{"id":27756,"date":"2026-01-08T09:00:45","date_gmt":"2026-01-08T00:00:45","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/01\/08\/27756\/"},"modified":"2026-01-08T09:00:45","modified_gmt":"2026-01-08T00:00:45","slug":"%ec%a0%84%ec%9e%90%ea%b3%b5%ed%95%99%ec%8b%a4%ed%97%98-5%ec%9e%a5-bjt-%eb%b0%94%ec%9d%b4%ec%96%b4%ec%8a%a4-%ed%9a%8c%eb%a1%9c-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\/01\/08\/27756\/","title":{"rendered":"\uc804\uc790\uacf5\ud559\uc2e4\ud5d8 5\uc7a5 BJT \ubc14\uc774\uc5b4\uc2a4 \ud68c\ub85c 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 \uc608\ube44 \ubcf4\uace0 \uc0ac\ud56d<\/p>\n

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

1 \uc2e4\ud5d8 \uac1c\uc694
\n-BJT\ub97c \uc99d\ud3ed\uae30\ub85c \ub3d9\uc791\uc2dc\ud0a4\uae30 \uc704\ud574\uc11c\ub294 \uc801\uc808\ud55c DC\ubc14\uc774\uc5b4\uc2a4\uac00 \uc778\uac00\ub418\uc5b4\uc57c \ud558\uba70, \uc774\ub54c\uc758 DC \ubc14\uc774\uc5b4\uc2a4\ub97c \ub3d9\uc791\uc810 \ub610\ub294 Q\uc810\uc774\ub77c\uace0 \ubd80\ub978\ub2e4. DC\ubc14\uc774\uc5b4\uc2a4\ub294 \uc99d\ud3ed\uae30\uc758 \uc804\uc555 \uc774\ub4dd\uacfc \uc2a4\uc719\uc744 \uacb0\uc815\ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud55c\ub2e4. \uc774 \uc2e4\ud5d8\uc5d0\uc11c\ub294 BJT\ub97c \uc774\uc6a9\ud55c \uc99d\ud3ed\uae30\uc758 DC\ub3d9\uc791\uc810\uc744 \uc7a1\uc544\uc8fc\uae30 \uc704\ud55c \ubc14\uc774\uc5b4\uc2a4 \ud68c\ub85c\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uace0, \uc2e4\ud5d8\uc744 \ud1b5\ud558\uc5ec \ub3d9\uc791\uc744 \ud655\uc778\ud558\uace0\uc790 \ud55c\ub2e4.<\/p>\n

2 \uc2e4\ud5d8 \uae30\uc790\uc7ac \ubc0f \ubd80\ud488
\nDC\ud30c\uc6cc \uc11c\ud50c\ub77c\uc774, \ub514\uc9c0\ud138 \uba40\ud2f0\ubbf8\ud130, \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504, \ud568\uc218 \ubc1c\uc0dd\uae30, Q2N4401(npn\ud615 BJT) 1\uac1c, \uc800\ud56d, \ucee4\ud328\uc2dc\ud130<\/p>\n

3 \ubc30\uacbd \uc774\ub860
\nDC \ubc14\uc774\uc5b4\uc2a4\uc640 \uc18c\uc2e0\ud638\uc758 \uac1c\ub150
\n\uc77c\ubc18\uc801\uc73c\ub85c BJT\ub098 MOSFET\uc744 \uc774\uc6a9\ud55c \uc99d\ud3ed\uae30\ub294 [\uadf8\ub9bc 5-1]\uacfc \uac19\uc740 \ube44\uc120\ud615 \uc99d\ud3ed\uae30\uc758 \ud2b9\uc131\uc744 \ubcf4\uc778\ub2e4. \ube44\uc120\ud615 \uc99d\ud3ed\uae30\ub97c \uc120\ud615\uc801\uc73c\ub85c \ub3d9\uc791\uc2dc\ud0a4\uae30 \uc704\ud574\uc11c\ub294 DC \ubc14\uc774\uc5b4\uc2a4\ub97c \uc778\uac00\ud574\uc11c \ub3d9\uc791\uc810(Q-\ud3ec\uc778\ud2b8) operating point\uc744 \uc7a1\uc544\uc8fc\ub294 \uac83\uc774 \uc911\uc694\ud558\ub2e4. \ub610\ud55c, \ub3d9\uc791\uc810 \ubd80\uadfc\uc5d0 \uc11c \uc18c\uc2e0\ud638 small signal\ub97c \uc778\uac00\ud574\uc11c \ucd5c\ub300\ud55c \uc120\ud615\uc801\uc778 \ud2b9\uc131\uc744 \ub530\ub77c\uac08 \uc218 \uc788\ub3c4\ub85d \ud574\uc57c \ud55c\ub2e4.<\/p>\n

\ubc14\uc774\uc5b4\uc2a4 \ud68c\ub85c
\n\uc77c\ubc18\uc801\uc73c\ub85c \uc99d\ud3ed\uae30\uc758 \ub3d9\uc791\uc810\uc744 \uc7a1\uc544\uc8fc\uae30 \uc704\ud574\uc11c\ub294 \ubc14\uc774\uc5b4\uc2a4 \ud68c\ub85c\uac00 \ud544\uc694\ud558\ub2e4. [\uadf8\ub9bc 5-2]\ub294 \uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \uc804\uc555\ubd84\ubc30 \ubc14\uc774\uc5b4\uc2a4 \ud68c\ub85c\uc774\ub2e4. \uc774 \ud68c\ub85c\ub294 \uc800\ud56d RB1 \ub610\ub294 RB2\uc758 \ubcc0\ud654\uc5d0 \ub530\ub77c\uc11c VBE \uc804\uc555\uacfc Ic\uc758 \ubcc0\ud654\uac00 \uc2ec\ud55c \ub2e8\uc810\uc774 \uc788\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 \uc608\ube44 \ubcf4\uace0 \uc0ac\ud56d \ubcf8\ubb38\ub0b4\uc6a9 1 \uc2e4\ud5d8 \uac1c\uc694 -BJT\ub97c \uc99d\ud3ed\uae30\ub85c \ub3d9\uc791\uc2dc\ud0a4\uae30 \uc704\ud574\uc11c\ub294 \uc801\uc808\ud55c DC\ubc14\uc774\uc5b4\uc2a4\uac00 \uc778\uac00\ub418\uc5b4\uc57c \ud558\uba70, \uc774\ub54c\uc758 DC \ubc14\uc774\uc5b4\uc2a4\ub97c \ub3d9\uc791\uc810 \ub610\ub294 Q\uc810\uc774\ub77c\uace0 \ubd80\ub978\ub2e4. DC\ubc14\uc774\uc5b4\uc2a4\ub294 \uc99d\ud3ed\uae30\uc758 \uc804\uc555 \uc774\ub4dd\uacfc \uc2a4\uc719\uc744 \uacb0\uc815\ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud55c\ub2e4. \uc774 \uc2e4\ud5d8\uc5d0\uc11c\ub294 BJT\ub97c \uc774\uc6a9\ud55c \uc99d\ud3ed\uae30\uc758 DC\ub3d9\uc791\uc810\uc744 \uc7a1\uc544\uc8fc\uae30 \uc704\ud55c […]<\/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":[32381,30456,15721,34605,32387,32931,5650],"class_list":["post-27756","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-bjt","tag-30456","tag-15721","tag-34605","tag-32387","tag-32931","tag-5650"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/27756","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=27756"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/27756\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=27756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=27756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=27756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}