{"id":21821,"date":"2025-11-09T09:01:43","date_gmt":"2025-11-09T00:01:43","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/11\/09\/21821\/"},"modified":"2025-11-09T09:01:43","modified_gmt":"2025-11-09T00:01:43","slug":"%ec%a4%91%ec%95%99%eb%8c%80%ed%95%99%ea%b5%90-%ec%a0%84%ec%9e%90%ed%9a%8c%eb%a1%9c%ec%84%a4%ea%b3%84%ec%8b%a4%ec%8a%b5-%ec%98%88%eb%b9%84%eb%b3%b4%ea%b3%a0%ec%84%9c6","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/11\/09\/21821\/","title":{"rendered":"\uc911\uc559\ub300\ud559\uad50 \uc804\uc790\ud68c\ub85c\uc124\uacc4\uc2e4\uc2b5 \uc608\ube44\ubcf4\uace0\uc11c6"},"content":{"rendered":"

<\/p>\n

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

1. \ubaa9\uc801<\/p>\n

2. \uc900\ube44\ubb3c \ubc0f \uc720\uc758\uc0ac\ud56d<\/p>\n

3. \uc124\uacc4\uc2e4\uc2b5 \uacc4\ud68d\uc11c
\n3.1 Emitter \uc800\ud56d\uc744 \uc0bd\uc785\ud55c Common Emitter Amplifier \uc124\uacc4
\n3.2 \uc124\uacc4\ud55c Amplifier\uc758 \uce21\uc815 \ubc0f \ud2b9\uc131 \ubd84\uc11d<\/p>\n

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

1. \ubaa9\uc801
\nR_sig= 50\u03a9, R_L=5k\u03a9, V_CC=12V\uc778 \uacbd\uc6b0, \u03b2=100\uc778 NPN BJT\ub97c \uc0ac\uc6a9\ud558\uc5ec R_in\uc774 k\u03a9\uc774\uace0 amplifier gain(V_o\/V_in)\uc774 -100V\/V\uc774\uba70 emitter \uc800\ud56d \uc0ac\uc6a9\ud55c Common Amplifier\ub97c \uc124\uacc4, \uad6c\ud604, \uce21\uc815, \ud3c9\uac00\ud55c\ub2e4.<\/p>\n

2. \uc900\ube44\ubb3c \ubc0f \uc720\uc758\uc0ac\ud56d<\/p>\n

Function Generator 1\ub300
\nOscilloscope(2 channel) 1\ub300
\nDC power supply(2 channel) 1\ub300
\nDMM : 1\ub300
\nNPN TRANSISTOR
\n2N3904 T)-92(Fairchild) 2\uac1c
\nResistor 100k\u03a9 5% 1\/4W : 1\uac1c
\n\uac00\ubcc0\uc800\ud56d 50k\u03a9 1\/4 W : 4\uac1c
\n\uac00\ubc88\uc800\ud56d 1k\u03a9 1\/4W : 4\uac1c<\/p>\n

3. \uc124\uacc4\uc2e4\uc2b5 \uacc4\ud68d\uc11c
\n3.1 Emitter \uc800\ud56d\uc744 \uc0bd\uc785\ud55c Common Emitter Amplifier \uc124\uacc4
\n*\ubaa8\ub4e0 \uacc4\uc0b0 \uacb0\uacfc\ub294 \ubc18\uc62c\ub9bc\ud558\uc5ec \uc720\ud6a8\uc22b\uc790 \uc138 \uc790\ub9ac\uae4c\uc9c0\ub9cc \uc0ac\uc6a9\ud55c\ub2e4.
\n\uc704 \ud68c\ub85c\uc640 \uac19\uc774 Emitter \uc800\ud56d\uc744 \uc0ac\uc6a9\ud55c Common Emitter Amplifier\uc5d0\uc11c R_sig=50\u03a9, R_L=5k\u03a9, V_CC=12V\uc778 \uacbd\uc6b0, \u03b2=100\uc778 NPN BJT\ub97c \uc0ac\uc6a9\ud558\uc5ec R_in\uc774 k\u03a9 \ub2e8\uc704\uc774\uace0 amplifier gain(V_o\/V_in)\uc774 -100V\/V\uc778 \uc99d\ud3ed\uae30\ub97c \uc124\uacc4\ud558\ub824\uace0 \ud55c\ub2e4. <\/p>\n

(A) Early Effect\ub97c \ubb34\uc2dc\ud558\uace0 \uc774\ub860\ubd80\uc758 Overall Voltage Gain\uc5d0 \ub300\ud55c \uc2dd\uc73c\ub85c\ubd80\ud130 \ucd9c\ubc1c\ud558\uc5ec \ubd80\ud558\uc800\ud56d R_L\uc5d0 \ucd5c\ub300\uc804\ub825\uc774 \uc804\ub2ec\ub418\ub3c4\ub85d R_C\ub97c \uacb0\uc815\ud574\ub77c.<\/p>\n

Common Emitter Amp\uc758 Overall Voltage Gain G_v = V_o\/V_sig = – R_in\/(R_in+R_sig ) g_m (r_o ||R_C || R_L)\uc73c\ub85c \uc4f8 \uc218 \uc788\ub2e4. \ubb38\uc81c \uc870\uac74\uc5d0\uc11c Early Effect\ub97c \ubb34\uc2dc\ud55c\ub2e4 \ud588\uc73c\ubbc0\ub85c, r_o= 0 \uc774\uace0 G_V = (-R_in)\/(R_in+R_sig ) g_m (R_C\/\/ R_L)\uc73c\ub85c \ub2e4\uc2dc \uc4f8 \uc218 \uc788\ub2e4.<\/p>\n

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

\ubaa9\ucc28 1. \ubaa9\uc801 2. \uc900\ube44\ubb3c \ubc0f \uc720\uc758\uc0ac\ud56d 3. \uc124\uacc4\uc2e4\uc2b5 \uacc4\ud68d\uc11c 3.1 Emitter \uc800\ud56d\uc744 \uc0bd\uc785\ud55c Common Emitter Amplifier \uc124\uacc4 3.2 \uc124\uacc4\ud55c Amplifier\uc758 \uce21\uc815 \ubc0f \ud2b9\uc131 \ubd84\uc11d \ubcf8\ubb38\ub0b4\uc6a9 1. \ubaa9\uc801 R_sig= 50\u03a9, R_L=5k\u03a9, V_CC=12V\uc778 \uacbd\uc6b0, \u03b2=100\uc778 NPN BJT\ub97c \uc0ac\uc6a9\ud558\uc5ec R_in\uc774 k\u03a9\uc774\uace0 amplifier gain(V_o\/V_in)\uc774 -100V\/V\uc774\uba70 emitter \uc800\ud56d \uc0ac\uc6a9\ud55c Common Amplifier\ub97c \uc124\uacc4, \uad6c\ud604, \uce21\uc815, \ud3c9\uac00\ud55c\ub2e4. 2. \uc900\ube44\ubb3c \ubc0f \uc720\uc758\uc0ac\ud56d […]<\/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":[18226,18653,4194,8023],"class_list":["post-21821","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-a--","tag-18653","tag-4194","tag-8023"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/21821","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=21821"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/21821\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=21821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=21821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=21821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}