{"id":15739,"date":"2025-09-10T09:00:13","date_gmt":"2025-09-10T00:00:13","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/09\/10\/15739\/"},"modified":"2025-09-10T09:00:13","modified_gmt":"2025-09-10T00:00:13","slug":"a-%ec%a4%91%ec%95%99%eb%8c%80%ed%95%99%ea%b5%90-%e1%84%8b%e1%85%a1%e1%84%82%e1%85%a1%e1%86%af%e1%84%85%e1%85%a9%e1%84%80%e1%85%b3%e1%84%86%e1%85%b5%e1%86%be%e1%84%83%e1%85%b5%e1%84%8c%e1%85%b5-5","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/09\/10\/15739\/","title":{"rendered":"[A+] \uc911\uc559\ub300\ud559\uad50 \u110b\u1161\u1102\u1161\u11af\u1105\u1169\u1100\u1173\u1106\u1175\u11be\u1103\u1175\u110c\u1175\u1110\u1165\u11af\u1112\u116c\u1105\u1169\u1109\u1165\u11af\u1100\u1168\u1109\u1175\u11af\u1109\u1173\u11b8 4\u110e\u1161 \u1100\u1167\u11af\u1100\u116a\u1107\u1169\u1100\u1169\u1109\u1165"},"content":{"rendered":"

<\/p>\n

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

1. \uc124\uacc4\uc2e4\uc2b5\ub0b4\uc6a9 \ubc0f \ubd84\uc11d
\n2. \uac80\ud1a0\uc0ac\ud56d<\/p>\n

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

4-4. \uc124\uacc4 \uc2e4\uc2b5 \ub0b4\uc6a9 \ubc0f \ubd84\uc11d
\n4-4-1. \uc124\uacc4\ud55c Wien bridge oscillator \uad6c\ud604
\n(A) \uacc4\ud68d\uc11c\uc758 4-3-1\uc5d0\uc11c \uc124\uacc4\ud55c \ub300\ub85c, \uadf8\ub9bc 4-1\uc5d0 \uc8fc\uc5b4\uc9c4 Wien bridge \ubc1c\uc9c4\uae30\ub97c \uc81c\uc791\ud558\uc2dc\uc624. \uc774 \ub54c Op-amp\ub294 \u00b115 V \uc804\uc555\uc744 \uacf5\uae09\ud558\uc2dc\uc624.
\n<\uadf8\ub9bc 1>\uacfc \uac19\uc774 \ud68c\ub85c\ub97c \uc124\uacc4\ud558\uc600\uace0, <\uadf8\ub9bc 2>\ub294 \uc2e4\uc81c \ud68c\ub85c\ub97c \uad6c\ud604\ud55c \ubaa8\uc2b5\uc774\ub2e4.<\/p>\n

<\uadf8\ub9bc 1> positive\/negative feedback\uc758 \ucc28\ub4f1 \uc99d\ud3ed\uae30\ub97c \uc774\uc6a9\ud55c Wien bridge Oscillator<\/p>\n

<\uadf8\ub9bc 2><\/p>\n

4-4-2 \uc124\uacc4\ud55c Wien bridge oscillator \uce21\uc815
\n(A) \ucd9c\ub825\ud30c\ud615\uacfc \ucd9c\ub825\uc8fc\ud30c\uc218\uac12\uc774 Oscilloscope screen\uc5d0 \ubcf4\uc774\ub3c4\ub85d \uc870\uc815\ud55c \ud654\uba74\uc744 \uc2dc\ubbac\ub808\uc774\uc158 \uacb0\uacfc\uc640 \ud568\uaed8 \uc81c\ucd9c\ud558\uc2dc\uc624. (Oscilloscope\uc758 \ud30c\ud615 \uc800\uc7a5 \uae30\ub2a5\uc744 \uc0ac\uc6a9) \ucd9c\ub825\ud30c\ud615\uc774 \uc65c\uace1\ub418\ub294\uc9c0 \ud655\uc778\ud558\uc2dc\uc624. \ubc1c\uc9c4\uc870\uac74\uc778 R2\/R1=2\ub97c \uc911\uc2ec\uc73c\ub85c gain\uc744 \uc870\uc815\ud558\uba74\uc11c \ub098\ud0c0\ub098\ub294 \ud30c\ud615\uc758 \uc65c\uace1\ud604\uc0c1\uc744 \uad00\ucc30\ud558\uc2dc\uc624.
\n\ucd9c\ub825\ud30c\ud615\uacfc \ucd9c\ub825\uc8fc\ud30c\uc218 \uac12\uc740 \uac00\ubcc0\uc800\ud56d\uc744 \uc870\uc808\ud558\uc5ec \ubcc0\ud654\uc2dc\ud0ac \uc218 \uc788\ub2e4. \ub530\ub77c\uc11c R_1\uacfc R_2\ub97c \uac00\ubcc0\uc800\ud56d\uc73c\ub85c \uac01\uac01 10k\u03a9, 20k\u03a9\uc73c\ub85c \uad6c\uc131\ud558\uc600\ub2e4. R=976.41\u03a9\uc73c\ub85c \uc124\uc815\ud558\uc600\ub2e4.
\n(1) R_2\/R_1=1.94\uc778 \uacbd\uc6b0<\/p>\n

<\uadf8\ub9bc 3>
\nR_1=9.73k\u03a9, R_2=(9.18+9.7)k\u03a9 = 18.88 k\u03a9\uc73c\ub85c \uc124\uc815\ud558\uc600\ub2e4.
\n\ud30c\ud615\uc774 \uc65c\uace1\ub418\uc9c0 \uc54a\ub294 Gain\uc758 \ucd5c\ub313\uac12\uc774\ub2e4. \uc9c0\uae08\uc758 Gain \ubcf4\ub2e4 \ucee4\uc9c0\uba74 \ud30c\ud615\uc774 \uc65c\uace1\ub418\uc5c8\ub2e4.
\nR_2\/R_1\uc758 \uc124\uacc4\uac12 2\uc640 \ube44\uad50\ud588\uc744 \ub54c 3%\uc758 \uc624\ucc28\uac00 \ub098\ud0c0\ub0ac\ub2e4.
\n\uc774\ub54c\uc758 \ucd9c\ub825\uc8fc\ud30c\uc218\ub294 1.561kHz\uc774\ub2e4. \ubc1c\uc9c4\uc8fc\ud30c\uc218\uc758 \uc124\uacc4\uac12 1.63kHz\uc640 4.2%\uc758 \uc624\ucc28\uac00 \ub098\ud0c0\ub0ac\ub2e4.<\/p>\n

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

\ubaa9\ucc28 1. \uc124\uacc4\uc2e4\uc2b5\ub0b4\uc6a9 \ubc0f \ubd84\uc11d 2. \uac80\ud1a0\uc0ac\ud56d \ubcf8\ubb38\ub0b4\uc6a9 4-4. \uc124\uacc4 \uc2e4\uc2b5 \ub0b4\uc6a9 \ubc0f \ubd84\uc11d 4-4-1. \uc124\uacc4\ud55c Wien bridge oscillator \uad6c\ud604 (A) \uacc4\ud68d\uc11c\uc758 4-3-1\uc5d0\uc11c \uc124\uacc4\ud55c \ub300\ub85c, \uadf8\ub9bc 4-1\uc5d0 \uc8fc\uc5b4\uc9c4 Wien bridge \ubc1c\uc9c4\uae30\ub97c \uc81c\uc791\ud558\uc2dc\uc624. \uc774 \ub54c Op-amp\ub294 \u00b115 V \uc804\uc555\uc744 \uacf5\uae09\ud558\uc2dc\uc624. \uacfc \uac19\uc774 \ud68c\ub85c\ub97c \uc124\uacc4\ud558\uc600\uace0, \ub294 \uc2e4\uc81c \ud68c\ub85c\ub97c \uad6c\ud604\ud55c \ubaa8\uc2b5\uc774\ub2e4. positive\/negative feedback\uc758 \ucc28\ub4f1 \uc99d\ud3ed\uae30\ub97c \uc774\uc6a9\ud55c Wien bridge […]<\/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":[14562,7343,15066,2455,20766,20763,20765,20764],"class_list":["post-15739","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-14562","tag-7343","tag-15066","tag-2455","tag-20766","tag-20763","tag-20765","tag-20764"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/15739","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=15739"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/15739\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=15739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=15739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=15739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}