3ed\uae30\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c, \uc704\uc131 \ud1b5\uc2e0\uacfc \uac19\uc740 \uace0\uc8fc\ud30c \ub300\uc5ed\uc5d0\uc11c\ub294 \ud2b9\uc218\ud55c \uc2a4\uc704\uce6d \uc99d\ud3ed\uae30\uac00 \ud544\uc694\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ubc16\uc5d0\ub3c4 \uc758\ub8cc \uae30\uae30, \uc0b0\uc5c5\uc6a9 \uae30\uacc4, \uad70\uc0ac \uc7a5\ube44 \ub4f1 \uc5ec\ub7ec \uae30\uc220 \ubd84\uc57c\uc5d0\uc11c \uc804\ub825 \uc99d\ud3ed\uae30\ub294 \ud544\uc218\uc801\uc778 \ubd80\ud488\uc73c\ub85c \uc790\ub9ac\uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uac01\uac01\uc758 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub530\ub77c \ud6a8\uc728, \uc8fc\ud30c\uc218 \uc751\ub2f5, \uc548\uc815\uc131 \ub4f1\uc758 \uc694\uac74\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud55c \ub9de\ucda4\ud615 \uc124\uacc4\uac00 \uc694\uad6c\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc804\ub825 \uc99d\ud3ed\uae30\ub294 \ud604\ub300 \uae30\uc220\uc5d0\uc11c \ube7c\ub193\uc744 \uc218 \uc5c6\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uac01\uac01\uc758 \uc99d\ud3ed\uae30\ub294 \uc124\uacc4, \uad6c\uc131, \uadf8\ub9ac\uace0 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub9de\ucdb0 \ucd5c\uc801\ud654\ub418\uba70, \uc138\ubc00\ud55c \uacf5\ud559\uc801 \uc811\uadfc\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7a5\uce58\ub4e4\uc740 \uc2e0\ud638\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uc99d\ud3ed\ud558\uc5ec \uc6b0\ub9ac\uc758 \uc77c\uc0c1\uc0dd\ud65c\uc740 \ubb3c\ub860 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ud070 \ud61c\ud0dd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ubbf8\ub798\uc758 \uacf5\ud559\uc790\uc640 \uae30\uc220 \uc560\ud638\uac00\ub4e4\uc5d0\uac8c \uc720\uc775\ud558\uba70, \uc774\ub97c \ubc30\uc6b0\ub294 \uac83\uc740 \ub04a\uc784\uc5c6\uc774 \ubc1c\ub2ec\ud558\ub294 \uae30\uc220 \uc138\uacc4\uc5d0 \uae30\uc5ec\ud558\ub294 \uccab \uac78\uc74c\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uc6d0\ub9ac, \uad6c\uc131 \uc694\uc18c, \uc99d\ud3ed \ubc29\uc2dd\uacfc \ud68c\ub85c\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uba70, \uc120\ud615 \ubc0f \uc2a4\uc704\uce6d \uc99d\ud3ed\uae30\uc758 \ud6a8\uc728\uc131 \ubc0f \uc124\uacc4 \uace0\ub824\uc0ac\ud56d\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":186085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-148493","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>\uc804\ub825 \uc99d\ud3ed\uae30 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uc6d0\ub9ac, \uad6c\uc131 \uc694\uc18c, \uc99d\ud3ed \ubc29\uc2dd\uacfc \ud68c\ub85c\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uba70, \uc120\ud615 \ubc0f \uc2a4\uc704\uce6d \uc99d\ud3ed\uae30\uc758 \ud6a8\uc728\uc131 \ubc0f \uc124\uacc4 \uace0\ub824\uc0ac\ud56d\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%84%eb%a0%a5-%ec%a6%9d%ed%8f%ad%ea%b8%b0-2\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc804\ub825 \uc99d\ud3ed\uae30 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810\" \/>\n<meta property=\"og:description\" content=\"\uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uc6d0\ub9ac, \uad6c\uc131 \uc694\uc18c, \uc99d\ud3ed \ubc29\uc2dd\uacfc \ud68c\ub85c\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uba70, \uc120\ud615 \ubc0f \uc2a4\uc704\uce6d \uc99d\ud3ed\uae30\uc758 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