{"id":24502,"date":"2025-12-06T09:01:40","date_gmt":"2025-12-06T00:01:40","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/12\/06\/24502\/"},"modified":"2025-12-06T09:01:40","modified_gmt":"2025-12-06T00:01:40","slug":"%ec%84%9c%ea%b0%95%eb%8c%80%ed%95%99%ea%b5%90-22%eb%85%84%eb%8f%84-%ec%a0%84%ec%9e%90%ed%9a%8c%eb%a1%9c%ec%8b%a4%ed%97%98-7%ec%a3%bc%ec%b0%a8-%ea%b2%b0%ea%b3%bc%eb%a0%88%ed%8f%ac%ed%8a%b8-a%ec%9e%90","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/12\/06\/24502\/","title":{"rendered":"\uc11c\uac15\ub300\ud559\uad50 22\ub144\ub3c4 \uc804\uc790\ud68c\ub85c\uc2e4\ud5d8 7\uc8fc\ucc28 \uacb0\uacfc\ub808\ud3ec\ud2b8 (A+\uc790\ub8cc)"},"content":{"rendered":"

<\/p>\n

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

\u2160. \uc2e4\ud5d8\ubaa9\uc801
\n\u2161. \uc774\ub860
\n\u2162. \uc2e4\ud5d8 \uacb0\uacfc \ubc0f \ubd84\uc11d
\n\u2163. Discussion<\/p>\n

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

1. \uc2e4\ud5d8 \ubaa9\uc801
\n– BJT\ub97c \uc774\uc6a9\ud55c A\uae09 \uc74c\uc131 \uc804\ub825 \uc99d\ud3ed\uae30\uc758 \ub3d9\uc791\uc744 \ud655\uc778\ud574\ubcf8\ub2e4.
\n– \ud478\uc2dc\ud480 \uc99d\ud3ed\uae30\ub97c \ud1b5\ud574 \uc785\ucd9c\ub825 \ud2b9\uc131\uc744 \ud655\uc778\ud574\ubcf8\ub2e4.<\/p>\n

2. \uc774\ub860
\n– \uc804\ub825 \uc99d\ud3ed\uae30<\/p>\n

\uc804\ub825 \uc99d\ud3ed\uae30\ub294 \ud2b8\ub79c\uc9c0\uc2a4\ud130\uc758 VBE\uac00 \uc785\ub825\uc2e0\ud638\uc758 \uc8fc\uae30 360o\uc5d0 \ub300\ud574 \uc5bc\ub9c8\ub098 \uc21c\ubc29\ud5a5\uc73c\ub85c \ubc14\uc774\uc5b4\uc2a4\ub418\ub290\ub0d0\uc5d0 \ub530\ub77c 360o\ub294 A\uae09, 180~360o\ub294 AB\uae09, 180o\ub294 B\uae09, 180o \uc774\ud558\ub294 C\uae09\uc73c\ub85c \uad6c\ubd84\ub41c\ub2e4.<\/p>\n

– A\uae09 \uc74c\uc131 \uc99d\ud3ed\uae30<\/p>\n

\uc704\uc758 \ud68c\ub85c\ub294 \uacf5\ud1b5 \uc5d0\ubbf8\ud130 \uc99d\ud3ed\uae30\ub97c \uc774\uc6a9\ud55c A\uae09 \uc74c\uc131 \uc99d\ud3ed\uae30\uc774\ub2e4. \ubc14\uc774\uc5b4\uc2a4 \uc870\uac74\uc5d0 \uc758\ud574 \ud2b8\ub79c\uc9c0\uc2a4\ud130\uac00 \uacc4\uc18d turn on\ub418\uc5b4 \ucf5c\ub809\ud130\ub85c \uc804\ub958\uac00 \ud750\ub974\uae30\uc5d0, A\uae09\uc774\ub77c \ud560 \uc218 \uc788\ub2e4.<\/p>\n

– \ud478\uc2dc\ud480 \uc804\ub825 \uc99d\ud3ed\uae30<\/p>\n

\ud478\uc2dc\ud480 \uc99d\ud3ed\uae30\ub294, npn\uacfc pnp BJT\ub97c \uc774\uc6a9\ud55c \ub450\uac1c\uc758 \uc5d0\ubbf8\ud130 \ud314\ub85c\uc5b4\uac00 \uacb0\ud569\ub41c \uc99d\ud3ed\uae30\uc774\ub2e4. Vin\uc758 \ubc94\uc704\uc5d0 \ub530\ub77c npn \ub610\ub294 pnp\uac00 turn on\ub418\uc5b4, gain\uc774 1\uc5d0 \uac00\uae4c\uc6b4 \ud314\ub85c\uc789 \ub3d9\uc791\uc744 \ud558\uac8c \ub41c\ub2e4. \uc774\ub54c Vin\uc774 -0.7V ~ 0.7V \uc774\ub0b4\ub77c\uba74, BJT\uac00 \ub458 \ub2e4 turn off (cutoff region)\ub418\uc5b4 Vout \uc774 0V\ub85c \ucd9c\ub825\ub418\ub294\ub370,, \uc774\uac83\uc744 \ud06c\ub85c\uc2a4\uc624\ubc84 \uc65c\uace1\uc774\ub77c\uace0 \ud55c\ub2e4.
\n \ud06c\ub85c\uc2a4\uc624\ubc84 \uc65c\uace1 <\/p>\n

\uc774\ub7ec\ud55c \ud06c\ub85c\uc2a4\uc624\ubc84 \uc65c\uace1\uc744 \uc5c6\uc560\uac70\ub098 \uc904\uc774\uae30 \uc704\ud574\uc11c\ub294, \uc800\ud56d\uc744 \uc774\uc6a9\ud574 Q1\uacfc Q2\uc5d0 \ubc14\uc774\uc5b4\uc2a4\ub97c \uac78\uc5b4\uc8fc\uac70\ub098, \ub2e4\uc774\uc624\ub4dc\ub97c voltage regulator\ub85c\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \uc704\uc758 \ud68c\ub85c\uc5d0\uc11c \uc785\ub825\uc774 B\uc5d0 \uc5f0\uacb0\ub41c\ub2e4\uba74, \uc785\ub825 \uc2e0\ud638\uac00 0V\ubcf4\ub2e4 \ucee4\uc9c0\ub294 \uc21c\uac04 Q1\uc774 on, 0V\ubcf4\ub2e4 \uc791\uc544\uc9c0\ub294 \uc21c\uac04 Q2\uac00 on\ub418\uc5b4, \ud06c\ub85c\uc2a4\uc624\ubc84 \uc65c\uace1\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc744 \uac83\uc774\ub2e4. \uc774\ub54c Q1\uc758 \ubca0\uc774\uc2a4\uc640 Q2\uc758 \ubca0\uc774\uc2a4\ub294 \ub300\ub7b5 1.4V\uc758 \uc804\uc555 \ucc28\uc774\ub97c \uac00\uc838\uc57c \ud55c\ub2e4.
\n– A\uae09 \uc74c\uc131 \uc99d\ud3ed\uae30<\/p>\n

\uc704\uc758 \ud68c\ub85c\ub294 2\uac1c\uc758 \uacf5\ud1b5 \uc5d0\ubbf8\ud130 \uc99d\ud3ed\uae30\uac00 \uc5f0\uacb0\ub41c A\uae09 2\ub2e8 \uc99d\ud3ed\uae30\uc774\ub2e4.
\n– \ud478\uc2dc\ud480 \uc99d\ud3ed\uae30<\/p>\n

\uc704\uc758 \ud68c\ub85c\ub294 \uacf5\ud1b5 \uc5d0\ubbf8\ud130 \uc99d\ud3ed\uae30\ub97c \uc774\uc6a9\ud55c \ucd9c\ub825\uc774 \ud478\uc2dc\ud480 \uc99d\ud3ed\uae30\uc758 \uc785\ub825\uc73c\ub85c \ub4e4\uc5b4\uac00\uac8c \ub418\ub294 \ud68c\ub85c\uc774\ub2e4.<\/p>\n

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

\ubaa9\ucc28 \u2160. \uc2e4\ud5d8\ubaa9\uc801 \u2161. \uc774\ub860 \u2162. \uc2e4\ud5d8 \uacb0\uacfc \ubc0f \ubd84\uc11d \u2163. Discussion \ubcf8\ubb38\ub0b4\uc6a9 1. \uc2e4\ud5d8 \ubaa9\uc801 – BJT\ub97c \uc774\uc6a9\ud55c A\uae09 \uc74c\uc131 \uc804\ub825 \uc99d\ud3ed\uae30\uc758 \ub3d9\uc791\uc744 \ud655\uc778\ud574\ubcf8\ub2e4. – \ud478\uc2dc\ud480 \uc99d\ud3ed\uae30\ub97c \ud1b5\ud574 \uc785\ucd9c\ub825 \ud2b9\uc131\uc744 \ud655\uc778\ud574\ubcf8\ub2e4. 2. \uc774\ub860 – \uc804\ub825 \uc99d\ud3ed\uae30 \uc804\ub825 \uc99d\ud3ed\uae30\ub294 \ud2b8\ub79c\uc9c0\uc2a4\ud130\uc758 VBE\uac00 \uc785\ub825\uc2e0\ud638\uc758 \uc8fc\uae30 360o\uc5d0 \ub300\ud574 \uc5bc\ub9c8\ub098 \uc21c\ubc29\ud5a5\uc73c\ub85c \ubc14\uc774\uc5b4\uc2a4\ub418\ub290\ub0d0\uc5d0 \ub530\ub77c 360o\ub294 A\uae09, 180~360o\ub294 AB\uae09, 180o\ub294 B\uae09, […]<\/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":[30456,30457,15718,8025,5955,5650,30455],"class_list":["post-24502","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-30456","tag-30457","tag-15718","tag-8025","tag-5955","tag-5650","tag-30455"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/24502","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=24502"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/24502\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=24502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=24502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=24502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}