{"id":8013,"date":"2025-05-11T16:46:32","date_gmt":"2025-05-11T07:46:32","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=8013"},"modified":"2026-10-04T11:18:22","modified_gmt":"2026-10-04T02:18:22","slug":"common-mode-differential-mode","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/common-mode-differential-mode\/","title":{"rendered":"common mode, differential mode"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/blog.naver.com\/bok2sb\/222772866001\">https:\/\/blog.naver.com\/bok2sb\/222772866001<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ud398\uc774\uc9c0\uc758 03\ubc88 \ud30c\uc77c \ucc38\uc870<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"907\" height=\"1280\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-1.png\" alt=\"\" class=\"wp-image-8015\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-1.png 907w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-1-768x1084.png 768w\" sizes=\"auto, (max-width: 907px) 100vw, 907px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"878\" height=\"1280\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-2.png\" alt=\"\" class=\"wp-image-8016\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-2.png 878w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-2-768x1120.png 768w\" sizes=\"auto, (max-width: 878px) 100vw, 878px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"918\" height=\"1280\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-3.png\" alt=\"\" class=\"wp-image-8017\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-3.png 918w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/image-3-768x1071.png 768w\" sizes=\"auto, (max-width: 918px) 100vw, 918px\" \/><\/figure>\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<iframe loading=\"lazy\" title=\"\uc804\uc790\ud30c\uc2dc\ud5d8\uacfc EMI&amp;EMC\uc758 \uae30\ucd08 37 (OTT\uc758 EMC\uacf5\ud559 CH_13 \uc804\ub3c4\uc131 \ubc29\ucd9c - \uacf5\ud1b5\ubaa8\ub4dc vs \ucc28\ub3d9\ubaa8\ub4dc)-01\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/kko0JssFtFg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"chapter19-wide\">\n\n  <h1>Common Mode \u00b7 Differential Mode<\/h1>\n\n  <div class=\"subtitle\">\n    \ucc28\ub3d9 \ud68c\ub85c \u00b7 Common Mode \u00b7 Differential Mode \u00b7 Shunt \u00b7 Series \u00b7 \u03c0 Type \u00b7 T Type \u00b7 \uc885\ub2e8 \uc784\ud53c\ub358\uc2a4\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>1. \ucc28\ub3d9 \ud68c\ub85c\uc758 Common Mode\uc640 Differential Mode<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294 \ucc28\ub3d9 \ud68c\ub85c\uc758 \uc2e0\ud638\ub97c\n      Common Mode\uc640 Differential Mode\ub85c \uad6c\ubd84\ud55c\ub2e4.\n    <\/p>\n\n    <p>\n      \ub610\ud55c \ucc28\ub3d9 \ud68c\ub85c\uc758 \uc885\ub2e8 \ubc29\ubc95\uc744\n      \ub2e4\uc74c 4\uac00\uc9c0\ub85c \uc815\ub9ac\ud55c\ub2e4.\n    <\/p>\n\n    <ol>\n      <li>Shunt<\/li>\n      <li>Series<\/li>\n      <li>\u03c0 Type<\/li>\n      <li>T Type<\/li>\n    <\/ol>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>2. Common Mode<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Common Mode\uc5d0\uc11c\ub294\n      V+\uc640 V-\uc5d0 \uacf5\ud1b5\uc73c\ub85c \ub098\ud0c0\ub098\ub294 \uc804\uc555\uc5d0 \uc758\ud574\n      GND \ubc29\ud5a5\uc73c\ub85c \uc804\ub958\uac00 \ud750\ub974\ub294 \ud615\ud0dc\ub85c \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <pre>\n        V+ \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                     \u2502\n               Common Mode\n                     \u2502\n        V- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                     \u2502\n                     \u25bc\n                    GND\n    <\/pre>\n\n    <div class=\"formula\">\n      Common Mode\n      \u2192\n      GND \ubc29\ud5a5\uc758 \uacf5\ud1b5 \uc804\ub958\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>3. Differential Mode<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Differential Mode\uc5d0\uc11c\ub294\n      GND\ub85c \uc804\ub958\uac00 \ud750\ub974\uc9c0 \uc54a\uace0\n      V+\uc640 V- \uc0ac\uc774\ub85c \uc804\ub958\uac00 \ud750\ub974\ub294 \uac83\uc73c\ub85c \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <pre>\n        V+  \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                            \u2502\n                     Differential\n                         Current\n                            \u2502\n        V-  \u25c0\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n    <\/pre>\n\n    <div class=\"formula\">\n      Differential Mode\n      \u2192\n      V+ \u2194 V-\n    <\/div>\n\n    <div class=\"memory\">\n      <strong>\n        \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294 Differential Mode\uc758 \uc804\ub958\uac00\n        V+\uc640 V- \uc0ac\uc774\uc5d0\uc11c \ud750\ub974\uace0,\n        GND\ub85c\ub294 \ud750\ub974\uc9c0 \uc54a\ub294 \uac83\uc73c\ub85c \uc815\ub9ac\ud55c\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>4. Differential Mode Noise<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294 Normal Mode,\n      \uc989 Differential Mode\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 Noise\ub294\n      \uc0c1\ub300\uc801\uc73c\ub85c \ub300\ucc98\ud558\uae30 \uc27d\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Normal Mode\n      =\n      Differential Mode\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>5. Common Mode Noise<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Common Mode Noise\ub294\n      \ub300\ucc98\ud558\uae30 \uc5b4\ub835\ub2e4\uace0 \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <p>\n      \uadf8 \uc774\uc720\uc5d0 \ub300\ud574\uc11c\ub294\n      \uc804\ub958\uac00 \uc5b4\ub514\uc5d0\uc11c \ud750\ub974\ub294\uc9c0 \uc54c\uae30 \uc5b4\ub835\ub2e4\ub294\n      \uba54\ubaa8\uac00 \ud568\uaed8 \uc801\ud600 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Common Mode Noise\n      \u2192\n      \ub300\ucc98\ud558\uae30 \uc5b4\ub824\uc6c0\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>6. Single End Cabling \uad00\ub828 \uba54\ubaa8<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uccab \ubc88\uc9f8 \uc774\ubbf8\uc9c0\uc5d0\ub294 \ucc28\ub3d9 \ud68c\ub85c\uc640 \ube44\uad50\ud558\uc5ec\n      Single End Cabling\uc5d0 \uad00\ud55c \uba54\ubaa8\ub3c4 \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Single End Cabling\n      \u2192\n      GND\ub97c Return Path\ub85c \uc0ac\uc6a9\n      \u2192\n      \ubd88\uc548\uc815\ud568\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>7. Shunt \uc885\ub2e8<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Shunt \ubc29\uc2dd\uc5d0\uc11c\ub294\n      V+\uc640 V- \uc0ac\uc774\uc5d0 \uc885\ub2e8\uc800\ud56d R<sub>T<\/sub>\ub97c \uc5f0\uacb0\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n        V+ \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                     \u2502\n                    R_T\n                     \u2502\n        V- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>8. Shunt\uc758 Differential Mode \uc784\ud53c\ub358\uc2a4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Differential Mode \uc804\ub958\ub294\n      V+\uc5d0\uc11c R<sub>T<\/sub>\ub97c \uac70\uccd0\n      V-\ub85c \ud750\ub974\ub294 \ud615\ud0dc\ub85c \ud45c\uc2dc\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <pre>\n        V+ \u2500\u2500\u2500\u2500\u2510\n               \u2502\n              R_T\n               \u2502\n        V- \u25c0\u2500\u2500\u2500\u2518\n    <\/pre>\n\n    <div class=\"formula\">\n      Z<sub>diff<\/sub>\n      =\n      R<sub>T<\/sub>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>9. Shunt\uc758 Common Mode \uc784\ud53c\ub358\uc2a4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Shunt \uc800\ud56d\uc740 V+\uc640 V- \uc0ac\uc774\uc5d0\ub9cc \uc874\uc7ac\ud558\uace0\n      GND\ub85c \uc5f0\uacb0\ub41c \uacbd\ub85c\uac00 \uc5c6\ub2e4.\n    <\/p>\n\n    <p>\n      \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294 Common Mode \uc784\ud53c\ub358\uc2a4\ub97c\n      \ubb34\ud55c\ub300\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Z<sub>comm<\/sub>\n      =\n      \u221e\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>10. Series \uc885\ub2e8<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Series \ubc29\uc2dd\uc5d0\uc11c\ub294\n      V+\uc640 V- \uac01\uac01\uc5d0\n      R<sub>T<\/sub>\ub97c \uc9c1\ub82c\ub85c \uc5f0\uacb0\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n        V+ \u2500\u2500\u2500 R_T \u2500\u2500\u2500 GND\n\n        V- \u2500\u2500\u2500 R_T \u2500\u2500\u2500 GND\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>11. Series\uc758 Differential Mode \uc784\ud53c\ub358\uc2a4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Differential Mode\uc5d0\uc11c\ub294\n      \ub450 \uac1c\uc758 R<sub>T<\/sub>\uac00\n      \ud558\ub098\uc758 \uc804\ub958 \uacbd\ub85c\uc5d0 \uc9c1\ub82c\ub85c \ub193\uc774\ub294 \uac83\uc73c\ub85c \uc815\ub9ac\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <pre>\n        V+ \u2500\u2500 R_T \u2500\u2500\u2510\n                     \u2502\n                     \u2502\n        V- \u2500\u2500 R_T \u2500\u2500\u2518\n    <\/pre>\n\n    <div class=\"formula\">\n      Z<sub>diff<\/sub>\n      =\n      2R<sub>T<\/sub>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>12. Series\uc758 Common Mode \uc784\ud53c\ub358\uc2a4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Common Mode\uc5d0\uc11c\ub294\n      \ub450 \uac1c\uc758 R<sub>T<\/sub> \uacbd\ub85c\uac00\n      \ubcd1\ub82c\ub85c \ub3d9\uc791\ud558\ub294 \ud615\ud0dc\ub85c \uadf8\ub824\uc838 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Z<sub>comm<\/sub>\n      =\n      R<sub>T<\/sub> \/ 2\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>13. \u03c0 Type \uc885\ub2e8<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \u03c0 Type\uc5d0\uc11c\ub294\n      V+\uc640 V- \uc0ac\uc774\uc5d0 R<sub>T1<\/sub>\uc744 \uc5f0\uacb0\ud558\uace0,\n      \uac01 \uc120\uc5d0\uc11c GND \ubc29\ud5a5\uc73c\ub85c\n      R<sub>T2<\/sub>\ub97c \uc5f0\uacb0\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n                         R_T2\n        V+ \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25cf\u2500\u2500\u2500\/\\\/\\\/\u2500\u2500\u2500 GND\n                   \u2502\n                  R_T1\n                   \u2502\n        V- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25cf\u2500\u2500\u2500\/\\\/\\\/\u2500\u2500\u2500 GND\n                         R_T2\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>14. \u03c0 Type\uc758 Differential Mode \uc784\ud53c\ub358\uc2a4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Differential Mode\uc5d0\uc11c\n      V+\uc640 V- \uc0ac\uc774\uc5d0\ub294\n      \uc9c1\uc811 \uc5f0\uacb0\ub41c R<sub>T1<\/sub> \uacbd\ub85c\uac00 \uc874\uc7ac\ud55c\ub2e4.\n    <\/p>\n\n    <p>\n      \ub3d9\uc2dc\uc5d0 \ub450 \uac1c\uc758 R<sub>T2<\/sub>\ub97c \uac70\uce58\ub294\n      \uacbd\ub85c\ub3c4 \uc874\uc7ac\ud558\ub294 \uac83\uc73c\ub85c \uc815\ub9ac\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Z<sub>diff<\/sub>\n      =\n      R<sub>T1<\/sub>\n      \u2225\n      2R<sub>T2<\/sub>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>15. \u03c0 Type\uc758 Common Mode \uc784\ud53c\ub358\uc2a4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Common Mode\uc5d0\uc11c\ub294\n      V+\uc640 V- \uc0ac\uc774\uc758 R<sub>T1<\/sub>\uc5d0\n      \uc804\ub958\uac00 \ud750\ub974\uc9c0 \uc54a\ub294 \uac83\uc73c\ub85c \ud45c\uc2dc\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <p>\n      \ub450 \uac1c\uc758 R<sub>T2<\/sub>\uac00\n      GND \ubc29\ud5a5\uc73c\ub85c \ubcd1\ub82c \uc5f0\uacb0\ub41c \ud615\ud0dc\uac00 \ub41c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Z<sub>comm<\/sub>\n      =\n      R<sub>T2<\/sub> \/ 2\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>16. T Type \uc885\ub2e8<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      T Type\uc5d0\uc11c\ub294 V+\uc640 V- \uc0ac\uc774\uc5d0\n      \ub450 \uac1c\uc758 R<sub>T1<\/sub>\uc744 \uc5f0\uacb0\ud558\uace0,\n      \ub450 \uc800\ud56d\uc758 \uc911\uac04\uc810\uc5d0\uc11c GND \ubc29\ud5a5\uc73c\ub85c\n      R<sub>T2<\/sub>\ub97c \uc5f0\uacb0\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n        V+ \u2500\u2500 R_T1 \u2500\u2500\u25cf\u2500\u2500 R_T1 \u2500\u2500 V-\n                      \u2502\n                     R_T2\n                      \u2502\n                     GND\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>17. T Type\uc758 Differential Mode \uc784\ud53c\ub358\uc2a4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Differential Mode\uc5d0\uc11c\ub294\n      \uc911\uac04\uc810\uc758 GND \ubc29\ud5a5 \uc804\ub958\ub97c\n      0 A\ub85c \ud45c\uc2dc\ud55c\ub2e4.\n    <\/p>\n\n    <p>\n      \ub530\ub77c\uc11c V+\uc5d0\uc11c V-\uae4c\uc9c0\n      \ub450 \uac1c\uc758 R<sub>T1<\/sub>\uc774\n      \uc9c1\ub82c \uacbd\ub85c\ub97c \uad6c\uc131\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Z<sub>diff<\/sub>\n      =\n      2R<sub>T1<\/sub>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>18. T Type\uc758 Common Mode \uc784\ud53c\ub358\uc2a4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Common Mode\uc5d0\uc11c\ub294\n      \uc704\u00b7\uc544\ub798\uc758 \ub450 R<sub>T1<\/sub>\uc744 \ud1b5\ud574\n      \uac19\uc740 \ubc29\ud5a5\uc758 \uc804\ub958\uac00 \uc911\uc559\uc810\uc73c\ub85c \ubaa8\uc774\ub294 \ud615\ud0dc\ub85c \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <p>\n      \uc774\ubbf8\uc9c0\uc5d0\ub294\n      R<sub>T1<\/sub>\uc744 \ud1b5\uacfc\ud558\ub294 \uc804\ub958\uac00 2\ubc30\uac00 \ub418\ub294 \uad00\uacc4\uc5d0\uc11c\n      R<sub>T1<\/sub>\/2\uc758 \ub4f1\uac00\uc800\ud56d\uc73c\ub85c \ud45c\ud604\ud558\ub294 \uba54\ubaa8\uac00 \uc788\ub2e4.\n    <\/p>\n\n    <pre>\n          V+ \u2500\u2500 R_T1 \u2500\u2500\u2510\n                        \u2502\n                        \u25cf\u2500\u2500 R_T2 \u2500\u2500 GND\n                        \u2502\n          V- \u2500\u2500 R_T1 \u2500\u2500\u2518\n    <\/pre>\n\n    <div class=\"formula\">\n      Z<sub>comm<\/sub>\n      =\n      R<sub>T1<\/sub>\/2\n      +\n      R<sub>T2<\/sub>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>19. Shunt \u00b7 Series \ube44\uad50<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\uc885\ub2e8 \ubc29\uc2dd<\/th>\n          <th>Z<sub>diff<\/sub><\/th>\n          <th>Z<sub>comm<\/sub><\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>Shunt<\/strong><\/td>\n          <td>R<sub>T<\/sub><\/td>\n          <td>\u221e<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Series<\/strong><\/td>\n          <td>2R<sub>T<\/sub><\/td>\n          <td>R<sub>T<\/sub>\/2<\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>20. \u03c0 Type \u00b7 T Type \ube44\uad50<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\uc885\ub2e8 \ubc29\uc2dd<\/th>\n          <th>Z<sub>diff<\/sub><\/th>\n          <th>Z<sub>comm<\/sub><\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>\u03c0 Type<\/strong><\/td>\n          <td>\n            R<sub>T1<\/sub> \u2225 2R<sub>T2<\/sub>\n          <\/td>\n          <td>\n            R<sub>T2<\/sub>\/2\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>T Type<\/strong><\/td>\n          <td>\n            2R<sub>T1<\/sub>\n          <\/td>\n          <td>\n            R<sub>T1<\/sub>\/2 + R<sub>T2<\/sub>\n          <\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>21. 4\uac00\uc9c0 \uc885\ub2e8 \ubc29\ubc95<\/h2>\n\n  <div class=\"card\">\n\n    <pre>\n               Differential Pair\n                       \u2502\n          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n          \u2502            \u2502            \u2502\n          \u25bc            \u25bc            \u25bc\n        Shunt        Series       \u03c0 Type\n          \u2502            \u2502            \u2502\n          \u2502            \u2502            \u2502\n          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                       \u2502\n                       \u25bc\n                     T Type\n\n\n      Shunt\n      V+ \u2500\u2500\u2500 R_T \u2500\u2500\u2500 V-\n\n\n      Series\n      V+ \u2500\u2500\u2500 R_T \u2500\u2500\u2500 GND\n      V- \u2500\u2500\u2500 R_T \u2500\u2500\u2500 GND\n\n\n      \u03c0 Type\n                       R_T2\n      V+ \u2500\u2500\u2500\u2500\u25cf\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\/\\\/\\\/\u2500\u2500 GND\n             \u2502\n            R_T1\n             \u2502\n      V- \u2500\u2500\u2500\u2500\u25cf\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\/\\\/\\\/\u2500\u2500 GND\n                       R_T2\n\n\n      T Type\n      V+ \u2500 R_T1 \u2500\u25cf\u2500 R_T1 \u2500 V-\n                  \u2502\n                 R_T2\n                  \u2502\n                 GND\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>22. Common Mode \u00b7 Differential Mode \uc804\uccb4 \uad00\uacc4<\/h2>\n\n  <div class=\"card\">\n\n    <pre>\n              Differential Pair\n                     \u2502\n           \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n           \u25bc                   \u25bc\n     Differential Mode     Common Mode\n           \u2502                   \u2502\n           \u25bc                   \u25bc\n       V+ \u2194 V-              GND \ubc29\ud5a5\n           \u2502                   \u2502\n           \u25bc                   \u25bc\n      Z_diff \uacc4\uc0b0          Z_comm \uacc4\uc0b0\n           \u2502                   \u2502\n           \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                     \u25bc\n               \uc885\ub2e8\ud68c\ub85c \uc120\ud0dd\n                     \u2502\n        \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n        \u25bc            \u25bc             \u25bc\n      Shunt        Series          \u03c0\n                                    \u2502\n                                    \u25bc\n                                    T\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>23. \uc774\ubbf8\uc9c0 \ud575\uc2ec \uc815\ub9ac<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\ud56d\ubaa9<\/th>\n          <th>\uc774\ubbf8\uc9c0 \ub0b4\uc6a9<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>Differential Mode<\/strong><\/td>\n          <td>\uc804\ub958\uac00 V+\uc640 V- \uc0ac\uc774\ub85c \ud750\ub984<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Common Mode<\/strong><\/td>\n          <td>\uacf5\ud1b5 \uc804\uc555\uc5d0 \uc758\ud574 GND \ubc29\ud5a5\uc73c\ub85c \ud750\ub974\ub294 \uc804\ub958<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Normal Mode Noise<\/strong><\/td>\n          <td>Differential Mode, \ub300\ucc98\ud558\uae30 \uc26c\uc6c0\uc73c\ub85c \uae30\ub85d<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Common Mode Noise<\/strong><\/td>\n          <td>\ub300\ucc98\ud558\uae30 \uc5b4\ub824\uc6c0\uc73c\ub85c \uae30\ub85d<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Single End<\/strong><\/td>\n          <td>GND\ub97c Return Path\ub85c \uc0ac\uc6a9, \ubd88\uc548\uc815\ud568\uc73c\ub85c \uae30\ub85d<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uc885\ub2e8 \ubc29\uc2dd<\/strong><\/td>\n          <td>Shunt, Series, \u03c0, T<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Shunt Zdiff<\/strong><\/td>\n          <td>R<sub>T<\/sub><\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Shunt Zcomm<\/strong><\/td>\n          <td>\u221e<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Series Zdiff<\/strong><\/td>\n          <td>2R<sub>T<\/sub><\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Series Zcomm<\/strong><\/td>\n          <td>R<sub>T<\/sub>\/2<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\u03c0 Type Zdiff<\/strong><\/td>\n          <td>R<sub>T1<\/sub> \u2225 2R<sub>T2<\/sub><\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\u03c0 Type Zcomm<\/strong><\/td>\n          <td>R<sub>T2<\/sub>\/2<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>T Type Zdiff<\/strong><\/td>\n          <td>2R<sub>T1<\/sub><\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>T Type Zcomm<\/strong><\/td>\n          <td>R<sub>T1<\/sub>\/2 + R<sub>T2<\/sub><\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <div class=\"warning\">\n\n    <strong>\n      \uc774 HTML\uc740 \ud398\uc774\uc9c0 \ubcf8\ubb38\uacfc \uc678\ubd80 \ub9c1\ud06c,\n      YouTube \uc790\ub8cc\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0\n      \ud574\ub2f9 \ud398\uc774\uc9c0\uc5d0 \uc0bd\uc785\ub41c \uc77c\ubc18 \uc774\ubbf8\uc9c0 3\uc7a5\ub9cc\n      \uc9c1\uc811 \uc2dc\uac01 \ud310\ub3c5\ud558\uc5ec \uc791\uc131\ud558\uc600\ub2e4.\n\n      \uc774 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 NeoStudio PDF\uac00 \ud655\uc778\ub418\uc9c0 \uc54a\uc558\ub2e4.\n\n      \uccab \ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      Common Mode\uc640 Differential Mode\uc758 \uc804\ub958 \uacbd\ub85c,\n      Noise \uad00\ub828 \uba54\ubaa8\uc640 Shunt \uc885\ub2e8\uc744 \uc124\uba85\ud55c\ub2e4.\n\n      \ub450 \ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      Series \ubc0f \u03c0 Type \uc885\ub2e8\uc758\n      Differential\/Common Mode \ub4f1\uac00 \uc784\ud53c\ub358\uc2a4\ub97c \uacc4\uc0b0\ud55c\ub2e4.\n\n      \uc138 \ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      T Type \uc885\ub2e8\uc758\n      Differential\/Common Mode \ub4f1\uac00 \uc784\ud53c\ub358\uc2a4\ub97c \uacc4\uc0b0\ud55c\ub2e4.\n\n      \uc774\ubbf8\uc9c0\uc5d0 \uc5c6\ub294 EMC \uc774\ub860,\n      CMRR,\n      \ucf00\uc774\ube14 \ucc28\ud3d0,\n      Ground Loop \ub4f1\uc758 \ub0b4\uc6a9\uc740 \ucd94\uac00\ud558\uc9c0 \uc54a\uc558\ub2e4.\n    <\/strong>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <div class=\"keywords\">\n    Common Mode,\n    Differential Mode,\n    Normal Mode,\n    Differential Pair,\n    Common Mode Noise,\n    Differential Mode Noise,\n    Termination,\n    Shunt,\n    Series,\n    Pi Type,\n    T Type,\n    RT,\n    RT1,\n    RT2,\n    Zdiff,\n    Zcomm,\n    Ground,\n    GND,\n    Return Path,\n    Single End Cabling\n  <\/div>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/blog.naver.com\/bok2sb\/222772866001 \uc704 \ud398\uc774\uc9c0\uc758 03\ubc88 \ud30c\uc77c \ucc38\uc870 Common Mode \u00b7 Differential Mode \ucc28\ub3d9 \ud68c\ub85c \u00b7 Common Mode \u00b7 Differential Mode \u00b7 Shunt \u00b7 Series \u00b7 \u03c0 Type \u00b7 T Type \u00b7 \uc885\ub2e8 \uc784\ud53c\ub358\uc2a4 1. \ucc28\ub3d9 \ud68c\ub85c\uc758 Common Mode\uc640 Differential Mode \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294 \ucc28\ub3d9 \ud68c\ub85c\uc758 \uc2e0\ud638\ub97c Common Mode\uc640 Differential Mode\ub85c \uad6c\ubd84\ud55c\ub2e4. \ub610\ud55c \ucc28\ub3d9 \ud68c\ub85c\uc758 \uc885\ub2e8 \ubc29\ubc95\uc744 \ub2e4\uc74c 4\uac00\uc9c0\ub85c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1185],"tags":[1768,1769,1770,1767],"class_list":["post-8013","post","type-post","status-publish","format-standard","hentry","category-1185","tag-common","tag-differential","tag-differential-cable","tag-noise"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=8013"}],"version-history":[{"count":3,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8013\/revisions"}],"predecessor-version":[{"id":9693,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8013\/revisions\/9693"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=8013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=8013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=8013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}