{"id":1738,"date":"2022-05-29T21:23:42","date_gmt":"2022-05-29T12:23:42","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=1738"},"modified":"2022-05-29T21:23:42","modified_gmt":"2022-05-29T12:23:42","slug":"%eb%94%94%eb%b2%84%ea%b9%85-%ec%99%84%eb%a3%8c","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=1738","title":{"rendered":"\ub514\ubc84\uae45 \uc644\ub8cc"},"content":{"rendered":"\n<p id=\"SE-f683aac7-d32a-48e4-aeb8-2b2a2f1fdd14\">\uc570\ud504\ub97c \ub9cc\ub4e4\uc5b4 \ubcc4\ub2e4\ub978 \ud5d8 \uc5c6\uc774 \uc18c\ub9ac\uac00 \ub098\uc624\uba74 \ud765\ubd84\ud574\uc11c \uc798 \uc548\ub4e4\ub9ac\uac8c \ub9c8\ub828\uc778\ub370\uc694<\/p>\n\n\n\n<p id=\"SE-07d60b5b-f04e-470e-aa91-3b70ea62f829\">\uc5b4\uc81c 1\ucc28 \uc644\ub8cc \uae00\uc744 \uc62c\ub9ac\uace0 \uac00\ub9cc\ud788 \ub4e3\ub2e4\ubcf4\ub2c8 \uace0\uc74c\uc774 \uc880 \uc9f8\uc9c0\ub294 \uac83 \uac19\uace0 \ud574\uc11c \uc2a4\ucf54\ud504\ub97c \ubb3c\ub824\ubd24\uc2b5\ub2c8\ub2e4<\/p>\n\n\n\n<p id=\"SE-c0780489-849d-4a39-a3a0-bf39f595299d\">\uadf8\ub7ac\ub354\ub2c8 \ubcfc\ub968 1\uc2dc\ubd80\ud130 4\uc2dc\uae4c\uc9c0 \ubc1c\uc9c4\uc744 \ud558\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4<\/p>\n\n\n\n<p id=\"SE-b727e2d1-1523-4d72-8734-911eab4f90a8\">\uc800\ub141\uc5d0\ub294 \ubcfc\ub968\uc744 10\uc2dc \uc774\uc0c1 \uc62c\ub9b4 \uc218 \uc5c6\uc5c8\uac70\ub4e0\uc694 (\uc774\uac83\ub3c4 \ub098\uc911\uc5d0 \ubcf4\ub2c8 \ud78c\ud2b8\uc600\uc2b5\ub2c8\ub2e4. \uc798\ubabb \uc5f0\uacb0\uc744 \ud55c \uacb0\uacfc\ub85c \uac8c\uc778\uc774 \uc5c4\uccad \uc62c\ub77c\uac00\ub354\uad70\uc694)<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video height=\"1440\" style=\"aspect-ratio: 1440 \/ 1440;\" width=\"1440\" controls src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/\uc911\uac04\ubcfc\ub968_\ubc1c\uc9c4.mp4\"><\/video><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" 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id=\"SE-9ece0b04-d2b0-42ce-b0aa-0425a1101122\">\uc5c4\ud55c NFB \uc800\ud56d \ubc14\uafd4\ubcf4\uace0 \uc544\ubb34 \uac1c\uc120 \uc5c6\uad6c\ub098 \uc88c\uc808\ud558\uba74\uc11c \ub0a9\ub55c\uc744 \uc9f8\ub824\ubcf4\ub2e4\uac00<\/p>\n\n\n\n<p id=\"SE-2587ff51-3849-47c3-8db1-462d408fa784\">NFB \ucd08\ub2e8\uc758 \uce90\uc18c\ub4dc \uc800\ud56d\uc744 \uadf8 \uc55e\ub2e8 \ucd08\ub2e8\uc758 \uce90\uc18c\ub4dc \uc800\ud56d \ub450 \uac1c \uc0ac\uc774\uc5d0 \uc5f0\uacb0\ud574\uc57c \ud558\ub294\ub370<\/p>\n\n\n\n<p id=\"SE-85e9e10f-f41e-41a5-9537-a2d42377e7ee\">\ubc14\ub85c \uc811\uc9c0\ud55c \uac83\uc744 \ub2e4\ud589\ud788\ub3c4 \ubc1c\uacac\ud574\uc11c \ubc1c\uc9c4\uc740 \ud574\uacb0\ud588\uc2b5\ub2c8\ub2e4<\/p>\n\n\n\n<p id=\"SE-d3b1d8a4-41dd-400b-93fc-9c6d135fc301\">R9\ub97c R4 \uc704\uc5d0 \uc5f0\uacb0\ud588\uc5b4\uc57c \ud558\ub294\ub370 \ube68\uac04\uc120\ucc98\ub7fc \uc811\uc9c0\ud588\uc2b5\ub2c8\ub2e4 \u3161.\u3161<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"486\" height=\"658\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/\ud654\uba74-\ucea1\ucc98-2022-05-29-175038.png\" alt=\"\" class=\"wp-image-1741\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/\ud654\uba74-\ucea1\ucc98-2022-05-29-175038.png 486w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/\ud654\uba74-\ucea1\ucc98-2022-05-29-175038-111x150.png 111w\" sizes=\"auto, (max-width: 486px) 100vw, 486px\" \/><\/figure><\/div>\n\n\n\n<p id=\"SE-a2ec4ea3-aa42-4472-9823-e79de65e7f38\">\ubc1c\uc9c4\uc740 \uc7a1\uc558\uace0 \uc608\uc804\uc5d0 LTspice\ub85c \uc2dc\ubbac\ub808\uc774\uc158 \ud574\ubcfc \ub54c \ubcf8 \ud074\ub9ac\ud551 \uc0dd\uae30\ub358 \uac83\uc774 \uad81\uae08\ud574\uc84c\uc2b5\ub2c8\ub2e4<\/p>\n\n\n\n<p id=\"SE-be4bab00-6a0e-4416-a69a-7b65c13373cb\">\ubcfc\ub968\uc744 max\ub85c \ub193\uace0 RCA \ub2e8\uc790\uc5d0 sine wave\uc758 \ud06c\uae30\ub97c \uc62c\ub824\ubcf4\uae30 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(\uace8\uc9dc\uae30\ub3c4 \ucda9\ubd84\ud788 \ub0b4\ub824\uac00\uc9c0 \ubabb\ud569\ub2c8\ub2e4)<\/p>\n\n\n\n<p id=\"SE-11f81c82-755b-4c7a-b35b-bcbc6d48326a\">(\uad50\uc721\uc6a9 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc778 EDUX1052G\ub294 \ud30c\ud615\ubc1c\uc0dd\uae30\uac00 \uc544\uc8fc \uc815\ubc00\ud558\uc9c4 \ubabb\ud574\uc11c \uc544\ub798 \ubcf4\uc2dc\uba74 Pk-Pk\uac00 1.8V\ub85c \uacc4\uce21\ub418\uace0 \uc788\ub124\uc694. 750mV\ub97c \ub0b4\ub193\uc73c\ub77c\uace0 \ud588\ub294\ub370 \uc544\ub9c8 900mV\uac00 \ub098\uc624\uace0 \uc788\ub098\ubd05\ub2c8\ub2e4.)<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_7.png\" alt=\"\" class=\"wp-image-1742\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_7.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_7-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_7-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>1V\ub85c (Pk-Pk 2V) \uc124\uc815\ud558\uba74 \uc544\ub798\uc640 \uac19\uc774 \ub354 \uc798 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_8.png\" alt=\"\" class=\"wp-image-1743\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_8.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_8-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_8-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p id=\"SE-d9600ef9-51f0-4af4-909f-45b4e1e7237a\">\uadfc\ub370 \ub2e4 \uc798 \uc544\uc2dc\uaca0\uc9c0\ub9cc \uc9d1\uc5d0\uc11c \ub4e3\uc744 \ub54c \ubcfc\ub968\uc744 \ud06c\uac8c \uc62c\ub9b4 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub0ae\uc5d0 \uc880 \ud06c\uac8c \ub4e3\uae30\uc5d0 \uc801\ub2f9\ud55c \ubcfc\ub968\uc774\uba74 \uc5b4\ub290 \uc815\ub3c4 \ub420\uae4c \ud574\uc11c \uacc4\uce21\ud574\ubcf4\ub2c8 \ud3ec\ud150\uc2dc\uc624\ubbf8\ud130\uac00 \ucd08\ub2e8\uad00\uc73c\ub85c \ubcf4\ub0b4\uc8fc\ub294 Pk-Pk\uac00 400~500mV \uc815\ub3c4\uc600\ub358 \uac83 \uac19\uc2b5\ub2c8\ub2e4. \uadf8\uac74 \ud654\uba74 \ucea1\uccd0\ub97c \uc548 \ub0a8\uacbc\ub124\uc694.<\/p>\n\n\n\n<p id=\"SE-cbcfe609-5cde-44c0-8d34-9371e630e7a2\">\u200b<\/p>\n\n\n\n<p id=\"SE-b9e613f6-ec02-4d0e-aeca-8f33e589e5e9\">Bode Plot\uc740 \uc774\ub807\uc2b5\ub2c8\ub2e4. 50Hz\ubd80\ud130 5KHz\uae4c\uc9c0\ub294 \uac70\uc758 \uc9c1\uc120\uc774\uace0 30KHz\uc5d0\uc120 3dB \ub5a8\uc5b4\uc84c\ub124\uc694<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_13.png\" alt=\"\" class=\"wp-image-1744\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_13.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_13-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_13-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>EDUX1052G\uac00 \uc548 \uc88b\uc740\uac8c FFT\uc5d0\uc11c X\ucd95 \ub85c\uadf8 \uc2a4\ucf00\uc77c\uc744 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\uc544\uc11c \ubcf4\uae30\uac00 \ubd88\ud3b8\ud569\ub2c8\ub2e4<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_10.png\" alt=\"\" class=\"wp-image-1745\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_10.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_10-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/scope_10-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p id=\"SE-36fb5d77-b928-4c57-8ae3-7b9042dceacf\">\uc774\uc81c \uc2a4\ud53c\ucee4\uc5d0 \uadc0\ub97c \uac00\uc838\ub2e4\ub300\uc57c \ub4e4\ub9ac\ub294 \uc544\uc8fc \uc791\uc740 hum\uc774 \ub0a8\uc558\ub294\ub370, \uadf8\uac74 \ucc9c\ucc9c\ud788 \uc0dd\uac01\ud574\ubcf4\ub835\ub2c8\ub2e4. ^^<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210627_2-3840x2160.jpg\" alt=\"\" class=\"wp-image-1747\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210627_2-3840x2160.jpg 3840w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210627_2-800x450.jpg 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210627_2-150x84.jpg 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210627_2-768x432.jpg 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210627_2-1536x864.jpg 1536w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210627_2-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p id=\"SE-a712f82f-a5a2-4040-a428-073fe75b1ebf\">\u200b\uc77c\ub2e8 \ub69c\uaed1\uc744 \ub2eb\uace0 \uc2a4\ud06c\ub8e8\ub294 3\uac1c\ub9cc \uc870\uc600\uc2b5\ub2c8\ub2e4. \uc218\ub3c4 \uc5c6\uc774 \uc5f4\uac8c \ub420\ud14c\ub2c8 \ub9d0\uc774\uc8e0<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210734-3840x2160.jpg\" alt=\"\" class=\"wp-image-1748\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210734-3840x2160.jpg 3840w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210734-800x450.jpg 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210734-150x84.jpg 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210734-768x432.jpg 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210734-1536x864.jpg 1536w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/05\/20220529_210734-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc570\ud504\ub97c \ub9cc\ub4e4\uc5b4 \ubcc4\ub2e4\ub978 \ud5d8 \uc5c6\uc774 \uc18c\ub9ac\uac00 \ub098\uc624\uba74 \ud765\ubd84\ud574\uc11c \uc798 \uc548\ub4e4\ub9ac\uac8c \ub9c8\ub828\uc778\ub370\uc694 \uc5b4\uc81c 1\ucc28 \uc644\ub8cc \uae00\uc744 \uc62c\ub9ac\uace0 \uac00\ub9cc\ud788 \ub4e3\ub2e4\ubcf4\ub2c8 \uace0\uc74c\uc774 \uc880 \uc9f8\uc9c0\ub294 \uac83 \uac19\uace0 \ud574\uc11c \uc2a4\ucf54\ud504\ub97c \ubb3c\ub824\ubd24\uc2b5\ub2c8\ub2e4 \uadf8\ub7ac\ub354\ub2c8 \ubcfc\ub968 1\uc2dc\ubd80\ud130 4\uc2dc\uae4c\uc9c0 \ubc1c\uc9c4\uc744 \ud558\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4 \uc800\ub141\uc5d0\ub294 \ubcfc\ub968\uc744 10\uc2dc \uc774\uc0c1 \uc62c\ub9b4 \uc218 \uc5c6\uc5c8\uac70\ub4e0\uc694 (\uc774\uac83\ub3c4 \ub098\uc911\uc5d0 \ubcf4\ub2c8 \ud78c\ud2b8\uc600\uc2b5\ub2c8\ub2e4. \uc798\ubabb \uc5f0\uacb0\uc744 \ud55c \uacb0\uacfc\ub85c \uac8c\uc778\uc774 \uc5c4\uccad \uc62c\ub77c\uac00\ub354\uad70\uc694) OPT &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=1738\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">\ub514\ubc84\uae45 \uc644\ub8cc<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":1748,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[141,101,139,140],"class_list":["post-1738","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-108","tag-6n2p","tag-el34","tag-metamor","tag-140"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1738"}],"version-history":[{"count":1,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1738\/revisions"}],"predecessor-version":[{"id":1749,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1738\/revisions\/1749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/1748"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}