{"id":148596,"date":"2024-04-27T16:51:37","date_gmt":"2024-04-27T16:51:37","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/uhf-%ec%bb%a4%eb%84%a5%ed%84%b0\/"},"modified":"2024-04-27T16:51:45","modified_gmt":"2024-04-27T16:51:45","slug":"uhf-%ec%bb%a4%eb%84%a5%ed%84%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/uhf-%ec%bb%a4%eb%84%a5%ed%84%b0\/","title":{"rendered":"UHF \ucee4\ub125\ud130"},"content":{"rendered":"<p class=\"sidekick\">UHF \ucee4\ub125\ud130\uc5d0 \ub300\ud55c \uae30\ucd08, \uad6c\uc870, \ud2b9\uc131 \ubc0f \uc0ac\uc6a9 \uc8fc\ud30c\uc218 \ubc94\uc704 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\uba70 \uc804\uae30 \uc2e0\ud638 \uc804\uc1a1\uc5d0 \uc788\uc5b4 \uc911\uc694\uc131\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/UHF-\ucee4\ub125\ud130.png\" alt=\"UHF \ucee4\ub125\ud130\"\/><\/p>\n<h2>UHF \ucee4\ub125\ud130\uc758 \uae30\ucd08<\/h2>\n<p>UHF \ucee4\ub125\ud130\ub294 \ucd08\uace0\uc8fc\ud30c(Ultra-High Frequency, UHF) \uc2e0\ud638\ub97c \uc804\uc1a1\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uc804\uae30 \ucee4\ub125\ud130\uc758 \uc77c\uc885\uc785\ub2c8\ub2e4. \ud1b5\uc2e0 \uae30\uc220\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\ub294 \uc774 \ucee4\ub125\ud130\ub294 \ud2b9\ud788 \ubb34\uc120 \uc1a1\uc218\uc2e0\uae30\uc640 \uc548\ud14c\ub098\ub97c \uc5f0\uacb0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\uba70 \uc8fc\ub85c \uc544\ub9c8\ucd94\uc5b4 \ub77c\ub514\uc624, \uc624\ub514\uc624\/\ube44\ub514\uc624 \uc7a5\ube44, CB \ub77c\ub514\uc624, \uadf8\ub9ac\uace0 \ub2e4\uc591\ud55c \ud14c\uc2a4\ud2b8 \uc7a5\ube44\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>UHF \ucee4\ub125\ud130\uc758 \uad6c\uc870\uc640 \ud2b9\uc9d5<\/h2>\n<p>UHF \ucee4\ub125\ud130\ub294 \uc18c\ucf13(\uc554\ucee4\ub125\ud130)\uacfc \ud50c\ub7ec\uadf8(\uc218\ucee4\ub125\ud130) \ub450 \ubd80\ubd84\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4. \uc774 \ucee4\ub125\ud130\ub4e4\uc740 \ud2bc\ud2bc\ud55c \uad6c\uc870\uc640 \uc26c\uc6b4 \uc811\uc18d \ubc29\uc2dd\uc73c\ub85c \uc778\uae30\ub97c \uc5bb\uc5c8\uc2b5\ub2c8\ub2e4. \uc8fc\uc694 \uad6c\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><b>\ub0b4\ubd80 \ub3c4\uccb4(Inner Conductor):<\/b> \uc2e0\ud638\ub97c \uc804\ub2ec\ud558\ub294 \uc911\uc559 \ubd80\ubd84\uc73c\ub85c, \ud50c\ub7ec\uadf8\uc5d0\uc11c\ub294 \ud540 \uad6c\uc870, \uc18c\ucf13\uc5d0\uc11c\ub294 \uad6c\uba4d \uad6c\uc870\ub97c \uac00\uc9d1\ub2c8\ub2e4.<\/li>\n<li><b>\uc808\uc5f0\uccb4(Insulator):<\/b> \ub0b4\ubd80 \ub3c4\uccb4\uc640 \uc678\ubd80 \ub3c4\uccb4 \uc0ac\uc774\ub97c \uc808\uc5f0\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc7ac\ub8cc \uc120\ud0dd\uc740 \uc804\uae30\uc801 \ud2b9\uc131\uc740 \ubb3c\ub860 \uae30\uacc4\uc801 \uc548\uc815\uc131\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><b>\uc678\ubd80 \ub3c4\uccb4(Outer Conductor):<\/b> \uc77c\ubc18\uc801\uc73c\ub85c \uae08\uc18d\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9c0\uba70, \uc2e0\ud638\uc758 \uc274\ub4dc \uc5ed\ud560\uc744 \ud558\uace0 \uae30\uacc4\uc801\uc73c\ub85c \ucee4\ub125\ud130\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4. \uc18c\ucf13\uc5d0\uc11c\ub294 \ubcf4\ud1b5 \ub098\uc0ac \ud615\ud0dc\ub85c \ub418\uc5b4\uc788\uc5b4 \ud50c\ub7ec\uadf8\uc640 \uacb0\ud569\ud560 \ub54c \uacac\uace0\ud558\uac8c \uace0\uc815\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>UHF \ucee4\ub125\ud130\uc758 \uc0ac\uc6a9\uc8fc\ud30c\uc218 \ubc94\uc704<\/h2>\n<p>UHF \ucee4\ub125\ud130\ub294 \uc774\ub984\uc5d0\uc11c \uc54c \uc218 \uc788\ub4ef\uc774 \uc8fc\ub85c \ucd08\uace0\uc8fc\ud30c \ub300\uc5ed\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c\ub294 300MHz\uc5d0\uc11c \ucd5c\ub300 3GHz \ubc94\uc704\uc758 \uc8fc\ud30c\uc218\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc9c0\ub9cc, \ucee4\ub125\ud130\uc758 \uc815\ud655\ud55c \uc8fc\ud30c\uc218 \ud55c\uacc4\ub294 \uc81c\uc870\uc0ac\uc640 \ucee4\ub125\ud130\uc758 \uc124\uacc4\uc5d0 \ub530\ub77c \ub2e4\uc18c \ucc28\uc774\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. UHF \ucee4\ub125\ud130\ub294 \uadf8 \uc8fc\ud30c\uc218 \ubc94\uc704 \ub54c\ubb38\uc5d0 \uc120\uba85\ub3c4\uac00 \uc911\uc694\ud558\uc9c0 \uc54a\uc740 \ub0ae\uc740 \uc8fc\ud30c\uc218 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<h2>UHF \ucee4\ub125\ud130\uc758 \uc911\uc694\ud55c \ub9e4\uac1c\ubcc0\uc218<\/h2>\n<p>UHF \ucee4\ub125\ud130\uc758 \uc131\ub2a5\uc744 \uacb0\uc815\ud558\ub294 \uba87 \uac00\uc9c0 \uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li><b>\uc784\ud53c\ub358\uc2a4(Impedance):<\/b> \ucee4\ub125\ud130\uc640 \uc5f0\uacb0\ub41c \ucf00\uc774\ube14\uc758 \uc804\uae30\uc801 \uc784\ud53c\ub358\uc2a4\ub97c \uc77c\uce58\uc2dc\ucf1c\uc57c \ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 UHF \ucee4\ub125\ud130\ub294 50\uc634 \ub610\ub294 75\uc634\uc5d0\uc11c \ub3d9\uc791\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\ubc18\uc0ac \uc190\uc2e4(Return loss) \ub610\ub294 \uc815\uc7ac\ud30c\ube44(Standing Wave Ratio, SWR):<\/b> \uc2e0\ud638\uc758 \uc77c\ubd80\uac00 \ucee4\ub125\ud130\uc5d0\uc11c \ubc18\uc0ac\ub418\ub294 \uac83\uc744 \ub098\ud0c0\ub0b4\ub294 \uc9c0\ud45c\uc785\ub2c8\ub2e4. SWR\uc774 \ub0ae\uc744\uc218\ub85d \ub354 \uc88b\uc740 \uc131\ub2a5\uc744 \ub73b\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\uc8fc\ud30c\uc218 \ubc94\uc704(Frequency range):<\/b> \ucee4\ub125\ud130\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \ub3d9\uc791\ud560 \uc218 \uc788\ub294 \uc8fc\ud30c\uc218 \ubc94\uc704\uc785\ub2c8\ub2e4. \uc774 \ubc94\uc704 \ubc16\uc5d0\uc11c\ub294 \uc131\ub2a5\uc774 \uc800\ud558\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774\ucc98\ub7fc UHF \ucee4\ub125\ud130\ub294 \uc804\uae30 \uc2e0\ud638\ub97c \uc548\uc815\uc801\uc73c\ub85c \uc804\uc1a1\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \ubd80\ud488\uc73c\ub85c, \uadf8 \uc124\uacc4\uc640 \ud2b9\uc131\uc774 \uc2e0\ud638\uc758 \ud488\uc9c8\uacfc \uc804\uc1a1 \ud6a8\uc728\uc5d0 \uc911\uc694\ud55c \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub2e4\uc74c \uc139\uc158\uc5d0\uc11c\ub294 UHF \ucee4\ub125\ud130\uc758 \uc2e4\uc81c \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uacfc \uccb4\uacc4\uc801\uc778 \uc124\uce58 \ubc29\ubc95\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>UHF \ucee4\ub125\ud130\uc758 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158<\/h2>\n<p>UHF \ucee4\ub125\ud130\ub294 \ub2e4\uc591\ud55c \ud1b5\uc2e0 \uc7a5\ube44\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub300\ud45c\uc801\uc73c\ub85c\ub294 \uc544\ub798\uc640 \uac19\uc740 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc544\ub9c8\ucd94\uc5b4 \ub77c\ub514\uc624 \uc5ed\uc0ac\ub4e4\uc774 \ud1b5\uc2e0\uc6a9 \uc548\ud14c\ub098\uc5d0 \uc5f0\uacb0\ud558\uae30 \uc704\ud574<\/li>\n<li>CB \ub77c\ub514\uc624 \uc7a5\ube44\uc5d0\uc11c \uc2e0\ud638 \uc804\uc1a1<\/li>\n<li>\ud14c\uc2a4\ud2b8 \uc7a5\ube44\ub97c \ud1b5\ud55c \uc8fc\ud30c\uc218 \uce21\uc815\uae30\ub098 \uc2e0\ud638 \ubc1c\uc0dd\uae30\uc640\uc758 \uc5f0\uacb0<\/li>\n<li>TV \uc548\ud14c\ub098 \uc5f0\uacb0\uc5d0\uc11c \uc77c\ubd80 \uc800\uc8fc\ud30c \ud1b5\uc2e0<\/li>\n<\/ul>\n<p>\ud6a8\uc728\uc801\uc778 \uc2e0\ud638 \uc804\uc1a1\uc744 \uc704\ud574 \uc124\uacc4\ub41c UHF \ucee4\ub125\ud130\ub294 \ud2b9\ud788 \uc2e0\ud638 \uc190\uc2e4\uc774 \ubbfc\uac10\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4. \ubfd0\ub9cc \uc544\ub2c8\ub77c, \ud3b8\ub9ac\ud55c \uc0ac\uc6a9\uacfc \uacac\uace0\ud55c \uad6c\uc870 \ub54c\ubb38\uc5d0 \ud604\uc7a5\uc5d0\uc11c \uae30\uc220\uc790\ub4e4\uc5d0\uac8c \uc120\ud638\ub418\ub294 \ucee4\ub125\ud130 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n<h2>UHF \ucee4\ub125\ud130\uc758 \uccb4\uacc4\uc801\uc778 \uc124\uce58 \ubc29\ubc95<\/h2>\n<p>UHF \ucee4\ub125\ud130\ub97c \uc124\uce58\ud560 \ub54c\ub294 \uba87 \uac00\uc9c0 \uc911\uc694\ud55c \ub2e8\uacc4\ub97c \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\ucf00\uc774\ube14 \uc900\ube44: \ucf00\uc774\ube14\uc758 \uc678\ubd80 \ucf54\ud305\uc744 \uc801\uc808\ud558\uac8c \ubc97\uaca8 \ub0b4\ubd80 \ub3c4\uccb4\uc640 \uc678\ubd80 \ub3c4\uccb4\uac00 \ub4dc\ub7ec\ub098\ub3c4\ub85d \ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\ucf00\uc774\ube14 \uc0bd\uc785: \uc900\ube44\ub41c \ucf00\uc774\ube14\uc744 \ucee4\ub125\ud130\uc5d0 \uc62c\ubc14\ub974\uac8c \uc0bd\uc785\ud569\ub2c8\ub2e4.<\/li>\n<li>\uace0\uc815: \ub0b4\ubd80 \ub3c4\uccb4\uc640 \uc678\ubd80 \ub3c4\uccb4\ub97c \ucee4\ub125\ud130\uc640 \uc815\ud655\ud558\uac8c \ub9de\ucd94\uace0 \ub2e8\ub2e8\ud788 \uace0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li>\ud14c\uc2a4\ud2b8: \uc124\uce58\uac00 \uc644\ub8cc\ub41c \ud6c4\uc5d0\ub294 \ubc18\uc0ac \uc190\uc2e4 \ubc0f SWR\uc744 \uce21\uc815\ud558\uc5ec \ucee4\ub125\ud130\uc758 \uc131\ub2a5\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774\ub7ec\ud55c \uacfc\uc815\uc744 \uccb4\uacc4\uc801\uc73c\ub85c \ub530\ub984\uc73c\ub85c\uc368 \uc548\uc815\uc801\uc778 UHF \ucee4\ub125\ud130\uc758 \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>UHF \ucee4\ub125\ud130\ub294 \ub2e4\uc591\ud55c \ud1b5\uc2e0 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc81c\ub300\ub85c \uc124\uacc4\ub418\uace0 \uc0ac\uc6a9\ub418\uba74 \uc2e0\ud638 \uc190\uc2e4\uc744 \ucd5c\uc18c\ud654\ud558\uace0, \uc804\ud30c\uc758 \uc131\ub2a5\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4. \uc774\uc5d0 \ub530\ub77c, UHF \ucee4\ub125\ud130\ub294 \uc5f0\uacb0\uc758 \uc2e0\ub8b0\ub3c4\ub97c \ub192\uc774\uace0 \ud1b5\uc2e0\uc758 \ud488\uc9c8\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \ubd80\ud488\uc785\ub2c8\ub2e4. \uc0ac\uc6a9\uc8fc\ud30c\uc218 \ubc94\uc704, \uc784\ud53c\ub358\uc2a4 \ub9e4\uce6d, \ub0ae\uc740 \ubc18\uc0ac \uc190\uc2e4 \uac19\uc740 \uc911\uc694\ud55c \ub9e4\uac1c\ubcc0\uc218\ub4e4\uc744 \uc774\ud574\ud558\uace0 \uccb4\uacc4\uc801\uc778 \uc124\uce58 \uc808\ucc28\ub97c \ub530\ub984\uc73c\ub85c\uc368 \ucd5c\uc801\uc758 \uacb0\uacfc\ub97c \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 UHF \ucee4\ub125\ud130\uc758 \uc774\ub7ec\ud55c \uc9c0\uc2dd\uc744 \ubc14\ud0d5\uc73c\ub85c \ub354\uc6b1 \uc548\uc815\uc801\uc774\uace0 \ud6a8\uc728\uc801\uc778 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c \uad6c\ucd95\uc744 \ub3c4\ubaa8\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UHF \ucee4\ub125\ud130\uc5d0 \ub300\ud55c \uae30\ucd08, \uad6c\uc870, \ud2b9\uc131 \ubc0f \uc0ac\uc6a9 \uc8fc\ud30c\uc218 \ubc94\uc704 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\uba70 \uc804\uae30 \uc2e0\ud638 \uc804\uc1a1\uc5d0 \uc788\uc5b4 \uc911\uc694\uc131\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":187004,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-148596","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>UHF \ucee4\ub125\ud130 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"UHF \ucee4\ub125\ud130\uc5d0 \ub300\ud55c \uae30\ucd08, \uad6c\uc870, \ud2b9\uc131 \ubc0f \uc0ac\uc6a9 \uc8fc\ud30c\uc218 \ubc94\uc704 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\uba70 \uc804\uae30 \uc2e0\ud638 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