{"id":212839,"date":"2024-09-03T02:17:50","date_gmt":"2024-09-03T02:17:50","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=212839"},"modified":"2024-09-03T02:17:50","modified_gmt":"2024-09-03T02:17:50","slug":"%ec%9c%84%ec%83%81-%ec%9e%a0%ea%b8%88-%eb%a3%a8%ed%94%84pll%eb%9e%80-%eb%ac%b4%ec%97%87%ec%9d%b8%ea%b0%80%ec%9a%94","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9c%84%ec%83%81-%ec%9e%a0%ea%b8%88-%eb%a3%a8%ed%94%84pll%eb%9e%80-%eb%ac%b4%ec%97%87%ec%9d%b8%ea%b0%80%ec%9a%94\/","title":{"rendered":"\uc704\uc0c1 \uc7a0\uae08 \ub8e8\ud504(PLL)\ub780 \ubb34\uc5c7\uc778\uac00\uc694?"},"content":{"rendered":"<p class=\"sidekick\">\uc704\uc0c1 \uc7a0\uae08 \ub8e8\ud504(PLL)\ub294 \uc8fc\ud30c\uc218 \ub3d9\uae30\ud654 \uc2dc\uc2a4\ud15c\uc73c\ub85c, \uc804\uc790 \uc7a5\uce58\uc5d0\uc11c \uc2e0\ud638\uc758 \uc8fc\ud30c\uc218\ub97c \uc815\ud655\ud558\uac8c \ub9de\ucd94\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc704\uc0c1 \uc7a0\uae08 \ub8e8\ud504(PLL)\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n<p>\uc704\uc0c1 \uc7a0\uae08 \ub8e8\ud504(PLL, Phase-Locked Loop)\ub294 \uc804\uc790\uacf5\ud559\uacfc \ud1b5\uc2e0 \ubd84\uc57c\uc5d0\uc11c \uad11\ubc94\uc704\ud558\uac8c \uc0ac\uc6a9\ub418\ub294 \ud53c\ub4dc\ubc31 \uc81c\uc5b4 \uc2dc\uc2a4\ud15c\uc785\ub2c8\ub2e4. PLL\uc740 \uc8fc\ud30c\uc218\uc640 \uc704\uc0c1\uc744 \uc548\uc815\ud654\ud558\uace0 \ub3d9\uae30\ud654\ud558\ub294 \uae30\ub2a5\uc744 \uc218\ud589\ud558\uba70, \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 PLL\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc \ub3d9\uc791 \uc6d0\ub9ac\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>PLL\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c<\/h2>\n<p><u1><\/p>\n<li>\uc704\uc0c1 \uac80\ucd9c\uae30(Phase Detector)<\/li>\n<li>\uc800\uc5ed\ud1b5\uacfc \ud544\ud130(Low-Pass Filter)<\/li>\n<li>\uc804\uc555 \uc81c\uc5b4 \ubc1c\uc9c4\uae30(Voltage-Controlled Oscillator, VCO)<\/li>\n<li>\ud53c\ub4dc\ubc31 \ud68c\ub85c(Feedback Loop)<\/li>\n<p><\/u1><\/p>\n<h2>PLL\uc758 \ub3d9\uc791 \uc6d0\ub9ac<\/h2>\n<p>PLL\uc758 \ub3d9\uc791\uc744 \uc774\ud574\ud558\ub824\uba74 \uba3c\uc800 \uac01 \uad6c\uc131 \uc694\uc18c\uac00 \uc5b4\ub5a4 \uc5ed\ud560\uc744 \ud558\ub294\uc9c0 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><o1><\/p>\n<li><u>\uc704\uc0c1 \uac80\ucd9c\uae30<\/u>: \uc785\ub825 \uc2e0\ud638\uc640 VCO \ucd9c\ub825 \uc2e0\ud638\uc758 \uc704\uc0c1 \ucc28\uc774\ub97c \uac80\ucd9c\ud558\uc5ec \uc624\ub958 \uc2e0\ud638\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \uc624\ub958 \uc2e0\ud638\ub294 \ub450 \uc2e0\ud638 \uac04\uc758 \uc704\uc0c1 \ucc28\uc774\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<li><u>\uc800\uc5ed\ud1b5\uacfc \ud544\ud130<\/u>: \uc704\uc0c1 \uac80\ucd9c\uae30\uc5d0\uc11c \uc0dd\uc131\ub41c \uc624\ub958 \uc2e0\ud638\uc758 \uace0\uc8fc\ud30c \uc131\ubd84\uc744 \uc81c\uac70\ud558\uc5ec DC \uc131\ubd84\ub9cc \ub0a8\uae41\ub2c8\ub2e4. \uc774 DC \uc131\ubd84\uc740 \uc704\uc0c1 \uc624\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<li><u>\uc804\uc555 \uc81c\uc5b4 \ubc1c\uc9c4\uae30<\/u>: \uc800\uc5ed\ud1b5\uacfc \ud544\ud130\uc5d0\uc11c \ub098\uc628 DC \uc131\ubd84\uc5d0 \ub530\ub77c \ubc1c\uc9c4 \uc8fc\ud30c\uc218\ub97c \uc870\uc808\ud569\ub2c8\ub2e4. \uc989, \uc785\ub825 \uc804\uc555\uc5d0 \ube44\ub840\ud558\uc5ec \uc8fc\ud30c\uc218\uac00 \ubcc0\ud569\ub2c8\ub2e4.<\/li>\n<li><u>\ud53c\ub4dc\ubc31 \ud68c\ub85c<\/u>: VCO\uc758 \ucd9c\ub825 \uc2e0\ud638\ub97c \ub2e4\uc2dc \uc704\uc0c1 \uac80\ucd9c\uae30\ub85c \ubcf4\ub0b4 \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc774 \ud3d0\ub8e8\ud504(Feedback Loop)\ub97c \uc774\ub8e8\uac8c \ud569\ub2c8\ub2e4. \uc774 \ud53c\ub4dc\ubc31 \ud68c\ub85c\ub97c \ud1b5\ud574 \uc2dc\uc2a4\ud15c\uc740 \uc785\ub825 \uc2e0\ud638\uc758 \uc704\uc0c1\uacfc \uc8fc\ud30c\uc218\uc5d0 \ub3d9\uae30\ud654\ub429\ub2c8\ub2e4.<\/li>\n<p><\/o1><\/p>\n<h2>PLL\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p>PLL\uc740 \uc5ec\ub7ec \uac00\uc9c0 \uc2e4\uc6a9\uc801\uc778 \uc751\uc6a9 \ubd84\uc57c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uadf8 \uc911 \uba87 \uac00\uc9c0\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<p><u1><\/p>\n<li>\uc8fc\ud30c\uc218 \ud569\uc131\uae30(Frequency Synthesizer): \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub2e4\uc591\ud55c \uc8fc\ud30c\uc218\ub97c \uc0dd\uc131\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>\ud074\ub85d \ud68c\ubcf5(Clock Recovery): \ub370\uc774\ud130 \ud1b5\uc2e0\uc5d0\uc11c \uc2e0\ud638\uc758 \ud0c0\uc774\ubc0d \uc815\ubcf4\ub97c \ubcf5\uc6d0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>FM\/AM \ub514\ubaa8\ub4c8\ub808\uc774\uc158: \ub77c\ub514\uc624 \uc218\uc2e0\uae30\uc5d0\uc11c FM \ub610\ub294 AM \uc2e0\ud638\ub97c \ub514\ubaa8\ub4c8\ub808\uc774\ud2b8\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>\ubb34\uc120 \ud1b5\uc2e0: Wi-Fi, \ube14\ub8e8\ud22c\uc2a4 \ub4f1 \ubb34\uc120 \ud1b5\uc2e0 \uae30\uae30\uc5d0\uc11c \uc8fc\ud30c\uc218 \uc548\uc815\ud654\uc640 \ub3d9\uae30\ud654\ub97c \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<p><\/u1><\/p>\n<p>\uc774\uc640 \uac19\uc774 \uc704\uc0c1 \uc7a0\uae08 \ub8e8\ud504(PLL)\ub294 \ub2e4\uc591\ud55c \uc804\uc790 \ubc0f \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uba70, \uc8fc\ud30c\uc218\uc640 \uc704\uc0c1\uc744 \uc815\ubc00\ud558\uac8c \uc81c\uc5b4\ud558\uace0 \ub3d9\uae30\ud654\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ud574\ud558\uba74 \ud560\uc218\ub85d, PLL\uc758 \ubcf5\uc7a1\ud55c \uc2dc\uc2a4\ud15c\uc774 \uc5bc\ub9c8\ub098 \ub9ce\uc740 \uc7a5\uce58\ub4e4\uc758 \uc911\uc2ec\uc5d0 \uc788\ub294\uc9c0 \uc54c \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc704\uc0c1 \uc7a0\uae08 \ub8e8\ud504(PLL)\ub294 \uc8fc\ud30c\uc218 \ub3d9\uae30\ud654 \uc2dc\uc2a4\ud15c\uc73c\ub85c, \uc804\uc790 \uc7a5\uce58\uc5d0\uc11c \uc2e0\ud638\uc758 \uc8fc\ud30c\uc218\ub97c \uc815\ud655\ud558\uac8c \ub9de\ucd94\ub294 \ub370 \uc0ac\uc6a9\ub429\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-212839","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>\uc704\uc0c1 \uc7a0\uae08 \ub8e8\ud504(PLL)\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/title>\n<meta name=\"description\" content=\"\uc704\uc0c1 \uc7a0\uae08 \ub8e8\ud504(PLL)\ub294 \uc8fc\ud30c\uc218 \ub3d9\uae30\ud654 \uc2dc\uc2a4\ud15c\uc73c\ub85c, \uc804\uc790 \uc7a5\uce58\uc5d0\uc11c \uc2e0\ud638\uc758 \uc8fc\ud30c\uc218\ub97c \uc815\ud655\ud558\uac8c \ub9de\ucd94\ub294 \ub370 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