{"id":3438,"date":"2024-01-12T12:22:28","date_gmt":"2024-01-12T03:22:28","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=3438"},"modified":"2024-01-13T01:00:55","modified_gmt":"2024-01-12T16:00:55","slug":"%ea%b3%b5%eb%b6%80-se-%ec%b6%9c%eb%a0%a5-%ec%8a%a4%ed%85%8c%ec%9d%b4%ec%a7%80","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=3438","title":{"rendered":"(\uacf5\ubd80) SE \ucd9c\ub825 \uc2a4\ud14c\uc774\uc9c0"},"content":{"rendered":"\n<p>SE \ucd9c\ub825\ub2e8\uc740 PP\ucc98\ub7fc \uc9dd\uc218\ucc28 \ubc30\uc74c\uc744 \uc81c\uac70\ud558\uc9c0 \uc54a\uace0, 5\uadf9\uad00\/\ube54\uad00\uc740 \ud640\uc218\ucc28 \ubc30\uc74c\uc744 \uc9c0\ubc30\uc801\uc73c\ub85c \ub9cc\ub4dc\ub294 \uacbd\ud5a5\uc774 \uc788\uc73c\ubbc0\ub85c SE \uc570\ud504\uc5d0\uc11c\ub294 \ubaa8\ub4e0 \ucc28\uc218\uc758 \ubc30\uc74c\uc744 \ubcfc \uac00\ub2a5\uc131\uc774 \ub192\uc74c.<\/p>\n\n\n\n<p><strong>Initial Criteria<\/strong><\/p>\n\n\n\n<p>\ud504\ub9ac\uc5d0 5\uadf9\uad00\uc744 \uc4f0\ub294 \uac83\uacfc \ub2e4\ub978 \uc810\uc740 \ud50c\ub808\uc774\ud2b8 \ubd80\ud558\ub85c \ud2b8\ub79c\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83 \ubfd0\uc784. \uc124\uacc4\ub97c \uc2dc\uc791\ud560 \ub54c \ub450 \uac00\uc9c0\ub97c \uace0\ub824\ud558\uac8c \ub428.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubb34\uc2a8 \uc18c\ub9ac\ub97c \uc5bb\uc73c\ub824\uace0 \ud558\ub294\uac00?<\/li>\n\n\n\n<li>\uc5bc\ub9c8\ub098 \ucd9c\ub825\uc744 \uc5bb\uc73c\ub824\uace0 \ud558\ub294\uac00?<\/li>\n<\/ul>\n\n\n\n<p>\uc774 \ub450\uac00\uc9c0 \uc9c8\ubb38\uc774 \ucd9c\ub825\uad00\uc744 \uacb0\uc815\ud558\uae30 \ub54c\ubb38\uc5d0 \uc911\uc694\ud568. \ucd9c\ub825\uad00\uc774 \uc815\ud574\uc9c0\uba74 \uc804\uc6d0\ubd80\uc640 \ucd9c\ub825\ub2e8 \ub098\uba38\uc9c0 \ubd80\ubd84\uc774 \ub530\ub77c\uc624\uae30 \ub9c8\ub828\uc778\ub370, \ubc18\ub300\ub85c HT \uc804\uc555\uacfc \ud2b8\ub79c\uc2a4\uc758 \uc804\ub958\uac00 \uc815\ud574\uc838 \uc788\uc73c\uba74 \ubc18\ub300\ub85c \uac70\uae30\uc5d0\uc11c \ucd9c\ub825\uad00\uc744 \uc815\ud558\uac8c \ub420 \uc218\ub3c4 \uc788\uc74c.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-dominant-color=\"d1d1d1\" data-has-transparency=\"false\" style=\"--dominant-color: #d1d1d1;\" loading=\"lazy\" decoding=\"async\" width=\"148\" height=\"324\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-24.png\" alt=\"\" class=\"wp-image-3439 not-transparent\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-24.png 148w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-24-69x150.png 69w\" sizes=\"auto, (max-width: 148px) 100vw, 148px\" \/><\/figure>\n<\/div>\n\n\n<p>10W SE \uc570\ud504\ub97c \uc0dd\uac01\ud574 \ubcf4\uaca0\uc74c. SE \ucd9c\ub825\ub2e8\uc5d0\uc11c \uc5bb\uc5b4\uc9c0\ub294 \ucd9c\ub825\uc740 \ub300\uac1c \ud50c\ub808\uc774\ud2b8 \uc190\uc2e4\uc758 \uc808\ubc18 \uc815\ub3c4\uc784. \uadf8\ub7ec\ub2c8 20W \uc190\uc2e4\uad00\uc744 \ucc3e\uc73c\uba74 \ub418\ub294\ub370 \ud754\ud788 \uc4f0\ub294 \uad00\ub4e4\uc740 25W\uc758 EL34, 30W\uc758 6L6GC, 24W\uc758 EL84 para \uad6c\uc131\uc784. 6550, KT88\uac19\uc740 \ub369\uce58\ub4e4\uc740 \uc7a0\uc2dc \uc78a\ub3c4\ub85d \ud568. \uc601\uad6d\uc774\ub77c\uba74 \ud30c\uc6cc 5\uadf9\uad00\uc774 \ub354 \ud754\ud558\uace0 \ubbf8\uad6d\uc774\ub77c\uba74 \ube54\uad00\uc774 \ub354 \ud754\ud558\ub2c8 \uc774\ub7f0 \uac83\ub3c4 \uace0\ub824\ud560 \uc218\ub294 \uc788\uaca0\uc74c.<\/p>\n\n\n\n<p>EL34\ub97c \uace8\ub77c\uc11c 8W~11W\ub97c \uaf64 \ub0ae\uc740 250V\uc758 HT \uc804\uc555\uc73c\ub85c \uc5bb\uc5b4 \ubcf4\uae30\ub85c \ud568.<\/p>\n\n\n\n<p><strong>OPT \uc784\ud53c\ub358\uc2a4<\/strong><\/p>\n\n\n\n<p>OPT\ub97c \uace0\ub97c \ub54c HT\uac00 \ub300\uac15 \uba87 V\uc778\uc9c0 \uc54c\uc544\uc57c \ud568. EL34\ub77c\uba74 250V\ubd80\ud130 400V \uc774\uc0c1\uae4c\uc9c0 \ub9e4\uc6b0 \ub2e4\uc591\ud568. HT\uac00 \ub0ae\uc73c\uba74 \ub354 \ub0ae\uc740 \uc784\ud53c\ub358\uc2a4 OPT\uc5d0 \uc801\ub2f9\ud558\uace0 HT\uac00 \ub0ae\uc73c\uba74 \uadf8 \ubc18\ub300\uc784. \uc5ec\uae30\uc5d0\uc11c\ub294 300V\ub97c \uace0\ub974\uaca0\uc74c.<\/p>\n\n\n\n<p>\ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \ubcf4\uba74 EL34\uc758 \ucd5c\ub300 \ud50c\ub808\uc774\ud2b8 quiescent \uc804\uc555\uc740 800V\ub77c\uace0 \ud558\ub294\ub370 \uadf8\uac74 60\ub144\ub300\uc5d0 \uc798 \ub9cc\ub4e4\uc5b4\uc9c4 \uad00\ub4e4\uc774\ub098 \uadf8\ub7f4 \uac83\uc774\uace0 \uc694\uc998 \ub9cc\ub4e4\uc5b4\uc9c4 \uad00\uc740 \uc798 \ubaa8\ub974\uaca0\uc74c. HT\ub294 500V \ubc11\uc73c\ub85c \ud574\uc57c \ud55c\ub2e4\uace0 \uac00\uc815 \ud558\uaca0\uc74c.<\/p>\n\n\n\n<p>OPT \uc5c5\uccb4\ub4e4\uc740 1\ucc28 \uc784\ud53c\ub358\uc2a4 \uc5bc\ub9c8, 2\ucc28 \ubd80\ud558 \uc5bc\ub9c8 (5K, 8ohm) \uc774\ub7f0 \uc2dd\uc73c\ub85c \uc801\uc5b4\ub460. \uc774\uac83\uc740 \ud2b8\ub79c\uc2a4\uc758 \uc804\uc555\/\uc804\ub958 \ube44\uc728\uc5d0 \uc758\ud574 \ub098\uc624\ub294\ub370 \ud2b8\ub79c\uc2a4\uac00 \uc804\uc555\uc774 \ub0ae\uc544\uc9c0\uba74 \uc804\ub958\uac00 \uc62c\ub77c\uac00\ub294 \uac83\uc740 \ub2e4 \uc54c \uac83\uc784.<\/p>\n\n\n\n<p>Vout\/Vin = Iin\/Iout<\/p>\n\n\n\n<p>Impedance Ratio Z = (Vin\/Vout)^2<\/p>\n\n\n\n<p>\uc804\uc555, \uc804\ub958\ube44\uac00 20\uc774\ub77c\uba74 \uc784\ud53c\ub358\uc2a4 \ube44\ub294 400\uc774 \ub428. 2\ucc28\uc5d0 8\uc634\uc744 \uc5f0\uacb0\ud558\uba74 1\ucc28\ub294 3.2K\uac00 \ub41c\ub2e4\ub294 \ub73b\uc784. 16\uc634 \uc2a4\ud53c\ucee4\ub77c\uba74 \ub450 \ubc30\uc778 6.4K\uac00 \ub428. (\uc774\uac78 \uc0dd\uac01\ud574\ubcf4\uba74 \uc2a4\ud53c\ucee4\ub97c \ub2e4\ub978 \ub2e8\uc790\uc5d0 \uc5f0\uacb0\ud574\uc11c \ub354 \uc801\uc808\ud55c \uc784\ud53c\ub358\uc2a4 \ub9e4\uce6d\uc744 \ud558\ub294 \ubc29\ubc95\uc774 \ub098\uc634)<\/p>\n\n\n\n<p>5\uadf9\uad00\uc758 \uadf8\ub9ac\ub4dc \ucee4\ube0c\ub294 \uc2dc\uadf8\ub110\uc774 \ud50c\ub808\uc774\ud2b8\uc5d0\uc11c \uac70\uc758 0V\uae4c\uc9c0 \uc2a4\uc719\ud558\ub3c4\ub85d \ud5c8\uc6a9\ud558\uace0 \uc788\uace0, \uc6b0\ub9ac\ub294 \ucd9c\ub825\ub2e8\uc774 \ub300\uac15 x\ucd95\uc744 \uc911\uc2ec\uc73c\ub85c \uc2a4\uc719\ud558\uae38 \uc6d0\ud558\ubbc0\ub85c \uc544\ub798\uc640 \uac19\uc740 \ubc29\ubc95\uc73c\ub85c \uc801\uc808\ud55c OPT \uc784\ud53c\ub358\uc2a4\ub97c \ucc3e\uc744 \uc218 \uc788\uc74c<\/p>\n\n\n\n<p>Z = Va^2 \/ Pa<\/p>\n\n\n\n<p>\uc5ec\uae30\uc11c Pa\ub294 \ucd5c\ub300 \ud50c\ub808\uc774\ud2b8 \uc190\uc2e4\uc784.<\/p>\n\n\n\n<p>HT\ub97c 300V\ub85c \uc815\ud588\uae30 \ub54c\ubb38\uc5d0 25W \ucd5c\ub300 \uc190\uc2e4\uc758 EL34\ub294 <\/p>\n\n\n\n<p>Zout = 300^2 \/ 25 = 3.6Kohm<\/p>\n\n\n\n<p>1\ucc28 \uc784\ud53c\ub358\uc2a4\uac00 3.6K\ub77c\uba74 \ucd5c\ub300 \ucd9c\ub825 \uc190\uc2e4\uae4c\uc9c0 \ub4dc\ub77c\uc774\ube0c\ub97c \ud560 \ub54c \uc644\ubcbd\ud558\uac8c center biased Class A \ub3d9\uc791\uc744 \ubcfc \uc218 \uc788\ub2e4\ub294 \ub73b\uc784. \uc2e4\uc81c\ub85c\ub294 \uc548\uc804\uacfc \uc218\uba85\uc744 \uc704\ud574\uc11c \uc880 \ub354 \ud070 \uc784\ud53c\ub358\uc2a4\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc88b\uc74c. \uc784\ud53c\ub358\uc2a4\ub97c \ub354 \ud06c\uac8c \uac00\uc838\uac08 \ub54c\ub294 \ubc14\uc774\uc5b4\uc2a4\ub97c \ub354 \uae4a\uac8c (\uc989, hotter) \ud574\uc11c 2\ucc28 \ubc30\uc74c\uc774 \ub354 \ub9ce\ub3c4\ub85d \ud560 \uc218 \uc788\uace0, \uc784\ud53c\ub358\uc2a4\ub97c \ub354 \uc791\uac8c \uac00\uc838\uac08 \ub54c\ub294 \ubc14\uc774\uc5b4\uc2a4\uac00 colder\ud574\uc11c \uc18c\ub9ac\uac00 \uc880\ub354 &#8216;\ub0a0 \uac83\uc758&#8217; \uc624\ubc84\ub4dc\ub77c\uc774\ube0c \ud1a4\uc774 \ub428.<\/p>\n\n\n\n<p>\uc2dc\ud310\uc911\uc778 OPT \uc911\uc5d0\uc11c \ub531 \ub9de\ub294 \uac83\uc740 \uc798 \uc5c6\uc73c\ubbc0\ub85c \uc801\uc808\ud55c \uac83\uc744 \ucc3e\uc73c\ub824\uba74 \ub85c\ub4dc\ub77c\uc778\uc744 \uc880 \uadf8\ub824\ubd10\uc57c \ud568. \uc544\ub798 \uc608\uc5d0\uc11c\ub294 3.6K\uc5d0 \uac00\uc7a5 \uac00\uae4c\uc6b4 OPT\uac00 4K \uc9dc\ub9ac\uac00 \uc788\ub2e4\uace0 \uce58\uace0 \uc2dc\uc791.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-dominant-color=\"e1dfe1\" data-has-transparency=\"false\" style=\"--dominant-color: #e1dfe1;\" loading=\"lazy\" decoding=\"async\" width=\"614\" height=\"420\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-25.png\" alt=\"\" class=\"wp-image-3440 not-transparent\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-25.png 614w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-25-150x103.png 150w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/figure>\n<\/div>\n\n\n<p>\ud30c\ub780\uc0c9 \uc120\uc774 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc73c\ub85c \uadf8\uc740 \uc120\uc778\ub370 \uc774\uac74 \ucd5c\uc885 \ub85c\ub4dc\ub77c\uc778\uacfc\ub294 \uac70\ub9ac\uac00 \uba40\uace0, \ub2e8\uc9c0 \uae30\uc6b8\uae30\ub9cc \uc4f0\ub824\uace0 \ud568.<\/p>\n\n\n\n<p><strong>\ubc14\uc774\uc5b4\uc2a4 \uc120\ud0dd<\/strong><\/p>\n\n\n\n<p>\uc800\ud56d \ubd80\ud558\uac00 \uc544\ub2cc Reactive \ubd80\ud558\ub97c \uc4f0\uace0 \uc788\uc73c\ubbc0\ub85c \ud504\ub9ac \uc570\ud504\ub2e8\uc5d0\uc11c \uc800\ud56d \ubd80\ud558\ub97c \uac00\uc9c0\uace0 \ud558\ub4ef\uc774 \ub85c\ub4dc\ub77c\uc778\uc744 \uadf8\ub9ac\uc9c4 \uc54a\uc74c. 1\ucc28\uc758 DCR\uc740 \ub9e4\uc6b0 \uc791\uc544\uc11c \uc804\uc555 \uac15\ud558\uac00 \uba87 \ubcfc\ud2b8 \uc815\ub3c4\uc774\ubbc0\ub85c \uadf8\ub0e5 \ubb34\uc2dc\ud568. <strong>\uadf8\ub807\ub2e4\uba74 Quiescent \ud50c\ub808\uc774\ud2b8 \uc804\ub958\ub97c \uc5b4\ub5bb\uac8c \uc815\ud558\ub4e0\uc9c0 Quiescent  \ud50c\ub808\uc774\ud2b8 \uc804\uc555\uc740 HT\uc640 \uac19\uc74c<\/strong>. HT \uc804\uc555\uc5d0\uc11c \uc218\uc9c1\uc120\uc744 \uadf8\uc744 \uc218 \uc788\uace0 \ubc14\uc774\uc5b4\uc2a4 \uc810\uc774 \uadf8 \uc704 \uc5b4\ub518\uac00\uc5d0 \uc788\ub294 \uac83\uc784. \ud30c\ub780\uc120\uacfc \uac19\uc774 \ubcf4\uba74 \ud604\uc7ac \ucd9c\ub825\uad00\uc740 Cut off \ubc14\uc774\uc5b4\uc2a4\uac00 \uac78\ub824 \uc788\uace0 Class B\ub85c\ub9cc \ub3d9\uc791\uc2dc\ud0ac \uc218 \uc788\uc74c!<\/p>\n\n\n\n<p>\uadf8\ub7ec\ub2c8 \ud30c\ub780\uc0c9 \uc120\uc758 \ud604 \uc704\uce58\ub97c \uace0\uc9d1\ud558\uc9c0 \ub9d0\uace0 \uc774\uac78 \ubc00\uc5b4\ubcf4\uae30\ub85c \ud568. \ub2e8 \uae30\uc6b8\uae30\ub97c \ubc14\uafb8\uba74 \uc548\ub428. \ud68c\uc0c9\uc120\ub4e4\uc774 \uadf8 \uc2dc\ub3c4\ub4e4\uc744 \uc758\ubbf8\ud568. \ub85c\ub4dc\ub77c\uc778\uc740 \ucd5c\ub300 \uc190\uc2e4 \ube68\uac04\uc120\uc744 \ub118\uc5b4\uac00\uba74 \uc548\ub428. \uadf8\ub798\uc11c \uc57d\uac04\uc758 \uc548\uc804\ud568\uc744 \uc704\ud574 \ube68\uac04\uc120 \uc0b4\uc9dd \uc544\ub798\uc5d0 \ub193\uc740 \uac83\uc774 \ubcf4\ub77c\uc0c9 \uc120\uc784. \uc774 \uc0c1\ud0dc\uc5d0\uc11c \ubcf4\uba74 300V \ub3d9\uc791\uc810\uc774 \ub85c\ub4dc\ub77c\uc778 \uc911\uac04 \uc815\ub3c4\uc5d0 \uc704\uce58\ud574\uc11c Class A \uc2a4\uc719\uc744 \uc798 \ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub428. <\/p>\n\n\n\n<p>\uc2dc\uadf8\ub110 \uc804\uc555\uc774 HT\ubcf4\ub2e4 \uc5b4\ub5bb\uac8c \ub192\uc544\uc9c8 \uc218 \uc788\ub0d0\uace0? \uc2e4\uc81c\ub85c \uadf8\ub798&#8230; \ucd5c\ub300 \ub450 \ubc30\uae4c\uc9c0 \ub192\uc544\uc9c8 \uc218 \uc788\ub294\ub370, Class A \uc570\ud504\uc5d0 \uc0ac\uc6a9\ud560 HT \uc804\uc555\uc740 \ucd9c\ub825\uad00 Max peak anode voltage\uc758 \uc808\ubc18 \uc774\ud558\ub85c \uc7a1\uc544\uc57c \ud568. \ubb3c\ub860 EL34\ub294 \uc774\uac8c 2KV\ub77c \uc0c1\uad00\uc5c6\uc74c.<\/p>\n\n\n\n<p><strong>\uc2a4\ud06c\ub9b0 \uc804\uc555<\/strong><\/p>\n\n\n\n<p>\uc2a4\ud06c\ub9b0 \uc804\uc555\uc740 \uc8fc\ub85c HT \uc804\uc555\uc5d0 \uac10\uc555 \uc800\ud56d\uc774\ub098 (Rg2) \ucd08\ud06c\ub97c \ub2ec\uc544 \uac10\uc555\ud558\uace0 \uc791\uc740 \uc2a4\ud06c\ub9b0 \uadf8\ub9ac\ub4dc \uc2a4\ud1a0\ud37c \uc800\ud56d\uc744 \uacc1\ub4e4\uc5ec \uc124\uc815\ud568. \ud50c\ub808\uc774\ud2b8 \uc804\uc555\uacfc \uac70\uc758 \uac19\uac70\ub098 \uc870\uae08 \ub0ae\uac8c \ud568. \uae30\ud0c0 \uc570\ud504\ub294 \ub85c\ub4dc\ub77c\uc778\uc774 \ubb34\ub98e \uc0b4\uc9dd \uc544\ub798\ub97c \uc9c0\ub098\uac08 \ub54c \uc81c\uc77c \uc18c\ub9ac\uac00 \uc88b\uc740\ub370, \uc774\uac83\uc740 5\uadf9\uad00 \uc124\uacc4\uc758 \ud575\uc2ec\uc778 \ubd80\ud558, \ud50c\ub808\uc774\ud2b8 \uc804\uc555, \uc2a4\ud06c\ub9b0 \uc804\uc555\uc758 \ud611\uc8fc\uc5d0 \uc758\ud55c \uac83\uc784. \uac10\uc555 \uc800\ud56d\/\ucd08\ud06c\ub294 \ud544\ud130\ub9c1\uacfc \uc804\uc555 \uac15\ud558\ub97c, \uc2a4\ud1a0\ud37c \uc800\ud56d\uc740 \uc804\ub958 \uc81c\ud55c\uacfc \ucef4\ud504\ub808\uc158\uc744 \ub2f4\ub2f9\ud568.  \uc774 \ub450 \uc800\ud56d\uac12\uc744 \uacb0\uc815\ud558\ub824\uba74 \uc2a4\ud06c\ub9b0 \uc804\ub958\uc640 Rg2\ub97c \ud1b5\ud574 \ucd08\ub2e8\uc73c\ub85c \uac00\ub294 \ucd94\uac00 \uc804\ub958\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\uc57c \ud568. \ucd08\ub2e8\uc73c\ub85c \uac00\ub294 \uc804\ub958\ub294 \uc608\uce21\uc774 \uac00\ub2a5\ud558\uace0, \uc2a4\ud06c\ub9b0 \uc804\ub958\ub294 \ub370\uc774\ud130\uc2dc\ud2b8\uc758 \uadf8\ub798\ud504\uc5d0\uc11c, \ud639\uc740 \uc2a4\ud06c\ub9b0 \uc804\uc555\uc774 \ud50c\ub808\uc774\ud2b8 \uc804\uc555\uc5d0 \uace0\uc815\ub41c \ube44\uc728\ub85c \uac04\ub2e4\ub294 \uc0ac\uc2e4\uc5d0\uc11c \uc5bb\uc744 \uc218 \uc788\uc74c. \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \ub098\uc624\ub294 \uc608\uc5d0\uc11c\ub294 \uc57d 70mA\uc758 \ud50c\ub808\uc774\ud2b8 \uc804\ub958\uac00 \ud750\ub97c \ub54c 70:10 = \uc57d 10mA\uc758 \uc2a4\ud06c\ub9b0 \uc804\ub958\uac00 \ud750\ub978\ub2e4\uace0 \uc801\ud600 \uc788\uc74c.<\/p>\n\n\n\n<p>\uc608\uc5d0\uc11c \ud50c\ub808\uc774\ud2b8 \ub300\uae30 \uc804\ub958\ub294 75mA \uc815\ub3c4\ub77c\ub294 \uac83\uc744 \uc54c\uace0 \uc788\uc73c\ubbc0\ub85c 1\/7\ud558\uba74 10.7mA \uc815\ub3c4\uc758 \uc2a4\ud06c\ub9b0 \ub300\uae30 \uc804\ub958\ub97c \uc608\uc0c1\ud560 \uc218 \uc788\uc74c. \ucd08\ub2e8\uc5d0\uc11c\ub294 5mA \uc815\ub3c4\ub97c \ub561\uae34\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc74c. \uadf8\ub7ec\uba74 \uc2a4\ud06c\ub9b0-\uadf8\ub9ac\ub4dc \uac10\uc555 \uc800\ud56d\uc5d0 \ud750\ub974\ub294 \uc804\ub958\ub294 \ucd1d 15.7mA\uac00 \ub428. \uc800\ud56d\uac12\uc740 \ub300\uac1c 470\uc634\uc5d0\uc11c 1K \uc815\ub3c4\ub97c \uc4f0\ub294\ub370 \ub2e8\uc21c\ud788 \uc801\ub2f9\ud55c \uc218\uc900\uc758 \ud544\ud130\ub9c1\uc744 \ud574\uc8fc\uae30 \ub54c\ubb38\uc784. 470\uc634\uc744 \uc120\ud0dd\ud588\ub2e4\uce58\uba74 470 x 0.0157 = 7.4V\uac00 \uac10\uc555\ub418\uace0 116mW \uc815\ub3c4\uac00 \uc190\uc2e4\ub428<\/p>\n\n\n\n<p>\ub300\uae30\uc0c1\ud0dc\uc758 (quiescent) \ub85c\ub4dc\ub77c\uc778\uc740 \ub300\uac1c \ubb34\ub98e \uc0b4\uc9dd \ubc11\uc744 \uc9c0\ub098\uac00\uac8c \uae0b\ub294\ub2e4\uace0 \ud588\ub294\ub370 \uc774\uac83\uc740 \uae68\ub057\ud55c \uc99d\ud3ed\uc6a9\uc774\uace0 \uc624\ubc84\ub4dc\ub77c\uc774\ube0c \uc6a9\uc774\ub77c\uba74 \uc88b\uc9c0 \ubabb\ud55c \uc0dd\uac01\uc784. \uc65c\ub0d0 \ud558\uba74 \ub3d9\uc791\uc810\uc5d0\uc11c \uadf8\ub9ac\ub4dc \ucee4\ube0c 0V\uae4c\uc9c0 \uc2a4\uc719\ud55c\ub2e4\uace0 \uce58\uba74 \uc2a4\ud06c\ub9b0 \uc804\ub958\uac00 \uae09\uaca9\ud788 \uc99d\uac00\ud558\uae30 \ub54c\ubb38\uc784. \ud074\ub9ac\ud551\uc774 \uc0dd\uae38 \ub54c\ucc98\ub7fc \ub3d9\uc791\uc810\uc774 \uadf8 \ubd80\ubd84\uc5d0\uc11c \ub108\ubb34 \uc624\ub798 \uba38\ubb3c\ub7ec \uc788\uac8c \ub418\uba74 \uc2a4\ud06c\ub9b0 \uadf8\ub9ac\ub4dc\uac00 \ud30c\uad34\ub420 \uc218 \uc788\uc74c. \uc774\uac78 \ub9c9\uae30 \uc704\ud574\uc11c \uc2a4\ud06c\ub9b0 \uadf8\ub9ac\ub4dc \uc2a4\ud1a0\ud37c\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc778\ub370, \uc2a4\ud06c\ub9b0 \uc804\ub958\uac00 \ucee4\uc9c0\uba74 \uc2a4\ud06c\ub9b0 \uc804\uc555\uc744 \ub5a8\uc5b4\ub728\ub824\uc11c \uc804\ub825 \uc190\uc2e4\uc744 \uc81c\ud55c\ud568. \uc2a4\ud06c\ub9b0 \uc804\uc555\uc774 \ub5a8\uc5b4\uc9c0\uba74 \ubaa8\ub4e0 \uadf8\ub9ac\ub4dc \ucee4\ube0c\uac00 \ubc11\uc73c\ub85c \ub5a8\uc5b4\uc9d0. \uc77c\ubc18\uc801\uc778 \uaddc\uce59\uc740 \uc774\ub7f0 \ub2e4\uc774\ub098\ubbf9 \uc870\uac74\uc5d0\uc11c \ub85c\ub4dc\ub77c\uc778\uc774 \ubb34\ub98e \uc544\ub798\uc5d0\uc11c \ub180\ub3c4\ub85d \uc815\ud558\ub294 \uac83\uc784. \uc774\uac83\uc740 &#8216;Sliding screen&#8217; \ub3d9\uc791\uc774\ub77c\uace0 \uc54c\ub824\uc838 \uc788\ub294\ub370 \ub9ce\uc740 \uacbd\ud5d8\uc774 \ud544\uc694\ud55c \ubd80\ubd84\uc784.<\/p>\n\n\n\n<p>\uba3c\uc800, \uc2a4\ud06c\ub9b0 \uc804\uc555 \ud2b9\uc131\uc744 \uc54c\uc544\uc57c \ud558\ub294\ub370, Mutual characteristic \uadf8\ub798\ud504\ub97c \uc0ac\uc6a9\ud574\uc57c \ud568. \uadf8\ub7f0\ub370 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \uc788\ub294 \uadf8\ub798\ud504\ub294 \uc2a4\ud06c\ub9b0 \uc804\uc555\uc774 \uadf8\ub9ac\ub4dc \uc804\uc555 0V\uc5d0 \ub2ff\uc744 \ub54c\uae4c\uc9c0 \uadf8\ub824\uc838 \uc788\uc9c0 \uc54a\uc74c. \uadf8\ub798\uc11c \ub85c\ub4dc\ub77c\uc778 -8V \uadf8\ub9ac\ub4dc \uc120\uc744 \ucc0d\uc5b4 \ub20c\ub7ec\uc11c -16V \uadf8\ub9ac\ub4dc \ub77c\uc778\uc774 \uc788\ub294 \uacf3\uae4c\uc9c0 \uc6c0\uc9c1\uc778\ub2e4\uace0 \uc0dd\uac01\ud558\uba74\uc11c \uc608\uc0c1\ud574 \ubcfc \uc218 \uc788\uc74c. \ub85c\ub4dc\ub77c\uc778 \uadf8\ub798\ud504\uc5d0\uc11c -16V \uadf8\ub9ac\ub4dc \ucee4\ube0c\ub294 Ia = 125mA \uc815\ub3c4\uc5d0\uc11c \ub85c\ub4dc\ub77c\uc778\uacfc \ub9cc\ub098\uace0 \uc788\ub294\ub370 \uc544\ub798\uc758 Mutual char. graph\uc5d0\uc11c -8V, 125mA \uc704\uce58\uc5d0 \ub179\uc0c9\uc810\uc744 \ucc0d\uc5b4\ubcf4\uc558\uc74c. \ud544\uc694\ud55c \uc2a4\ud06c\ub9b0 \uc804\uc555\uc740 250V \uc0b4\uc9dd \uc544\ub798\uc778\ub370 250V\ub85c \uac00\uc815\ud568. \uadf8\ub7ec\ubbc0\ub85c 300V\uc5d0\uc11c 250V\uae4c\uc9c0 \ucd5c\ub300 50V\uac00 \uc2a4\ud06c\ub9b0 \uadf8\ub9ac\ub4dc \uc2a4\ud1a0\ud37c \uc591\ub2e8\uc5d0\uc11c \uac78\ub9bc.<\/p>\n\n\n\n<p> <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-dominant-color=\"e5e5e5\" data-has-transparency=\"false\" style=\"--dominant-color: #e5e5e5;\" loading=\"lazy\" decoding=\"async\" width=\"316\" height=\"391\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-43.png\" alt=\"\" class=\"wp-image-3461 not-transparent\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-43.png 316w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-43-121x150.png 121w\" sizes=\"auto, (max-width: 316px) 100vw, 316px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc774\uc81c \ud50c\ub808\uc774\ud2b8\uac00 0V\uc5d0 \uac00\uae5d\uac8c \uc2a4\uc719\ud560 \ub54c \ubaa8\ub4e0 \uc804\ub958\ub97c \uc2a4\ud06c\ub9b0 \uadf8\ub9ac\ub4dc\uac00 \uac00\uc838\uac04\ub2e4\ub294 \uc2dd\uc73c\ub85c \uc774\uc57c\uae30 \ud558\uae30\ub85c \ud568. (\uc2e4\uc81c\ub85c\ub294 \uadf8\ub807\uc9c0 \uc54a\uc740\ub370 \uc5ec\uae30\uc11c \uc77c\ub2e8 \uadf8\ub807\uac8c \ud241 \uce58\uae30\ub85c \ud568) \ub85c\ub4dc\ub77c\uc778\uc5d0\uc11c \ud53c\ud06c \ud50c\ub808\uc774\ud2b8 \uc804\ub958\ub294 \uc57d 150mA\uc774\ubbc0\ub85c 50V \/ 0.15A = 333 ohm\uc784.<\/p>\n\n\n\n<p>\uc2a4\ud06c\ub9b0 \uc804\ub958\ub294 \uc2e4\uc81c\ub85c \uac70\uae30\uae4c\uc9c0 \uc774\ub974\uc9c0\ub294 \uc54a\uc73c\ubbc0\ub85c 333\uc758 \ub2e4\uc74c \uc800\ud56d\uac12\uc778 470\uc634\uc744 \uad8c\uc120\uc800\ud56d\uc73c\ub85c \uc4f0\uba74 \ub428. \ud558\uc9c0\ub9cc 1K\ub97c \uc4f0\ub294 \uac83\uc774 \uc0c1\ub840\uc774\uba70 \ucef4\ud504\ub808\uc158 \ud2b9\uc131\uc774 \ub354 \ub9ce\uc544\uc9d0. \uc804\ub825 \uc18c\ubaa8\ub294 \uc2e4\uc81c\ub85c \ub9ce\uc9c0 \uc54a\uc73c\ubbc0\ub85c 2W\uae09 \uc815\ub3c4 \uc4f0\uba74 \ub428.<\/p>\n\n\n\n<p><strong>Biasing<\/strong><\/p>\n\n\n\n<p>\uc2a4\ud06c\ub9b0 \uc804\uc555\uc774 300 &#8211; 7.4 &#8211; 5 = 288V\uc774\ubbc0\ub85c \ubc14\uc774\uc5b4\uc2a4 \uc804\uc555\uc744 \ucc3e\uae30 \uc704\ud574\uc11c \ud50c\ub808\uc774\ud2b8 \ucee4\ube0c\ub97c \uc0c8\ub85c \uadf8\ub824\ubcfc \uc218 \uc788\uc74c. \ubb3c\ub860 Mutual characteristic \uadf8\ub798\ud504\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \ube60\ub978 \uae38\uc774\uc9c0\ub9cc&#8230; \ud50c\ub808\uc774\ud2b8 \ub300\uae30 \uc804\ub958\uac00 75mA\uc778 \uac83\uc744 \uc54c\uae30 \ub54c\ubb38\uc5d0 \uc704\uc758 \ud30c\ub780\uc810\uc774 288V, 75mA \uc704\uce58\uc5d0 \ucc0d\ud600 \uc788\uc74c. Vg1\uc740 -17V \uc815\ub3c4\uac00 \ub418\uace0 \uc774\uac8c \ud544\uc694\ud55c \ubc14\uc774\uc5b4\uc2a4 \uc804\uc555\uc774 \ub428. \uce90\uc18c\ub4dc \uc804\ub958\ub294 \ud50c\ub808\uc774\ud2b8 \uc804\ub958\uc5d0 \uc2a4\ud06c\ub9b0 \uc804\ub958\ub97c \ub354\ud574\uc57c \ud558\ubbc0\ub85c 86mA\uac00 \ub418\uace0 \uc634\uc758 \ubc95\uce59\uc744 \uc0ac\uc6a9\ud558\uba74 Rk\ub294 17 \/ 0.086 = 198 ohm\uc774 \ub098\uc634.<\/p>\n\n\n\n<p>\uc5ec\uae30\uc5d0 \uac00\uae4c\uc6b4 \uc800\ud56d\uac12\uc740 200R, 220R\uc778\ub370 \uc5b4\ucc28\ud53c \ucd5c\ub300 \ub3d9\uc791 \uc870\uac74\uc5d0\uc11c \ub3cc\ub9ac\ub294 \uac83\uc740 \uc544\ub2c8\ubbc0\ub85c \ub458 \ub2e4 \uc0c1\uad00\uc5c6\uc74c. \ud558\uc9c0\ub9cc Class A \uc570\ud504\ub97c \ub9cc\ub4e4\uace0 \uc788\ub2e4\uba74 \ucd5c\ub300 \ub3d9\uc791 \uc870\uac74 \uac00\uae4c\uc774 \uac08 \uc218\ub3c4 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc880 \uc5ec\uc720\uac00 \uc788\ub294 \uac83\uc774 \uc88b\uace0 220R\ub85c \ubc14\uc774\uc5b4\uc2a4 \uc804\uc555\uc744 \uc880 \uc62c\ub824\uc904 \ud544\uc694\ub294 \uc788\uc74c. \uc774\ub7ec\uba74 0.086 A^ 2 x 220R = 1.6W\uc774\ubbc0\ub85c 3W\uae09 \uc774\uc0c1\uc758 \uc800\ud56d\uc774 \ud544\uc694\ud568.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-dominant-color=\"d4d3d3\" data-has-transparency=\"false\" style=\"--dominant-color: #d4d3d3;\" loading=\"lazy\" decoding=\"async\" width=\"184\" height=\"330\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-44.png\" alt=\"\" class=\"wp-image-3462 not-transparent\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-44.png 184w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-44-84x150.png 84w\" sizes=\"auto, (max-width: 184px) 100vw, 184px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>\uce90\uc18c\ub4dc \ubc14\uc774\ud328\uc2a4 \ucea1<\/strong><\/p>\n\n\n\n<p>10Hz\ub85c roll off \uc8fc\ud30c\uc218\ub97c \uc7a1\uc73c\uba74<\/p>\n\n\n\n<p>Ck = 1 \/ (2 x pi x f x Rk) = 1\/(2 x 3.14 x 10 x 220) = 72uF<\/p>\n\n\n\n<p>\uadf8\ub7ec\ubbc0\ub85c 100uF\uc744 \uc500. \uc0c1\ub2f9\ud788 \uc77c\ubc18\uc801\uc778 \uac12\uc774\ub77c\uc11c \ub098\uc911\uc5d0\ub294 \uacc4\uc0b0\ud574\ubcf4\uc9c0\ub3c4 \uc54a\uace0 100uF\uc744 \ub123\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc74c.<\/p>\n\n\n\n<p>Rg1\uc740 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \ubcf4\uba74 \ucd5c\ub300 \ud5c8\uc6a9\uac12\uc774 \ub098\uc624\ub294\ub370 \ucd08\ub2e8\uad00\ubcf4\ub2e4 \ud30c\uc6cc\uad00\uc5d0\uc11c \ub354 \ub0ae\uc74c. EL34\ub294 \ucd5c\ub300 700K\uc634\uc774\uace0 \ub300\uac1c 470K\ub97c \uc500. <\/p>\n\n\n\n<p>\uadf8\ub9ac\ub4dc \uc2a4\ud1a0\ud37c\ub294 \ubc18\ub4dc\uc2dc \ub4e4\uc5b4\uac00\uc57c HF \ubc1c\uc9c4\uc774 \uc0dd\uae30\uc9c0 \uc54a\uc74c. \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \uac12\uc774 \uc81c\uc2dc\ub418\uc9c0 \uc54a\uc744 \uc218\ub3c4 \uc788\ub294\ub370 1K~10K\uac00 \ud754\ud788 \uc0ac\uc6a9\ub428.<\/p>\n\n\n\n<p><strong>Reactive Load<\/strong><\/p>\n\n\n\n<p>OPT\ub294 reactive load\uc774\uace0 \uc8fc\ud30c\uc218\uac00 \ucee4\uc9c0\uba74 \uc784\ud53c\ub358\uc2a4\uac00 \uc62c\ub77c\uac10. \uc5ec\uae30\uc5d0 \ub2ec\ub824\uc788\ub294 \uc2a4\ud53c\ucee4\ub3c4 \ub9c8\ucc2c\uac00\uc9c0. \uadf8\ub7ec\ubbc0\ub85c \ub85c\ub4dc\ub77c\uc778\uc740 \uc9c1\uc120\uc73c\ub85c \ub0a8\uc544\uc788\uc9c0 \ubabb\ud558\uace0 \ud0c0\uc6d0\ud615\ud0dc\uac00 \ub428. \uc544\ub798 \uadf8\ub798\ud504\uc5d0 \ud0c0\uc6d0 \ud615\ud0dc\uac00 \ub098\uc640 \uc788\uc74c. \ub530\ub77c\uc11c \ucd5c\ub300 \ud50c\ub808\uc774\ud2b8 \uc190\uc2e4 \uc704\ub85c \ub118\uc5b4\uac00\uac8c \ub420 \uc218 \uc788\uc74c. \ubb3c\ub860 \uc774\uac8c \uc2ec\uac01\ud55c \ubb38\uc81c\ub294 \uc544\ub2d8.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-dominant-color=\"e0dee2\" data-has-transparency=\"false\" style=\"--dominant-color: #e0dee2;\" loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"419\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-45.png\" alt=\"\" class=\"wp-image-3463 not-transparent\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-45.png 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2024\/01\/image-45-150x82.png 150w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n\n<p>OPT 1\ucc28 \uc784\ud53c\ub358\uc2a4\ub97c \ub0ae\ucd94\uba74 \ub85c\ub4dc\ub77c\uc778\uc774 \ub354 \uc11c\uae30 \ub54c\ubb38\uc5d0 \uc2a4\ud06c\ub9b0 \uc804\uc555\uc744 \ub354 \uc62c\ub824\uc11c \ud5e4\ub4dc\ub8f8\uc774 \ub354 \ucee4\uc9c0\ub294 \uc7a5\uc810\uc774 \uc788\uc74c. \ud558\uc9c0\ub9cc \ub3d9\uc2dc\uc5d0 \ud50c\ub808\uc774\ud2b8 \uc804\uc555\uc744 \ub0ae\ucd94\uc9c0 \uc54a\uc73c\uba74 cold Class A \ub3d9\uc791\uc5d0 \ub4e4\uc5b4\uac08 \uc218 \uc788\uc74c. OPT 1\ucc28 \uc784\ud53c\ub358\uc2a4\ub97c \ud0a4\uc6b0\uba74 \uadf8 \ubc18\ub300\uac00 \ub428. <\/p>\n\n\n\n<p>\uadf8\ub824\uc9c4 \ub85c\ub4dc\ub77c\uc778\uc740 \uc784\ud53c\ub358\uc2a4\uac00 \uc798 \ub9de\ub294 \uc2a4\ud53c\ucee4\ub97c \uc5f0\uacb0\ud588\uc744 \ub54c\ub9cc \uc815\ud655\ud568. \uc2a4\ud53c\ucee4\uc758 \uc784\ud53c\ub358\uc2a4\uac00 \ud06c\uba74 \ub85c\ub4dc\ub77c\uc778\uc740 \ubc18\uc2dc\uacc4 \ubc29\ud5a5\uc73c\ub85c \ub3cc\uac8c \ub418\uace0 \uc2a4\ud06c\ub9b0 \uadf8\ub9ac\ub4dc \uace0\uc7a5\uc774 \uc0dd\uae38 \uc218 \uc788\uc74c. (\uc6b4\uc774 \uc88b\uc73c\uba74 \uc2a4\ud06c\ub9b0 \uc800\ud56d\uc774 \uba3c\uc800 \uace0\uc7a5) \uadf8\ub9ac\uace0 OPT\uc5d0 \uacfc\ub2e4 \uc804\uc555\uc774 \uac78\ub824\uc11c \ubd88\uaf43\uc774 \ud288 \uc218\ub3c4 \uc788\uc74c. \uc2a4\ud53c\ucee4\uc758 \uc784\ud53c\ub358\uc2a4\uac00 \uc791\uc73c\uba74 \uadf8 \ubc18\ub300\uac00 \ub428. \ub85c\ub4dc\ub77c\uc778\uc774 \uc11c\uac8c \ub418\uace0 cold Class A \uc0c1\ud0dc\uc5d0\uc11c \uacfc\ub3c4\ud55c \ud50c\ub808\uc774\ud2b8 \uc190\uc2e4\uc774 \ubc1c\uc0dd\ub420 \uc218\ub3c4 \uc788\ub294\ub370 \uace0\ub9d9\uac8c\ub3c4 \ub300\uac1c\ub294 \uadf8\ub807\uc9c0 \uc54a\uc74c. \uadf8\ub7ec\ubbc0\ub85c \uc784\ud53c\ub358\uc2a4\uac00 \ub9de\uc9c0 \uc54a\ub294 \uc0c1\ud669\uc774 \ub41c\ub2e4\uba74 \ub0ae\uc740 \uc2a4\ud53c\ucee4\ub97c \uc5f0\uacb0\ud558\ub294 \uac83\uc774 \ub354 \uc548\uc804\ud568.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SE \ucd9c\ub825\ub2e8\uc740 PP\ucc98\ub7fc \uc9dd\uc218\ucc28 \ubc30\uc74c\uc744 \uc81c\uac70\ud558\uc9c0 \uc54a\uace0, 5\uadf9\uad00\/\ube54\uad00\uc740 \ud640\uc218\ucc28 \ubc30\uc74c\uc744 \uc9c0\ubc30\uc801\uc73c\ub85c \ub9cc\ub4dc\ub294 \uacbd\ud5a5\uc774 \uc788\uc73c\ubbc0\ub85c SE \uc570\ud504\uc5d0\uc11c\ub294 \ubaa8\ub4e0 \ucc28\uc218\uc758 \ubc30\uc74c\uc744 \ubcfc \uac00\ub2a5\uc131\uc774 \ub192\uc74c. Initial Criteria \ud504\ub9ac\uc5d0 5\uadf9\uad00\uc744 \uc4f0\ub294 \uac83\uacfc \ub2e4\ub978 \uc810\uc740 \ud50c\ub808\uc774\ud2b8 \ubd80\ud558\ub85c \ud2b8\ub79c\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83 \ubfd0\uc784. \uc124\uacc4\ub97c \uc2dc\uc791\ud560 \ub54c \ub450 \uac00\uc9c0\ub97c \uace0\ub824\ud558\uac8c \ub428. \uc774 \ub450\uac00\uc9c0 \uc9c8\ubb38\uc774 \ucd9c\ub825\uad00\uc744 \uacb0\uc815\ud558\uae30 \ub54c\ubb38\uc5d0 \uc911\uc694\ud568. \ucd9c\ub825\uad00\uc774 \uc815\ud574\uc9c0\uba74 \uc804\uc6d0\ubd80\uc640 \ucd9c\ub825\ub2e8 \ub098\uba38\uc9c0 &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=3438\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">(\uacf5\ubd80) SE \ucd9c\ub825 \uc2a4\ud14c\uc774\uc9c0<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":3439,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[453,1,473],"tags":[138,472],"class_list":["post-3438","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-453","category-uncategorized","category-473","tag-se-amp","tag-the-valve-wizard"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3438"}],"version-history":[{"count":3,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3438\/revisions"}],"predecessor-version":[{"id":3467,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3438\/revisions\/3467"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/3439"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}