{"id":35066,"date":"2026-03-22T09:01:23","date_gmt":"2026-03-22T00:01:23","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/03\/22\/35066\/"},"modified":"2026-03-22T09:01:23","modified_gmt":"2026-03-22T00:01:23","slug":"%ec%a0%84%ec%9e%90%ea%b3%b5%ed%95%99%ec%8b%a4%ed%97%98-20%ec%9e%a5-%ec%b0%a8%eb%8f%99-%ec%a6%9d%ed%8f%ad%ea%b8%b0-%ea%b8%b0%ec%b4%88-%ec%8b%a4%ed%97%98-a-%ec%98%88%eb%b9%84%eb%b3%b4%ea%b3%a0%ec%84%9c","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/03\/22\/35066\/","title":{"rendered":"\uc804\uc790\uacf5\ud559\uc2e4\ud5d8 20\uc7a5 \ucc28\ub3d9 \uc99d\ud3ed\uae30 \uae30\ucd08 \uc2e4\ud5d8 A+ \uc608\ube44\ubcf4\uace0\uc11c"},"content":{"rendered":"

<\/p>\n

\ubaa9\ucc28<\/strong><\/p>\n

1 \uc2e4\ud5d8 \uac1c\uc694
\n2 \uc2e4\ud5d8 \uae30\uc790\uc7ac \ubc0f \ubd80\ud488
\n3 \ubc30\uacbd \uc774\ub860
\n4 \uc2e4\ud5d8 \ud68c\ub85c
\n5 \uc2e4\ud5d8 \uc808\ucc28 \ubc0f \uc608\ube44 \uac12
\n6 \uc608\ube44 \ubcf4\uace0 \uc0ac\ud56d<\/p>\n

\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n

1 \uc2e4\ud5d8 \uac1c\uc694
\n-\uc804\ub825 \uc99d\ud3ed\uae30(power amplifier)\ub294 \uc791\uc740 \uc785\ub825 \uc804\ub825\uc744 \uc99d\ud3ed\ud558\uc5ec \ud070 \ucd9c\ub825 \uc804\ub825\uc744 \uc5bb\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\uba70, \ub3d9\uc791 \uc870\uac74\uc5d0 \ub530\ub77c\uc11c A, B, AB\uae09 \ub4f1\uc73c\ub85c \uad6c\ubd84\ub41c\ub2e4. \uc18c\uc2e0\ud638 \uc99d\ud3ed\uae30\ubcf4\ub2e4\ub294 \ub354\uc6b1 \ub354 \ud070 \uc2e0\ud638 \uc870\uac74\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc804\ub825 \uc99d\ud3ed\uae30\ub294 \uc2dc\uc2a4\ud15c\uc758 \ucd9c\ub825\ub2e8\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4. \uc774 \uc2e4\ud5d8\uc5d0\uc11c\ub294 BJT\ub97c \uc0ac\uc6a9\ud55c A, B, AB\uae09 \uc804\ub825 \uc99d\ud3ed\uae30\uc758 \uae30\ubcf8 \ub3d9\uc791 \uc6d0\ub9ac\uc640 \uc804\ub825 \uc774\ub4dd \ubc0f \ud6a8\uc728\uc744 \uc0b4\ud3b4\ubcf4\uace0, \uae30\ubcf8\uc801\uc778 \uce21\uc815\uc744 \ud1b5\ud574 \uc774\ub97c \uac80\uc99d\ud558\uace0\uc790 \ud55c\ub2e4.<\/p>\n

2 \uc2e4\ud5d8 \uae30\uc790\uc7ac \ubc0f \ubd80\ud488
\n-DC \ud30c\uc6cc \uc11c\ud50c\ub77c\uc774, \ub514\uc9c0\ud138 \uba40\ud2f0\ubbf8\ud130, \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504, \ud568\uc218 \ubc1c\uc0dd\uae30, 2N3904(1\uac1c), \ub2e4\uc774\uc624\ub4dc 1N914(1\uac1c), 2N3906(1\uac1c), \uc800\ud56d<\/p>\n

3 \ubc30\uacbd \uc774\ub860
\n\ub2a5\ub3d9 \ubd80\ud558\uc640 \uc804\ub958 \uac70\uc6b8
\n\uc9d1\uc801\ud68c\ub85c\ub97c \uc124\uacc4\ud560 \ub54c \uc77c\uc815\ud55c \uc804\ub958\uc6d0(constant DC current source \ub610\ub294 reference current)\uc774 \uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \uc694\uc18c\uac00 \ub418\ub294\ub370, \uc804\ub958\uc6d0\uc774 \ud544\uc694\ud55c \uacf3\ub9c8\ub2e4 \uc800\ud56d\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud68c\ub85c\ub97c \uc124\uacc4\ud558\uba74 \uc2e0\ub8b0\uc131\uc774 \uc800\ud56d\uc758 \uc815\ud655\ub3c4\uc5d0 \ub530\ub77c \uacb0\uc815\ub41c\ub2e4. \ub530\ub77c\uc11c \uc218\ub3d9 \ubd80\ud558 \uc800\ud56d\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc9d1\uc801\ud68c\ub85c\ub97c \uc124\uacc4\ud558\uae30\ubcf4\ub2e4\ub294 \ub2a5\ub3d9 \ubd80\ud558 \ud68c\ub85c\ub97c \uc774\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\ub2e4. \uc774\ub7ec\ud55c \ubc29\ubc95\uc758 \uc7a5\uc810\uc740 \uac12\uc774 \uc815\ud655\ud55c \uc800\ud56d \ud55c \uac1c\ub97c \ud68c\ub85c \uc678\ubd80\uc5d0 \uc704\uce58\uc2dc\ud0a4\uace0, \uc774 \uc800\ud56d\uc5d0 \ud750\ub974\ub294 \uc804\ub958\ub97c \ub2a5\ub3d9 \ud68c\ub85c\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc870\uc815\ud560 \uc218 \uc788\ub2e4\ub294 \uc810\uc774\ub2e4. \uc774\uac19\uc740 \ub2a5\ub3d9 \ubd80\ud558 \uc911\uc5d0\uc11c \uc804\ub958 \uac70\uc6b8\uc5d0 \ub300\ud558\uc5ec \uc0b4\ud3b4\ubcf4\uc790.<\/p>\n

\uba3c\uc800 [\uadf8\ub9bc 20-1]\uc758 \ud68c\ub85c\ub97c \uc0b4\ud3b4\ubcf4\uc790. \uc774\ub294 MOSFET 2\uac1c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ud68c\ub85c\uc774\uba70, \uc800\ud56d R\uc5d0 \ud750\ub974\ub294 \uc804\ub958\ub97c \ucd5c\ucd08\ub85c \uc0dd\uc131\ud55c \uc77c\uc815\ud55c \uc804\ub958\uc6d0\uc73c\ub85c \uc0dd\uac01\ud558\uba74 \uc5d0 \ud750\ub974\ub294 \uc804\ub958 \uc774 \uac00 \ub41c\ub2e4. \uc774 \uc804\ub958\uac12\uc740 \uc624\uc9c1 \uc800\ud56d R\uacfc \uc5d0 \uc758\ud574\uc11c\ub9cc \uacb0\uc815\ub418\uba74, \uac8c\uc774\ud2b8\uc5d0 \uc804\ub958\uac00 \ud750\ub974\uc9c0 \uc54a\uace0 \ucc44\ub110\uae38\uc774 \ubcc0\uc870(channel length modulation)\ub97c \ubb34\uc2dc\ud55c\ub2e4\uace0 \uac00\uc815\ud558\uba74, 2\uac1c\uc758 MOSFET\uc758 \ub294 \uc11c\ub85c \uac19\ub2e4. \ub610\ud55c \ud3ec\ud654 \uc601\uc5ed\uc5d0\uc11c 2\uac1c\uc758 MOSFET\uc744 \ub3d9\uc791\uc2dc\ud0a4\uba74 \uac00 \uac19\uae30 \ub54c\ubb38\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc774 \uc131\ub9bd\ud55c\ub2e4.<\/p>\n

\ucd9c\ucc98 : \ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\ubaa9\ucc28 1 \uc2e4\ud5d8 \uac1c\uc694 2 \uc2e4\ud5d8 \uae30\uc790\uc7ac \ubc0f \ubd80\ud488 3 \ubc30\uacbd \uc774\ub860 4 \uc2e4\ud5d8 \ud68c\ub85c 5 \uc2e4\ud5d8 \uc808\ucc28 \ubc0f \uc608\ube44 \uac12 6 \uc608\ube44 \ubcf4\uace0 \uc0ac\ud56d \ubcf8\ubb38\ub0b4\uc6a9 1 \uc2e4\ud5d8 \uac1c\uc694 -\uc804\ub825 \uc99d\ud3ed\uae30(power amplifier)\ub294 \uc791\uc740 \uc785\ub825 \uc804\ub825\uc744 \uc99d\ud3ed\ud558\uc5ec \ud070 \ucd9c\ub825 \uc804\ub825\uc744 \uc5bb\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\uba70, \ub3d9\uc791 \uc870\uac74\uc5d0 \ub530\ub77c\uc11c A, B, AB\uae09 \ub4f1\uc73c\ub85c \uad6c\ubd84\ub41c\ub2e4. \uc18c\uc2e0\ud638 \uc99d\ud3ed\uae30\ubcf4\ub2e4\ub294 \ub354\uc6b1 \ub354 \ud070 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[30456,15721,32931,31301,35235],"class_list":["post-35066","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-30456","tag-15721","tag-32931","tag-31301","tag-35235"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/35066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=35066"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/35066\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=35066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=35066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=35066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}