{"id":8009,"date":"2025-05-10T16:44:50","date_gmt":"2025-05-10T07:44:50","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=8009"},"modified":"2026-10-04T11:17:51","modified_gmt":"2026-10-04T02:17:51","slug":"signal-conditioner-%ec%8b%a0%ed%98%b8-%ec%b2%98%eb%a6%ac%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/signal-conditioner-%ec%8b%a0%ed%98%b8-%ec%b2%98%eb%a6%ac%ea%b8%b0\/","title":{"rendered":"signal conditioner, \uc2e0\ud638 \ucc98\ub9ac\uae30"},"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\/2025\/05\/NeoStudio_20250510_164303_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4-\uae30\uc220\uc0ac15.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"NeoStudio_20250510_164303_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4 \uae30\uc220\uc0ac15\uc758 \uc0bd\uc785.\"><\/object><a id=\"wp-block-file--media-9e8713ec-0336-465b-bc98-1bfb2a68e840\" href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/NeoStudio_20250510_164303_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4-\uae30\uc220\uc0ac15.pdf\">NeoStudio_20250510_164303_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4 \uae30\uc220\uc0ac15<\/a><a href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2025\/05\/NeoStudio_20250510_164303_\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4-\uae30\uc220\uc0ac15.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-9e8713ec-0336-465b-bc98-1bfb2a68e840\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n\n\n&#8220;`html\n<div class=\"chapter19-wide\">\n\n  <h1>Signal Conditioner \u00b7 \uc2e0\ud638 \ucc98\ub9ac\uae30<\/h1>\n\n  <div class=\"subtitle\">\n    Sensor Output \u00b7 OP Amp \u00b7 Voltage Amplifier \u00b7 Voltage Follower \u00b7 Charge-to-Voltage \u00b7 Current-to-Voltage \u00b7 Capacitance-to-Voltage\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>1. Signal Conditioner<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\uc11c\ub294 Sensor\uac00 \uce21\uc815\ud55c \ubb3c\ub9ac\ub7c9\uc744\n      \uc804\uae30\uc801\uc778 \uc2e0\ud638\ub85c \ubcc0\ud658\ud55c \ud6c4,\n      \uc774\ub97c \uc0ac\uc6a9\ud558\uae30 \uc801\ud569\ud55c \ud615\ud0dc\ub85c \ubcc0\ud658\ud558\ub294 \ud68c\ub85c\ub97c\n      Signal Conditioner\ub85c \uc815\ub9ac\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Physical Quantity\n      \u2192\n      Sensor\n      \u2192\n      Electrical Signal\n      \u2192\n      Signal Conditioner\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>2. Sensor\uc758 \ucd9c\ub825 \ud615\ud0dc<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc13c\uc11c \ucd9c\ub825\uc758 \ud615\ud0dc\ub85c\n      \ub2e4\uc74c \ud56d\ubaa9\uc774 \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <ul>\n      <li>\uc804\uc555 \ucd9c\ub825<\/li>\n      <li>\uc804\ub958 \ucd9c\ub825<\/li>\n      <li>\uc800\ud56d<\/li>\n      <li>Capacitance<\/li>\n      <li>Inductance<\/li>\n    <\/ul>\n\n    <div class=\"memory\">\n      <strong>\n        Sensor\ub9c8\ub2e4 \ucd9c\ub825\ud615\ud0dc\uac00 \ub2e4\ub974\ubbc0\ub85c\n        \ucd9c\ub825\ud615\ud0dc\uc5d0 \ub9de\ub294 Signal Conditioner\uac00 \ud544\uc694\ud558\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>3. \uc804\uc555 \ucd9c\ub825\uacfc \ucd9c\ub825\uc800\ud56d<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\uc11c\ub294 \uc804\uc555\ucd9c\ub825 Sensor\uc758 \uacbd\uc6b0\n      \uc774\uc0c1\uc801\uc778 \ucd9c\ub825\uc800\ud56d\uc744 \ub0ae\uac8c \ub9cc\ub4dc\ub294 \ubc29\ud5a5\uc73c\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Voltage Output\n      \u2192\n      Output Resistance \u2193\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>4. \uc804\ub958 \ucd9c\ub825\uacfc \ucd9c\ub825\uc800\ud56d<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc804\ub958\ucd9c\ub825 Sensor\uc5d0\uc11c\ub294\n      \uc774\uc0c1\uc801\uc778 \ucd9c\ub825\uc800\ud56d\uc774 \ud070 \ubc29\ud5a5\uc73c\ub85c \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Current Output\n      \u2192\n      Output Resistance \u2191\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>5. Sensor Signal\uc758 Noise \u00b7 Error \uc6d0\uc778<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc791\uc740 Sensor Signal\uc744 \ucc98\ub9ac\ud560 \ub54c \uc601\ud5a5\uc744 \uc8fc\ub294 \ud56d\ubaa9\uc73c\ub85c\n      \ub2e4\uc74c \ub0b4\uc6a9\uc744 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <ul>\n      <li>Offset Voltage<\/li>\n      <li>Bias Current<\/li>\n      <li>Leakage Current<\/li>\n    <\/ul>\n\n    <div class=\"formula\">\n      Small Sensor Signal\n      +\n      Offset \/ Bias \/ Leakage\n      \u2192\n      Measurement Error\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>6. \uc791\uc740 Sensor \ucd9c\ub825\uc758 \uc99d\ud3ed<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Sensor \ucd9c\ub825\uc774 \uc791\uc740 \uacbd\uc6b0\n      \uc804\uc555\uc744 \uc0ac\uc6a9\ud558\uae30 \uc88b\uc740 \ud06c\uae30\ub85c \uc99d\ud3ed\ud558\uae30 \uc704\ud574\n      OP Amp\ub97c \uc0ac\uc6a9\ud55c\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Small Sensor Output\n      \u2192\n      OP Amp\n      \u2192\n      Amplified Signal\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>7. OP Amp\uc5d0 \uc694\uad6c\ub418\ub294 \ud2b9\uc131<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Sensor Signal Conditioner\uc6a9 OP Amp\uc5d0 \ub300\ud574\n      \ub2e4\uc74c \ud2b9\uc131\uc774 \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <ul>\n      <li>\ud070 Open-Loop Gain<\/li>\n      <li>\ud070 Input Resistance<\/li>\n      <li>\uc791\uc740 Output Resistance<\/li>\n      <li>\ub192\uc740 CMRR<\/li>\n      <li>\uc791\uc740 Offset Voltage<\/li>\n      <li>\uc791\uc740 Bias Current<\/li>\n    <\/ul>\n\n    <div class=\"formula\">\n      A \u2192 Large\n    <\/div>\n\n    <div class=\"formula\">\n      R<sub>in<\/sub> \u2192 Large\n    <\/div>\n\n    <div class=\"formula\">\n      R<sub>out<\/sub> \u2192 Small\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>8. OP Amp Signal Conditioner \uc885\ub958<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\uc11c\ub294 OP Amp\ub97c \uc0ac\uc6a9\ud55c\n      Signal Conditioner\uc758 \uc608\ub85c \ub2e4\uc74c \ud68c\ub85c\ub97c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <ol>\n      <li>\ube44\ubc18\uc804 \uc99d\ud3ed\uae30<\/li>\n      <li>Voltage Follower<\/li>\n      <li>\uc804\ud558-\uc804\uc555 \ubcc0\ud658\uae30<\/li>\n      <li>\uc804\ub958-\uc804\uc555 \ubcc0\ud658\uae30<\/li>\n      <li>Capacitance-\uc804\uc555 \ubcc0\ud658\uae30<\/li>\n    <\/ol>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>9. \ube44\ubc18\uc804 \uc99d\ud3ed\uae30<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uccab \ubc88\uc9f8 OP Amp \uc608\ub294\n      \ube44\ubc18\uc804 \uc785\ub825\uc73c\ub85c Sensor \uc804\uc555\uc744 \ubc1b\uc544\n      \ucd9c\ub825\uc804\uc555\uc744 \ub9cc\ub4dc\ub294 \ud68c\ub85c\uc774\ub2e4.\n    <\/p>\n\n    <pre>\n                    R2\n              \u250c\u2500\u2500\/\\\/\\\/\u2500\u2500\u2510\n              \u2502         \u2502\n              \u25bc         \u2502\n             (-)        \u2502\n      Vin \u2500\u2500\u25b6 (+) OP AMP \u2500\u2500\u2500\u2500\u2500\u25b6 Vo\n              \u25b2\n              \u2502\n             R1\n              \u2502\n             GND\n    <\/pre>\n\n    <p>\n      \uc190\ud544\uae30\uc5d0\ub294 OP Amp \uc99d\ud3ed\ud68c\ub85c\uc758\n      \uc800\ud56d\ube44\ub97c \uc774\uc6a9\ud55c \ucd9c\ub825\uad00\uacc4\uac00 \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>10. Voltage Follower<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ub450 \ubc88\uc9f8 \ud68c\ub85c\ub294\n      Output\uc744 \ubc18\uc804\uc785\ub825\uc73c\ub85c \uc9c1\uc811 Feedback\ud558\ub294\n      Voltage Follower\uc774\ub2e4.\n    <\/p>\n\n    <pre>\n                \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n                \u2502              \u2502\n                \u25bc              \u2502\n              (-)              \u2502\n      Vin \u2500\u2500\u25b6 (+) OP AMP \u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u25b6 Vout\n    <\/pre>\n\n    <div class=\"formula\">\n      Vout = Vin\n    <\/div>\n\n    <div class=\"memory\">\n      <strong>\n        Voltage Follower\ub294\n        \uc785\ub825\uc804\uc555\uc744 \uadf8\ub300\ub85c \ucd9c\ub825\ud558\ub294 \uad6c\uc870\ub85c \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>11. Charge-to-Voltage Converter<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc804\ud558\ub97c \ucd9c\ub825\ud558\ub294 Sensor\uc5d0\ub294\n      Feedback Capacitor C\ub97c \uac16\ub294 OP Amp\ub97c \uc0ac\uc6a9\ud558\uc5ec\n      \uc804\ud558\ub97c \uc804\uc555\uc73c\ub85c \ubcc0\ud658\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n                    C\n              \u250c\u2500\u2500\u2500\u2500||\u2500\u2500\u2500\u2500\u2510\n              \u2502          \u2502\n      \u0394Q \u2500\u2500\u2500\u2500\u2500\u2524 (-)      \u2502\n              \u2502  OP AMP  \u251c\u2500\u2500\u2500\u2500\u25b6 Vout\n      GND \u2500\u2500\u2500\u25b6\u2524 (+)      \u2502\n              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n    <\/pre>\n\n    <div class=\"formula\">\n      Vout\n      =\n      &#8211; \u0394Q \/ C\n    <\/div>\n\n    <div class=\"memory\">\n      <strong>\n        Sensor\uac00 \ub9cc\ub4e0 \uc804\ud558 \u0394Q\ub97c\n        Feedback Capacitance C\ub97c \uc774\uc6a9\ud558\uc5ec\n        \uc804\uc555\uc73c\ub85c \ubcc0\ud658\ud55c\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>12. Current-to-Voltage Converter<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc804\ub958\ub97c \ucd9c\ub825\ud558\ub294 Sensor\uc758 \uacbd\uc6b0\n      OP Amp\uc758 Feedback \uc800\ud56d\uc744 \uc774\uc6a9\ud558\uc5ec\n      \uc804\ub958\ub97c \uc804\uc555\uc73c\ub85c \ubcc0\ud658\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n                    R\n              \u250c\u2500\u2500\/\\\/\\\/\u2500\u2500\u2500\u2510\n              \u2502          \u2502\n      i \u2500\u2500\u2500\u2500\u2500\u2500\u2524 (-)      \u2502\n              \u2502  OP AMP  \u251c\u2500\u2500\u2500\u2500\u25b6 Vout\n      GND \u2500\u2500\u2500\u25b6\u2524 (+)      \u2502\n              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n    <\/pre>\n\n    <div class=\"formula\">\n      Sensor Current\n      \u2192\n      OP Amp + R\n      \u2192\n      Output Voltage\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>13. Photodiode Signal Conditioning<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\uc11c\ub294 \uc804\ub958\ucd9c\ub825 Sensor\uc758 \uc608\ub85c\n      Photodiode\ub97c \uadf8\ub824 \ub193\uc558\ub2e4.\n    <\/p>\n\n    <p>\n      Photodiode\uac00 \ub9cc\ub4e0 \uc804\ub958\ub97c\n      OP Amp\uc5d0 \uc5f0\uacb0\ud558\uc5ec\n      \ucd9c\ub825\uc804\uc555\uc73c\ub85c \ubcc0\ud658\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Light\n      \u2192\n      Photodiode Current\n      \u2192\n      Current-to-Voltage Converter\n      \u2192\n      Vout\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>14. Photodiode \ub3d9\uc791\uc601\uc5ed<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc190\ud544\uae30\uc5d0\ub294 Photodiode\uc758 I-V \ud2b9\uc131\uace1\uc120\uacfc \ud568\uaed8\n      \uad11\ub7c9\uc5d0 \ub530\ub77c \uace1\uc120\uc774 \uc774\ub3d9\ud558\ub294 \ubaa8\uc2b5\uc774 \uadf8\ub824\uc838 \uc788\ub2e4.\n    <\/p>\n\n    <p>\n      \uc138\ubd80 \ub3d9\uc791\uc601\uc5ed \uba85\uce6d\uc740 \uc77c\ubd80 \uc190\ud544\uae30\uac00 \ubd88\uba85\ud655\ud558\ubbc0\ub85c\n      \uadf8\ub798\ud504 \uad00\uacc4\ub9cc \ubc18\uc601\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Light Intensity \ubcc0\ud654\n      \u2192\n      Photodiode I-V Characteristic \ubcc0\ud654\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>15. Capacitance Sensor<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Capacitive Sensor\ub294\n      \uce21\uc815\ub7c9\uc5d0 \ub530\ub77c Capacitance\uac00 \ubcc0\ud558\ub294 Sensor\uc774\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Measured Quantity\n      \u2192\n      Capacitance Change\n    <\/div>\n\n    <p>\n      \uadf8\ub7ec\ub098 Capacitance \uc790\uccb4\ub294\n      \uc9c1\uc811\uc801\uc778 \uc804\uc555 \ub610\ub294 \uc804\ub958 \ucd9c\ub825\uc774 \uc544\ub2c8\ubbc0\ub85c\n      Signal Conditioner\uac00 \ud544\uc694\ud558\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>16. Capacitance-to-Voltage Converter<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio 3\ud398\uc774\uc9c0\uc5d0\ub294\n      \uce21\uc815 Capacitance C<sub>x<\/sub>\uc640\n      \uae30\uc900 Capacitance C<sub>r<\/sub>\ub97c \uc774\uc6a9\ud558\uc5ec\n      \uc804\uc555\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \ud68c\ub85c\uac00 \uadf8\ub824\uc838 \uc788\ub2e4.\n    <\/p>\n\n    <pre>\n                    Cf\n              \u250c\u2500\u2500\u2500\u2500||\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n              \u2502            \u2502\n      Vin \u2500\u2500 Cx \u2500\u2500\u2500\u2510      (-)\n                   \u251c\u2500\u2500\u2500\u2500\u2500\u2500 OP AMP \u2500\u2500\u2500\u25b6 Vout\n            Cr \u2500\u2500\u2500\u2500\u2518       (+)\n                            \u2502\n                           GND\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>17. \ucc28\ub3d9 Capacitance \uad00\uacc4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc190\ud544\uae30\uc5d0\uc11c\ub294\n      C<sub>x<\/sub>\uc640 C<sub>r<\/sub>\uc758 \ucc28\uc774\ub97c \uc774\uc6a9\ud558\ub294\n      \ucd9c\ub825\uad00\uacc4\ub97c \ub2e4\uc74c \ud615\ud0dc\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Vout\n      =\n      {(C<sub>x<\/sub> &#8211; C<sub>r<\/sub>) \/ C<sub>f<\/sub>}\n      \u00b7 A \u00b7 Vin\n    <\/div>\n\n    <div class=\"warning\">\n      <strong>\n        \uc2dd \uc911 A\uc758 \uc815\ud655\ud55c \uc815\uc758\ub294\n        \ud574\ub2f9 \ud398\uc774\uc9c0\uc5d0\uc11c \uba85\ud655\ud558\uac8c \uc124\uba85\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc544\n        \uc6d0\ubcf8 \ud45c\uae30 \uadf8\ub300\ub85c \ubcf4\uc874\ud558\uc600\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>18. Charge\uc640 Capacitance<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      Capacitive Signal Conditioning\uc758 \uae30\ubcf8\uad00\uacc4\ub85c\n      \ub2e4\uc74c \uc2dd\uc744 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Q = C V\n    <\/div>\n\n    <p>\n      \ub530\ub77c\uc11c Capacitance\uc758 \ubcc0\ud654\ub97c\n      Charge \ub610\ub294 Voltage\uc758 \ubcc0\ud654\ub85c \ubcc0\ud658\ud558\uc5ec\n      \uce21\uc815\ud560 \uc218 \uc788\ub294 \uad6c\uc870\uc774\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>19. Oscillator \u00b7 Reset \u00b7 Switch<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      NeoStudio\uc5d0\ub294 Capacitor\ub97c \uc0ac\uc6a9\ud558\uae30 \uc704\ud55c\n      \ubd80\uac00\ud68c\ub85c\ub85c \ub2e4\uc74c \ud56d\ubaa9\uc744 \ucd94\uac00\ud55c\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <ul>\n      <li>Oscillator<\/li>\n      <li>Reset<\/li>\n      <li>Switch<\/li>\n    <\/ul>\n\n    <div class=\"formula\">\n      Capacitive Sensor\n      +\n      Oscillator \/ Reset \/ Switch\n      \u2192\n      Signal Conversion\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>20. Reference Capacitance<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      C<sub>x<\/sub>\ub294 \uce21\uc815\uc5d0 \ub530\ub77c \ubcc0\ud558\ub294 Capacitance\uc774\uace0,\n      C<sub>r<\/sub>\ub294 \uae30\uc900\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 Capacitance\ub85c\n      \ud68c\ub85c\uc5d0 \ud45c\uc2dc\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      C<sub>x<\/sub>\n      =\n      Measuring Capacitance\n    <\/div>\n\n    <div class=\"formula\">\n      C<sub>r<\/sub>\n      =\n      Reference Capacitance\n    <\/div>\n\n    <p>\n      \ub450 \uac12\uc758 \ucc28\uc774\ub97c \uc774\uc6a9\ud558\uc5ec\n      \ucd9c\ub825\uc804\uc555\uc744 \ub9cc\ub4dc\ub294 \uad6c\uc870\uc774\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>21. \ucc28\ub3d9 \uad6c\uc870<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ub9c8\uc9c0\ub9c9\uc5d0\ub294\n      \ub450 Capacitance\ub97c \uc774\uc6a9\ud55c\n      \ucc28\ub3d9\ud615 Capacitance-to-Voltage Converter\ub97c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      C<sub>x<\/sub> &#8211; C<sub>r<\/sub>\n      \u2192\n      Differential Measurement\n    <\/div>\n\n    <p>\n      Force Transducer\uc640 \uac19\uc740 Sensor\uc5d0\uc11c\n      C<sub>x<\/sub>, C<sub>r<\/sub>\uac00 \ubcc0\ud558\ub294 \uad6c\uc870\ub97c\n      \uc774\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uba54\ubaa8\uac00 \uc788\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>22. Signal Conditioner \uc804\uccb4 \uad00\uacc4<\/h2>\n\n  <div class=\"card\">\n\n    <pre>\n                       Sensor\n                         \u2502\n         \u250c\u2500\u2500\u2500\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\u2500\u2500\u2500\u2500\u2510\n         \u25bc               \u25bc                 \u25bc\n      Voltage          Current           Charge\n         \u2502               \u2502                 \u2502\n         \u25bc               \u25bc                 \u25bc\n     Amplifier       I-to-V Converter   Q-to-V\n     \/ Follower        OP Amp + R       OP Amp + C\n                         \u2502                 \u2502\n                         \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                                \u25bc\n                              Vout\n\n\n                       Capacitive Sensor\n                              \u2502\n                              \u25bc\n                         Cx \ubcc0\ud654\n                              \u2502\n                   Reference Cr\uc640 \ube44\uad50\n                              \u2502\n                              \u25bc\n                      Cx - Cr\n                              \u2502\n                              \u25bc\n                  Capacitance-to-Voltage\n                              \u2502\n                              \u25bc\n                            Vout\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>23. NeoStudio PDF \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>NeoStudio \ub0b4\uc6a9<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>Signal Conditioner<\/strong><\/td>\n          <td>Sensor\uc758 \uc804\uae30\uc801 \ucd9c\ub825\uc744 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc2e0\ud638\ub85c \ubcc0\ud658<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Sensor \ucd9c\ub825<\/strong><\/td>\n          <td>Voltage, Current, Resistance, Capacitance, Inductance<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Error Source<\/strong><\/td>\n          <td>Offset Voltage, Bias Current, Leakage Current<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>OP Amp \uc870\uac74<\/strong><\/td>\n          <td>High Gain, High Rin, Low Rout, High CMRR, Low Offset\/Bias<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Voltage Follower<\/strong><\/td>\n          <td>Vout = Vin<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Charge-to-Voltage<\/strong><\/td>\n          <td>Vout = -\u0394Q\/C<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Current-to-Voltage<\/strong><\/td>\n          <td>Sensor Current \u2192 OP Amp \u2192 Voltage<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Photodiode<\/strong><\/td>\n          <td>\uad11\uc804\ub958\ub97c \uc804\uc555\uc73c\ub85c \ubcc0\ud658<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Capacitive Sensor<\/strong><\/td>\n          <td>\uce21\uc815\ub7c9 \u2192 Capacitance \ubcc0\ud654<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uae30\ubcf8 \uad00\uacc4<\/strong><\/td>\n          <td>Q = CV<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ucc28\ub3d9 Capacitance<\/strong><\/td>\n          <td>Cx\uc640 Cr\uc758 \ucc28\uc774\ub97c \ucd9c\ub825\uc804\uc555\uc73c\ub85c \ubcc0\ud658<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ubd80\uac00 \ud68c\ub85c<\/strong><\/td>\n          <td>Oscillator, Reset, Switch<\/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\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0,\n      NeoStudio PDF 1\uac1c(\ucd1d 3\ud398\uc774\uc9c0)\ub9cc\n      \ud398\uc774\uc9c0\ubcc4 \uc2dc\uac01 \ud310\ub3c5\ud558\uc5ec \uc791\uc131\ud588\ub2e4.\n\n      \uc774 \ud398\uc774\uc9c0\uc5d0\ub294 \ubcc4\ub3c4\uc758 \uc77c\ubc18 \uc774\ubbf8\uc9c0\uac00 \uc5c6\ub2e4.\n\n      1\ud398\uc774\uc9c0\ub294\n      Signal Conditioner\uc758 \ubaa9\uc801,\n      Sensor \ucd9c\ub825\uc885\ub958,\n      Offset Voltage \/ Bias Current \/ Leakage Current,\n      OP Amp\uc758 \uc694\uad6c\ud2b9\uc131\uacfc\n      \ube44\ubc18\uc804 \uc99d\ud3ed\uae30\u00b7Voltage Follower\ub97c \uc815\ub9ac\ud55c\ub2e4.\n\n      2\ud398\uc774\uc9c0\ub294\n      Charge-to-Voltage Converter,\n      Current-to-Voltage Converter,\n      Photodiode \uc2e0\ud638\ucc98\ub9ac,\n      Capacitive Sensor\ub97c \ub2e4\ub8ec\ub2e4.\n\n      3\ud398\uc774\uc9c0\ub294\n      Cx\uc640 Cr\uc744 \uc0ac\uc6a9\ud558\ub294\n      Capacitance-to-Voltage Converter\uc640\n      \ucc28\ub3d9 Capacitance \uad6c\uc870\ub97c \uae30\ub85d\ud55c\ub2e4.\n\n      \uc77c\ubc18\uc801\uc778 Signal Conditioner \uae30\ub2a5\uc778\n      Filtering, Isolation, Linearization,\n      A\/D Conversion \ub4f1\uc740\n      \uc774\ubc88 NeoStudio\uc5d0 \uc9c1\uc811 \uc124\uba85\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc73c\ubbc0\ub85c\n      \uc784\uc758\ub85c \ucd94\uac00\ud558\uc9c0 \uc54a\uc558\ub2e4.\n\n      \uc77c\ubd80 \ud68c\ub85c\uc758 \uae30\ud638\uc640\n      \ub9c8\uc9c0\ub9c9 \ucc28\ub3d9 Capacitance \uc124\uba85\uc740\n      \uc190\ud544\uae30\uac00 \ubd88\uba85\ud655\ud55c \ubd80\ubd84\uc774 \uc788\uc5b4\n      \uc77d\ud788\ub294 \ubc94\uc704\ub9cc \ubc18\uc601\ud558\uc600\ub2e4.\n    <\/strong>\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <div class=\"keywords\">\n    Signal Conditioner,\n    Sensor Signal,\n    OP Amp,\n    Voltage Amplifier,\n    Voltage Follower,\n    Charge-to-Voltage Converter,\n    Current-to-Voltage Converter,\n    Photodiode,\n    Capacitive Sensor,\n    Capacitance-to-Voltage Converter,\n    Offset Voltage,\n    Bias Current,\n    Leakage Current,\n    CMRR,\n    Differential Capacitance\n  <\/div>\n\n<\/div>\n&#8220;`\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`html Signal Conditioner \u00b7 \uc2e0\ud638 \ucc98\ub9ac\uae30 Sensor Output \u00b7 OP Amp \u00b7 Voltage Amplifier \u00b7 Voltage Follower \u00b7 Charge-to-Voltage \u00b7 Current-to-Voltage \u00b7 Capacitance-to-Voltage 1. Signal Conditioner NeoStudio\uc5d0\uc11c\ub294 Sensor\uac00 \uce21\uc815\ud55c \ubb3c\ub9ac\ub7c9\uc744 \uc804\uae30\uc801\uc778 \uc2e0\ud638\ub85c \ubcc0\ud658\ud55c \ud6c4, \uc774\ub97c \uc0ac\uc6a9\ud558\uae30 \uc801\ud569\ud55c \ud615\ud0dc\ub85c \ubcc0\ud658\ud558\ub294 \ud68c\ub85c\ub97c Signal Conditioner\ub85c \uc815\ub9ac\ud55c\ub2e4. Physical Quantity \u2192 Sensor \u2192 Electrical Signal \u2192 Signal Conditioner 2. Sensor\uc758 [&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":[1766,1764,1703,1762,1765,1763],"class_list":["post-8009","post","type-post","status-publish","format-standard","hentry","category-1185","tag-capacitance-to-voltage","tag-charge-to-voltage","tag-cvc","tag-signal-conditioner","tag-1765","tag-1763"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8009","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=8009"}],"version-history":[{"count":2,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8009\/revisions"}],"predecessor-version":[{"id":9692,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8009\/revisions\/9692"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=8009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=8009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=8009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}