{"id":10803,"date":"2025-07-22T09:01:18","date_gmt":"2025-07-22T00:01:18","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/07\/22\/10803\/"},"modified":"2025-07-22T09:01:18","modified_gmt":"2025-07-22T00:01:18","slug":"op-amp%eb%a5%bc-%ec%9d%b4%ec%9a%a9%ed%95%9c-comparator-%ed%9a%8c%eb%a1%9c-%ec%8b%a4%ed%97%98-%ea%b2%b0%ea%b3%bc-%eb%b3%b4%ea%b3%a0%ec%84%9c","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/07\/22\/10803\/","title":{"rendered":"OP amp\ub97c \uc774\uc6a9\ud55c comparator \ud68c\ub85c \uc2e4\ud5d8 \uacb0\uacfc \ubcf4\uace0\uc11c"},"content":{"rendered":"

<\/p>\n

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

1. \uc2e4\ud5d8 \ubaa9\uc801
\n2. \uc2e4\ud5d8 \uc6d0\ub9ac
\n3. \uc2e4\ud5d8 \ub3c4\uad6c \ubc0f \uc7ac\ub8cc
\n4. \uc2e4\ud5d8 \ubc29\ubc95
\n5. \uce21\uc815\uac12 \ubc0f \uc2e4\ud5d8 \uacb0\uacfc
\n6. \uc9c8\ubb38 \ubc0f \ud1a0\uc758
\n7. \uacb0\ub860
\n8. \ucc38\uace0\ubb38\ud5cc \ubc0f \ucd9c\ucc98<\/p>\n

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

1. \uc2e4\ud5d8 \ubaa9\uc801
\n comparator\ub97c \ub450 \uc785\ub825\uc804\uc555\uc758 \ucc28\uc774\uc5d0 \ub530\ub978 \ucd9c\ub825\uc804\uc555\uc744 \ubcf4\uace0 comparator\uc758 \uae30\ub2a5\uc5d0 \ub300\ud574 \uc774\ud574\ud55c\ub2e4. \ub610\ud55c photodetector\uc758 \uc785\ub825\uc804\uc555\uacfc \uac70\ub9ac\ubcc0\ud654\uc5d0 \ub530\ub978 \ucd9c\ub825\uc804\uc555\uc744 \uce21\uc815\ud568\uc73c\ub85c\uc368 phot-
\nodetector\ub97c \uc774\ud574\ud55c\ub2e4.<\/p>\n

2. \uc2e4\ud5d8 \uc6d0\ub9ac
\n -\ubc1c\uad11 \ub2e4\uc774\uc624\ub4dc
\n\ubc1c\uad11 \ub2e4\uc774\uc624\ub4dc\ub294 P-N\uc811\ud569\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubc18\ub3c4\uccb4\uc774\ub2e4. P-N\uc811\ud569\uc5d0 \uc21c\ubc29\ud5a5\uc73c\ub85c \uc804\ub958\uac00 \ud750\ub97c \ub54c \uc804\uc790\uac00 \uc591\uacf5\uacfc \uc7ac\uacb0\ud569\ud558\uba74\uc11c \ub760\ud2c8(band gap)\ub9cc\ud07c\uc758 \uc5d0\ub108\uc9c0\ub97c \uc804\uc790\uae30\ud30c\uc758 \ud615\ud0dc\ub85c \ubc29\ucd9c\ud55c\ub2e4.<\/p>\n

1. Comparator<\/p>\n

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

\uadf8\ub9bc Comparator \uadf8\ub798\ud504
\n \ub450 \uc2e0\ud638 \uc911 \uc5b4\ub290 \uc2e0\ud638\uac00 \ub354 \ud06c\uac70\ub098 \uc774\ubbf8 \uacb0\uc815\ub41c \uc804\uc555\uc744 \ucd08\uacfc\ud558\ub294 \uc2dc\uae30\ub97c \uc54c\uace0 \uc2f6\uc5b4 \ud558\ub294 \uac83\uc740 \uad49\uc7a5\ud788 \uc77c\ubc18\uc801\uc774\ub2e4. \uc774\ub54c \ud53c\ub4dc\ubc31\uc774 \uc5c6\ub294 \ub192\uc740 gain\uc758 differential amplifier\uc778 \uadf8\ub9bc 1\uc758
\ncomparator\ub77c\ub294 op-amp\ud68c\ub85c\ub97c \uc0ac\uc6a9\ud55c\ub2e4.
\n \uc774 \ud68c\ub85c\uc5d0\uc11c \ub97c \uae30\uc900\uc804\uc555()\ub85c \ud560 \ub54c (- )\uc758 \uac12\uc5d0 gain \uc774\uc0c1\uc801\uc778 \uacbd\uc6b0 open loop gain\uc740 \ubb34\ud55c\ub300\uc774\ub098 \uc2e4\uc9c8\uc801\uc778 \uacbd\uc6b0\uc5d0\ub3c4 \ub9e4\uc6b0 \ud06c\ub2e4.(~)
\n\uc774 \uacf1\ud574\uc838 \uc99d\ud3ed\ub41c \uac12\uc774 \ucd9c\ub825\ub41c\ub2e4. \ud558\uc9c0\ub9cc op-amp\uc758 \uacf5\uae09\uc804\uc555\uc774\ub098 \ub0b4\ubd80\uc800\ud56d\uc5d0 \ub530\ub77c \uac12\uc774 \uc81c\ud55c\ub418\uac8c \ub41c\ub2e4. \ub530\ub77c\uc11c \uadf8\ub9bc 2 \uc785\ub825\uc804\uc555\uc5d0 \ub300\ud55c \ucd9c\ub825\uc804\uc555\uc758 \uadf8\ub798\ud504\ub97c \uadf8\ub9ac\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ub098\uc628\ub2e4.<\/p>\n

2. Phototransistor
\nD2\ub294 \uc801\uc678\uc120 \ubc1c\uad11 \ub2e4\uc774\uc624\ub4dc\uc774\uba70, T1\uc740 \uc801\uc678\uc120 \uc218\uad11 phototransistor\uc774\ub2e4.
\n\uc704\uc758 \ud68c\ub85c\uc5d0\uc11c \uc5d0 \ub300\ud55c \ud0a4\ub974\ud788\ud638\ud504\uc758 \uc804\uc555 \ubc95\uce59\uc744 \uc0ac\uc6a9\ud558\uba74<\/p>\n

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

\ubaa9\ucc28 1. \uc2e4\ud5d8 \ubaa9\uc801 2. \uc2e4\ud5d8 \uc6d0\ub9ac 3. \uc2e4\ud5d8 \ub3c4\uad6c \ubc0f \uc7ac\ub8cc 4. \uc2e4\ud5d8 \ubc29\ubc95 5. \uce21\uc815\uac12 \ubc0f \uc2e4\ud5d8 \uacb0\uacfc 6. \uc9c8\ubb38 \ubc0f \ud1a0\uc758 7. \uacb0\ub860 8. \ucc38\uace0\ubb38\ud5cc \ubc0f \ucd9c\ucc98 \ubcf8\ubb38\ub0b4\uc6a9 1. \uc2e4\ud5d8 \ubaa9\uc801 comparator\ub97c \ub450 \uc785\ub825\uc804\uc555\uc758 \ucc28\uc774\uc5d0 \ub530\ub978 \ucd9c\ub825\uc804\uc555\uc744 \ubcf4\uace0 comparator\uc758 \uae30\ub2a5\uc5d0 \ub300\ud574 \uc774\ud574\ud55c\ub2e4. \ub610\ud55c photodetector\uc758 \uc785\ub825\uc804\uc555\uacfc \uac70\ub9ac\ubcc0\ud654\uc5d0 \ub530\ub978 \ucd9c\ub825\uc804\uc555\uc744 \uce21\uc815\ud568\uc73c\ub85c\uc368 phot- odetector\ub97c \uc774\ud574\ud55c\ub2e4. […]<\/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":[9619,16288,16287,14978,16277,1349,16278,3663],"class_list":["post-10803","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-10-","tag-op-amp-2","tag-16287","tag-14978","tag-16277","tag-1349","tag-16278","tag-3663"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/10803","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=10803"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/10803\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=10803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=10803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=10803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}