{"id":1801,"date":"2022-07-09T14:20:21","date_gmt":"2022-07-09T05:20:21","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=1801"},"modified":"2022-07-09T14:23:42","modified_gmt":"2022-07-09T05:23:42","slug":"%ed%94%84%eb%a6%ac%ec%95%b0%ed%94%84-%ec%b8%a1%ec%a0%95%ec%b9%98","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=1801","title":{"rendered":"\ud504\ub9ac\uc570\ud504 \uce21\uc815\uce58"},"content":{"rendered":"\n<p>\uba3c\uc800 4\uac01\ud30c \uc785\ub825\uc785\ub2c8\ub2e4. 20Hz. \uc0ac\uac01\ud30c\ub294 \uc624\ub514\uc624 \uc570\ud504\uc5d0\uac8c \ud798\ub4e0 \ud30c\ud615\uc774\ub77c\uace0 \ub4e4\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_31.png\" alt=\"\" class=\"wp-image-1802\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_31.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_31-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_31-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>100Hz\ub9cc \ub3fc\ub3c4 \uaf64 \uc88b\uc544\uc9d1\ub2c8\ub2e4<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_32.png\" alt=\"\" class=\"wp-image-1803\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_32.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_32-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_32-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc774\ubc88\uc5d0\ub294 440Hz.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_33.png\" alt=\"\" class=\"wp-image-1804\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_33.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_33-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_33-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>1KHz.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_34.png\" alt=\"\" class=\"wp-image-1805\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_34.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_34-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_34-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>10KHz\uc5d0\uc11c \uc870\uae08 \ubb34\ub108\uc9c0\ub124\uc694.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_35.png\" alt=\"\" class=\"wp-image-1806\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_35.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_35-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_35-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\uac00\uccad\uc8fc\ud30c\uc218 \ud55c\uacc4\ub77c\ub294 22KHz. \ub098\uc058\uc9c0 \uc54a\ub124\uc694<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_36.png\" alt=\"\" class=\"wp-image-1807\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_36.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_36-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_36-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>Sine wave\ub294 \uadf8\ub0e5 \ub2e4 \uc88b\uc2b5\ub2c8\ub2e4. \uc0ac\uc9c4 \uc624\ub978\ucabd\uc5d0 \uc8fc\ud30c\uc218\uac00 \uc801\ud600 \uc788\uc2b5\ub2c8\ub2e4<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_41.png\" alt=\"\" class=\"wp-image-1808\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_41.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_41-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_41-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_40.png\" alt=\"\" class=\"wp-image-1814\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_40.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_40-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_40-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_39.png\" alt=\"\" class=\"wp-image-1813\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_39.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_39-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_39-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_38.png\" alt=\"\" class=\"wp-image-1812\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_38.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_38-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_38-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_37.png\" alt=\"\" class=\"wp-image-1815\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_37.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_37-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_37-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>Bode plot \uce21\uc815\uce58\uc785\ub2c8\ub2e4<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"503\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_43.png\" alt=\"\" class=\"wp-image-1810\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_43.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_43-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/scope_43-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>LPspice \uc2dc\ubbac\ub808\uc774\uc158\uacfc \ube44\uad50\ub97c \ud574\ubcfc\uae4c\uc694?<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1056\" height=\"627\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/image-2.png\" alt=\"\" class=\"wp-image-1817\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/image-2.png 1056w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/image-2-800x475.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/image-2-150x89.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2022\/07\/image-2-768x456.png 768w\" sizes=\"auto, (max-width: 1056px) 100vw, 1056px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc2dc\ubbac\ub808\uc774\uc158\uc5d0\uc11c\ub294 0.2~0.3dB \uc815\ub3c4 \ub354 gain\uc774 \ub418\ub294 \uac78\ub85c \ub098\uc624\ub294\ub370 \uc2e4\uce21\uc73c\ub85c\ub294 8.05dB gain\uc73c\ub85c \ub098\uc624\uc9c0\ub9cc \ub9e4\uc6b0 \uc720\uc0ac\ud558\uac8c \uce21\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uc815\ub3c4\uba74 \ubbf8\ub9ac \uc2dc\ubbac\ub808\uc774\uc158\uc744 \ud574\ubcf8 \uc758\ubbf8\uac00 \ucda9\uc871\ub418\uc5c8\ub2e4\uace0 \ubcf4\uc5ec\uc9d1\ub2c8\ub2e4. \uc6d0\ub798 \ud68c\ub85c\ub294 12AX7\uc744 \uc368\uc11c 10\ubc30\ucbe4 \uc99d\ud3ed\ud558\ub294 \ud68c\ub85c\uc774\uc9c0\ub9cc 12AU7\uc73c\ub85c \ubc14\uafd4\uc11c 3\ubc30 \uc774\ud558\ub85c \uc99d\ud3ed\ud558\ub824\uace0 \ud588\ub358 \uc758\ub3c4\uac00 \ucda9\uc871\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>THD\ub294 0.045%\ub85c \uc2dc\ubbac\ub418\uc5c8\ub294\ub370 Audio Analyzer\uac00 \uc5c6\uc5b4\uc11c \uce21\uc815\uc740 \ubabb\ud574\ubcf4\uc9c0\ub9cc \uc544\ub9c8 \uc720\uc0ac\ud558\uc9c0 \uc54a\uc744\uae4c \uc2f6\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uba3c\uc800 4\uac01\ud30c \uc785\ub825\uc785\ub2c8\ub2e4. 20Hz. \uc0ac\uac01\ud30c\ub294 \uc624\ub514\uc624 \uc570\ud504\uc5d0\uac8c \ud798\ub4e0 \ud30c\ud615\uc774\ub77c\uace0 \ub4e4\uc5c8\uc2b5\ub2c8\ub2e4. 100Hz\ub9cc \ub3fc\ub3c4 \uaf64 \uc88b\uc544\uc9d1\ub2c8\ub2e4 \uc774\ubc88\uc5d0\ub294 440Hz. 1KHz. 10KHz\uc5d0\uc11c \uc870\uae08 \ubb34\ub108\uc9c0\ub124\uc694. \uac00\uccad\uc8fc\ud30c\uc218 \ud55c\uacc4\ub77c\ub294 22KHz. \ub098\uc058\uc9c0 \uc54a\ub124\uc694 Sine wave\ub294 \uadf8\ub0e5 \ub2e4 \uc88b\uc2b5\ub2c8\ub2e4. \uc0ac\uc9c4 \uc624\ub978\ucabd\uc5d0 \uc8fc\ud30c\uc218\uac00 \uc801\ud600 \uc788\uc2b5\ub2c8\ub2e4 Bode plot \uce21\uc815\uce58\uc785\ub2c8\ub2e4 LPspice \uc2dc\ubbac\ub808\uc774\uc158\uacfc \ube44\uad50\ub97c \ud574\ubcfc\uae4c\uc694? \uc2dc\ubbac\ub808\uc774\uc158\uc5d0\uc11c\ub294 0.2~0.3dB \uc815\ub3c4 \ub354 gain\uc774 \ub418\ub294 \uac78\ub85c \ub098\uc624\ub294\ub370 \uc2e4\uce21\uc73c\ub85c\ub294 8.05dB gain\uc73c\ub85c \ub098\uc624\uc9c0\ub9cc \ub9e4\uc6b0 &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=1801\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">\ud504\ub9ac\uc570\ud504 \uce21\uc815\uce58<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":1802,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[121,174,151,171,172],"class_list":["post-1801","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-108","tag-bode-plot","tag-c22-","tag-ltspice","tag-171","tag-172"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1801","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=1801"}],"version-history":[{"count":3,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1801\/revisions"}],"predecessor-version":[{"id":1821,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/1801\/revisions\/1821"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/1802"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}