{"id":3400,"date":"2024-01-07T21:29:29","date_gmt":"2024-01-07T12:29:29","guid":{"rendered":"https:\/\/www.kyu.kr\/?p=3400"},"modified":"2024-01-07T21:33:18","modified_gmt":"2024-01-07T12:33:18","slug":"%ea%b3%b5%eb%b6%80-dc-coupled-cathode-follower","status":"publish","type":"post","link":"https:\/\/www.kyu.kr\/?p=3400","title":{"rendered":"(\uacf5\ubd80) DC Coupled Cathode Follower"},"content":{"rendered":"\n

\uc6d0\ubb38\uc740 https:\/\/www.valvewizard.co.uk\/dccf.html<\/a> \uc77c\uc77c\uc774 \ud0c0\uc774\ud551\uc744 \ud558\uba74 \ub354 \uc774\ud574\uac00 \uc798 \ub420\uae4c\ubd10 \ud574\ubd24\ub294\ub370 \uc5ec\uc804\ud788 \ubb54 \uc18c\ub9b0\uc9c0 \ubaa8\ub974\uaca0\uad70\uc694. \u3161.\u3161<\/p>\n\n\n\n

\ub9ce\uc740 \uae30\ud0c0 \uc570\ud504\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uce90\ud314 \ud68c\ub85c\ub294 \ub9e4\uc6b0 \uc77c\ubc18\uc801\uc784. \uc8fc\ub85c \ud1a4 \uc2a4\ud0dd\uc744 \uad6c\ub3d9\ud558\ub294\ub370, \uc77c\ubc18\uc801\uc778 gain \uc2a4\ud14c\uc774\uc9c0\ub85c \uad6c\ub3d9\ud588\ub2e4\uba74 \ub9e4\uc6b0 \ud070 \ubd80\ud558\ub97c \uc8fc\uace0, \uc0c1\ub2f9\ud55c \uac10\uc1c4\uac00 \ubc1c\uc0dd\ud558\ub294 \ubd80\ubd84\uc774 \uce90\ud314\uc5d0 \uc758\ud574\uc11c \ub300\uccb4\ub418\uace0 \uc788\uc74c. \uce90\ud314\uc758 \ub0ae\uc740 \ucd9c\ub825 \uc784\ud53c\ub358\uc2a4\ub294 \ud070 \ubd80\ud558\ub97c \uc5f0\uacb0\ud574\ub3c4 \uc27d\uac8c \uc804\ub958\ub97c \ud758\ub824\uc904 \uc218 \uc788\uc74c<\/p>\n\n\n\n

\uc704\ub294 \uae30\uc220\uc801\uc778 \uad00\uc810\uc774\uace0, \ubc18\ub300\ub85c \uae30\ud0c0 \uc570\ud504\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uce90\ud314\uc5d0\ub294 \uc0c1\ub2f9\ud788 \ud2b9\uc774\ud55c \ubd80\ubd84\ub3c4 \uc788\uc74c. \ub2e8\uc21c\ud788 \ud1a4 \uc2a4\ud0dd\uc744 \uad6c\ub3d9\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c \ub354 \ub9ce\uc740 \ub514\uc2a4\ud1a0\uc158\uc744 \ub9cc\ub4e4\uc5b4\ub0bc \uc218 \uc788\uae30 \ub54c\ubb38\uc784. \ub9e4\uc6b0 gain\uc774 \ud070 \uae30\ud0c0 \uc570\ud504\uc5d0 \ubcf4\uba74 \ubc18\ub4dc\uc2dc \uc5b4\ub290 \ud55c \ubd80\ubd84\uc5d0\ub294 \uce90\ud314\uc774 \uc0ac\uc6a9\ub418\uace0 \uc788\uc74c. \uc5ec\ub7ec \uac1c\uac00 \uc0ac\uc6a9\ub418\uae30\ub3c4 \ud568. \uc7ac\ubbf8\uc788\ub294 \uac83\uc740 \uad50\uacfc\uc11c\uc801 \uad00\uc810\uc5d0\uc11c \ubcf4\uba74 \uc798\ubabb \uc124\uacc4\ub41c \uce90\ud314\uc774 \ub9e4\uc6b0 \ub4e3\uae30 \uc88b\uc740 \uc18c\ub9ac\ub97c \ub9cc\ub4e4\uc5b4\ub0c4.<\/p>\n\n\n

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\ub300\uac1c ECC83\uc744 gain\uc744 \uc5bb\uae30 \uc704\ud574 \uc0ac\uc6a9\ud558\ub294\ub370 \uc5ec\uae30\uc5d0 ECC83 \uce90\ud314\uc774 \ubd99\uc5b4 \uc788\ub294 \uadf8\ub9bc\uc784. 100K \ubd80\ud558 \uc800\ud56d\uc744 \uacf5\uc720\ud558\uace0 \uc788\uace0 \uc55e\ub2e8\uc758 \ubc14\uc774\uc5b4\uc2a4\ub294 \uadf8\ub9ac \uc911\uc694\ud558\uc9c0 \uc54a\uc544\uc11c \uc77c\ubc18\uc801\uc778 \uc2dc\uc815\uc218\ub97c \uc500. \uadf8\ub798\uc11c \uc774 \ud68c\ub85c\uc758 \ubb50\uac00 \uc7ac\ubbf8\uc788\ub2e4\ub294 \uac83\uc778\uc9c0 \uc54c\ub824\uba74 \ub85c\ub4dc\ub77c\uc778\uc744 \ubcf4\uba74 \ub098\uc634. \uc704\uc758 \uc608\uc5d0\uc11c\ub294 300V B+\uac00 \uac78\ub838\ub294\ub370 \uc800\uac83\ub3c4 \uc2e4\uc81c \uba87 \ubcfc\ud2b8\ub97c \uac70\ub294\uc9c0\uac00 \uc911\uc694\ud558\uc9c0\ub3c4 \uc54a\uc74c<\/p>\n\n\n

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\uc704\uc758 \ub85c\ub4dc\ub77c\uc778\uc5d0\uc11c \ubc14\uc774\uc5b4\uc2a4 \ud3ec\uc778\ud2b8\ub294 \uc5b4\ub514\ub85c \ud558\ub4e0 \uc0c1\uad00\uc5c6\uc73c\ub098 \uc8fc\ub85c \uac00\uc6b4\ub370 \ubd80\ubd84\uc744 \uc500. \uc704\uc758 \uc608\uc5d0\uc11c\ub294 -1.5V (\ub179\uc0c9\uc810) \uc778\ub370 quiescent voltage\ub294 195V \uc815\ub3c4\uc784. \uc774 \ub85c\ub4dc\ub77c\uc778\uc774 \uc65c \ub098\uc05c \uc124\uacc4\uc778\uac00 \ud558\uba74 gain stage\uc758 \ud50c\ub808\uc774\ud2b8 \uc804\uc555\uc774 \ub108\ubb34 \ub192\ub2e4\ub294 \uac83\uc784. \uad50\uacfc\uc11c\uc5d0 \ubcf4\uba74 \ub354 \ud070 \uc800\ud56d\uc744 \uc4f0\uac70\ub098 \ub354 \uc791\uc740 \ubc14\uc774\uc5b4\uc2a4\ub97c \uac78\uc5b4\uc11c HT\uc758 \uc57d 1\/2\uc744 \uc120\ud0dd\ud558\ub77c\uace0 \ub098\uc640 \uc788\uc74c.<\/p>\n\n\n

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\uc704\ub294 \uce90\ud314\uc758 \ub85c\ub4dc\ub77c\uc778\uc778\ub370, x\ucd95\uc740 anode-to-cathode \uc804\uc555\uc784. \ud558\uc9c0\ub9cc \uc6b0\ub9ac\ub294 cathode-to-ground \uc804\uc555\ub3c4 \ubcf4\ub824\uace0 \ud558\uae30 \ub54c\ubb38\uc5d0 \uadf8\ub798\ud504\uc758 \ub9e8 \uc704\uc5d0 \uc801\uc740 \uac83 \ucc98\ub7fc (Vk) \uc88c\uc6b0\ub97c \ub4a4\uc9d1\uc5b4\uc11c \ud45c\uae30\ud574 \uc8fc\uba74 \ub428. (\ud50c\ub808\uc774\ud2b8\uc5d0 \uc804\ub958\uac00 \ud750\ub974\uc9c0 \uc54a\uc73c\uba74 \uce90\uc18c\ub4dc \uc804\uc555\uc774 0V\uac00 \ub41c\ub2e4\ub294 \ub73b\uc784)<\/p>\n\n\n\n

\uc77c\ubc18 \ub3d9\uc791\uc5d0\uc11c \uce90\uc18c\ub4dc \uc804\uc555\uc740 \uadf8\ub9ac\ub4dc \uc804\uc555\ubcf4\ub2e4 \uba87 \ubcfc\ud2b8 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c\uace0 \uc788\uc9c0\ub9cc \uadf8\ub0e5 195V\ub85c \ub458\uc774 \uac19\ub2e4\uace0 \ud558\uaca0\uc74c. \ub179\uc0c9 \uc810\uc744 \ubcf4\uba74 \uc774\ubbf8 \ubc14\uc774\uc5b4\uc2a4 0V \ubd80\uadfc\uc5d0 \uac00\uae4c\uc774 \uc788\ub294\ub370, \uc2e4\uc81c\ub85c\ub294 \uce90\uc18c\ub4dc \uc804\uc555\uc774 \uba87 \ubcfc\ud2b8 \ub354 \ub192\uc544\uc57c \ud558\ubbc0\ub85c \ub3d9\uc791\uc810\uc740 \uadf8\ub798\ud504\ubcf4\ub2e4\ub294 \ub354 \ub192\uc744 \uac83\uc784. \uc5ec\uae30\uc11c \uc0dd\uae30\ub294 \ubb38\uc81c\ub294 \uc99d\ud3ed\ub2e8\uc758 \ub192\uc740 \ud50c\ub808\uc774\ud2b8 \uc804\uc555\uc5d0 \uc758\ud574 \uce90\ud314\uc774 Hot \ubc14\uc774\uc5b4\uc2a4 \ucabd\uc73c\ub85c \uc774\ub3d9\ud558\uac8c \ub418\uba74\uc11c \uadf8\ub9ac\ub4dc \uc804\ub958\ub97c \ub561\uae30\uae30 \uc2dc\uc791\ud55c\ub2e4\ub294 \uc810. \uc774\ub7ec\uba74 \uc55e\ub2e8\uc758 \ud50c\ub808\uc774\ud2b8 \uc804\uc555\uc744 \ub04c\uc5b4\ub0b4\ub9ac\uac8c \ub418\uace0 \uce90\ud314\ub2e8\uc758 \uce90\uc18c\ub4dc \uc804\uc555\uc744 \uc62c\ub9ac\uac8c \ub428. \uc774\ub7ec\ub2e4\uac00 \uc5b8\uc820\uac00\ub294 \uade0\ud615\uc810\uc5d0 \ub3c4\ucc29\ud574\uc11c \uadf8\ub9ac\ub4dc \uc804\ub958\uac00 \ub354 \uc774\uc0c1 \uc99d\uac00\ud558\uc9c0 \uc54a\uc744 \uc815\ub3c4\uc758 \ubc14\uc774\uc5b4\uc2a4 \uc9c0\uc810\uc5d0 \uba48\ucd94\uac8c \ub420 \uac83\uc784. \ub2e4\ub978 \ub9d0\ub85c \ud558\uc790\uba74 \uadf8\ub9ac\ub4dc \uc804\ub958\uac00 \uacc4\uc18d\ud574\uc11c \uce90\ud314\ub85c \ud750\ub974\uac8c \ub418\ub294\ub370 \uc2e4\ud5d8\uc744 \ud574\ubcf4\uba74 0.4mA \uc815\ub3c4\ub85c \ud750\ub974\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc5c8\uc74c.<\/p>\n\n\n\n

\uc704\uc758 \uc774\uc57c\uae30\uac00 \uc65c \uc774 \ud68c\ub85c\uac00 “\uc798\ubabb” \uc124\uacc4\ub418\uc5c8\ub294\uc9c0\uc5d0 \ub300\ud55c \ub450 \ubc88\uc9f8 \uc774\uc720\uc784. \uc6b0\ub9ac\ub294 ECC82\uac19\uc774 \ub354 \uc791\uc740 \ud50c\ub808\uc774\ud2b8 \uc800\ud56d\uac12\uc744 \uac00\uc9c0\ub294 \uad00\uc744 \uc37c\uc5b4\uc57c \ud568. \uadf8\ub7ec\uba74 \uadf8\ub9ac\ub4dc \ucee4\ube0c\uac00 \ub354 \uc11c\uac8c \ub418\uace0 “normal” \ubc14\uc774\uc5b4\uc2a4\uac00 \uac78\ub838\uc744 \uac83\uc784. \ub2e4\ub978 \ubc29\ubc95\uc774 \uc788\ub2e4\uba74 \uce90\ud314\uc758 \ubd80\ud558 \uc800\ud56d\uc744 \ud0a4\uc6e0\uc5b4\uc57c \ud568. \uc704\uc758 \ub85c\ub4dc\ub77c\uc778\uc5d0\uc11c \ubcf4\uba74 220K \uac19\uc740 \uacbd\uc6b0\uc784.\uc774\ub7ec\uba74 -0.75V \uc815\ub3c4\uc5d0\uc11c \ubc14\uc774\uc5b4\uc2a4\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uac78\ub838\uc744 \uac83\uc784.<\/p>\n\n\n\n

\uc544\ubb34\ud2bc “\uc798\ubabb” \uc124\uacc4\ud55c \ud0d3\uc5d0 \uce90\ud314\uc774 \uc55e\ub2e8\uc758 \uc804\ub958\ub97c \uacc4\uc18d \uae4c\uba39\uace0 \uc788\ub294 \ud68c\ub85c\ub97c \uc5bb\uc5c8\ub294\ub370, \uadf8\ub798\uc11c \ubb50? \uc815\ud604\ud30c\uc758 x\ucd95 \uc544\ub798 \ubd80\ubd84\uc774 \uc99d\ud3ed\ub2e8\uc744 \uc9c0\ub098\uac08 \ub54c\ub294 \uce90\ud314\uc758 \uadf8\ub9ac\ub4dc \uc804\uc555\uc774 “\uc77c\ubc18” \uc601\uc5ed\uc73c\ub85c \uac00\uc11c \uadf8\ub9ac\ub4dc \uc804\ub958\uac00 \ud750\ub974\uc9c0 \uc54a\uac8c \ub428. \ud558\uc9c0\ub9cc \uc815\ud604\ud30c\uc758 y\ucd95 \uc717 \ubd80\ubd84\uc774 \uc99d\ud3ed\ub2e8\uc744 \uc9c0\ub098\uac08 \ub54c\ub294 \uadf8\ub9ac\ub4dc \uc804\uc555\uc774 \ub354 \uc62c\ub77c\uac00\uc11c \ub354 \ub9ce\uc740 \uadf8\ub9ac\ub4dc \uc804\ub958\uac00 \ud750\ub974\uac8c \ub428. \uadf8\ub7ec\uba74 \uc99d\ud3ed\ub2e8\uc758 \ud50c\ub808\uc774\ud2b8 \uc804\uc555\uc774 \uc904\uc5b4\ub4e4\uac8c \ub418\uc5b4\uc11c \uc544\ub798\uc640 \uac19\uc740 \ud30c\ud615\uc774 \ub418\uace0 \uc774 \uacb0\uacfc\ub85c \ud070 2\ucc28 \ubc30\uc74c\uc774 \ub9cc\ub4e4\uc5b4\uc9c0\uac8c \ub428.<\/p>\n\n\n

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\uc774\ub7f0 \ud604\uc0c1\uc740 \uc624\uc9c1 DC coupled \uce90\ud314\ub85c\ub9cc \uc5bb\uc744 \uc218 \uc788\uace0, \uc774\uac78 \uc5bb\uae30 \uc704\ud574\uc11c \uace0\ucd9c\ub825 \uae30\ud0c0 \uc570\ud504\uc5d0 DC \uce90\ud314\uc774 \uadf8\ub807\uac8c \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub294 \uac83\uc784. \ub108\ubb34 \ub9ce\uc740 \uace0\ucc28 \ubc30\uc74c\uc744 \uac00\uc9c4 \uc2e0\ud638\ub97c “warm up” \ud574\uc8fc\uac8c \ub418\uace0, \uc880 fuzzy\ud55c \uc0ac\uc6b4\ub4dc\ub97c rich, creamy distortion \uc0ac\uc6b4\ub4dc\ub85c \ubc14\uafd4\uc90c. \uadf8 \ud6a8\uacfc\ub97c \ub354 \ud0a4\uc6b0\ub824\uba74 \uce90\ud314\uc758 \ubd80\ud558 \uc800\ud56d\uc744 \uc904\uc774\uba74 \ub428. \uc704\uc5d0 20Vpp 1KHz \uc815\ud604\ud30c \uce21\uc815\uc774 \ub098\uc640 \uc788\ub294\ub370 100K \ub300\ube44 47K\uac00 \ub354 \ud070 \uc65c\uace1\uc744 \ub9cc\ub4dc\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc74c. \uc774 \ub54c\uc758 \uc804\ub958\ub294 0.8mA \uc815\ub3c4\uc784. \uad1c\ud788 \ucee4\ud50c\ub9c1 \ucea1 \ube44\uc2fc\uac70, \uce74\ubcf8 \ucf64\ud3ec\uc9c0\ud2b8 \uc800\ud56d \ube44\uc2fc\uac70 \ucc3e\uc544\ub2e4\ub2d0 \ud544\uc694\uac00 \uc5c6\uc74c. <\/p>\n\n\n\n

\uc704\uc758 \ud30c\ud615\uc740 20Vpp, 1KHz \ucd9c\ub825\uc778\ub370 gain stage\uc758 \uadf8\ub9ac\ub4dc \uc785\ub825\uc744 \ubc18\uc804\ud574\uc11c \uc880 \uc904\uc778 \ud6c4 \uacb9\uccd0\ub193\uc740 \uac83\uc784. x\ucd95 \uc704\uc758 \ubd80\ubd84\ub9cc \uc601\ud5a5\uc744 \ubc1b\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uace0, \ubd80\ud558 \uc800\ud56d\uc744 \uc904\uc774\uba74 \ub354 \ucc0c\uadf8\ub7ec\uc9c0\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc74c.<\/p>\n\n\n

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\uc774 \ud68c\ub85c\uac00 \uc6d0\uc800\uc790\uc758 \ucd5c\uc560 \ud68c\ub85c\uc778\ub370 \ucd94\uac00\ub41c \uc800\ud56d\uacfc \ub2e4\uc774\uc624\ub4dc\ub294 \ud1a4\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uc74c.<\/p>\n\n\n\n

\uc720\uc6a9\ud55c “Mod”<\/strong><\/p>\n\n\n

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\uae30\ud0c0 \uc570\ud504\uc5d0\uc11c\ub294 tone stack \uc55e\uc5d0 DC coupled \uce90\ud314 \ud68c\ub85c\ub97c \ud754\ud558\uac8c \ubcfc \uc218 \uc788\ub294\ub370, \ubb38\uc81c\uc810\uc774 \ud558\ub098 \uc788\uc74c. \uc544\uc9c1 \uce90\uc18c\ub4dc\uac00 cold\uc778 start up \ub3c4\uc911\uc5d0 \uadf8\ub9ac\ub4dc\ub294 \uc989\uc2dc HT\uae4c\uc9c0 \uc62c\ub77c\uac00\ubc84\ub9bc. \uc774 \ubb38\uc81c\ub294 1N4007\uac19\uc740 \uc815\ub958 \ub2e4\uc774\uc624\ub4dc\uc640 \uc800\ud56d\uc744 \uadf8\ub9ac\ub4dc\uc640 \uce90\uc18c\ub4dc \uc0ac\uc774\uc5d0 \ub123\uc5b4\uc8fc\uba74 \ud574\uacb0\ub428 (\uadf8\ub9bc a.) \uc774\ub807\uac8c \ud574\uc8fc\uba74 \uce90\uc18c\ub4dc\ub97c \uc218\uc2ed V \uc774\ub0b4\ub85c \uc7a1\uc544\uc90c. \uc77c\ub2e8 \uc5f4\uc744 \ubc1b\uc73c\uba74 \uce90\uc18c\ub4dc\uac00 \uadf8\ub9ac\ub4dc\ubcf4\ub2e4 \ub354 \uc804\uc555\uc774 \uc62c\ub77c\uac00\ubbc0\ub85c \ub2e4\uc774\uc624\ub4dc\uac00 \uc5f0\uacb0\uc744 \ub04a\uac8c \ub418\ubbc0\ub85c \uc5c6\ub294 \uac83\uc774\ub098 \ub9c8\ucc2c\uac00\uc9c0\uac00 \ub428. \uc800\ud56d\uc744 \ub123\uc740 \uc774\uc720\ub294 \uae30\ud0c0 \uc570\ud504\uc5d0\uc11c \ud68c\ub85c\ub97c \ud639\uc0ac\uc2dc\ud0a4\ub294 \uc138\ud305\uc73c\ub85c \uac08 \ub54c \ud639\uc2dc \uc788\uc744\uc9c0\ub3c4 \ubaa8\ub974\ub294 \uc2a4\uc704\uce6d \ub178\uc774\uc988\ub97c \uc81c\uac70\ud558\uae30 \uc704\ud55c \uac83\uc73c\ub85c \ud558\uc774\ud30c\uc774 \uc570\ud504\ub294 \uadf8\ub7f4 \uc77c\uc774 \uc5c6\uc73c\ub2c8 \ube7c\ub3c4 \ub428. <\/p>\n\n\n\n

\ub2e4\uc774\uc624\ub4dc\uac00 \ub3d9\uc791\uc744 \uba48\ucd94\uac8c \ub418\ub294 \uc0c1\ud0dc\ub294 \uce90\ud328\uc2dc\ud130\uc640 \uc880 \ube44\uc2b7\ud55c \uc77c\uc744 \ud558\uac8c \ub418\ub294\ub370 10pF \ub2e8\uc704\uc758 \uce90\ud328\uc2dc\ud134\uc2a4\uc784. \ubb3c\ub860 \uac71\uc815\ud560 \ud544\uc694\ub294 \uc5c6\ub294 \uac83\uc774 \uadf8\ub9ac\ub4dc\uc640 \uce90\uc18c\ub4dc \uc0ac\uc774\uc758 \uce90\ud328\uc2dc\ud134\uc2a4\ub294 follower\uc758 open-loop gain\uc73c\ub85c \ub098\ub208 \uac12\uc774\ubbc0\ub85c 1pF \ubcf4\ub2e4 \uc791\uc544\uc9c8 \uac70\uc784.<\/p>\n\n\n\n

b.\ub294 \ub2e4\ub978 \ud615\ud0dc\uc758 \ud574\uacb0\ucc45\uc778\ub370 \uc77c\ubc18\uc801\uc778 neon \uc804\uad6c\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc784. \uadf8\ub9ac\ub4dc-\uce90\uc18c\ub4dc \uc0ac\uc774\uc758 \uc804\uc555\uc774 \uc57d 90V\ub97c \ub118\uc5b4\uac00\uba74 \ub124\uc628 \uc804\uad6c\uac00 \ub098\uc11c\uac8c \ub428. \ubb3c\ub860 90V\ub77c\ub294 \uac12\uc740 ECC88\ucc98\ub7fc \uadf8\ub9ac\ub4dc-\uce90\uc18c\ub4dc \uac04\uaca9\uc774 \ub9e4\uc6b0 \uc881\uc740 \uace0 gm \uad00\uc5d0\uc11c\ub294 \uc880 \uc548\uad1c\ucc2e\uc744 \uc218\ub3c4 \uc788\uc74c.<\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

Bootstrap for more gain<\/strong><\/p>\n\n\n\n

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\uc6d0\ubb38\uc740 https:\/\/www.valvewizard.co.uk\/dccf.html \uc77c\uc77c\uc774 \ud0c0\uc774\ud551\uc744 \ud558\uba74 \ub354 \uc774\ud574\uac00 \uc798 \ub420\uae4c\ubd10 \ud574\ubd24\ub294\ub370 \uc5ec\uc804\ud788 \ubb54 \uc18c\ub9b0\uc9c0 \ubaa8\ub974\uaca0\uad70\uc694. \u3161.\u3161 \ub9ce\uc740 \uae30\ud0c0 \uc570\ud504\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uce90\ud314 \ud68c\ub85c\ub294 \ub9e4\uc6b0 \uc77c\ubc18\uc801\uc784. \uc8fc\ub85c \ud1a4 \uc2a4\ud0dd\uc744 \uad6c\ub3d9\ud558\ub294\ub370, \uc77c\ubc18\uc801\uc778 gain \uc2a4\ud14c\uc774\uc9c0\ub85c \uad6c\ub3d9\ud588\ub2e4\uba74 \ub9e4\uc6b0 \ud070 \ubd80\ud558\ub97c \uc8fc\uace0, \uc0c1\ub2f9\ud55c \uac10\uc1c4\uac00 \ubc1c\uc0dd\ud558\ub294 \ubd80\ubd84\uc774 \uce90\ud314\uc5d0 \uc758\ud574\uc11c \ub300\uccb4\ub418\uace0 \uc788\uc74c. \uce90\ud314\uc758 \ub0ae\uc740 \ucd9c\ub825 \uc784\ud53c\ub358\uc2a4\ub294 \ud070 \ubd80\ud558\ub97c \uc5f0\uacb0\ud574\ub3c4 \uc27d\uac8c \uc804\ub958\ub97c \ud758\ub824\uc904 \uc218 \uc788\uc74c …
(\uacf5\ubd80) DC Coupled Cathode Follower<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":3401,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[453,473],"tags":[475,472,474],"class_list":["post-3400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-453","category-473","tag-dc-coupled-cathode-follower","tag-the-valve-wizard","tag-474"],"_links":{"self":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3400","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=3400"}],"version-history":[{"count":4,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3400\/revisions"}],"predecessor-version":[{"id":3411,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/posts\/3400\/revisions\/3411"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=\/wp\/v2\/media\/3401"}],"wp:attachment":[{"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kyu.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}