{"id":8231,"date":"2026-01-01T16:13:18","date_gmt":"2026-01-01T07:13:18","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=8231"},"modified":"2026-10-04T11:30:04","modified_gmt":"2026-10-04T02:30:04","slug":"inductive-sencing-overview","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/inductive-sencing-overview\/","title":{"rendered":"Inductive Sencing overview"},"content":{"rendered":"\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/01\/NeoStudio_20260101_161106_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4-\uae30\uc220\uc0ac-17.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"NeoStudio_20260101_161106_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4 \uae30\uc220\uc0ac 17\uc758 \uc0bd\uc785.\"><\/object><a id=\"wp-block-file--media-f67a92f7-dcfb-45f6-aa24-92c7bb3af78f\" href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/01\/NeoStudio_20260101_161106_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4-\uae30\uc220\uc0ac-17.pdf\">NeoStudio_20260101_161106_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4 \uae30\uc220\uc0ac 17<\/a><a href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/01\/NeoStudio_20260101_161106_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4-\uae30\uc220\uc0ac-17.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-f67a92f7-dcfb-45f6-aa24-92c7bb3af78f\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ti.com\/video\/series\/precision-labs.html\">https:\/\/www.ti.com\/video\/series\/precision-labs.html<\/a><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Overview of inductive sensing technology\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/cnNDUyTttrM?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<p class=\"wp-block-paragraph\">\uacf5\uc9c4 \uc774\ud574<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1103\" height=\"1413\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/12\/image-18.png\" alt=\"\" class=\"wp-image-8234\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/12\/image-18.png 1103w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/12\/image-18-768x984.png 768w\" sizes=\"auto, (max-width: 1103px) 100vw, 1103px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/m.blog.naver.com\/deu03216\/222280733193\">https:\/\/m.blog.naver.com\/deu03216\/222280733193<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">http:\/\/www.rfdh.com\/bas_rf\/begin\/lc.htm<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1040\" height=\"1336\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/12\/image-19.png\" alt=\"\" class=\"wp-image-8236\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/12\/image-19.png 1040w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/12\/image-19-768x987.png 768w\" sizes=\"auto, (max-width: 1040px) 100vw, 1040px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">http:\/\/www.rfdh.com\/bas_rf\/begin\/reso.htm<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/01\/infineon-an219207-inductive-sensing-design-guide-applicationnotes-en.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"infineon-an219207-inductive-sensing-design-guide-applicationnotes-en\uc758 \uc0bd\uc785.\"><\/object><a id=\"wp-block-file--media-28edefa8-b85e-4bf3-8222-77d792ef5374\" href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/01\/infineon-an219207-inductive-sensing-design-guide-applicationnotes-en.pdf\">infineon-an219207-inductive-sensing-design-guide-applicationnotes-en<\/a><a href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/01\/infineon-an219207-inductive-sensing-design-guide-applicationnotes-en.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-28edefa8-b85e-4bf3-8222-77d792ef5374\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc88b\uc740 \ud3ec\uc778\ud2b8\ub97c \uc9da\uc73c\uc168\uc5b4\uc694 \ud83d\ude42. \uc9c0\uae08\uc740 <strong>Study Mode<\/strong>\ub2c8\uae4c, \ubc14\ub85c \uacb0\ub860\uc744 \uc8fc\uae30\ubcf4\ub2e4\ub294 \uc9c1\uad00\uc801\uc73c\ub85c \ub2e8\uacc4\ubcc4\ub85c \ud480\uc5b4\ubcfc\uac8c\uc694.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u26a1 \ubcd1\ub82c LC \ud0f1\ud06c\uc758 \uacf5\uc9c4 \uc9c1\uad00<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ubcd1\ub82c LC\ub9cc \ub193\uace0 \ubcf4\uba74<\/strong>: \uacf5\uc9c4\uc5d0\uc11c \uc784\ud53c\ub358\uc2a4\uac00 \ubb34\ud55c\ub300 \u2192 \uc678\ubd80\uc5d0\uc11c \ubcf4\uba74 \uc804\ub958\uac00 \ud750\ub974\uc9c0 \uc54a\uc73c\ub2c8 **Band Stop(Reject)**\ucc98\ub7fc \ubcf4\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uadf8\ub7f0\ub370 <strong>\uc13c\uc11c \ud68c\ub85c\ub098 \uc2e4\uc81c \ud544\ud130 \uad6c\uc870\uc5d0\uc11c\ub294<\/strong> LC \ud0f1\ud06c\uac00 \ub2e8\ub3c5\uc73c\ub85c \uc4f0\uc774\uc9c0 \uc54a\uace0, <strong>\ub2e4\ub978 \uc18c\uc790\uc640 \uacb0\ud569<\/strong>\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4:\n<ul class=\"wp-block-list\">\n<li><strong>\uc9c1\ub82c\ub85c \uc2e0\ud638 \uacbd\ub85c\uc5d0 \uc0bd\uc785<\/strong>\ud558\uba74, \uacf5\uc9c4\uc5d0\uc11c \uc784\ud53c\ub358\uc2a4\uac00 \ud06c\ubbc0\ub85c \uc2e0\ud638\uac00 \ucc28\ub2e8 \u2192 Band Stop.<\/li>\n\n\n\n<li><strong>\ubcd1\ub82c\ub85c \uc811\uc9c0\uc5d0 \uc5f0\uacb0<\/strong>\ud558\uba74, \uacf5\uc9c4\uc5d0\uc11c \uc784\ud53c\ub358\uc2a4\uac00 \ud06c\ubbc0\ub85c \uc2e0\ud638\uac00 \uc811\uc9c0\ub85c \ube60\uc9c0\uc9c0 \uc54a\uace0 \uadf8\ub300\ub85c \ud1b5\uacfc \u2192 Band Pass.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udfaf \ud575\uc2ec \ucc28\uc774<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>LC \ud0f1\ud06c \uc790\uccb4<\/strong>\ub294 \u201c\uacf5\uc9c4\uc5d0\uc11c \uc784\ud53c\ub358\uc2a4 \ucd5c\ub300\u201d\ub77c\ub294 \uc131\uc9c8\ub9cc \uac00\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud544\ud130\ub85c\uc11c\uc758 \uc131\uc9c8<\/strong>\uc740 <strong>\ud0f1\ud06c\ub97c \uc5b4\ub514\uc5d0 \ub450\ub290\ub0d0<\/strong>\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4:\n<ul class=\"wp-block-list\">\n<li><strong>\uc9c1\ub82c \uacbd\ub85c\uc5d0 \ub450\uba74<\/strong> \u2192 Band Stop.<\/li>\n\n\n\n<li><strong>\ubcd1\ub82c\ub85c \uc811\uc9c0\uc5d0 \ub450\uba74<\/strong> \u2192 Band Pass.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 \uc9c8\ubb38: \uc9c0\uae08 \ub9d0\uc500\ud558\uc2e0 inductive sensing \ud68c\ub85c\uc5d0\uc11c\ub294 LC \ud0f1\ud06c\uac00 <strong>\uc2e0\ud638 \uacbd\ub85c\uc5d0 \uc9c1\ub82c<\/strong>\ub85c \uc788\ub098\uc694, \uc544\ub2c8\uba74 <strong>\ubcd1\ub82c\ub85c \uc811\uc9c0<\/strong>\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub098\uc694? \uc774 \uc704\uce58\uc5d0 \ub530\ub77c Band Pass\/Stop \uc131\uc9c8\uc774 \ub2ec\ub77c\uc9c0\ub294 \uac78 \uc9c1\uc811 \ud655\uc778\ud574 \ubcf4\uba74 \uc774\ud574\uac00 \ub354 \ud655\uc2e4\ud574\uc9c8 \uac70\uc608\uc694.<\/p>\n\n\n\n&#8220;`html\n<div class=\"chapter19-wide\">\n\n  <h1>Inductive Sensing Overview<\/h1>\n\n  <div class=\"subtitle\">\n    Inductive Sensing \u00b7 Eddy Current \u00b7 LC Tank \u00b7 Resonance \u00b7 SRF \u00b7 Band-Pass\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>1. Inductive Sensing\uc758 \uae30\ubcf8 \uac1c\ub150<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\uc11c\ub294\n      Inductive Sensing\uc5d0 LC \ud68c\ub85c\uc758 \uacf5\uc9c4\ud2b9\uc131\uc744 \uc774\uc6a9\ud55c\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <p>\n      LC \ud68c\ub85c \uc8fc\ubcc0\uc5d0 \uae08\uc18d\uc774 \uc811\uadfc\ud558\uba74\n      \uae08\uc18d\uc5d0 Eddy Current\uac00 \ud615\uc131\ub418\uace0,\n      \uc774 \uc601\ud5a5\uc73c\ub85c LC \ud68c\ub85c\uc758 \ud2b9\uc131\uc774 \ubcc0\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n      LC Sensor Coil\n            \u2502\n            \u2502 Magnetic Field\n            \u25bc\n        Metal Target\n            \u2502\n            \u25bc\n        Eddy Current\n            \u2502\n            \u25bc\n      LC \ud2b9\uc131 \ubcc0\ud654\n            \u2502\n            \u25bc\n       \uacf5\uc9c4 \ud2b9\uc131 \ubcc0\ud654\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>2. \uae08\uc18d\uacfc Eddy Current<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc6d0\ubcf8\uc5d0\uc11c\ub294 LC \ud68c\ub85c\uac00 \ub9cc\ub4e0 \uc790\uae30\uc7a5\uc5d0\n      Metal\uc774 \uac00\uae4c\uc6cc\uc9c0\uba74\n      Eddy Current\uac00 \ubc1c\uc0dd\ud55c\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Magnetic Field\n      +\n      Metal\n      \u2192\n      Eddy Current\n    <\/div>\n\n    <div class=\"memory\">\n      <strong>\n        Inductive Sensing\uc740\n        \uae08\uc18d\uacfc Sensor Coil \uc0ac\uc774\uc758 \uc804\uc790\uae30\uc801 \uc0c1\ud638\uc791\uc6a9\uc744\n        LC \uacf5\uc9c4\ud2b9\uc131\uc758 \ubcc0\ud654\ub85c \uac80\ucd9c\ud558\ub294 \uad6c\uc870\uc774\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>3. \uacf5\uc9c4\uc8fc\ud30c\uc218\ub97c \uc774\uc6a9\ud55c \uac80\ucd9c<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\uc11c\ub294\n      \uacf5\uc9c4\uc8fc\ud30c\uc218\ub97c \uc120\ud0dd\uc801\uc73c\ub85c \uc774\uc6a9\ud558\uc5ec\n      \uae08\uc18d \uc811\uadfc\uc5d0 \ub530\ub978 \ubcc0\ud654\ub97c \uac80\ucd9c\ud558\ub294 \ubc29\ud5a5\uc73c\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Metal \uc811\uadfc\n      \u2192\n      LC Parameter \ubcc0\ud654\n      \u2192\n      Resonant Characteristic \ubcc0\ud654\n      \u2192\n      Detection\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>4. \uc9c1\ub82c LC \uacf5\uc9c4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ub450 \ubc88\uc9f8 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294 \uba3c\uc800\n      \uc9c1\ub82c LC \ud68c\ub85c\ub97c \uc815\ub9ac\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n      \u2500\u2500\u2500\u2500\u2500 L \u2500\u2500\u2500\u2500\u2500 C \u2500\u2500\u2500\u2500\u2500\n    <\/pre>\n\n    <p>\n      \uc9c1\ub82c LC\uc758 Impedance\ub294\n    <\/p>\n\n    <div class=\"formula\">\n      Z\n      =\n      j\u03c9L\n      +\n      1\/(j\u03c9C)\n    <\/div>\n\n    <div class=\"formula\">\n      =\n      j\n      (\n      \u03c9L\n      &#8211;\n      1\/(\u03c9C)\n      )\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>5. \uc9c1\ub82c\uacf5\uc9c4 \uc870\uac74<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uacf5\uc9c4\uc5d0\uc11c\ub294\n      Inductive Reactance\uc640 Capacitive Reactance\uac00 \uc0c1\uc1c4\ub41c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      \u03c9L\n      &#8211;\n      1\/(\u03c9C)\n      =\n      0\n    <\/div>\n\n    <p>\n      \ub530\ub77c\uc11c\n    <\/p>\n\n    <div class=\"formula\">\n      \u03c9\u2080\n      =\n      1\/\u221a(LC)\n    <\/div>\n\n    <div class=\"formula\">\n      f\u2080\n      =\n      1\/(2\u03c0\u221a(LC))\n    <\/div>\n\n    <p>\n      \uc6d0\ubcf8\uc5d0\uc11c\ub294 \uc9c1\ub82c\uacf5\uc9c4\uc810\uc5d0\uc11c\n      Impedance\uac00 \uc791\uc544\uc9c0\ub294 \uadf8\ub798\ud504\ub97c \uadf8\ub9b0\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Series Resonance\n      \u2192\n      Z Minimum\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>6. \ubcd1\ub82c LC \uacf5\uc9c4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ubcd1\ub82c LC \ud68c\ub85c\ub3c4 \ud568\uaed8 \ube44\uad50\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n           \u250c\u2500\u2500 L \u2500\u2500\u2510\n      \u2500\u2500\u2500\u2500\u2500\u2524       \u251c\u2500\u2500\u2500\u2500\u2500\n           \u2514\u2500\u2500 C \u2500\u2500\u2518\n    <\/pre>\n\n    <p>\n      \ubcd1\ub82c\ud68c\ub85c\uc5d0\uc11c\ub294 Admittance\ub97c \uc774\uc6a9\ud558\uc5ec\n    <\/p>\n\n    <div class=\"formula\">\n      1\/Z\n      =\n      1\/(j\u03c9L)\n      +\n      j\u03c9C\n    <\/div>\n\n    <div class=\"formula\">\n      =\n      j\n      (\n      \u03c9C\n      &#8211;\n      1\/(\u03c9L)\n      )\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>7. \ubcd1\ub82c\uacf5\uc9c4 \uc870\uac74<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uacf5\uc9c4\uc870\uac74\uc740\n    <\/p>\n\n    <div class=\"formula\">\n      \u03c9C\n      &#8211;\n      1\/(\u03c9L)\n      =\n      0\n    <\/div>\n\n    <p>\n      \uc774\ubbc0\ub85c\n    <\/p>\n\n    <div class=\"formula\">\n      \u03c9\u2080\n      =\n      1\/\u221a(LC)\n    <\/div>\n\n    <div class=\"formula\">\n      f\u2080\n      =\n      1\/(2\u03c0\u221a(LC))\n    <\/div>\n\n    <p>\n      \ubcd1\ub82c\uacf5\uc9c4\uc810\uc5d0\uc11c\ub294\n      Impedance\uac00 \ud070 \ubc29\ud5a5\uc73c\ub85c \uadf8\ub824\uc838 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Parallel Resonance\n      \u2192\n      Z Maximum\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>8. \uc9c1\ub82c\uacf5\uc9c4\uacfc \ubcd1\ub82c\uacf5\uc9c4 \ube44\uad50<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\uad6c\ubd84<\/th>\n          <th>\uacf5\uc9c4\uc8fc\ud30c\uc218<\/th>\n          <th>\uacf5\uc9c4\uc810 Impedance<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>Series LC<\/strong><\/td>\n          <td>1\/(2\u03c0\u221aLC)<\/td>\n          <td>\ucd5c\uc18c \ubc29\ud5a5<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Parallel LC<\/strong><\/td>\n          <td>1\/(2\u03c0\u221aLC)<\/td>\n          <td>\ucd5c\ub300 \ubc29\ud5a5<\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>9. \uc800\uc8fc\ud30c \ubaa8\ub378\uacfc \uace0\uc8fc\ud30c \ubaa8\ub378<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc77c\ubc18 \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294\n      \uc2e4\uc81c \uc218\ub3d9\uc18c\uc790\ub294 \uace0\uc8fc\ud30c\uc5d0\uc11c\n      \uc774\uc0c1\uc801\uc778 L, C, R \ud558\ub098\ub9cc\uc73c\ub85c \ub3d9\uc791\ud558\uc9c0 \uc54a\ub294\ub2e4\uace0 \ubcf4\uc5ec\uc900\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Low Frequency\n      \u2192\n      Lumped Ideal Model\n    <\/div>\n\n    <div class=\"formula\">\n      High Frequency\n      \u2192\n      Parasitic Component \uc601\ud5a5 \uc99d\uac00\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>10. Wire\uc758 \uace0\uc8fc\ud30c \ud2b9\uc131<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc77c\ubc18 \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294 Wire\ub3c4 \uace0\uc8fc\ud30c\uc5d0\uc11c\n      \uae30\uc0dd Inductance\uc640 Resistance\ub97c \uac16\ub294 \uac83\uc73c\ub85c \ubaa8\ub378\ub9c1\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n      Ideal Wire\n          \u2193\n      L_parasitic + R_parasitic\n    <\/pre>\n\n    <p>\n      \uace0\uc8fc\ud30c\uc5d0\uc11c Skin Effect \ub4f1\uc5d0 \uc758\ud574\n      \uc800\ud56d\uc131\ubd84\ub3c4 \uc99d\uac00\ud558\ub294 \ubc29\ud5a5\uc73c\ub85c \uadf8\ub9bc\uc774 \uc81c\uc2dc\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>11. Resistor\uc758 \uace0\uc8fc\ud30c \ubaa8\ub378<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Resistor\ub3c4 \uace0\uc8fc\ud30c\uc5d0\uc11c\n      \ub2e8\uc21c\ud55c R\ub9cc \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\ub2e4.\n    <\/p>\n\n    <p>\n      \uc6d0\ubcf8 \uadf8\ub9bc\uc5d0\ub294\n      \uae30\uc0dd Inductance\uc640 Capacitance\uac00 \ucd94\uac00\ub41c\n      \uace0\uc8fc\ud30c \ub4f1\uac00\ubaa8\ub378\uc774 \uc81c\uc2dc\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Ideal R\n      \u2192\n      R + Parasitic L + Parasitic C\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>12. Inductor\uc758 \uc2e4\uc81c \uace0\uc8fc\ud30c \ubaa8\ub378<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc640 \uc77c\ubc18 \uc774\ubbf8\uc9c0\uc5d0\uc11c\n      \uc2e4\uc81c Inductor\ub294 L\ub9cc \uac16\uc9c0 \uc54a\uace0\n      \uae30\uc0dd R\uacfc C\ub97c \ud3ec\ud568\ud55c\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n                L\n      \u2500\u2500\u2500 R \u2500\u2500 coil \u2500\u2500\u2500\n              \u2502   \u2502\n              \u2514\u2500 C \u2518\n    <\/pre>\n\n    <div class=\"formula\">\n      Practical Inductor\n      =\n      L + Parasitic R + Parasitic C\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>13. Capacitor\uc758 \uc2e4\uc81c \uace0\uc8fc\ud30c \ubaa8\ub378<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Capacitor\uc5d0\ub294\n      ESR\uacfc ESL\uc774 \uc874\uc7ac\ud558\ub294 \uac83\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      ESR\n      =\n      Equivalent Series Resistance\n    <\/div>\n\n    <div class=\"formula\">\n      ESL\n      =\n      Equivalent Series Inductance\n    <\/div>\n\n    <pre>\n      \u2500\u2500\u2500 ESR \u2500\u2500\u2500 C \u2500\u2500\u2500 ESL \u2500\u2500\u2500\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>14. Self Resonant Frequency \u00b7 SRF<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc2e4\uc81c Inductor\uc640 Capacitor\uc5d0\ub294\n      \uae30\uc0dd\uc131\ubd84\uc774 \uc874\uc7ac\ud558\uae30 \ub54c\ubb38\uc5d0\n      Self Resonant Frequency\uac00 \ub098\ud0c0\ub09c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      SRF\n      =\n      Self Resonant Frequency\n    <\/div>\n\n    <p>\n      \uc6d0\ubcf8\uc5d0\uc11c\ub294 SRF\ub97c \uae30\uc900\uc73c\ub85c\n      \uc18c\uc790\uc758 \ubcf8\ub798 \uc131\uc9c8\uc774 \ubc14\ub00c\ub294 \ubaa8\uc2b5\uc744 \uc124\uba85\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>15. Inductor\uc758 SRF<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc77c\ubc18 \uc774\ubbf8\uc9c0\uc758 \uc2e4\uc81c Inductor S21 \uadf8\ub798\ud504\ub294\n      SRF\ub97c \uae30\uc900\uc73c\ub85c \ub450 \uc601\uc5ed\uc744 \uad6c\ubd84\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      f &lt; SRF\n      \u2192\n      Inductive Region\n    <\/div>\n\n    <div class=\"formula\">\n      f &gt; SRF\n      \u2192\n      Capacitive Region\n    <\/div>\n\n    <div class=\"memory\">\n      <strong>\n        Inductor\ub3c4 SRF\ub97c \ub118\uc73c\uba74\n        \uae30\uc0dd Capacitance \uc601\ud5a5 \ub54c\ubb38\uc5d0\n        Capacitor\ucc98\ub7fc \ub3d9\uc791\ud560 \uc218 \uc788\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>16. Capacitor\uc758 SRF<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\uc11c\ub294 Capacitor \uc5ed\uc2dc\n      SRF \uc774\ud6c4\uc5d0\ub294 \ubcf8\ub798\uc758 Capacitive \ud2b9\uc131\uc774 \uc544\ub2cc\n      Inductive \ud2b9\uc131\uc774 \ub098\ud0c0\ub098\ub294 \ubc29\ud5a5\uc73c\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Capacitor\n      :\n      SRF \uc774\ud558 \u2192 Capacitive\n    <\/div>\n\n    <div class=\"formula\">\n      SRF \uc774\uc0c1 \u2192 Inductive\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>17. \uc2e4\uc81c L \u00b7 C \uc0ac\uc6a9 \uc2dc \uc8fc\uc758<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ub530\ub77c\uc11c LC \uacf5\uc9c4\ud68c\ub85c\ub97c \uad6c\uc131\ud560 \ub54c\uc5d0\ub294\n      \uc774\uc0c1\uc801\uc778 L\uacfc C\ub9cc \uace0\ub824\ud574\uc11c\ub294 \uc548 \ub418\uba70,\n      \uc2e4\uc81c \ubd80\ud488\uc758 SRF\uc640 \uae30\uc0dd\uc131\ubd84\uc744 \uace0\ub824\ud574\uc57c \ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Operating Frequency\n      <\n      SRF\n    <\/div>\n\n    <p>\n      \uc758 \ubc29\ud5a5\uc73c\ub85c \uc0ac\uc6a9\ud560 \ud544\uc694\uac00 \uc788\ub2e4\ub294 \ud750\ub984\uc774\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>18. Inductive Sensing\uc758 LC Tank<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio 3\ud398\uc774\uc9c0\uc5d0\uc11c\ub294\n      Inductive Sensing\uc5d0 LC Tank\ub97c \uc0ac\uc6a9\ud55c\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n                 Sensor\n                   \u2502\n          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n          \u2502                 \u2502\n          C                 L\n          \u2502                 \u2502\n          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                   \u2502\n                 LC Tank\n                   \u2502\n                Metal\n    <\/pre>\n\n    <p>\n      L\uacfc C\uac00 \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub41c\n      \uacf5\uc9c4 Tank \uad6c\uc870\uac00 \uadf8\ub824\uc838 \uc788\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>19. Metal \uc811\uadfc\uacfc LC Tank<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      LC Tank \uac00\uae4c\uc774\uc5d0 \uae08\uc18d\uc774 \uc704\uce58\ud558\uba74\n      Coil\uacfc \uae08\uc18d \uc0ac\uc774\uc758 \uc0c1\ud638\uc791\uc6a9\uc73c\ub85c\n      Tank\uc758 \uacf5\uc9c4\ud2b9\uc131\uc774 \ubcc0\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Metal \uc704\uce58 \ubcc0\ud654\n      \u2192\n      Eddy Current \ubcc0\ud654\n      \u2192\n      LC Tank Characteristic \ubcc0\ud654\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>20. LC Tank\uc758 \uc8fc\ud30c\uc218 \ud2b9\uc131<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\uc11c\ub294 \ubcd1\ub82c LC Tank\uc758\n      \uc8fc\ud30c\uc218\uc751\ub2f5\uc744 \ubd09\uc6b0\ub9ac \ud615\ud0dc\ub85c \uadf8\ub9b0\ub2e4.\n    <\/p>\n\n    <pre>\n      Z\n      \u2191\n      \u2502             \/\\\n      \u2502            \/  \\\n      \u2502           \/    \\\n      \u2502__________\/      \\________\n      \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 f\n                   f0\n    <\/pre>\n\n    <p>\n      \uacf5\uc9c4\uc8fc\ud30c\uc218 \ubd80\uadfc\uc5d0\uc11c\n      Impedance\uac00 \ud06c\uac8c \ub098\ud0c0\ub098\ub294 \uad6c\uc870\uc774\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>21. Excitation Signal<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\ub294 LC Tank\ub97c \uad6c\ub3d9\ud558\uae30 \uc704\ud55c\n      \uc785\ub825\ud30c\ud615\uc744 \uc0ac\uac01\ud30c \ud615\ud0dc\ub85c \uadf8\ub9b0\ub2e4.\n    <\/p>\n\n    <pre>\n      Vin\n       \u2191\n       \u2502 \u250c\u2500\u2500\u2500\u2510   \u250c\u2500\u2500\u2500\u2510\n       \u2502 \u2502   \u2502   \u2502   \u2502\n       \u2514\u2500\u2518   \u2514\u2500\u2500\u2500\u2518   \u2514\u2500\u2500\u2500\u2500\u2192 time\n    <\/pre>\n\n    <p>\n      \uc774 \uc2e0\ud638\ub97c LC Tank\uc5d0 \uc778\uac00\ud558\uc5ec\n      \uc8fc\ud30c\uc218 \uc120\ud0dd \ud2b9\uc131\uc744 \uc774\uc6a9\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>22. LC Tank\uc758 \ucd9c\ub825\ud30c\ud615<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc785\ub825\uc740 \uc0ac\uac01\ud30c \ud615\ud0dc\uc774\uc9c0\ub9cc\n      LC Tank\uc758 \uc8fc\ud30c\uc218 \uc120\ud0dd\ud2b9\uc131\uc5d0 \uc758\ud574\n      \ucd9c\ub825\uc5d0\ub294 \uacf5\uc9c4\uc8fc\ud30c\uc218 \uc131\ubd84\uc774 \uac15\uc870\ub41c\n      \ud30c\ud615\uc774 \ub098\ud0c0\ub098\ub294 \uac83\uc73c\ub85c \uadf8\ub824\uc838 \uc788\ub2e4.\n    <\/p>\n\n    <pre>\n      Vout\n       \u2191\n       \u2502    \/\\          \/\\\n       \u2502   \/  \\        \/  \\\n       \u2502  \/    \\      \/    \\\n       \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 time\n    <\/pre>\n\n    <p>\n      \uc6d0\ubcf8\uc740 \uc774\ub97c\n      Band-Pass Filter\uc640 \uc5f0\uacb0\ud558\uc5ec \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>23. LC Tank\uc640 Band-Pass<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio 3~4\ud398\uc774\uc9c0\uc5d0\uc11c\ub294\n      LC Tank\uc758 \uacf5\uc9c4\ud2b9\uc131\uc744\n      Band-Pass \ud615\ud0dc\ub85c \uc774\uc6a9\ud558\ub294 \uad6c\uc870\ub97c \uadf8\ub9b0\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      LC Tank Resonance\n      \u2192\n      Selected Frequency Component\n      \u2192\n      Band-Pass \ud615\ud0dc \ucd9c\ub825\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>24. 4\ud398\uc774\uc9c0 \ud68c\ub85c<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ub9c8\uc9c0\ub9c9 \ud398\uc774\uc9c0\uc5d0\uc11c\ub294\n      \uc785\ub825\uc6d0 V<sub>in<\/sub>, \uc800\ud56d R,\n      LC Tank\uc640 \ucd9c\ub825\ub2e8\uc744 \ud558\ub098\uc758 \ud68c\ub85c\ub85c \uc5f0\uacb0\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n      Vin ~ \u2500\u2500 R \u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 Vout\n                   \u2502\n                   \u2502\n                \u250c\u2500\u2500\u2534\u2500\u2500\u2510\n                \u2502 L || C\n                \u2514\u2500\u2500\u252c\u2500\u2500\u2518\n                   \u2502\n                  GND\n    <\/pre>\n\n    <p>\n      \uc6d0\ubcf8\uc5d0\ub294 LC Tank\uc758 \uacf5\uc9c4\ud2b9\uc131\uacfc\n      \ucd9c\ub825\ub2e8\uc758 Band-Pass \ud2b9\uc131\uc744\n      \uc5f0\uacb0\ud558\uc5ec \ud45c\uc2dc\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>25. Inductive Sensing \uc804\uccb4 \ud750\ub984<\/h2>\n\n  <div class=\"card\">\n\n    <pre>\n               Excitation Signal\n                      \u2502\n                      \u25bc\n                  LC Tank\n                 L  ||  C\n                      \u2502\n                      \u25bc\n              Magnetic Field\n                      \u2502\n                      \u25bc\n                Metal Target\n                      \u2502\n                      \u25bc\n                Eddy Current\n                      \u2502\n                      \u25bc\n           Coil \/ Tank \ud2b9\uc131 \ubcc0\ud654\n                      \u2502\n                      \u25bc\n             Resonance \ubcc0\ud654\n                      \u2502\n                      \u25bc\n          Band-Pass Output \ubcc0\ud654\n                      \u2502\n                      \u25bc\n                 Detection\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>26. \uc774\ubbf8\uc9c0 \u00b7 NeoStudio \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>\uc6d0\ubcf8 \ub0b4\uc6a9<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>Inductive Sensing<\/strong><\/td>\n          <td>LC \ud68c\ub85c \uc8fc\ubcc0 \uae08\uc18d\uc5d0 Eddy Current \ubc1c\uc0dd<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uac80\ucd9c<\/strong><\/td>\n          <td>\uae08\uc18d\uc5d0 \uc758\ud55c LC \uacf5\uc9c4\ud2b9\uc131 \ubcc0\ud654 \uc774\uc6a9<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Series LC<\/strong><\/td>\n          <td>\uacf5\uc9c4\uc810\uc5d0\uc11c Z \ucd5c\uc18c<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Parallel LC<\/strong><\/td>\n          <td>\uacf5\uc9c4\uc810\uc5d0\uc11c Z \ucd5c\ub300<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uacf5\uc9c4\uc8fc\ud30c\uc218<\/strong><\/td>\n          <td>f\u2080 = 1\/(2\u03c0\u221aLC)<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uc2e4\uc81c Inductor<\/strong><\/td>\n          <td>L + \uae30\uc0dd R + \uae30\uc0dd C<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uc2e4\uc81c Capacitor<\/strong><\/td>\n          <td>C + ESR + ESL<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>SRF<\/strong><\/td>\n          <td>Self Resonant Frequency<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Inductor SRF \uc774\ud558<\/strong><\/td>\n          <td>Inductive Region<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Inductor SRF \uc774\uc0c1<\/strong><\/td>\n          <td>Capacitive Region<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Sensor \uad6c\uc870<\/strong><\/td>\n          <td>Parallel LC Tank<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uc785\ub825<\/strong><\/td>\n          <td>Square-Wave \ud615\ud0dc Excitation<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ucd9c\ub825<\/strong><\/td>\n          <td>LC \uacf5\uc9c4\uc8fc\ud30c\uc218\uac00 \uac15\uc870\ub41c Band-Pass \ud615\ud0dc<\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <div class=\"warning\">\n    <strong>\n      \uc774 HTML\uc740 WordPress \ud398\uc774\uc9c0 \ubcf8\ubb38\uc758\n      Study Mode \uc124\uba85, YouTube, Naver Blog,\n      RF \uad00\ub828 \uc678\ubd80 \uc0ac\uc774\ud2b8 \ub0b4\uc6a9\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0,\n      \uc77c\ubc18 \uc774\ubbf8\uc9c0 2\uc7a5\uacfc\n      NeoStudio PDF 1\uac1c(\ucd1d 4\ud398\uc774\uc9c0)\ub9cc\n      \uc2dc\uac01 \ud310\ub3c5\ud558\uc5ec \uc791\uc131\ud588\ub2e4.\n\n      \ud398\uc774\uc9c0\uc5d0 \uc5f0\uacb0\ub41c\n      &#8216;infineon-an219207-inductive-sensing-design-guide-applicationnotes-en.pdf&#8217;\ub294\n      NeoStudio\uac00 \uc544\ub2cc \uc678\ubd80 Application Note\uc774\ubbc0\ub85c\n      \ud604\uc7ac \ubcc0\ud658 \uae30\uc900\uc5d0 \ub530\ub77c \uc81c\uc678\ud558\uc600\ub2e4.\n\n      NeoStudio 1\ud398\uc774\uc9c0 \uc0c1\ub2e8\uc758\n      \uc0c1\ub300\ub860\uc801 Doppler \uc2dd\uacfc \u0394f \uad00\ub828 \ud544\uae30\ub294\n      \uc774\uc804 \uc8fc\uc81c\uc758 \uc794\uc5ec \ub0b4\uc6a9\uc73c\ub85c \ud310\ub2e8\ud558\uc5ec \uc81c\uc678\ud558\uace0,\n      &#8216;LC Inductive Sensing&#8217;\ubd80\ud130 \ubc18\uc601\ud558\uc600\ub2e4.\n\n      1\ud398\uc774\uc9c0\ub294\n      LC Inductive Sensing,\n      Metal \uc811\uadfc\uacfc Eddy Current,\n      \uacf5\uc9c4\uc8fc\ud30c\uc218 \uc120\ud0dd \ud2b9\uc131\uc744 \uae30\ub85d\ud55c\ub2e4.\n\n      2\ud398\uc774\uc9c0\ub294\n      \uc9c1\ub82c LC\uc640 \ubcd1\ub82c LC\uc758 \uacf5\uc9c4\uc870\uac74,\n      f\u2080=1\/(2\u03c0\u221aLC),\n      \uc2e4\uc81c Wire\/Resistor\uc758 \uace0\uc8fc\ud30c \uae30\uc0dd\uc131\ubd84\uc744 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