{"id":6595,"date":"2025-07-31T00:00:00","date_gmt":"2025-07-31T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/transimpedance-amplifiers-tias-how-they-work-and-applications\/"},"modified":"2026-06-22T08:45:09","modified_gmt":"2026-06-22T08:45:09","slug":"transimpedance-amplifiers-tias-how-they-work-and-applications","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/transimpedance-amplifiers-tias-how-they-work-and-applications","title":{"rendered":"\ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc99d\ud3ed\uae30(TIA)\ub780 \ubb34\uc5c7\uc778\uac00? \uad11 \uc218\uc2e0\uae30\uc758 \uc2ec\uc7a5\ubd80\uc5d0 \ub300\ud55c \uc124\uba85"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd747298222843efba063032b8f77c81.webp\" alt=\"What Is a Transimpedance Amplifier and How Does It Work\" class=\"wp-image-6592\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd747298222843efba063032b8f77c81.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd747298222843efba063032b8f77c81-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd747298222843efba063032b8f77c81-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd747298222843efba063032b8f77c81-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd747298222843efba063032b8f77c81-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">\ub370\uc774\ud130\uac00 \uad11\uc790 \ud615\ud0dc\ub85c \ube5b\uc758 \uc18d\ub3c4\ub85c \uc804\ub2ec\ub418\ub294 \uc815\uad50\ud55c \uad11 \ud1b5\uc2e0 \uc138\uacc4\uc5d0\uc11c, \uc774 \uad11 \uae30\ubc18 \uc815\ubcf4\ub97c \uc6b0\ub9ac \ub514\uc9c0\ud138 \uc138\uacc4\uac00 \uc774\ud574\ud560 \uc218 \uc788\ub294 \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud558\ub294 \ud575\uc2ec \uc804\uc790 \ubd80\ud488\uc774 \uc870\uc6a9\ud788 \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc774 \ubd80\ud488\uc740 <\/span><span class=\"qc-p1-tag\"><strong>\ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc99d\ud3ed\uae30(TIA)<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">. \uc785\ub2c8\ub2e4. \uad11 \uc218\uc2e0\uae30\uc758 \u201c\uccab \ubc88\uc9f8 \ub2e8\uacc4\u201d\ub77c\uace0 \uc790\uc8fc \ubd88\ub9ac\ub294 TIA\ub294 \uace0\uc18d \ub370\uc774\ud130\uc13c\ud130 \uc0c1\ud638\uc5f0\uacb0\ubd80\ud130 \uad11\uc12c\uc720 \uac00\uc815 \uc11c\ube44\uc2a4(FTTH) \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc2dc\uc2a4\ud15c\uc758 <\/span><span class=\"qc-p1-tag\"><strong>\uac10\ub3c4, \ub300\uc5ed\ud3ed \ubc0f \uc804\ubc18\uc801\uc778 \uc2e0\ub8b0\uc131<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> \uc744 \uadfc\ubcf8\uc801\uc73c\ub85c \uacb0\uc815\ud569\ub2c8\ub2e4. \u201c\uad11\ud559 \ubd84\uc57c\uc5d0\uc11c TIA\ub780 \ubb34\uc5c7\uc778\uac00?\u201d\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ud3ec\ud1a0\ub2c9\uc2a4, \uad11 \ub124\ud2b8\uc6cc\ud0b9 \ub610\ub294 \uace0\uc18d \uc804\uc790\uacf5\ud559 \ubd84\uc57c\uc5d0 \uc885\uc0ac\ud558\ub294 \ubaa8\ub4e0 \uc774\uc5d0\uac8c \ud544\uc218\uc801\uc785\ub2c8\ub2e4.\u201c<\/span><span class=\"qc-p1-tag\"><strong>\uad11\ud559 \ubd84\uc57c\uc5d0\uc11c\uc758 TIA\ub780?<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">\u201d\ub294 \ud3ec\ud1a0\ub2c9\uc2a4, \uad11 \ub124\ud2b8\uc6cc\ud0b9 \ub610\ub294 \uace0\uc18d \uc804\uc790\uacf5\ud559 \ubd84\uc57c\uc5d0 \uc885\uc0ac\ud558\ub294 \ubaa8\ub4e0 \uc774\uc5d0\uac8c \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 \ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc99d\ud3ed\uae30(TIA)\ub780 \uc815\ud655\ud788 \ubb34\uc5c7\uc778\uac00?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc801\uc73c\ub85c <strong>\ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc99d\ud3ed\uae30(TIA)<\/strong> \ub294 \ud2b9\uc218\ud654\ub41c <strong>\uc804\ub958-\uc804\uc555 \ubcc0\ud658\uae30<\/strong>. \uc785\ub2c8\ub2e4. \uadf8 \uc8fc\uc694 \uae30\ub2a5\uc740 \ub9e4\uc6b0 \uad6c\uccb4\uc801\uc774\uc9c0\ub9cc \ud544\uc218\uc801\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ubbf8\uc138\ud55c \uc804\ub958 \uc218\uc2e0:<\/strong> \ubcc0\uc870\ub41c \uad11 \ud384\uc2a4\uc5d0 \uc758\ud574 \uc870\uc0ac\ub420 \ub54c <a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/pin-apd-photodiode-technologies-applications\/\" target=\"_blank\" rel=\"\"><strong>\uad11\uac80\ucd9c\uae30<\/strong><\/a> (\uc608: <strong>PIN \uad11\ub2e4\uc774\uc624\ub4dc<\/strong> \ub610\ub294 <strong>\uc5b4\ubc8c\ub7f0\uce58 \uad11\ub2e4\uc774\uc624\ub4dc(APD)<\/strong>)\uc5d0\uc11c \uc0dd\uc131\ub418\ub294 \uadf9\ub3c4\ub85c \ubbf8\uc138\ud558\uace0 \ubcc0\ud654\ud558\ub294 \uc804\uae30 \uc804\ub958 \uc2e0\ud638\ub97c \uc218\uc2e0\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc804\uc555\uc73c\ub85c \ubcc0\ud658:<\/strong> \uc774 \uc57d\ud55c \uc804\ub958 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\uc5ec \ud6c4\uc18d \ub2e8\uacc4(\uc608: \ub9ac\ubbf8\ud305 \uc99d\ud3ed\uae30 \ub610\ub294 \ud074\ub85d \ubc0f \ub370\uc774\ud130 \ubcf5\uad6c \ud68c\ub85c)\uc5d0\uc11c \ucd94\uac00 \ucc98\ub9ac\uac00 \uac00\ub2a5\ud55c \uac15\ub825\ud558\uace0 \ube44\ub840\ud558\ub294 \ucd9c\ub825 \uc804\uc555 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc2e0\ud638 \ucda9\uc2e4\ub3c4 \uc720\uc9c0:<\/strong> \uc6d0\ub798 \uad11 \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc874\ud558\uae30 \uc704\ud574 \ucd5c\uc18c \uc7a1\uc74c \ucd94\uac00, \ucd5c\ub300 \uc18d\ub3c4 \ubc0f \ub192\uc740 \uc120\ud615\uc131\uc744 \uac16\ucd98 \uc0c1\ud0dc\uc5d0\uc11c \uc774 \ubcc0\ud658\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf8\uc9c8\uc801\uc73c\ub85c TIA\ub294 \uad11 \uc601\uc5ed(\uad11\uc790)\uacfc \uc804\uae30 \uc601\uc5ed(\uc804\uc555 \ud30c\ud615) \uc0ac\uc774\uc758 \uaca9\ucc28\ub97c \uba54\uc6b0\ub294 \ub2e4\ub9ac \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud575\uc2ec \uc218\ud559\uc801 \uad00\uacc4:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">TIA\uc758 \uc815\uc758\uc801 \ud2b9\uc131\uc740 <\/span><span class=\"qc-p1-tag\"><strong>\ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc774\ub4dd(Z_T)<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">, \uc73c\ub85c, \uc634(\u03a9) \ub610\ub294 \ubcfc\ud2b8\/\uc554\ud398\uc5b4(V\/A)\ub85c \uce21\uc815\ub429\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: var(--qc-color8);\"><strong>V_out = I_in * Z_T<\/strong><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><span style=\"color: rgb(64, 64, 64);\"><strong>V_out<\/strong> = \ucd9c\ub825 \uc804\uc555<\/span><\/p><\/li>\n\n\n\n<li><p><span style=\"color: rgb(64, 64, 64);\"><strong>I_in<\/strong> = \uc785\ub825 \uc804\ub958(\uad11\ub2e4\uc774\uc624\ub4dc\uc5d0\uc11c \ubc1c\uc0dd)<\/span><\/p><\/li>\n\n\n\n<li><p><span style=\"color: rgb(64, 64, 64);\"><strong>Z_T<\/strong> = \ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc774\ub4dd<\/span><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">\uc774\ub4dd\uc774 1,000 V\/A(\ub610\ub294 1 k\u03a9)\uc778 TIA\ub294 1 \u00b5A \uc785\ub825 \uad11\uc804\ub958\uc5d0 \ub300\ud574 1 mV \ucd9c\ub825 \uc804\uc555\uc744 \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 \uad11\ud559 \uc2dc\uc2a4\ud15c\uc5d0\uc11c TIA\uac00 \ud544\uc218\uc801\uc778 \uc774\uc720<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/pin-apd-photodiode-technologies-applications\/\"><strong>\ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc<\/strong><\/a> \uc0dd\uc131\ud569\ub2c8\ub2e4 <em>\uc804\ub958\ub97c<\/em>, \uc804\uc555\uc774 \uc544\ub2c8\ub77c \uc785\uc0ac \uad11 \ud30c\uc6cc\uc5d0 \ube44\ub840\ud558\ub294 \uc804\ub958\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \uc804\ub958\ub294 \ud2b9\ud788 \uc218\uc2e0 \uad11 \ud30c\uc6cc\uac00 \ub9e4\uc6b0 \ub0ae\uc740(\ub9c8\uc774\ud06c\ub85c\uc640\ud2b8 \ub610\ub294 \uadf8 \uc774\ud558\uae4c\uc9c0) \uace0\uc18d \ub610\ub294 \uc7a5\uac70\ub9ac \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uadf9\ub3c4\ub85c \uc791\uc2b5\ub2c8\ub2e4. \ucda9\ubd84\ud55c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/snr-signal-to-noise-ratio-and-its-impact-on-signal-quality\/\">\uc2e0\ud638 \ub300 \uc7a1\uc74c\ube44(SNR)<\/a> \ub97c \ud655\ubcf4\ud558\uba74\uc11c GHz \uc18d\ub3c4\uc5d0\uc11c \uc774\ub7ec\ud55c \ubbf8\uc138\ud55c \uc804\ub958\ub97c \uc9c1\uc811 \uce21\uc815\ud558\ub294 \uac83\uc740 \uc2e4\uc6a9\uc801\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. TIA\ub294 \uc774 \ud575\uc2ec \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\uc99d\ud3ed:<\/strong> \uc57d\ud55c \uc2e0\ud638\ub97c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc218\uc900\uc73c\ub85c \uc99d\ud3ed\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc800\uc7a1\uc74c:<\/strong> \uc57d\ud55c \uc2e0\ud638 \ud0d0\uc9c0\uc5d0 \ud544\uc218\uc801\uc778 \ucd5c\uc18c\ud55c\uc758 \uace0\uc720 \uc7a1\uc74c\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uace0\ub300\uc5ed\ud3ed:<\/strong> \ud604\ub300 \uad11\ud559 \ub9c1\ud06c(\uc608: 10G, 25G, 100G, 400G, 800G)\uc5d0\uc11c \uc694\uad6c\ub418\ub294 \ub2e4\uc911 GHz \uc18d\ub3c4\ub85c \uc2e0\ud638\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>400G, 800G \uc2dc\ub300\uc758 \uad11\uc7a5\uce58 \uce90\uc2dc\uc9c0\uc758 \uc8fc\uc694 \uae30\uc220\uc801 \ub3c4\uc804 \uacfc\uc81c<\/strong> \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc \uc790\uccb4\uc758 \ub300\uc5ed\ud3ed\uc744 \ucd5c\ub300\ud654\ud558\uae30 \uc704\ud574 \ud544\uc218\uc801\uc778 \ub0ae\uc740 \uc785\ub825 \uc784\ud53c\ub358\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\ub294 \uc0c1\ub2f9\ud55c \ucee4\ud328\uc2dc\ud134\uc2a4\ub97c \uac16\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 \uad6c\uc870 \ubc0f \ud575\uc2ec \uae30\ub2a5: TIA\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7f67f946cc2c47b4b414a70f97e9b357-1024x608.webp\" alt=\"Typical TIA Topology\" class=\"wp-image-6593\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7f67f946cc2c47b4b414a70f97e9b357-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7f67f946cc2c47b4b414a70f97e9b357-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7f67f946cc2c47b4b414a70f97e9b357-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7f67f946cc2c47b4b414a70f97e9b357-18x12.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7f67f946cc2c47b4b414a70f97e9b357.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uc77c\ubc18\uc801\uc774\uace0 \uae30\ubcf8\uc801\uc778 TIA \ud1a0\ud3f4\ub85c\uc9c0\ub294 <strong>\ubc18\uc804 \uc804\uc555 \uc5f0\uc0b0 \uc99d\ud3ed\uae30(op-amp)<\/strong> \ub97c \uae30\ubc18\uc73c\ub85c \ud558\uba70, <strong>\ud53c\ub4dc\ubc31 \uc800\ud56d(Rf)<\/strong> \uac00 \ucd9c\ub825\uc744 \ubc18\uc804 \uc785\ub825\uc73c\ub85c \ub2e4\uc2dc \uc5f0\uacb0\ud558\uace0, \uc5ec\uae30\uc5d0 \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\uac00 \uc5f0\uacb0\ub429\ub2c8\ub2e4(\uc77c\ubc18\uc801\uc73c\ub85c \uad11\uc804\uc9c0 \ubaa8\ub4dc\ub85c, \uce90\uc18c\ub4dc\uac00 \uc785\ub825\uc5d0 \uc5f0\uacb0\ub428).<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc \uc804\ub958:<\/strong> \ubcc0\uc870\ub41c \ube5b\uc774 \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\uc5d0 \uc870\uc0ac\ub418\uc5b4 \ube44\ub840 \uc804\ub958\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. <code>I_pd<\/code>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uac00\uc0c1 \uc811\uc9c0(Virtual Ground):<\/strong> \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \ub192\uc740 \uc774\ub4dd\uc740 \ubc18\uc804 \uc785\ub825 \ub2e8\uc790(<code>V-<\/code>)\uc758 \uc804\uc555\uc744 \ube44\ubc18\uc804 \uc785\ub825 \ub2e8\uc790(<code>V+<\/code>)\uc640 \uac19\uac8c \uc720\uc9c0\ud558\ub824\uace0 \ud569\ub2c8\ub2e4. \uc774\ub294 \ubcf4\ud1b5 \uc811\uc9c0\ub41c V+\uc5d0 \uc758\ud574 \ubc18\uc804 \uc785\ub825 \ub2e8\uc790\uc5d0 \u201c\uac00\uc0c1 \uc811\uc9c0\u201d\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. <code>V-<\/code>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ud53c\ub4dc\ubc31 \uacbd\ub85c:<\/strong> \uad11\uc804\ub958 <code>I_pd<\/code> \ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c \ud558\ub098\uc758 \uacbd\ub85c\ub9cc \uac00\uc9c0\uba70, \ubc14\ub85c \ud53c\ub4dc\ubc31 \uc800\ud56d <code>Rf<\/code>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ub97c \ud1b5\ud558\ub294 \uacbd\ub85c\uc785\ub2c8\ub2e4.<\/strong> \uc804\uc555 \uc0dd\uc131: <code>I_pd<\/code> \ud750\ub974\ub294 \uc804\ub958 <code>Rf<\/code> \ub294 \uc804\uc555 \uac15\ud558\ub97c \uc720\ubc1c\ud569\ub2c8\ub2e4. <code>V_out = -I_pd * Rf<\/code> (\uc74c\uc758 \ubd80\ud638\ub294 \ubc18\uc804\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4). \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \ucd9c\ub825\uc740 \uc774\ub97c \uc2e4\ud604\ud558\uae30 \uc704\ud574 \uc870\uc815\ub429\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc774\ub4dd \uc124\uc815:<\/strong> \ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc774\ub4dd <code>Z_T<\/code> \uc740 \uc8fc\ub85c <code>Rf<\/code> (<code>Z_T \u2248 Rf<\/code> \ub85c \uc124\uc815\ub429\ub2c8\ub2e4(\uc774\uc0c1\uc801\uc778 \uc5f0\uc0b0 \uc99d\ud3ed\uae30 \uae30\uc900).<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud575\uc2ec \uc124\uacc4 \uc694\uc18c \ubc0f \uc0c1\ucda9 \uad00\uacc4:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>\ud53c\ub4dc\ubc31 \uc800\ud56d(Rf):<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><em>\ub354 \ud070 Rf<\/em> = \ub354 \ub192\uc740 \uc774\ub4dd = \uc57d\ud55c \uc2e0\ud638\uc5d0 \ub300\ud55c \ub354 \ub192\uc740 \uac10\ub3c4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><em>\ub354 \uc791\uc740 Rf<\/em> = \uc7a0\uc7ac\uc801\uc73c\ub85c \ub113\uc740 \ub300\uc5ed\ud3ed(\uad11\ub2e4\uc774\uc624\ub4dc \ucee4\ud328\uc2dc\ud134\uc2a4\uc640\uc758 \uc2dc\uc815\uc218\ub97c \uac10\uc18c\uc2dc\ud0b4).<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc5f0\uc0b0 \uc99d\ud3ed\uae30 \uc0ac\uc591:<\/strong> \ub9e4\uc6b0 \ub192\uc740 \uc774\ub4dd-\ub300\uc5ed\ud3ed \uacf1, \ucd08\uc800\uc785\ub825 \uc7a1\uc74c(\uc804\uc555 \uc7a1\uc74c \ubc0f \uc804\ub958 \uc7a1\uc74c \ubaa8\ub450), \ub0ae\uc740 \uc785\ub825 \ucee4\ud328\uc2dc\ud134\uc2a4, \ub192\uc740 \uc2ac\ub8e8 \ub808\uc774\ud2b8\uac00 \ud544\uc694\ud568.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc548\uc815\uc131:<\/strong> \uad11\ub2e4\uc774\uc624\ub4dc \ucee4\ud328\uc2dc\ud134\uc2a4(<span class=\"math\">C_pd<\/span>)\uc640<code><span class=\"math\">C_pd<\/span><\/code>\uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uc785\ub825 \ucee4\ud328\uc2dc\ud134\uc2a4 \uc0ac\uc774\uc758 \uc0c1\ud638\uc791\uc6a9\uc740 <code>Rf<\/code> \uadf9\uc810\uc744 \uc0dd\uc131\ud568. \uc9c4\ub3d9 \ubc29\uc9c0 \ubc0f \uc548\uc815\uc131 \ud655\ubcf4\ub97c \uc704\ud574 \uc2e0\uc911\ud55c \uc124\uacc4(\uc885\uc885 \ud53c\ub4dc\ubc31 \ucee4\ud328\uc2dc\ud130 <span class=\"math\">Cf<\/span>\ub97c <code><span class=\"math\">Cf<\/span><\/code> \uc640 \ubcd1\ub82c\ub85c \uc5f0\uacb0\ud558\ub294 \ubc29\uc2dd)\uac00 \ud544\uc218\uc801\uc784. <code>Rf<\/code><span class=\"math\">Cf<\/span>\ub294 \ub300\uc5ed\ud3ed\uc744 \uc81c\ud55c\ud558\uc9c0\ub9cc \ud68c\ub85c\ub97c \uc548\uc815\ud654\uc2dc\ud0b4. <code><span class=\"math\">Cf<\/span><\/code> <span class=\"math\">Cf<\/span>\ub294 \ub300\uc5ed\ud3ed\uc744 \uc81c\ud55c\ud558\uc9c0\ub9cc \ud68c\ub85c\ub97c \uc548\uc815\ud654\uc2dc\ud0b4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc7a1\uc74c \ucd5c\uc801\ud654:<\/strong> <span class=\"math\">Rf<\/span>\uc758 \uc5f4\uc7a1\uc74c(\u221aRf\uc5d0 \ube44\ub840)\uacfc \uc5f0\uc0b0 \uc99d\ud3ed\uae30\uc758 \uc785\ub825 \uc804\uc555\/\uc804\ub958 \uc7a1\uc74c\uc744 \uade0\ud615 \uc788\uac8c \uc870\uc808\ud558\ub294 \uac83\uc774 <code>Rf<\/code> \ucd5c\uc800 \uac00\ub2a5 <span class=\"math\">\ucd1d \uc785\ub825 \ucc38\uc870 \uc7a1\uc74c(IRN)<\/span> \ub2ec\uc131\uc744 \uc704\ud574 \uc911\uc694\ud568. <strong>\ucd1d \uc785\ub825 \ucc38\uc870 \uc7a1\uc74c(IRN)<\/strong>. \ub0ae\uc740 IRN\uc77c\uc218\ub85d \uc218\uc2e0\uae30 \uac10\ub3c4\uac00 \ud5a5\uc0c1\ub428.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 \uad11\ud559 \ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc99d\ud3ed\uae30(TIA)\uc758 \uc8fc\uc694 \uc131\ub2a5 \ud30c\ub77c\ubbf8\ud130<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TIA\ub97c \uc120\ud0dd\ud558\uac70\ub098 \uc124\uacc4\ud560 \ub54c\ub294 \uc774\ub7ec\ud55c \uc0c1\ud638 \uc758\uc874\uc801\uc778 \uc0ac\uc591\ub4e4\uc744 \uc2e0\uc911\ud788 \uace0\ub824\ud574\uc57c \ud568:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>\ud30c\ub77c\ubbf8\ud130<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>\uae30\ud638\/\ub2e8\uc704<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>\uc911\uc694\ub3c4<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>\uc77c\ubc18\uc801\uc778 \uac12\/\uace0\ub824 \uc0ac\ud56d<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc774\ub4dd<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Z_T (\u03a9, V\/A, dB\u03a9)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc8fc\uc5b4\uc9c4 \uc785\ub825 \uc804\ub958\uc5d0 \ub300\ud55c \ucd9c\ub825 \uc804\uc555 \ub808\ubca8\uc744 \uacb0\uc815\ud568.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uace0\uc18d \uc751\uc6a9\uc5d0\uc11c\ub294 10 k\u03a9\uae4c\uc9c0 \ubc94\uc704; \ub300\uc5ed\ud3ed\uacfc\uc758 \ud0c0\ud611 \uad00\uacc4 \uc874\uc7ac.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ub300\uc5ed\ud3ed<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>BW (Hz)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>TIA\uac00 \uc720\uc758\ubbf8\ud55c \uac10\uc1e0 \uc5c6\uc774 \uc99d\ud3ed\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc2e0\ud638 \uc8fc\ud30c\uc218.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130 \uc18d\ub3c4\ub97c \ucd08\uacfc\ud574\uc57c \ud568(\uc608: NRZ\uc758 \uacbd\uc6b0 ~0.7 \u00d7 \ub370\uc774\ud130 \uc18d\ub3c4). <strong>\uace0\uc18d TIA\uc5d0\uc11c \ud2b9\ud788 \uc911\uc694\ud568.<\/strong>.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc785\ub825 \ucc38\uc870 \uc7a1\uc74c(IRN)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IRN (pA\/\u221aHz)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\uac10\ub3c4\uc5d0 \ub9e4\uc6b0 \uc911\uc694!<\/strong> \uc785\ub825 \ub2e8\uc5d0\uc11c \u201c\uad00\uce21\ub418\ub294\u201d \uc7a1\uc74c. \uac12\uc774 \ub0ae\uc744\uc218\ub85d \uc6b0\uc218\ud568.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc8fc\ub85c <span class=\"math\">Rf<\/span>\uc758 \uc5f4\uc7a1\uc74c\uacfc \uc5f0\uc0b0 \uc99d\ud3ed\uae30 \uc7a1\uc74c\uc5d0 \uc758\ud574 \uc9c0\ubc30\ub428. APD \uae30\ubc18 TIA\ub294 \ub9e4\uc6b0 \ub0ae\uc740 IRN\uc774 \uc694\uad6c\ub428. <code>Rf<\/code> \uc5f4\uc7a1\uc74c\uacfc \uc5f0\uc0b0 \uc99d\ud3ed\uae30 \uc7a1\uc74c\uc5d0 \uc758\ud574 \uc9c0\ubc30\ub428. APD \uae30\ubc18 TIA\ub294 \ub9e4\uc6b0 \ub0ae\uc740 IRN\uc774 \uc694\uad6c\ub428.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc785\ub825 \uc624\ubc84\ub85c\ub4dc \uc804\ub958<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>I_ovl (mA \ud53c\ud06c \ub610\ub294 \ud3c9\uade0)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc65c\uace1\/\ud3ec\ud654\uac00 \ubc1c\uc0dd\ud558\uae30 \uc804 \ucd5c\ub300 \uc785\ub825 \uc804\ub958.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uace0\uad11\ucd9c\ub825 \ud558\uc5d0\uc11c TIA \ubcf4\ud638 \ubc0f \uc120\ud615 \ub3d9\uc791 \ubcf4\uc7a5.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc2ac\ub8e8 \ub808\uc774\ud2b8<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SR (V\/ns)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd9c\ub825 \uc804\uc555\uc758 \ucd5c\ub300 \ubcc0\ud654\uc728. \ud070 \uc2e0\ud638 \uc2a4\uc719\uc5d0 \uc911\uc694\ud568.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud070 \ucd9c\ub825 \uc2e0\ud638 \ub610\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-non-return-to-zero-in-digital-communication\/\">\ube44\uadc0\ud658-\uc81c\ub85c(NRZ)<\/a> \ub370\uc774\ud130\uc5d0\uc11c \uae34 \ub7f0(run)\uc774 \uc788\uc744 \ub54c \uc131\ub2a5\uc744 \uc81c\ud55c\ud568.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc804\ub825 \uc18c\ube44<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>P_diss (mW)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc804\ub825 \ubbfc\uac10 \uc751\uc6a9(\uc608: \ud50c\ub7ec\uadf8\uc778 \ubaa8\ub4c8)\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud568.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc740 \uc804\ub825 \uc18c\ube44 TIA\uac00 \uac00\ub2a5\ud558\uac8c \ud568 <strong>\uc5d0\ub108\uc9c0 \ud6a8\uc728\uc801\uc778 SFP \ubaa8\ub4c8<\/strong> \ubc0f \uace0\ubc00\ub3c4 \ubc30\uce58\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u2013 \uad11 \ubaa8\ub4c8\uc774 \uc548\uc815\uc801\uc778 \uc804\ub825\uc744 \ubc1b\ub3c4\ub85d \ubcf4\uc7a5\ud558\uba70, \ud3b8\ucc28\ub294 \uc804\uae30 \ubb38\uc81c\ub97c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Vdd (V)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2dc\uc2a4\ud15c \uc804\uc6d0 \ub808\uc77c\uacfc\uc758 \ud638\ud658\uc131.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\uc2e0 \uc800\uc804\ub825 \uc124\uacc4\uc5d0\uc11c\ub294 \ub0ae\uc740 \uc804\uc555(\uc608: 3.3V, 1.8V)\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 TIA\uc758 \uac15\uc810 \ubd84\uc57c: \uad11 \ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c\uc758 \ud575\uc2ec \uc751\uc6a9<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TIA\ub294 \uad11 \uc2e0\ud638\uac00 \ub2e4\uc2dc \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ub418\ub294 \ubaa8\ub4e0 \uacf3\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>\ud1b5\uc2e0 \ub9c1\ud06c\uc758 \uad11 \uc218\uc2e0\uae30:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ub370\uc774\ud130\ud1b5\uc2e0(Datacom):<\/strong> <strong>SFP \ubaa8\ub4c8<\/strong>, SFP+, QSFP+, QSFP28, QSFP-DD, OSFP \ubaa8\ub4c8(\ub370\uc774\ud130\uc13c\ud130, \uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c\uc6a9). <strong>LINK-PP<\/strong> \uace0\uc131\ub2a5\uc744 \uc81c\uacf5\ud558\ub294 <strong>SFP \uad11 \ubaa8\ub4c8<\/strong> \uacfc \uac19\uc740 \uac83\uc744 \uc0ac\uc6a9\ud558\uba74 \uc6b4\uc601\uc790\ub294 DWDM Mux\/Demux \uc7a5\uce58\ub97c \ud1b5\ud574 \ud558\ub098\uc758 \uad11\uc12c\uc720 \uc30d \uc704\uc5d0 \uc5ec\ub7ec \uac1c\uc758 10G \uad11\ucc44\ub110\uc744 \ub2e4\uc911\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.l-p.com\/products\/475586.htm\" target=\"_blank\" rel=\"\"><strong>SFP-10G-LR<\/strong><\/a> \ubc0f <a href=\"https:\/\/www.l-p.com\/products\/475415.htm\" target=\"_blank\" rel=\"\"><strong>SFP-10G-SR<\/strong><\/a>, \ub294 25G \ubc0f 50G PAM4\/\ub808\uc778 \uc751\uc6a9\uc5d0 \ucd5c\uc801\ud654\ub41c \ucd08\uc800\uc7a1\uc74c TIA\ub97c \ucc44\ud0dd\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ud1b5\uc2e0(Telecom):<\/strong> FTTH(Fiber-to-the-Home) \ud658\uacbd\uc758 <strong>OLT(Optical Line Terminal)<\/strong> \/ PON(Passive Optical Network \u2013 GPON, XGS-PON), \ub77c\uc6b0\ud130 \ubc0f \uc2a4\uc704\uce58\uc758 \ub77c\uc778 \uce74\ub4dc, \uc7a5\uac70\ub9ac\/\ucd08\uc7a5\uac70\ub9ac DWDM \uc2dc\uc2a4\ud15c.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uad11 \uac10\uc9c0(Optical Sensing):<\/strong> LIDAR(Light Detection and Ranging), \uad11\uc12c\uc720 \uc13c\uc11c(\uc751\ubcc0, \uc628\ub3c4, \uc555\ub825), \uc0dd\uccb4\uc758\ud559 \uc601\uc0c1.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ud14c\uc2a4\ud2b8 \ubc0f \uce21\uc815 \uc7a5\ube44(Test &amp; Measurement Equipment):<\/strong> \uad11 \ucd9c\ub825 \uce21\uc815\uae30, \uad11\ud30c\ud615 \uc2e0\ud638 \ubd84\uc11d\uae30, \ube44\ud2b8 \uc624\ub958\uc728 \ud14c\uc2a4\ud130(BERTs).<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 SFP \ubaa8\ub4c8 \ub0b4 TIA \ud1b5\ud569: \uc790\uc138\ud788 \ubcf4\uae30<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2d659b14b8554d56a3f753f85da4400a.jpg\" alt=\"optical transceiver\" class=\"wp-image-6594\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2d659b14b8554d56a3f753f85da4400a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2d659b14b8554d56a3f753f85da4400a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2d659b14b8554d56a3f753f85da4400a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2d659b14b8554d56a3f753f85da4400a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2d659b14b8554d56a3f753f85da4400a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>SFP \ubaa8\ub4c8<\/strong><\/a> (\uc18c\ud615 \ud3fc\ud329\ud130 \ud50c\ub7ec\uadf8\uc5b4\ube14) \ubc0f \uadf8 \uace0\uc18d \ubcc0\ud615\uc778(SFP+, QSFP28 \ub4f1)\uc740 \ub370\uc774\ud130\uc13c\ud130 \ubc0f \uae30\uc5c5 \uad11 \uc5f0\uacb0\uc758 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. TIA\ub294 \uc774\ub7ec\ud55c \ubaa8\ub4c8 \uc218\uc2e0\uae30(Rx) \uce21\uc758 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc(Photodiode):<\/strong> \uc720\uc785 \uad11 \uc2e0\ud638\ub97c \uc804\uae30 \uc804\ub958\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>TIA:<\/strong> \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\uc758 \ubbf8\uc57d\ud55c \uc804\ub958 \uc2e0\ud638\ub97c \ube44\ub840 \uc804\uc555 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \ubaa8\ub4c8\uc758 \ud2b9\uc815 \ub370\uc774\ud130 \uc18d\ub3c4(\uc608: 10G, 25G, 50G PAM4, 100G) \ubc0f \uc804\uc1a1 \uac70\ub9ac(SR, LR, ER, ZR)\uc5d0 \ub9de\ucdb0 \ucd5c\uc801\ud654\ub429\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ub9ac\ubbf8\ud305 \uc570\ud504(Limiting Amplifier, LA) \/ \ud6c4\ub2e8 \uc570\ud504(Post Amplifier):<\/strong> TIA\uc758 \uc544\ub0a0\ub85c\uadf8 \ucd9c\ub825\uc744 \ubc1b\uc544 \ucd94\uac00 \uc99d\ud3ed\ud558\uc5ec \uc77c\uad00\ub41c \ub514\uc9c0\ud138 \uc804\uc555 \ub808\ubca8(\uc608: CMOS \ub610\ub294 CML \ub808\ubca8)\ub85c \ub9cc\ub4ed\ub2c8\ub2e4. \uc8fc\ub85c \ud53c\ud0b9 \ub4f1\uc758 \uc2e0\ud638 \uc870\uac74 \uc870\uc808 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/clock-and-data-recovery-in-modern-communication-systems\/\" target=\"_blank\" rel=\"\"><strong>\ud074\ub85d \ubc0f \ub370\uc774\ud130 \ubcf5\uad6c(Clock and Data Recovery, CDR)<\/strong><\/a><strong>:<\/strong> (\uace0\uc18d \ubaa8\ub4c8\uc758 \uacbd\uc6b0) \uae68\ub057\ud55c \ud074\ub85d \uc2e0\ud638\ub97c \ucd94\ucd9c\ud558\uace0 \ub370\uc774\ud130\ub97c \uc7ac\ud0c0\uc774\ubc0d\ud558\uc5ec \uc9c0\ud130\ub97c \uc904\uc785\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ub808\uc774\uc800 \ub4dc\ub77c\uc774\ubc84 \ubc0f \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc(\uc1a1\uc2e0 \uce21):<\/strong> \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud55c \uc804\uae30-\uad11 \ubcc0\ud658\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP \ubaa8\ub4c8 \uc131\ub2a5\uc744 \uc704\ud574 \uc801\uc808\ud55c TIA\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4:<\/strong> \uc774\ub294 \uc218\uc2e0\uae30 \uac10\ub3c4, <strong>\uc218\uc2e0\uae30 \uac10\ub3c4<\/strong>, <strong>\uacfc\ubd80\ud558 \ub0b4\uc131<\/strong>, <strong>\uc804\ub825 \uc18c\ube44<\/strong>, \uc640 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-what-is-bit-error-rate\/\"><strong>\ube44\ud2b8 \uc624\ub958\uc728(BER)\uacfc \uac19\uc740 \ud575\uc2ec \ubaa8\ub4c8 \uc0ac\uc591\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/strong><\/a>. \uc8fc\uc694 \uc81c\uc870\uc0ac\ub4e4, \uc608\ub97c \ub4e4\uc5b4 <strong>LINK-PP<\/strong> TIA\ub97c \uc815\ubc00\ud558\uac8c \uc120\uc815\ud558\uac70\ub098 \uacf5\ub3d9 \uc124\uacc4\ud558\uc5ec \uc790\uc0ac\uc758 <strong>SFP+ \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>QSFP28 \ubaa8\ub4c8<\/strong><\/a>, \ubc0f \ucc28\uc138\ub300 <strong>800G OSFP \uc194\ub8e8\uc158<\/strong> \uc774 \uc5c4\uaca9\ud55c \uc0b0\uc5c5 \ud45c\uc900(MSA)\uc744 \ucda9\uc871\ud558\uace0 \uc2e0\ub8b0\uc131 \ub192\uace0 \uace0\uc131\ub2a5\uc758 \uc5f0\uacb0\uc131\uc744 \uc81c\uacf5\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 TIA \uae30\uc220\uc758 \uc124\uacc4 \uacfc\uc81c \ubc0f \uc9c4\uc804<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\ud788 \uba40\ud2f0\uae30\uac00\ube44\ud2b8 \uc18d\ub3c4\uc640 \uc800\uc804\ub825 \uc870\uac74\uc5d0\uc11c \uace0\uc131\ub2a5 TIA\ub97c \uc124\uacc4\ud558\ub294 \uac83\uc740 \uc0c1\ub2f9\ud55c \uc7a5\uc560\ubb3c\uc744 \uadf9\ubcf5\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ub300\uc5ed\ud3ed \ub300 \uc774\ub4dd \ub300 \uc7a1\uc74c\uc758 \uade0\ud615 \ubb38\uc81c:<\/strong> \uc774\ub294 \uae30\ubcf8\uc801\uc778 TIA \uc124\uacc4 \uc0bc\uac01\ud615\uc785\ub2c8\ub2e4. \uc774\ub4dd\uc744 \uc99d\uac00\uc2dc\ud0a4\uba74 \ub300\uc5ed\ud3ed\uc774 \uc904\uac70\ub098 \uc7a1\uc74c\uc774 \uc99d\uac00\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ub192\uc740 \uc774\ub4dd, \ub113\uc740 \ub300\uc5ed\ud3ed, <em>\ubc0f<\/em> \ub0ae\uc740 \uc7a1\uc74c\uc744 \ub3d9\uc2dc\uc5d0 \ub2ec\uc131\ud558\uae30 \uc704\ud574\uc11c\ub294 \uace0\uae09 \ud68c\ub85c \uae30\ubc95(\uc608: \uaddc\uc81c \uce90\uc2a4\ucf54\ub4dc \uc785\ub825 \ub2e8\uacc4, \uc778\ub355\ud2f0\ube0c \ud53c\ud0b9, \ub2e4\ub2e8\uacc4 \ud1a0\ud3f4\ub85c\uc9c0 \ub4f1)\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc \ucee4\ud328\uc2dc\ud134\uc2a4(<sub>C<sub>pd<\/sub><\/sub>)<\/strong><code><span class=\"math\">C_pd<\/span><\/code><strong>):<\/strong> \uc774 \ucee4\ud328\uc2dc\ud134\uc2a4\ub294 \uc785\ub825 \uc800\ud56d(\uc2e4\uc9c8\uc801\uc73c\ub85c \uc774\ub4dd\uc744 \uc704\ud55c <code>Rf<\/code> )\uacfc \uacb0\ud569\ub418\uc5b4 \ub300\uc5ed\ud3ed\uc744 \uc81c\ud55c\ud558\ub294 \uc800\uc5ed\ud1b5\uacfc \ud544\ud130\ub97c \ud615\uc131\ud569\ub2c8\ub2e4(<sub>BW \u2248 1\/(2\u03c0R<sub>f<\/sub>C<sub>pd<\/sub>)<\/sub>).<code>BW \u2248 1\/(2\u03c0Rf C_pd)<\/code>\uacb0\ud569 \ud6a8\uc728 \ub610\ub294 \uace0\ucd9c\ub825 \ucc98\ub9ac\ub97c \uc704\ud574 \ud070 \uba74\uc801\uc758 \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \ucee4\ud328\uc2dc\ud134\uc2a4\uac00 \ucee4\uc838 \uace0\uc18d \uc124\uacc4\uac00 \ub354\uc6b1 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc548\uc815\uc131:<\/strong> \ub300\uc5ed\ud3ed\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc548\uc815\uc131 \uc720\uc9c0\uac00 \uc810\uc810 \ub354 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4. \uc815\ubc00\ud55c \ubaa8\ub378\ub9c1 \ubc0f \ubcf4\uc0c1( <code><span class=\"math\">Cf<\/span><\/code>)\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uc804\ub825 \uc18c\ube44:<\/strong> \ub370\uc774\ud130\uc13c\ud130\uc5d0\uc11c\uc758 \uc800\uc804\ub825 \uc694\uad6c\ub294 TIA \uc124\uacc4\ub97c \ub354 \ub192\uc740 \ud6a8\uc728 \uad6c\uc870 \ubc0f \ub0ae\uc740 \uacf5\uae09 \uc804\uc555 \ubc29\ud5a5\uc73c\ub85c \uc774\ub055\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ud328\ud0a4\uc9d5 \ubc0f \uae30\uc0dd \uc694\uc18c:<\/strong> GHz \uc18d\ub3c4\uc5d0\uc11c\ub294 \ud328\ud0a4\uc9c0 \uc778\ub355\ud134\uc2a4 \ubc0f \ucee4\ud328\uc2dc\ud134\uc2a4\uac00 \uc131\ub2a5\uc5d0 \uc0c1\ub2f9\ud55c \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c, TIA IC, \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc, \ud328\ud0a4\uc9c0\uc758 \uacf5\ub3d9 \uc124\uacc4\uac00 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. <strong>LINK-PP\uc758 \ubaa8\ub4c8 \ud1b5\ud569 \uc804\ubb38\uc131<\/strong> \uc740 \ucd5c\uc801\uc758 RF \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uacf5\uc815 \uae30\uc220:<\/strong> \ucca8\ub2e8 \ubc18\ub3c4\uccb4 \uacf5\uc815(SiGe, InP, \uc2ec\ubbf8\ud06c\ub860 CMOS \ub4f1)\uc740 \ub354 \ub192\uc740 \uc18d\ub3c4, \ub0ae\uc740 \uc7a1\uc74c, \ub0ae\uc740 \uc804\ub825 \uc18c\ube44\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ucd5c\uadfc \uc9c4\uc804:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>PD\uc640 \ud1b5\ud569\ub41c TIA:<\/strong> \ub3d9\uc77c \uce69\/\ub2e4\uc774 \uc0c1\uc5d0 \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\uc640 TIA\ub97c \ubaa8\ub178\ub9ac\uc2dd\uc73c\ub85c \ud1b5\ud569\ud558\uba74 \uae30\uc0dd \uc131\ubd84\uc744 \ucd5c\uc18c\ud654\ud558\uc5ec \ub300\uc5ed\ud3ed\uacfc \uc7a1\uc74c\uc744 \uac1c\uc120\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ucc28\ub3d9\uc2dd TIA:<\/strong> \uacf5\ud1b5 \ubaa8\ub4dc \uc7a1\uc74c \uc81c\uac70 \uc131\ub2a5\uc774 \uc6b0\uc218\ud558\uba70 PAM4 \uc2e0\ud638 \uc804\uc1a1\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\ud1b5\ud569 CDR\uc744 \uac16\ucd98 TIA:<\/strong> \ubaa8\ub4c8\uc758 \uc18c\ud615\ud654 \ubc0f \uc804\ub825 \uac10\uc18c\ub97c \uc704\ud55c \ub192\uc740 \uc218\uc900\uc758 \ud1b5\ud569.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\uace0\uae09 BiCMOS\/SiGe\/InP \uacf5\uc815:<\/strong> \ub808\uc778\ub2f9 100GHz \uc774\uc0c1\uc758 \ub300\uc5ed\ud3ed\uc744 \uc2e4\ud604\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 \uacb0\ub860: \uad11\ud559 \uacbd\ub85c\uc5d0\uc11c \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \ub2e4\ub9ac<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"highlight\">The<\/span> <strong>\ud2b8\ub79c\uc2a4\uc784\ud53c\ub358\uc2a4 \uc99d\ud3ed\uae30(TIA)<\/strong> \ub2e8\uc21c\ud55c \uc99d\ud3ed\uae30 \uc774\uc0c1\uc758 \uc874\uc7ac\uc774\uba70, \uad11 \uc218\uc2e0\uae30\uac00 \ubbf8\uc138\ud55c \uad11 \ud384\uc2a4\ub97c \uac15\ub825\ud558\uace0 \uc2e4\uc6a9\uc801\uc778 \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud558\ub294 \ud6a8\uc728\uc131\uc744 \uacb0\uc815\ud558\ub294 \ud575\uc2ec \uccab \ubc88\uc9f8 \ub2e8\uacc4\uc785\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud55c \uc131\ub2a5 \u2014 \uc989, <strong>\uc774\ub4dd, \ub300\uc5ed\ud3ed, \uc7a1\uc74c, \uc120\ud615\uc131<\/strong> \u2014 \uc740 \uc804\uccb4 \uad11 \ub9c1\ud06c\uc758 <strong>\uac10\ub3c4 \ubc0f \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4<\/strong> \ub2a5\ub825\uc744 \uae30\uc900\uc73c\ub85c \uc0bc\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uac70\ub300\ud55c \ub370\uc774\ud130\uc13c\ud130 \ubc31\ubcf8, \ub3c4\uc2dc \uac04 \ub124\ud2b8\uc6cc\ud06c, \ub610\ub294 FTTx \uad6c\ucd95 \ud658\uacbd \uc5b4\ub514\uc5d0\uc11c\ub4e0 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\uac00 1.6T \ubc0f \uadf8 \uc774\uc0c1\uc73c\ub85c \ub04a\uc784\uc5c6\uc774 \uc0c1\uc2b9\ud568\uc5d0 \ub530\ub77c, <strong>\ucf58\ucf54\ub7f4 \uad11\ud559<\/strong> \ubc0f \uace0\uae09 \ubcc0\uc870 \ubc29\uc2dd(\uc608:, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\"><strong>PAM4<\/strong><\/a>)\uacfc \uac19\uc740 \ud601\uc2e0\uc774 \uc694\uad6c\ub418\uba70, \uc774\uc5d0 \ub530\ub77c TIA\uc758 \uc5ed\ud560\uc740 \ub354\uc6b1 \ubcf5\uc7a1\ud574\uc9c0\uace0 \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c\uad11\ud559 \ubd84\uc57c\uc5d0\uc11c TIA\ub780 \ubb34\uc5c7\uc778\uac00?\u201d\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \uad11 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c \ub610\ub294 \uadf8 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c(\uc608: \ubcf4\ud3b8\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>SFP \ubaa8\ub4c8<\/strong><\/a>. )\ub97c \uc124\uacc4\u00b7\uc0ac\uc591 \uc815\uc758\u00b7\ubb38\uc81c \ud574\uacb0\ud558\ub294 \ubaa8\ub4e0 \uad00\uacc4\uc790\uc5d0\uac8c \uae30\ucd08 \uc9c0\uc2dd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub0ae\uc740 \uc7a1\uc74c, \ub192\uc740 \ub300\uc5ed\ud3ed, \ub0ae\uc740 \uc804\ub825 \uc18c\ube44\ub97c \uc2e4\ud604\ud558\uae30 \uc704\ud55c TIA \uac1c\ubc1c\uc740 \uad11 \ub124\ud2b8\uc6cc\ud0b9 \ubd84\uc57c\uc758 \uc9c4\uc804\uc744 \uc774\ub044\ub294 \uc8fc\uc694 \ub3d9\ub825\uc73c\ub85c \uacc4\uc18d\ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uadc0\uc0ac\uc758 \uad11\ud559 \uc2dc\uc2a4\ud15c \ucd5c\uc801\ud654\ub97c \uc900\ube44\ud558\uc168\ub098\uc694?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\uc808\ud55c TIA \uae30\uc220\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uad11 \ub9c1\ud06c\uc5d0\uc11c \ucd5c\uace0 \uc131\ub2a5\uc744 \ub2ec\uc131\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ucc28\uc138\ub300 <strong>400G\/800G \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong> \ub97c \uc124\uacc4\ud558\ub4e0, \uadc0\uc0ac\uc758 \ub124\ud2b8\uc6cc\ud06c \uc5c5\uadf8\ub808\uc774\ub4dc\ub97c \uc704\ud574 \uc2e0\ub8b0\uc131 \uc788\ub294 <strong>\uba40\ud2f0\ubaa8\ub4dc<\/strong> \ub97c \uc0ac\uc591 \uc815\uc758\ud558\ub4e0, TIA \uc0ac\uc591\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud575\uc2ec\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<div><div widgetid=\"3ef779ac451211f099380a58fbc66727\" 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