{"id":148337,"date":"2024-04-27T16:13:28","date_gmt":"2024-04-27T16:13:28","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%a0%80%ec%9e%a1%ec%9d%8c-%ec%a6%9d%ed%8f%ad%ea%b8%b0\/"},"modified":"2024-04-27T16:13:28","modified_gmt":"2024-04-27T16:13:28","slug":"%ec%a0%80%ec%9e%a1%ec%9d%8c-%ec%a6%9d%ed%8f%ad%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%80%ec%9e%a1%ec%9d%8c-%ec%a6%9d%ed%8f%ad%ea%b8%b0\/","title":{"rendered":"\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30"},"content":{"rendered":"<p class=\"sidekick\">\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30(LNA)\ub294 \uc7a1\uc74c\uc744 \ucd5c\uc18c\ud654\ud558\uba70 \uc57d\ud55c \uc2e0\ud638\uc758 \uac15\ub3c4\ub97c \ub192\uc774\ub294 \uc804\uc790 \uc7a5\uce58\ub85c \ud1b5\uc2e0, \uc758\ub8cc, \ucc9c\ubb38\ud559 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc800\uc7a1\uc74c-\uc99d\ud3ed\uae30.png\" alt=\"\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\"\/><\/p>\n<h2>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\uc758 \uae30\ubcf8 \uac1c\ub150<\/h2>\n<p>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30(Low Noise Amplifier, LNA)\ub294 \uc2e0\ud638\uc758 \uc138\uae30\ub97c \ub192\uc774\uba74\uc11c\ub3c4 \uac00\ub2a5\ud55c \ud55c \uc7a1\uc74c\uc744 \ucd94\uac00\ud558\uc9c0 \uc54a\ub294 \uc804\uc790 \uacf5\ud559\uc801 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 \uace0\ub3c4\ub85c \ubbfc\uac10\ud55c \uc2e0\ud638 \uc218\uc2e0\uc774 \ud544\uc694\ud55c \ubb34\uc120 \ud1b5\uc2e0, \ub808\uc774\ub354 \uc2dc\uc2a4\ud15c, \uc758\ub8cc \uae30\uae30, \ubc0f \ucc9c\ubb38\ud559\uc801 \uce21\uc815 \ub3c4\uad6c \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\ub294 \uc785\ub825\ub41c \uc2e0\ud638\ub97c \uac00\ub2a5\ud55c \ud55c \uc6d0\ubcf8 \uc0c1\ud0dc \uadf8\ub300\ub85c \uc99d\ud3ed\uc2dc\ud0a4\ub294 \uac83\uc774 \ubaa9\ud45c\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\uc758 \uc911\uc694\uc131<\/h2>\n<p>\uc2dc\uc2a4\ud15c \ub0b4\uc5d0\uc11c \uc7a1\uc74c\uc740 \ubd88\uac00\ud53c\ud558\uac8c \ubc1c\uc0dd\ud558\uba70 \uc774\ub294 \uc815\ubcf4\ub97c \uc804\ub2ec\ud558\ub294 \uc2e0\ud638\uc758 \ud488\uc9c8\uc744 \uc800\ud558\uc2dc\ud0b5\ub2c8\ub2e4. \ud2b9\ud788, \uc57d\ud55c \uc2e0\ud638\ub97c \ub2e4\ub8e8\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc7a1\uc74c\uc758 \uc601\ud5a5\uc740 \ub354 \ud06c\uac8c \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\ub294 \uc7a1\uc74c \uc9c0\uc218(Noise Figure, NF)\uac00 \ub0ae\uc740 \uc131\ub2a5\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4\uc57c \ud558\uba70, \uc774\ub294 \uc7a1\uc74c\uc758 \uc601\ud5a5\uc744 \ucd5c\uc18c\ud654\ud558\uba74\uc11c \uc2e0\ud638\uc758 \uac15\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc7a1\uc74c \uc9c0\uc218\ub294 \uc99d\ud3ed\uae30\uc5d0 \uc758\ud574 \ucd94\uac00\ub41c \uc7a1\uc74c\uc758 \uc591\uc744 \uce21\uc815\ud558\ub294 \uc9c0\ud45c\uc778\ub370, \ub0ae\uc744\uc218\ub85d \uc7a1\uc74c\uc758 \ucd94\uac00\uac00 \uc801\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\uc758 \uad6c\uc131\uc740 \ubcf4\ud1b5 \ud2b8\ub79c\uc9c0\uc2a4\ud130\ub97c \uc774\uc6a9\ud558\uba70, \uc785\ub825 \uc2e0\ud638\uc5d0 \ub300\ud55c \uac8c\uc778\uc744 \uc99d\uac00\uc2dc\ud0a4\ub294 \ub3d9\uc2dc\uc5d0 \uc7a1\uc74c\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \ud68c\ub85c \uc124\uacc4\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc124\uacc4\uc5d0\ub294 \uc800\uc7a1\uc74c \ud2b8\ub79c\uc9c0\uc2a4\ud130 \uc120\ud0dd, \uc784\ud53c\ub358\uc2a4 \uc815\ud569, \ucd5c\uc801\uc758 \ubc14\uc774\uc5b4\uc2a4 \uc9c0\uc810 \uc124\uc815\uacfc \uac19\uc740 \uc694\uc18c\ub4e4\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774\ub7f0 \uc124\uacc4 \uae30\ubc95\uc744 \ud1b5\ud574 \uc2e0\ud638 \ub300 \uc7a1\uc74c \ube44(Signal-to-Noise Ratio, SNR)\ub97c \ucd5c\ub300\ud654 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<ul>\n<li><strong>\ud1b5\uc2e0 : <\/strong>\uc704\uc131 \ud1b5\uc2e0\uacfc \uac19\uc740 \uace0\uac10\ub3c4 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ucd08\uae30 \uc2e0\ud638 \ub2e8\uacc4\uc5d0\uc11c\uc758 \uc7a1\uc74c \uac10\uc18c\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc758\ub8cc \uae30\uae30 : <\/strong>\uc57d\ud55c \ubc14\uc774\uc624 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud560 \ub54c \uc7a1\uc74c\uc744 \uc801\uac8c \ucd94\uac00\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\uc5ec \uc9c4\ub2e8\uc758 \uc815\ud655\uc131\uc744 \ub192\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ucc9c\ubb38\ud559 : <\/strong>\ub9e4\uc6b0 \uc57d\ud55c \ucc9c\uccb4 \uc2e0\ud638\ub97c \ubd84\uc11d\ud560 \ub54c \uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\ub294 \uc2e0\ud638\ub97c \uae68\ub057\ud558\uac8c \uc99d\ud3ed\uc2dc\ucf1c \uc5f0\uad6c\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub808\uc774\ub354 \uc2dc\uc2a4\ud15c : <\/strong>\ub808\uc774\ub354 \uc2e0\ud638\uc758 \ucd08\uae30 \ucc98\ub9ac \ub2e8\uacc4\uc5d0\uc11c \uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\ub294 \ub192\uc740 \uc131\ub2a5\uc758 \uc2e0\ud638 \uac10\uc9c0\ub97c \uac00\ub2a5\ucf00 \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\uc758 \uc131\ub2a5 \uc9c0\ud45c<\/h2>\n<ol>\n<li><strong>\uc7a1\uc74c \uc9c0\uc218 (Noise Figure, NF)<\/strong> : \uc99d\ud3ed\uae30\uc5d0 \uc758\ud574 \ucd94\uac00\ub41c \uc7a1\uc74c\uc758 \uc591\uc744 \ub098\ud0c0\ub0b4\uba70, \ub2e8\uc704\ub294 \ub370\uc2dc\ubca8(dB)\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uac8c\uc778 (Gain)<\/strong> : \uc99d\ud3ed\uae30\uac00 \uc5bc\ub9c8\ub098 \ub9ce\uc740 \uc99d\ud3ed\uc744 \uc81c\uacf5\ud558\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\uba70, \ub610\ud55c \ub370\uc2dc\ubca8(dB)\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc785\ub825 \ubc0f \ucd9c\ub825 \uc784\ud53c\ub358\uc2a4 (Input\/Output Impedance)<\/strong> : \uc99d\ud3ed\uae30\uc758 \uc785\ub825 \ubc0f \ucd9c\ub825 \ub2e8\uc790\uc5d0 \ub300\ud55c \uc784\ud53c\ub358\uc2a4 \ub9e4\uce6d\uc774 \uc2e0\ud638 \uc190\uc2e4\uc744 \uc904\uc774\uace0 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc120\ud615\uc131 (Linearity)<\/strong> : \uc99d\ud3ed\uae30\uc758 \ube44\uc120\ud615 \uc65c\uace1\uc774 \uc2e0\ud638\uc758 \ud488\uc9c8\uc744 \uc800\ud558\uc2dc\ud0a4\ubbc0\ub85c, \ub192\uc740 \uc120\ud615\uc131\uc740 \uc911\uc694\ud55c \uc131\ub2a5 \uc9c0\ud45c\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uacb0\ub860\uc801\uc73c\ub85c, \uc800\uc7a1\uc74c \uc99d\ud3ed\uae30\ub294 \uc804\uc790 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc2e0\ud638\uc758 \ud074\ub9ac\uc5b4\ud55c \uc99d\ud3ed\uc774 \ud544\uc694\ud560 \ub54c \ud544\uc218\uc801\uc778 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc7a1\uc74c\uc774 \ucd5c\uc18c\ud654\ub41c \uc815\ud655\ud55c \uc2e0\ud638 \uc99d\ud3ed\uc744 \ud1b5\ud574 \ub2e4\uc591\ud55c \uace0\ub3c4\uc758 \uae30\uc220\uc801 \ubd84\uc57c\uc5d0\uc11c \uadf8 \uc911\uc694\uc131\uc774 \ub354\ud574\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30(LNA)\ub294 \uc7a1\uc74c\uc744 \ucd5c\uc18c\ud654\ud558\uba70 \uc57d\ud55c \uc2e0\ud638\uc758 \uac15\ub3c4\ub97c \ub192\uc774\ub294 \uc804\uc790 \uc7a5\uce58\ub85c \ud1b5\uc2e0, \uc758\ub8cc, \ucc9c\ubb38\ud559 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":184705,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-148337","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>\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30(LNA)\ub294 \uc7a1\uc74c\uc744 \ucd5c\uc18c\ud654\ud558\uba70 \uc57d\ud55c \uc2e0\ud638\uc758 \uac15\ub3c4\ub97c \ub192\uc774\ub294 \uc804\uc790 \uc7a5\uce58\ub85c \ud1b5\uc2e0, \uc758\ub8cc, \ucc9c\ubb38\ud559 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud569\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%80%ec%9e%a1%ec%9d%8c-%ec%a6%9d%ed%8f%ad%ea%b8%b0\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810\" \/>\n<meta property=\"og:description\" content=\"\uc800\uc7a1\uc74c \uc99d\ud3ed\uae30(LNA)\ub294 \uc7a1\uc74c\uc744 \ucd5c\uc18c\ud654\ud558\uba70 \uc57d\ud55c \uc2e0\ud638\uc758 \uac15\ub3c4\ub97c \ub192\uc774\ub294 \uc804\uc790 \uc7a5\uce58\ub85c \ud1b5\uc2e0, \uc758\ub8cc, \ucc9c\ubb38\ud559 \ubd84\uc57c\uc5d0\uc11c 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