{"id":212840,"date":"2024-10-06T16:16:32","date_gmt":"2024-10-06T16:16:32","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=212840"},"modified":"2024-10-06T16:16:32","modified_gmt":"2024-10-06T16:16:32","slug":"%ec%a3%bc%ed%8c%8c%ec%88%98-%ed%95%a9%ec%84%b1%ea%b3%bc-%eb%b3%80%ec%a1%b0%ec%97%90%ec%84%9c-%ec%9c%84%ec%83%81-%ea%b3%a0%ec%a0%95-%eb%a3%a8%ed%94%84%ec%9d%98-%ec%9d%91%ec%9a%a9%ec%9d%80-%eb%ac%b4","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a3%bc%ed%8c%8c%ec%88%98-%ed%95%a9%ec%84%b1%ea%b3%bc-%eb%b3%80%ec%a1%b0%ec%97%90%ec%84%9c-%ec%9c%84%ec%83%81-%ea%b3%a0%ec%a0%95-%eb%a3%a8%ed%94%84%ec%9d%98-%ec%9d%91%ec%9a%a9%ec%9d%80-%eb%ac%b4\/","title":{"rendered":"\uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\uc758 \uc751\uc6a9\uc740 \ubb34\uc5c7\uc778\uac00\uc694?"},"content":{"rendered":"<p class=\"sidekick\">\uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\uc758 \uc751\uc6a9: \uc2e0\ud638 \uc548\uc815\ud654, \uc815\ud655\ud55c \uc8fc\ud30c\uc218 \uc81c\uc5b4, \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \ud6a8\uc728\uc801 \ub370\uc774\ud130 \uc804\uc1a1 \ucd09\uc9c4 \ubc29\ubc95 \uc18c\uac1c.<\/p>\n<h2>\uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\uc758 \uc751\uc6a9\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n<p>\uc704\uc0c1 \uace0\uc815 \ub8e8\ud504(Phase-Locked Loop, PLL)\ub294 \uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\ub294 \uc8fc\ud30c\uc218\uc640 \uc704\uc0c1\uc744 \uc81c\uc5b4\ud558\uace0 \uc548\uc815\ud654\ud558\ub294 \uc804\uc790 \ud68c\ub85c\ub85c, \ub2e4\uc591\ud55c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uacfc \uc804\uc790 \uc7a5\uce58\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubcf8 \ubb38\uc11c\uc5d0\uc11c\ub294 \uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\uc758 \uc8fc\uc694 \uc751\uc6a9 \ubd84\uc57c\uc640 \ub3d9\uc791 \uc6d0\ub9ac\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc8fc\ud30c\uc218 \ud569\uc131<\/h2>\n<ul>\n<li><b>\uc815\ubc00\ud55c \uc8fc\ud30c\uc218 \uc0dd\uc131:<\/b> PLL\uc740 \ub9e4\uc6b0 \uc815\ud655\ud558\uace0 \uc548\uc815\uc801\uc778 \uc8fc\ud30c\uc218\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub77c\ub514\uc624, \ud154\ub808\ube44\uc804, \ub808\uc774\ub354 \ub4f1 \ub2e4\uc591\ud55c \ub514\uc9c0\ud138 \ubc0f \uc544\ub0a0\ub85c\uadf8 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li><b>\uc8fc\ud30c\uc218 \uc548\uc815\ud654:<\/b> \uc678\ubd80 \uc694\uc778\uc73c\ub85c \uc778\ud55c \uc8fc\ud30c\uc218 \ubcc0\ub3d9\uc744 \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4. \uc774\ub294 \uc2e0\ud638\uc758 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\uc8fc\ud30c\uc218 \ubcc0\ud658:<\/b> \ud2b9\uc815 \uc785\ub825 \uc8fc\ud30c\uc218\ub97c \uc6d0\ud558\ub294 \ucd9c\ub825 \uc8fc\ud30c\uc218\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub0ae\uc740 \uc8fc\ud30c\uc218\ub97c \ub192\uc740 \uc8fc\ud30c\uc218\ub85c \ubcc0\ud658\ud558\ub294 \ub370 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\ubcc0\uc870<\/h2>\n<ul>\n<li><b>\uc8fc\ud30c\uc218 \ubcc0\uc870(FM):<\/b> PLL\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc8fc\ud30c\uc218 \ubcc0\uc870\uc5d0\uc11c \uc2e0\ub8b0\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uace0\ud488\uc9c8 \uc624\ub514\uc624 \ubc0f \ube44\ub514\uc624 \uc804\uc1a1\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\uc704\uc0c1 \ubcc0\uc870(PM):<\/b> PLL\uc744 \ud1b5\ud574 \uc704\uc0c1 \ubcc0\uc870 \uacfc\uc815\uc5d0\uc11c \uc2e0\ud638\uc758 \uc704\uc0c1 \ucc28\uc774\ub97c \uc815\ud655\ud558\uac8c \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><b>\ub514\uc9c0\ud138 \ubcc0\uc870:<\/b> QAM(Quadrature Amplitude Modulation)\uacfc \uac19\uc740 \ub514\uc9c0\ud138 \ubcc0\uc870 \ubc29\uc2dd\uc5d0\uc11c\ub294 PLL\uc774 \ud544\uc218\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub294 \ub192\uc740 \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \uc9c0\uc6d0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\uc758 \ub3d9\uc791 \uc6d0\ub9ac<\/h2>\n<p>\uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\ub294 \ud06c\uac8c \uc544\ub798\uc758 \uc138 \uac00\uc9c0 \uad6c\uc131 \uc694\uc18c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li><b>\uc704\uc0c1 \uac80\ucd9c\uae30(Phase Detector):<\/b> \uc785\ub825 \uc2e0\ud638\uc640 \uae30\uc900 \uc2e0\ud638\uc758 \uc704\uc0c1 \ucc28\uc774\ub97c \uac80\ucd9c\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\ub8e8\ud504 \ud544\ud130(Loop Filter):<\/b> \uc704\uc0c1 \uac80\ucd9c\uae30\uc758 \ucd9c\ub825 \uc2e0\ud638\ub97c \ud544\ud130\ub9c1\ud558\uc5ec \ub2e4\uc74c \ub2e8\uacc4\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\uc804\uc555 \uc81c\uc5b4 \ubc1c\uc9c4\uae30(Voltage-Controlled Oscillator, VCO):<\/b> \ub8e8\ud504 \ud544\ud130\uc758 \ucd9c\ub825\uc744 \ubc1b\uc544 \uc8fc\ud30c\uc218\ub97c \uc0dd\uc131\ud558\uace0 \ucd9c\ub825 \uc2e0\ud638\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\ub294 \uc704\uc0c1 \uac80\ucd9c\uae30\ub97c \ud1b5\ud574 \uc5bb\uc740 \uc704\uc0c1 \ucc28\uc774 \uc2e0\ud638\ub97c \ub8e8\ud504 \ud544\ud130\uc640 VCO\ub97c \ud1b5\ud574 \ubcf4\uc815\ud558\uc5ec, \ucd9c\ub825 \uc2e0\ud638\uc758 \uc8fc\ud30c\uc218\uc640 \uc704\uc0c1\uc774 \uc77c\uc815\ud558\ub3c4\ub85d \uace0\uc815\ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \uc8fc\ud30c\uc218 \ud569\uc131 \ubc0f \ubcc0\uc870\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\ub294 \uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc815\ud655\ud55c \uc8fc\ud30c\uc218 \uc0dd\uc131\uacfc \uc548\uc815\ud654, \ub2e4\uc591\ud55c \ubcc0\uc870 \ubc29\uc2dd\uc758 \ubcf4\uc870 \ub4f1\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 PLL\uc740 \ud604\ub300 \uc804\uc790 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \uad6c\uc131 \uc694\uc18c\ub85c \uc790\ub9ac\uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\uc758 \uc751\uc6a9: \uc2e0\ud638 \uc548\uc815\ud654, \uc815\ud655\ud55c \uc8fc\ud30c\uc218 \uc81c\uc5b4, \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \ud6a8\uc728\uc801 \ub370\uc774\ud130 \uc804\uc1a1 \ucd09\uc9c4 \ubc29\ubc95 \uc18c\uac1c.<\/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-212840","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>\uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \uc704\uc0c1 \uace0\uc815 \ub8e8\ud504\uc758 \uc751\uc6a9\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/title>\n<meta name=\"description\" content=\"\uc8fc\ud30c\uc218 \ud569\uc131\uacfc \ubcc0\uc870\uc5d0\uc11c \uc704\uc0c1 \uace0\uc815 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