{"id":148408,"date":"2024-04-27T16:23:44","date_gmt":"2024-04-27T16:23:44","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/jfets-%ec%a0%91%ed%95%a9%ed%98%95-%ec%a0%84%ea%b3%84-%ed%9a%a8%ea%b3%bc-%ed%8a%b8%eb%9e%9c%ec%a7%80%ec%8a%a4%ed%84%b0\/"},"modified":"2024-04-27T16:23:52","modified_gmt":"2024-04-27T16:23:52","slug":"jfets-%ec%a0%91%ed%95%a9%ed%98%95-%ec%a0%84%ea%b3%84-%ed%9a%a8%ea%b3%bc-%ed%8a%b8%eb%9e%9c%ec%a7%80%ec%8a%a4%ed%84%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/jfets-%ec%a0%91%ed%95%a9%ed%98%95-%ec%a0%84%ea%b3%84-%ed%9a%a8%ea%b3%bc-%ed%8a%b8%eb%9e%9c%ec%a7%80%ec%8a%a4%ed%84%b0\/","title":{"rendered":"JFETs (\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130)"},"content":{"rendered":"<p class=\"sidekick\">\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130(JFET)\ub294 \uc804\ub958 \uc81c\uc5b4\ub97c \uc704\ud55c \uac8c\uc774\ud2b8, \uc18c\uc2a4, \ub4dc\ub808\uc778 \ub2e8\uc790\ub97c \uac00\uc9c4 \ubc18\ub3c4\uccb4 \uc18c\uc790\ub85c, \uc800\uc804\ub825 \uc99d\ud3ed \ubc0f \uc2a4\uc704\uce6d\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/JFETs-(\uc811\ud569\ud615-\uc804\uacc4-\ud6a8\uacfc-\ud2b8\ub79c\uc9c0\uc2a4\ud130).png\" alt=\"JFETs (\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130)\"\/><\/p>\n<h2>\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130(JFET)<\/h2>\n<p>\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130(Junction Field-Effect Transistor, JFET)\ub294 \uc804\uae30 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\uac70\ub098 \uc2a4\uc704\uce58\ub85c \uc0ac\uc6a9\ub418\ub294 \ubc18\ub3c4\uccb4 \uc18c\uc790\uc785\ub2c8\ub2e4. \uc774 \uae30\uae30\ub294 \uc804\uacc4 \ud6a8\uacfc(field effect)\ub97c \uc774\uc6a9\ud558\uc5ec \uc804\ub958\ub97c \uc81c\uc5b4\ud558\ub294 \uc138\ubbf8\ucf58\ub355\ud130 \uae30\uc220 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. JFET\ub294 \uc804\ub958\ub97c \uc81c\uc5b4\ud558\ub294 \ub370 \uc788\uc5b4\uc11c \uac8c\uc774\ud2b8(gate), \uc18c\uc2a4(source), \ub4dc\ub808\uc778(drain)\uc774\ub77c\ub294 \uc138 \uac1c\uc758 \ub2e8\uc790\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>\uac8c\uc774\ud2b8\ub294 \uc804\ub958\uc758 \ud50c\ub85c\uc6b0\ub97c \uc81c\uc5b4\ud558\uace0, \uc18c\uc2a4\ub294 \uc804\ub958\uac00 \ub4e4\uc5b4\uc624\ub294 \uacf3\uc744, \ub4dc\ub808\uc778\uc740 \uc804\ub958\uac00 \ub098\uac00\ub294 \uacf3\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. JFET\ub294 n-\ucc44\ub110\uacfc p-\ucc44\ub110, \ub450 \uc885\ub958\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub4e4\uc758 \uc8fc\ub41c \ucc28\uc774\uc810\uc740 \uc0ac\uc6a9\ud558\ub294 \uc804\ud558 \uc6b4\ubc18\uc790\uc758 \ud0c0\uc785\uc73c\ub85c, n-\ucc44\ub110\uc740 \uc804\uc790\ub97c, p-\ucc44\ub110\uc740 \uc815\uacf5\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uac01\uac01\uc758 JFET\ub294 \uc11c\ub85c \ub2e4\ub978 \uc804\uae30\uc801 \ud2b9\uc131\uc744 \uac00\uc9c0\uba70, \uac01\uac01\uc758 \uc751\uc6a9\uc5d0 \ub530\ub77c \uc120\ud0dd\ub429\ub2c8\ub2e4.<\/p>\n<h2>JFET\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>JFET\uac00 \uc791\ub3d9\ud558\ub294 \uc6d0\ub9ac\ub294 \uc804\uc555\uc744 \uac8c\uc774\ud2b8\uc5d0 \uc778\uac00\ud568\uc73c\ub85c\uc368 \ucc44\ub110\uc758 \uc804\ub3c4\ub3c4\ub97c \uc870\uc808\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uac8c\uc774\ud2b8\uc5d0 \uc778\uac00\ub418\ub294 \uc5ed\ubc29\ud5a5 \uc804\uc555(V<sub>GS<\/sub>)\uc774 \uc99d\uac00\ud558\uba74, \ucc44\ub110\uc744 \ub458\ub7ec\uc2fc \uacf5\ud54d \uc601\uc5ed(depletion region)\uc740 \ud655\ub300\ub418\uc5b4 \ucc44\ub110\uc758 \ud3ed\uc774 \uc881\uc544\uc9d1\ub2c8\ub2e4. \uc774\ub294 \ucc44\ub110\uc744 \ud1b5\uacfc\ud558\ub294 \uc804\ub958(I<sub>D<\/sub>)\ub97c \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4. \ub530\ub77c\uc11c JFET\ub294 \uac8c\uc774\ud2b8\uc5d0\uc11c \uc57d\uac04\uc758 \uc804\uc555\uc73c\ub85c \ud070 \uc804\ub958\ub97c \uc81c\uc5b4\ud560 \uc218 \uc788\ub294 \ud6a8\uacfc\uc801\uc778 \uc2a4\uc704\uce58\ub85c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>JFET\uc758 \ud2b9\uc9d5\uacfc \uc7a5\uc810<\/h2>\n<ul>\n<li><strong>\ub192\uc740 \uc785\ub825 \uc800\ud56d<\/strong>: JFET\ub294 \uc804\uae30 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud560 \ub54c \ub9e4\uc6b0 \uc801\uc740 \uc591\uc758 \uc804\ub958\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774 \uc131\uc9c8\uc740 \ub192\uc740 \uc785\ub825 \uc800\ud56d(high input impedance)\uc73c\ub85c \uc778\ud574 \ub9e4\uc6b0 \uc801\uc740 \uc804\ub825\uc73c\ub85c\ub3c4 \ub3d9\uc791\ud560 \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub0ae\uc740 \uc7a1\uc74c \uc218\uc900<\/strong>: \uc804\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2e0\ud638\ub97c \uc81c\uc5b4\ud558\uae30 \ub54c\ubb38\uc5d0 JFET\ub294 \ube44\uad50\uc801 \ub0ae\uc740 \uc7a1\uc74c \uc218\uc900\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5f4 \uc548\uc815\uc131<\/strong>: JFET\ub294 \ubcc0\ub3d9\ud558\ub294 \uc628\ub3c4\uc5d0 \ub300\ud55c \uc548\uc815\uc131\uc774 \ub192\uc73c\uba70, \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc694\uad6c\ud558\ub294 \uc2e0\ub8b0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>JFET\ub294 \uadf8 \ub3c5\ud2b9\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 \uc624\ub514\uc624 \uc99d\ud3ed\uae30, \ubb34\uc120 \ud1b5\uc2e0, \uadf8\ub9ac\uace0 \ub2e4\ub978 \uc800\uc804\ub825 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub610\ud55c, JFET\ub294 \uc544\ub0a0\ub85c\uadf8 \ud68c\ub85c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uba70 \ub514\uc9c0\ud138 \ud68c\ub85c\uc758 \uc804\ub825 \uc18c\ube44\ub97c \uc904\uc774\uae30 \uc704\ud55c \uc218\ub2e8\uc73c\ub85c\ub3c4 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>JFET\uc758 \ub2e8\uc810<\/h2>\n<ul>\n<li><strong>\uc81c\ud55c\ub41c \uc804\ub958 \ubc94\uc704<\/strong>: JFET\ub294 \ube44\uad50\uc801 \uc791\uc740 \uc804\ub958\ub97c \uc81c\uc5b4\ud558\ub294 \ub370 \uc801\ud569\ud558\uba70 \uc77c\ubc18\uc801\uc778 \uc751\uc6a9\uc5d0\uc11c \ub192\uc740 \uc804\ub825\uc744 \ub2e4\ub8e8\ub294 \uac83\uc774 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc81c\ud55c\ub41c \ucef7\uc624\ud504 \uc804\uc555<\/strong>: \uac8c\uc774\ud2b8-\uc18c\uc2a4 \ucef7\uc624\ud504 \uc804\uc555(V<sub>GS(off)<\/sub>)\uc5d0 \uc758\ud574 JFET\uc758 \ucd5c\ub300 \uc804\ub958\uac00 \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \ub2e8\uc810\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, JFET\uc758 \uace0\uc720\ud55c \ud2b9\uc9d5\uc740 \uc5ec\uc804\ud788 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uad11\ubc94\uc704\ud558\uac8c \ud65c\uc6a9\ub418\uac8c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc18\ub3c4\uccb4 \uae30\uc220\uc740 \uc804\uc790\uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \ubd80\ubd84\uc744 \ucc28\uc9c0\ud558\uba70, \ud601\uc2e0\uc801\uc778 \uc804\uc790 \uc7a5\uce58 \uac1c\ubc1c\uc5d0 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130\ub294 \uc804\uc790\uacf5\ud559 \ubd84\uc57c\uc758 \uae30\ucd08\uc801\uc778 \uad6c\uc131 \uc694\uc18c\uc774\uc790, \ud604\ub300 \uc804\uc790\uae30\uae30\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ud574\uac00 \uc27d\uc9c0 \uc54a\uc744 \uc218 \uc788\ub294 JFET\uc758 \ub0b4\ubd80 \uc6d0\ub9ac\uc5d0 \ub300\ud55c \uae30\ubcf8 \uc9c0\uc2dd\uc774 \ud604\ub300 \uae30\uc220\uc5d0 \ub300\ud55c \uc774\ud574\ub97c \ub113\ud788\uace0, \ub354 \ubcf5\uc7a1\ud55c \uc804\uc790 \ud68c\ub85c \ubc0f \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uad00\uc2ec\uc744 \ubd88\ub7ec\uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130(JFET)\ub294 \uc804\ub958 \uc81c\uc5b4\ub97c \uc704\ud55c \uac8c\uc774\ud2b8, \uc18c\uc2a4, \ub4dc\ub808\uc778 \ub2e8\uc790\ub97c \uac00\uc9c4 \ubc18\ub3c4\uccb4 \uc18c\uc790\ub85c, \uc800\uc804\ub825 \uc99d\ud3ed \ubc0f \uc2a4\uc704\uce6d\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":185336,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-148408","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>JFETs (\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130) | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\uc811\ud569\ud615 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130(JFET)\ub294 \uc804\ub958 \uc81c\uc5b4\ub97c \uc704\ud55c \uac8c\uc774\ud2b8, 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