{"id":2790,"date":"2023-07-29T15:29:28","date_gmt":"2023-07-29T06:29:28","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=2790"},"modified":"2023-07-29T15:29:29","modified_gmt":"2023-07-29T06:29:29","slug":"c22-%ed%94%84%eb%a6%ac%ec%95%b0%ed%94%84-revisited","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=2790","title":{"rendered":"C22 \ud504\ub9ac\uc570\ud504 Revisited"},"content":{"rendered":"\n<p>C22 \ud504\ub9ac\/\ud3ec\ub178\ub97c \uc644\uc131\ud55c\uc9c0\ub3c4 1\ub144\ucbe4 \ub418\uc5c8\ub294\ub370\uc694, \uadf8 \ud6c4\uc5d0 \ub178\uc774\ub9cc WV, \ubc18\ud0ac \ub4f1\uc744 \ub354 \ub9cc\ub4e4\uace0 \ub2e4\uc2dc \ub4e4\uc5b4\ubcf4\ub2c8 \uc880 \uc18c\ub9ac\uac00 \uac70\uc2dc\uae30 \ud569\ub2c8\ub2e4. \uc77c\ub2e8 \uc560\ub2f9\ucd08 \uac70\uc758 no gain \ud504\ub9ac\uc570\ud504\ub97c \uc758\ub3c4\ud588\uc5c8\ub294\ub370 \uc2e4\uc0ac\uc6a9\uc5d0\uc11c \ubcfc\ub968\uc774 \ub9ce\uc774 \uc62c\ub824\uc57c \ud558\ub2c8\uae4c PP\uac00 \uc544\ub2cc SE\uc5d0\ub294 \uc880 \uc544\uc26c\uc6e0\uace0\uc694, \uadf8 \ub54c\ub294 \uc88b\ub2e4\uace0 \ub4e4\uc5c8\ub294\ub370 \uc9c0\uae08 \ub4e4\uc5b4\ubcf4\ub2c8 \uc18c\ub9ac\uac00 \ub9e4\ub825\uc774 \uc5c6\ub294 \uac83 \uac19\uc558\uc2b5\ub2c8\ub2e4. \uc560\ub2f9\ucd08 \ud68c\ub85c\ub3c4\ub294 \uc774\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1019\" height=\"618\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-8.png\" alt=\"\" class=\"wp-image-2791\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-8.png 1019w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-8-800x485.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-8-150x91.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-8-768x466.png 768w\" sizes=\"auto, (max-width: 1019px) 100vw, 1019px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc6d0\ub798 \ud68c\ub85c\ub294 \uc54c\ub9ac\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \ub9cc\ub4e0 \ud68c\ub85c\ub3c4\uc778\ub370 12AX7\uc744 3\uac1c \uc4f0\ub294 \ud68c\ub85c\uc600\uc2b5\ub2c8\ub2e4. \uc800\ub294 \uac70\uae30\uc11c \ub098\ub984\ub300\ub85c \uc800\ub9cc\uc758 \ud68c\ub85c\ub97c \ub9cc\ub4e4\uc5b4\ubcf8\ub2e4\uace0 3\uac1c\ub97c \ubaa8\ub450 12AU7\uc73c\ub85c \ubc14\uafb8\uace0 \uc2dc\uc815\uc218\ub97c \ubc14\uafe8\ub294\ub370, \uc544\ubb34 \uac83\ub3c4 \ubaa8\ub974\uace0 \uc624\ub85c\uc9c0 LTspice\ub85c \ubb34\ud55c \ubc18\ubcf5 \uc2dc\ubbac\ub808\uc774\uc158\uc744 \ub3cc\ub824\uc11c \ud655\uc815\ud55c \uc2dc\uc815\uc218\uc600\uc2b5\ub2c8\ub2e4. \uc0ac\uc2e4 \uc9c0\uae08\ub3c4 \ud504\ub9ac \uc570\ud504 \uc124\uacc4 \ubabb\ud569\ub2c8\ub2e4. ^^<\/p>\n\n\n\n<p>\uc774 \uc0c1\ud0dc\uc5d0\uc11c gain\uc740 \uc774\ub807\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\/2023\/07\/scope_156.png\" alt=\"\" class=\"wp-image-2792\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_156.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_156-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_156-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc800 \ud68c\ub85c\uc5d0\uc11c \uac04\ub2e8\ud788 gain\uc744 \ub298\ub9ac\uae30 \uc704\ud574\uc11c 3\uad70\ub370\ub97c \ubc14\uafb8\uace0 \uc0ac\ub193\uace0 \uc4f0\uc9c0\ub97c \ubabb\ud55c \uc911\uad6d\uc0b0 \uc2e4\ubc84 2.0uF\uae4c\uc9c0 \uc801\uc6a9\ud574 \ubd24\uc2b5\ub2c8\ub2e4. \ud770\uc0c9 MKPA-S\ub77c\uace0 \uc801\ud78c \uce90\ud328\uc2dc\ud130\uc785\ub2c8\ub2e4. \uae30\uc874 \ud68c\ub85c \ub300\ube44 \uc218\uc815\ud55c \uacf3\uc740 \uc810\uc120 \uc0ac\uac01\ud615\uc73c\ub85c \ud45c\uc2dc\uac00 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. 1\ub2e8\uacfc 2\ub2e8\uc758 \uc804\ub958\ub97c \ub298\ub9ac\uae30 \uc704\ud55c \uc218\uc815\uc785\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1043\" height=\"623\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-9.png\" alt=\"\" class=\"wp-image-2793\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-9.png 1043w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-9-800x478.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-9-150x90.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/image-9-768x459.png 768w\" sizes=\"auto, (max-width: 1043px) 100vw, 1043px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"3840\" height=\"2160\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/20230729_104912-3840x2160.jpg\" alt=\"\" class=\"wp-image-2796\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/20230729_104912-3840x2160.jpg 3840w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/20230729_104912-800x450.jpg 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/20230729_104912-150x84.jpg 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/20230729_104912-768x432.jpg 768w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/20230729_104912-1536x864.jpg 1536w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/20230729_104912-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 3840px) 100vw, 3840px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc791\uc740 PCB\uc5d0 \ud070 \ubd80\ud488\ub4e4\uc744 \ub54c\ub824 \ub123\uc73c\ub2c8 \ub09c\uc7a5\ud310\uc785\ub2c8\ub2e4. \ucc38\uace0\ub85c \uc774 PCB\ub294 \uc54c\ub9ac \ub9c8\ub780\uce20 7 \ud504\ub9ac \uae30\ud310\uc778\ub370 \uc54c\ub9ac C22\uc640 \ud68c\ub85c\uc801\uc73c\ub85c \ub2e4\ub978 \uacf3\uc774 \uac70\uc758 \uc5c6\uc2b5\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc774 \uae30\ud310\uc5d0 C22 \ud68c\ub85c\ub97c \uc9d1\uc5b4\ub123\uc5c8\uc8e0. \uc54c\ub9ac \ud68c\ub85c\ub3c4 \uae30\uc900\uc73c\ub85c C22, M7\uc774 \ucc28\uc774\uac00 \ub098\ub294 \ubd80\ubd84\uc740 \uc608\ub97c \ub4e4\uba74 C6 36pF \uac19\uc740 \ubd80\ubd84\uc785\ub2c8\ub2e4. \uc704\uc758 \uc0ac\uc9c4\uc5d0\ub294 WIMA 0.1uF \ube68\uac04\uc0c9 \uc55e\uc5d0 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>FRA\ub294 \uc544\ub798\uc640 \uac19\uc774 \ubc14\ub00c\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\/2023\/07\/scope_160.png\" alt=\"\" class=\"wp-image-2794\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_160.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_160-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_160-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>8dB \uc815\ub3c4 \ub354 gain\uc744 \uc5bb\uc5b4\uc11c \ubcfc\ub968 \uc870\uc791\uc774 \ud3b8\ud574\uc84c\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\/2023\/07\/scope_161.png\" alt=\"\" class=\"wp-image-2795\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_161.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_161-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/07\/scope_161-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>Gain\uc774 \ucee4\uc9c0\ub2c8 2\ucc28 \ubc30\uc74c\ub3c4 \uc0dd\uae41\ub2c8\ub2e4\ub9cc, \uc9d1\uc5d0\uc11c \uc774 \ubcfc\ub968 \ud06c\uae30\ub85c\ub294 \uc808\ub300\ub85c \ub4e4\uc744 \uc218 \uc5c6\uaca0\uc8e0.<\/p>\n\n\n\n<p>\ub300\ub0ae\uc774\ub2c8\uae4c Rock\uc744 \ub179\uc74c\ud574 \ubd24\uc2b5\ub2c8\ub2e4. 14\ubd84\uc9dc\ub9ac \ub77c\uc774\ube0c \uc5f0\uc8fc\uc5d0\uc11c 4\ubd84\uc9dc\ub9ac \uc5d4\ub529 \uae30\ud0c0 \uc194\ub85c \ubd80\ubd84\ub9cc \ub179\uc74c\ud574 \ubd24\ub294\ub370 \uc5b4\ucc28\ud53c \uc2e4\uc81c\uc640 \ub179\uc74c\uc740 \ub2e4\ub974\ub2c8 \uc548 \ub4e4\uc5b4 \ubcf4\uc154\ub3c4 \ub429\ub2c8\ub2e4. ^^<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"epyt-video-wrapper\"><iframe loading=\"lazy\"  id=\"_ytid_61846\"  width=\"620\" height=\"370\"  data-origwidth=\"620\" data-origheight=\"370\"  data-relstop=\"1\" src=\"https:\/\/www.youtube.com\/embed\/jxs0ECDgC14?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=0&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  epyt-is-override  no-lazyload\" title=\"YouTube player\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><\/div>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>C22 \ud504\ub9ac\/\ud3ec\ub178\ub97c \uc644\uc131\ud55c\uc9c0\ub3c4 1\ub144\ucbe4 \ub418\uc5c8\ub294\ub370\uc694, \uadf8 \ud6c4\uc5d0 \ub178\uc774\ub9cc WV, \ubc18\ud0ac \ub4f1\uc744 \ub354 \ub9cc\ub4e4\uace0 \ub2e4\uc2dc \ub4e4\uc5b4\ubcf4\ub2c8 \uc880 \uc18c\ub9ac\uac00 \uac70\uc2dc\uae30 \ud569\ub2c8\ub2e4. \uc77c\ub2e8 \uc560\ub2f9\ucd08 \uac70\uc758 no gain \ud504\ub9ac\uc570\ud504\ub97c \uc758\ub3c4\ud588\uc5c8\ub294\ub370 \uc2e4\uc0ac\uc6a9\uc5d0\uc11c \ubcfc\ub968\uc774 \ub9ce\uc774 \uc62c\ub824\uc57c \ud558\ub2c8\uae4c PP\uac00 \uc544\ub2cc SE\uc5d0\ub294 \uc880 \uc544\uc26c\uc6e0\uace0\uc694, \uadf8 \ub54c\ub294 \uc88b\ub2e4\uace0 \ub4e4\uc5c8\ub294\ub370 \uc9c0\uae08 \ub4e4\uc5b4\ubcf4\ub2c8 \uc18c\ub9ac\uac00 \ub9e4\ub825\uc774 \uc5c6\ub294 \uac83 \uac19\uc558\uc2b5\ub2c8\ub2e4. \uc560\ub2f9\ucd08 \ud68c\ub85c\ub3c4\ub294 \uc774\ub807\uc2b5\ub2c8\ub2e4. \uc6d0\ub798 \ud68c\ub85c\ub294 \uc54c\ub9ac\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \ub9cc\ub4e0 &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=2790\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">C22 \ud504\ub9ac\uc570\ud504 Revisited<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":2791,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[169,174,390],"class_list":["post-2790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-108","tag-12au7","tag-c22-","tag-mkpa-s"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/2790","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=2790"}],"version-history":[{"count":1,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/2790\/revisions"}],"predecessor-version":[{"id":2797,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/2790\/revisions\/2797"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/2791"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}