{"id":148528,"date":"2024-04-27T16:41:34","date_gmt":"2024-04-27T16:41:34","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ed%91%9c%eb%a9%b4-%ec%9d%8c%ed%96%a5%ed%8c%8c-%ed%95%84%ed%84%b0\/"},"modified":"2024-04-27T16:41:42","modified_gmt":"2024-04-27T16:41:42","slug":"%ed%91%9c%eb%a9%b4-%ec%9d%8c%ed%96%a5%ed%8c%8c-%ed%95%84%ed%84%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ed%91%9c%eb%a9%b4-%ec%9d%8c%ed%96%a5%ed%8c%8c-%ed%95%84%ed%84%b0\/","title":{"rendered":"\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130"},"content":{"rendered":"<p class=\"sidekick\">\ud45c\uba74 \uc74c\ud5a5\ud30c(SAW) \ud544\ud130\ub294 \uace0\uc8fc\ud30c \ud68c\ub85c\uc5d0\uc11c \ud2b9\uc815 \uc8fc\ud30c\uc218\ub97c \uc120\ud0dd\uc801\uc73c\ub85c \ud1b5\uacfc\uc2dc\ud0a4\ub294 \ubd80\ud488\uc73c\ub85c, \ubb34\uc120\ud1b5\uc2e0 \uae30\uc220\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ud45c\uba74-\uc74c\ud5a5\ud30c-\ud544\ud130.png\" alt=\"\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\"\/><\/p>\n<h2>\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\uc758 \uae30\ubcf8 \uc774\ud574<\/h2>\n<p>\uc804\uc790 \uae30\uae30\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ub2e4\uc591\ud55c \uc2e0\ud638\ub4e4 \uc0ac\uc774\uc5d0\uc11c \uc6d0\ud558\ub294 \uc2e0\ud638\ub9cc\uc744 \uc120\ud0dd\uc801\uc73c\ub85c \ud1b5\uacfc\uc2dc\ud0a4\uac70\ub098 \ubd88\ud544\uc694\ud55c \uc2e0\ud638\ub97c \uac78\ub7ec\ub0b4\ub294 \uc791\uc5c5\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc5ed\ud560\uc744 \ud558\ub294 \uc911\uc694\ud55c \ubd80\ud488 \uc911 \ud558\ub098\uac00 \ud45c\uba74 \uc74c\ud5a5\ud30c(Surface Acoustic Wave, SAW) \ud544\ud130\uc785\ub2c8\ub2e4. \ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\ub294 \uc804\uc790\uae30\uae30\uc758 \uace0\uc8fc\ud30c \ud68c\ub85c\uc5d0\uc11c, \ud2b9\uc815 \uc8fc\ud30c\uc218\uc758 \uc2e0\ud638\ub97c \uc120\ud0dd\uc801\uc73c\ub85c \ud1b5\uacfc\uc2dc\ud0a4\ub294 \uc7a5\uce58\ub85c \ub110\ub9ac \uc4f0\uc785\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 TV, \ub77c\ub514\uc624, \ud734\ub300\ud3f0 \ub4f1\uc5d0\uc11c \uace0\uc8fc\ud30c \ud544\ud130\ub85c\uc11c\uc758 \uc5ed\ud560\uc744 \ud558\uace0 \uc788\uc73c\uba70, \ud2b9\ud788 \ubb34\uc120\ud1b5\uc2e0 \uae30\uc220\uc758 \ubc1c\uc804\uacfc \ud568\uaed8 \uadf8 \uc911\uc694\uc131\uc774 \ub354\uc6b1 \ub192\uc544\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \ud30c\uc774\uc870 \uc804\uae30 \uc18c\uc7ac\ub85c \ub9cc\ub4e4\uc5b4\uc9c4 \uae30\ud310 \uc704\uc5d0 \uc778\ud130\ub514\uc9c0\ud138 \ud2b8\ub79c\uc2a4\ub4c0\uc11c(IDT)\ub97c \uac16\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud30c\uc774\uc870 \uc804\uae30 \ud6a8\uacfc\ub780 \ud2b9\uc815 \uc18c\uc7ac\uc5d0 \uae30\uacc4\uc801\uc778 \uc555\ub825\uc744 \uac00\ud588\uc744 \ub54c \uc804\uae30\uc801\uc778 \uc804\uc555\uc774 \ubc1c\uc0dd\ud558\ub294 \ud604\uc0c1\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774\ub97c \uc774\uc6a9\ud558\uc5ec IDT\ub294 \uc804\uae30 \uc2e0\ud638\ub97c \uae30\uacc4\uc801\uc778 \ud45c\uba74 \uc74c\ud5a5\ud30c\ub85c \ubcc0\ud658\ud558\uace0, \uc774 \ud30c\ub3d9\uc774 \uae30\ud310\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\ub3c4\ub85d \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc778\ud130\ub514\uc9c0\ud138 \ud2b8\ub79c\uc2a4\ub4c0\uc11c(IDT):<\/strong> \uc804\uae30 \uc2e0\ud638\ub97c \uc74c\ud5a5\ud30c\ub85c \ubcc0\ud658\ud558\uac70\ub098 \ubc18\ub300\ub85c \uc74c\ud5a5\ud30c\ub97c \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. IDT\ub294 \uae08\uc18d \uc2a4\ud2b8\ub9bd(\uc804\uadf9)\uc774 \uad50\ucc28\ud558\ub294 \ud615\ud0dc\ub85c \ubc30\uce58\ub418\uc5b4 \uc788\uc73c\uba70, \uc774 \uc804\uadf9\ub4e4 \uc0ac\uc774\uc5d0 \uc804\uae30 \uc2e0\ud638\uac00 \uc778\uac00\ub420 \ub54c \uc74c\ud5a5\ud30c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud30c\uc774\uc870 \uc804\uae30 \uc18c\uc7ac \uae30\ud310:<\/strong> \uc74c\ud5a5\ud30c\uac00 \uc804\ud30c\ub418\ub294 \ubb3c\ub9ac\uc801\uc778 \ub9e4\uccb4\ub85c, \uc774 \uae30\ud310\uc744 \ud1b5\ud574 \ubc1c\uc0dd\ud55c \uc74c\ud5a5\ud30c\uac00 \ud1b5\uacfc\ud558\uba74\uc11c \uc5b4\ub5a4 \uc8fc\ud30c\uc218\ub97c \uac00\uc9c4 \uc2e0\ud638\ub294 \uac15\ud654\ub418\uace0 \ub2e4\ub978 \uc2e0\ud638\ub294 \uc57d\ud654\ub418\uac70\ub098 \uac78\ub7ec\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>IDT\uc5d0\uc11c \ubc1c\uc0dd\ud55c \ud45c\uba74 \uc74c\ud5a5\ud30c\ub294 \uae30\ud310 \uc704\ub97c \uc804\ud30c\ud558\uba74\uc11c \ub3d9\uc77c\ud55c IDT \ub610\ub294 \ub2e4\ub978 IDT\uc5d0 \uc758\ud574 \ub2e4\uc2dc \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\ud658 \uacfc\uc815\uc5d0\uc11c, \ud2b9\uc815 \uc8fc\ud30c\uc218\uc758 \ud30c\ub3d9\ub9cc\uc774 \uac15\ud654\ub418\uc5b4 \uc804\ub2ec\ub418\ubbc0\ub85c, \ud544\ud130\ub9c1 \ud6a8\uacfc\ub97c \ub0b3\uac8c \ub429\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \ud544\ud130\uc758 \uc124\uacc4\uc640 IDT\uc758 \uad6c\uc870\uc5d0 \ub530\ub77c \uacb0\uc815\ub418\ub294\ub370, \ud2b9\uc815 \uc8fc\ud30c\uc218 \ub300\uc5ed\uc744 \uc120\ud0dd\uc801\uc73c\ub85c \uc804\ub2ec\ud558\uac70\ub098 \uac70\ubd80\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \ud615\ud0dc\uc758 IDT\uc640 \uae30\ud310 \uc124\uacc4\uac00 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\uc758 \uc8fc\uc694 \ud2b9\uc131<\/h2>\n<p>\n\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uba87 \uac00\uc9c0 \uc8fc\uc694 \ud2b9\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc120\ud0dd\ub3c4(Selectivity):<\/strong> \ud544\ud130\uac00 \uc5bc\ub9c8\ub098 \uc815\ud655\ud558\uac8c \ud2b9\uc815 \uc8fc\ud30c\uc218 \ub300\uc5ed\uc744 \uac78\ub7ec\ub0b4\ub294\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub192\uc740 \uc120\ud0dd\ub3c4\ub294 \ub354\uc6b1 \uc120\uba85\ud55c \uc2e0\ud638 \ubd84\ub9ac\ub97c \uac00\ub2a5\ud558\uac8c \ud558\uba70, \uc2e0\ud638\uc758 \ud488\uc9c8\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc0bd\uc785 \uc190\uc2e4(Insertion Loss):<\/strong> \ud544\ud130\ub97c \ud1b5\uacfc\ud560 \ub54c \uc2e0\ud638\uac00 \uc5bc\ub9c8\ub098 \uc57d\ud574\uc9c0\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294\ub370, \ub0ae\uc740 \uc0bd\uc785 \uc190\uc2e4\uc774 \ubc14\ub78c\uc9c1\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc791\ub3d9 \uc8fc\ud30c\uc218 \ubc94\uc704:<\/strong> \ud544\ud130\uac00 \uc81c\ub300\ub85c \uc791\ub3d9\ud558\ub294 \uc8fc\ud30c\uc218\uc758 \ubc94\uc704\ub85c, \ud1b5\uc2e0 \uae30\uae30\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \uc8fc\ud30c\uc218 \ub300\uc5ed\uc774 \uc694\uad6c\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\uc758 \uc774\ub7ec\ud55c \ud2b9\uc131\uc740 \uae30\uae30\uc758 \uc131\ub2a5\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c, \ud544\ud130\ub294 \uc18c\uc790\uc758 \ud06c\uae30, \uc120\ud0dd\ub3c4, \uc0bd\uc785 \uc190\uc2e4\uc744 \ucd5c\uc801\ud654\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\uc758 \ubb3c\ub9ac\uc801\uc778 \uc6d0\ub9ac\uc640 \uae30\ubcf8 \ud2b9\uc131\uc5d0 \ub300\ud55c \uc774\ud574\ub294 \ud604\ub300 \uc804\uc790\uae30\uae30\uc758 \uc124\uacc4\uc640 \uae30\ub2a5\uc744 \uc774\ud574\ud558\ub294 \ub370 \uc911\uc694\ud55c \uccab\uac78\uc74c\uc785\ub2c8\ub2e4. <\/p>\n<h2>SAW \ud544\ud130\uc758 \uc8fc\uc694 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p>SAW \ud544\ud130\ub294 \uadf8 \ud2b9\uc131 \ub54c\ubb38\uc5d0 \uc5ec\ub7ec \uc804\uc790\uae30\uae30\uc5d0\uc11c \ud3ed\ub113\uac8c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uac00\uc7a5 \ub300\ud45c\uc801\uc778 \uc608\ub294 \ud734\ub300\ud3f0\uc5d0\uc11c\uc758 \uc0ac\uc6a9\uc774\uba70, \ud734\ub300\ud3f0\uc740 \ubc94\uc704\uac00 \ub2e4\uc591\ud55c \uc8fc\ud30c\uc218 \ub300\uc5ed\uc5d0\uc11c \uc218\uc2e0\ud558\uace0 \ubc1c\uc2e0\ud574\uc57c \ud558\ubbc0\ub85c \ub9e4\uc6b0 \uc815\ubc00\ud55c \ud544\ud130\ub9c1\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c, \ubb34\uc120 \ub124\ud2b8\uc6cc\ud06c\uc758 \uae30\uc9c0\uad6d, \uc704\uc131 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c, \uad70\uc0ac \ud1b5\uc2e0 \uc7a5\ube44 \ub4f1\uc5d0\uc11c\ub3c4 \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\ub85c \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud1b5\uc2e0:<\/strong> \ud734\ub300\ud3f0\uc774\ub098 \ubb34\uc120\ub79c(WLAN) \ub4f1 \ud1b5\uc2e0 \uc7a5\ube44\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \uc8fc\ud30c\uc218\uc758 \uc2e0\ud638\ub97c \uc218\uc2e0\ud558\uace0 \uc804\uc1a1\ud558\uae30 \ub54c\ubb38\uc5d0, \uac04\uc12d\uc744 \ubc29\uc9c0\ud558\uace0 \uc2e0\ud638\uc758 \ud488\uc9c8\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 SAW \ud544\ud130\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ubc29\uc1a1:<\/strong> TV\ub098 \ub77c\ub514\uc624 \ubc29\uc1a1 \uc218\uc2e0\uae30\uc5d0\uc11c\ub294 SAW \ud544\ud130\ub97c \uc774\uc6a9\ud558\uc5ec \ud2b9\uc815 \ucc44\ub110\uc758 \uc2e0\ud638\ub9cc\uc744 \uc120\ud0dd\uc801\uc73c\ub85c \uc218\uc2e0\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc790\ub3d9\ucc28:<\/strong> \ucd5c\uc2e0 \uc790\ub3d9\ucc28\ub4e4\uc758 \ud0a4\ub9ac\uc2a4 \uc2dc\uc2a4\ud15c\uc774\ub098 \ud0c0\uc774\uc5b4 \uc555\ub825 \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c(TPMS)\uc5d0\uc11c\ub3c4 SAW \ud544\ud130\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774 \uc678\uc5d0 \uace0\uc815\ubc00 \uc2dc\uacc4 \ud68c\ub85c\ub098 \uc758\ub8cc \uae30\uae30 \ub4f1 \ub2e4\uc591\ud55c \uae30\uc220 \ubd84\uc57c\uc5d0\uc11c SAW \ud544\ud130\uc758 \ud65c\uc6a9 \uac00\ub2a5\uc131\uc774 \ud0d0\uc0c9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc810\uc810 \ub354 \ub9ce\uc740 \uc804\uc790\uae30\uae30\uac00 \ubb34\uc120 \uae30\ub2a5\uc744 \ud544\uc694\ub85c \ud558\ub294 \ud604\ub300 \uc0ac\ud68c\uc5d0\uc11c SAW \ud544\ud130\uc758 \uc911\uc694\uc131\uc740 \uacc4\uc18d\ud574\uc11c \uc99d\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ub9fa\uc74c\ub9d0<\/h2>\n<p>\ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\ub294 \uace0\ub3c4\ub85c \ubc1c\ub2ec\ub41c \uc804\uc790 \ud1b5\uc2e0 \uae30\uc220\uc758 \ud575\uc2ec \uc694\uc18c\uc785\ub2c8\ub2e4. \uadf8\uac83\uc758 \uc791\ub3d9 \uc6d0\ub9ac\uc640 \ud2b9\uc131, \uadf8\ub9ac\uace0 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub300\ud55c \uc774\ud574\ub97c \ud1b5\ud574, \uc6b0\ub9ac\ub294 \ud604\ub300\uc758 \uc804\uc790\uae30\uae30\uac00 \uc5b4\ub5bb\uac8c \ud6a8\uc728\uc801\uc778 \ud1b5\uc2e0\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294\uc9c0\ub97c \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. SAW \ud544\ud130\ub294 \ub192\uc740 \uc120\ud0dd\ub3c4\uc640 \ub0ae\uc740 \uc0bd\uc785 \uc190\uc2e4, \uadf8\ub9ac\uace0 \uc801\uc808\ud55c \uc791\ub3d9 \uc8fc\ud30c\uc218 \ubc94\uc704\ub97c \uac00\uc9c0\uace0, \uc774\ub97c \ud1b5\ud574 \uc804\uc790\uae30\uae30\uac00 \ub2e4\uc591\ud55c \uc804\uc790\uc801 \uac04\uc12d\uc744 \uac70\uccd0\ub3c4 \uc548\uc815\uc801\uc73c\ub85c \ud1b5\uc2e0\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \uc810\uc5d0\uc11c \ud45c\uba74 \uc74c\ud5a5\ud30c \ud544\ud130\ub294 \uc804\uc790\uacf5\ud559\uacfc \ud1b5\uc2e0\uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c \uc9c0\uc18d\uc801\uc778 \uc5f0\uad6c\uc640 \uac1c\uc120\uc774 \uc694\uad6c\ub418\ub294 \ubd80\ud488\uc785\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \uae30\uc220\uc758 \ubc1c\uc804\uacfc \ud568\uaed8 \ub354\uc6b1 \uc9c4\ubcf4\ub41c SAW \ud544\ud130\uc758 \uc124\uacc4\uc640 \uc751\uc6a9\uc774 \uae30\ub300\ub429\ub2c8\ub2e4. \uc774\ub294 \ub354\uc6b1 \ub192\uc740 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