{"id":2455,"date":"2023-03-23T23:18:35","date_gmt":"2023-03-23T14:18:35","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=2455"},"modified":"2023-03-23T23:18:37","modified_gmt":"2023-03-23T14:18:37","slug":"%eb%b0%98%ed%82%ac-%ed%8a%9c%eb%8b%9d-1","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=2455","title":{"rendered":"\ubc18\ud0ac \ud29c\ub2dd #1"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/s-l1600.jpg\" alt=\"\" class=\"wp-image-2462\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/s-l1600.jpg 1024w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/s-l1600-800x600.jpg 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/s-l1600-150x113.jpg 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/s-l1600-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc624\ub298\uc740 \uc544\uc8fc \uc870\uae08 \uce21\uc815\uc744 \ud574\ubd24\uc2b5\ub2c8\ub2e4. \uc77c\ub2e8 UTC \ud2b8\ub79c\uc2a4\uc758 2\ucc28\uc5d0 \ubcd1\ub82c \uc800\ud56d \uc5c6\ub294 \uc0c1\ud0dc\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\/2023\/03\/scope_336.png\" alt=\"\" class=\"wp-image-2459\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_336.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_336-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_336-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>Vpk-pk 1V\ub97c \uc8fc\uace0 \ubcfc\ub968\uc744 \ucd5c\ub300\ub85c \ud558\ub2c8 gain\uc774 10.5\ubc30 \uc815\ub3c4&#8230; \ub108\ubb34 \ud070 \uac83 \uac19\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\/03\/scope_337.png\" alt=\"\" class=\"wp-image-2460\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_337.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_337-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_337-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\ud654\uba74 \uc544\ub798\uc5d0 26.5V\ub85c gain\uc774 26.5\ubc30\ucc98\ub7fc \ud45c\uc2dc\ub41c \uac83\uc740 \uc9c0\uae08 \uc0ac\uac01\ud30c \uc785\ub825\uc5d0\uc11c \uc624\ubc84\uc29b\/\uc5b8\ub354\uc29b\uc774 \uc5b4\ub9c8\uc5b4\ub9c8\ud558\uac8c \uc788\uae30 \ub54c\ubb38\uc5d0 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \uadf8\ub0e5 Bode plot\uc758 20dB\ub97c \ubcf4\uc2dc\uba74 \ub429\ub2c8\ub2e4. \ucd08\uc800\uc5ed, \ucd08\uace0\uc5ed\uc758 \uc751\ub2f5\ud2b9\uc131\uc774 \ubaa8\ub450 \uc548 \uc88b\uc2b5\ub2c8\ub2e4. \ud2b8\ub79c\uc2a4\uc758 2\ucc28\uc5d0 \ubcd1\ub82c \uc800\ud56d\uc744 \ubd99\uc5ec\ubd05\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uba3c\uc800 330\uc634\ubd80\ud130 \uc2dc\uc791\ud574\ubd05\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\/03\/scope_338.png\" alt=\"\" class=\"wp-image-2461\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_338.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_338-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_338-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>-3dB \uad6c\uac04\uc744 \uc815\ud655\ud558\uac8c \ub9d0\ud558\uae30\ub294 \ud798\ub4e0\ub370 25~55KHz \ucbe4 \ub418\uc9c0 \uc54a\ub098 \uc2f6\uc2b5\ub2c8\ub2e4. Gain\uc774 \uc880 \ub9c8\uc74c\uc5d0 \uc548 \ub4e4\uc5b4\uc11c 750\uc634\uc73c\ub85c \uc62c\ub824\ubd05\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\/03\/scope_339.png\" alt=\"\" class=\"wp-image-2456\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_339.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_339-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_339-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\uc74c&#8230; gain\uc774 \uc870\uae08\ub9cc \uc62c\ub77c\uac00\uae38 \uae30\ub300\ud588\ub294\ub370 \uc880 \ub9ce\uc774 \uc62c\ub77c\uac00\uace0 \ucd08\uc800\uc5ed\uc774 \uc870\uae08&#8230; 560\uc634\uc73c\ub85c \ub0b4\ub824\ubd05\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\/03\/scope_340.png\" alt=\"\" class=\"wp-image-2457\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_340.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_340-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_340-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>4\ubc30 \uc815\ub3c4\uba74 \uace8\ubc29\uc6a9\uc758 low gain pre\ub85c \uc801\ub2f9\ud55c \uac83 \uac19\uc2b5\ub2c8\ub2e4. \uc77c\ub2e8 \uc774\ub807\uac8c 1\ucc28 \ud29c\ub2dd\uc744 \ub9c8\ubb34\ub9ac \ud558\ub824\uace0 \ud558\ub2e4\uac00 \uc544\uc8fc \ubbf8\uc138\ud55c \ud5d8? \ub178\uc774\uc988?\uc758 \uc6d0\uc778\uc774 \uc9c4\uacf5\uad00 \ub54c\ubb38\uc774 \uc544\ub2d0\uae4c \ud574\uc11c \ubc14\uafd4\ubcfc \uad00\uc744 \ucc3e\ub294\ub370 \uc801\ub2f9\ud55c\uac8c PCC189 \ubc16\uc5d0 \uc5c6\uc2b5\ub2c8\ub2e4. \ub9c8\uce68 DC \uc810\ud654\ub97c \ud558\uace0 \uc788\uc73c\ub2c8 \ud788\ud130 \uc804\uc555\uc744 7.45V \uc815\ub3c4\ub85c \uc62c\ub9ac\uace0 NOS \ud544\ub9bd\uc2a4 PCC189\ub97c \ub07c\uc6cc\ubd24\uc2b5\ub2c8\ub2e4. \uacc4\uc18d 560\uc634\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\/2023\/03\/scope_341.png\" alt=\"\" class=\"wp-image-2458\" srcset=\"https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_341.png 800w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_341-150x94.png 150w, https:\/\/www.kyu.kr\/wp-content\/uploads\/2023\/03\/scope_341-768x483.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>\ud788\ud130 \uc804\uc555\ub9cc \ub2e4\ub974\uc9c0 \uac70\uc758 \ub3d9\ub4f1\uad00\uc774\ub77c\uace0 \uc0dd\uac01\ud588\ub294\ub370 gain\uc740 \uaf64 \ucc28\uc774\uac00 \uc788\ub124\uc694. \uadf8\ub7f0\ub370 \uae30\ub300\ub300\ub85c \ub178\uc774\uc988\uac00 \uc5c6\uc5b4\uc84c\uc2b5\ub2c8\ub2e4! \uc554\ud398\ub809\uc2a4 \uc624\ub80c\uc9c0 \uae00\ub85c\ube0c ecc88\uc774 \uc7a1\uc74c\uc774 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc740 \uac00\uc2b4\uc774 \uc544\ud504\uc9c0\ub9cc \ud544\ub9bd\uc2a4 PCC189\uac00 \uc7a1\uc74c\uc774 \uc5c6\uc73c\uba74 \uadf8\ub0e5 \uc774\uac78 \uc4f0\uba74 \ub429\ub2c8\ub2e4. Gain\uc740 330\uc634 \ub300\ube44 \uac70 \uc6d0\uc0c1\ubcf5\uadc0\uc778\ub370, \uace8\ubc29\uc6a9\uc5d0\uc11c\ub294 \uc5ec\uc804\ud788 9\uc2dc \uc774\uc0c1 \ubcfc\ub968\uc744 \uc62c\ub9ac\uae30\ub294 \ubd88\uc548\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc77c\ub2e8 \uc624\ub298 \ud29c\ub2dd\uc740 \uc774\uac78\ub85c \ub9c8\uce58\uace0 \uc74c\uc545\uc744 \ub4e4\uc5b4\ubcf4\ub294\ub370 \uc18c\ub9ac\uac00 \uad1c\ucc2e\uc2b5\ub2c8\ub2e4. WV2\ub294 \uc18c\ub9ac\uac00 \uc880 \ubb34\uac70\uc6b4\ub370 \ubc18\ud0ac\uc740 \uc880 \ub0a0\ub835\ud558\ub2e4\ub294 \ub290\ub08c\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc624\ub298\uc740 \uc544\uc8fc \uc870\uae08 \uce21\uc815\uc744 \ud574\ubd24\uc2b5\ub2c8\ub2e4. \uc77c\ub2e8 UTC \ud2b8\ub79c\uc2a4\uc758 2\ucc28\uc5d0 \ubcd1\ub82c \uc800\ud56d \uc5c6\ub294 \uc0c1\ud0dc\uc785\ub2c8\ub2e4. Vpk-pk 1V\ub97c \uc8fc\uace0 \ubcfc\ub968\uc744 \ucd5c\ub300\ub85c \ud558\ub2c8 gain\uc774 10.5\ubc30 \uc815\ub3c4&#8230; \ub108\ubb34 \ud070 \uac83 \uac19\uc2b5\ub2c8\ub2e4. \ud654\uba74 \uc544\ub798\uc5d0 26.5V\ub85c gain\uc774 26.5\ubc30\ucc98\ub7fc \ud45c\uc2dc\ub41c \uac83\uc740 \uc9c0\uae08 \uc0ac\uac01\ud30c \uc785\ub825\uc5d0\uc11c \uc624\ubc84\uc29b\/\uc5b8\ub354\uc29b\uc774 \uc5b4\ub9c8\uc5b4\ub9c8\ud558\uac8c \uc788\uae30 \ub54c\ubb38\uc5d0 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \uadf8\ub0e5 Bode plot\uc758 20dB\ub97c \ubcf4\uc2dc\uba74 \ub429\ub2c8\ub2e4. \ucd08\uc800\uc5ed, \ucd08\uace0\uc5ed\uc758 \uc751\ub2f5\ud2b9\uc131\uc774 \ubaa8\ub450 \uc548 \uc88b\uc2b5\ub2c8\ub2e4. \ud2b8\ub79c\uc2a4\uc758 2\ucc28\uc5d0 &hellip;<br \/><a href=\"https:\/\/www.kyu.kr\/?p=2455\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">\ubc18\ud0ac \ud29c\ub2dd #1<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":2462,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[121,329,318,273,317,331,332],"class_list":["post-2455","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-108","tag-bode-plot","tag-ecc88","tag-halfkill","tag-pcc189","tag-317","tag-331","tag-332"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/2455","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=2455"}],"version-history":[{"count":1,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/2455\/revisions"}],"predecessor-version":[{"id":2463,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/2455\/revisions\/2463"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/2462"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}