{"id":3207,"date":"2025-08-01T16:56:11","date_gmt":"2025-08-01T08:56:11","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=3207"},"modified":"2026-01-27T16:30:25","modified_gmt":"2026-01-27T08:30:25","slug":"electret-microphone-capsule-self-noise-testing","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ko\/electret-microphone-capsule-self-noise-testing\/","title":{"rendered":"\uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \ucea1\uc290 \uc790\uccb4 \ub178\uc774\uc988 \ud14c\uc2a4\ud2b8"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"925\" height=\"540\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/electret-mic-noise-floor-optimization.png\" alt=\"\ub178\uc774\uc988 \ud50c\ub85c\uc5b4 \ucd5c\uc801\ud654 \uc77c\ub7ec\uc2a4\ud2b8\uac00 \uc788\ub294 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \ucea1\uc290\" class=\"wp-image-3212\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/electret-mic-noise-floor-optimization.png 925w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/electret-mic-noise-floor-optimization-300x175.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/electret-mic-noise-floor-optimization-768x448.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/electret-mic-noise-floor-optimization-18x12.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2025\/08\/electret-mic-noise-floor-optimization-600x350.png 600w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><figcaption class=\"wp-element-caption\">\ub6f0\uc5b4\ub09c \ud328\ud0a4\uc9d5\uacfc \uace0\ud488\uc9c8 JFET \uae30\uc220\uc740 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \ucea1\uc290\uc758 \ub0ae\uc740 \ub178\uc774\uc988 \ud50c\ub85c\uc5b4\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \ucea1\uc290\uc740 \ucef4\ud329\ud2b8\ud55c \ud06c\uae30\uc640 \uc548\uc815\uc801\uc778 \uc131\ub2a5\uc73c\ub85c \ub2e4\uc591\ud55c \uc624\ub514\uc624 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ubaa8\ub4e0 \ub2a5\ub3d9\ud615 \uc804\uc790 \ubd80\ud488\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc774\ub7ec\ud55c \ucea1\uc290\uc740 \uace0\uc720\uc758&nbsp;<strong>\uc790\uccb4 \ub178\uc774\uc988<\/strong>&nbsp;- \uc644\uc804\ud55c \uce68\ubb35 \uc18d\uc5d0\uc11c\ub3c4 \uc874\uc7ac\ud558\ub294 \ub0ae\uc740 \uc218\uc900\uc758 \uc804\uae30 \uc2e0\ud638\uc785\ub2c8\ub2e4. \ub9c8\uc774\ud06c \ud488\uc9c8\uc744 \ud3c9\uac00\ud558\uace0 \uc81c\ud488 \uc124\uacc4\ub97c \ucd5c\uc801\ud654\ud558\uba70 \ucd5c\uc885 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub6f0\uc5b4\ub09c \uc624\ub514\uc624 \uc120\uba85\ub3c4\ub97c \ubcf4\uc7a5\ud558\ub824\uba74 \uc774 \uc790\uccb4 \ub178\uc774\uc988\ub97c \uc774\ud574\ud558\uace0 \uc815\ud655\ud558\uac8c \uce21\uc815\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc790\uccb4 \ub178\uc774\uc988\uc758 \uc18c\uc2a4<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>JFET \ud504\ub9ac\uc570\ud504 \ub178\uc774\uc988:<\/strong><br>\uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \ucea1\uc290\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub0b4\uc7a5\ud615 \ud504\ub9ac\uc570\ud504\ub85c\uc11c JFET(\uc811\ud569 \uc804\uacc4 \ud6a8\uacfc \ud2b8\ub79c\uc9c0\uc2a4\ud130)\uac00 \ud1b5\ud569\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uad6c\uc131 \uc694\uc18c\ub294 \uc804\uccb4 \uc790\uccb4 \ub178\uc774\uc988\uc758 \uc8fc\uc694 \uc6d0\uc778\uc778 \uc5f4 \ub178\uc774\uc988, \uc0f7 \ub178\uc774\uc988, \ud50c\ub9ac\ucee4(1\/f) \ub178\uc774\uc988\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc77c\ub809\ud2b8\ub9bf \uba38\ud2f0\ub9ac\uc5bc \ub178\uc774\uc988:<\/strong><br>\uc77c\ub809\ud2b8\ub9bf \ud544\ub984\uc740 \uc804\ud558 \ub204\ucd9c\uc774\ub098 \ubd88\uc548\uc815\uc131\uc73c\ub85c \uc778\ud574 \uc57d\uac04 \ubcc0\ub3d9\ub420 \uc218 \uc788\ub294 \uc601\uad6c \uc804\ud558\ub97c \ubcf4\uc720\ud558\uace0 \uc788\uc5b4 \uc57d\uac04\uc758 \ub178\uc774\uc988\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c JFET \ub178\uc774\uc988\uc5d0 \ube44\ud574 \ub35c \uc2ec\uac01\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ub178\uc774\uc988 \ucee4\ud50c\ub9c1:<\/strong><br>\uc804\uc6d0 \uacf5\uae09 \ub77c\uc778\uc758 \uc804\uc555 \ubcc0\ub3d9\uc774\ub098 \ub178\uc774\uc988\uac00 \ucea1\uc290 \ucd9c\ub825\uc5d0 \uacb0\ud569\ud558\uc5ec \uc790\uccb4 \ub178\uc774\uc988 \ub808\ubca8\uc744 \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uce21\uc815 \uc911\uc5d0\ub294 \uae68\ub057\ud558\uace0 \uc548\uc815\uc801\uc778 \uc804\uc6d0\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\uc8fc\uc694 \ud14c\uc2a4\ud2b8 \uc870\uac74<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ud488\uc9c8:<\/strong><br>\uac04\uc12d\uc744 \ucd5c\uc18c\ud654\ud558\ub824\uba74 \uc800\uc18c\uc74c\uc758 \uc815\uaca9 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ub610\ub294 \ubc30\ud130\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \ubc30\ud130\ub9ac\ub294 \uc2a4\uc704\uce6d \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ubcf4\ub2e4 \ub354 \uc870\uc6a9\ud55c \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uae30\uacc4\uc801 \uc9c4\ub3d9 \ucc28\ub2e8:<\/strong><br>\ubb34\ubc18\ud5a5 \ucc54\ubc84\ub294 \uacf5\uae30 \uc911\uc758 \uc18c\ub9ac\ub97c \ucc28\ub2e8\ud558\uc9c0\ub9cc \uae30\uacc4\uc801 \uc9c4\ub3d9\uc740 \ub9c8\uc6b4\ud305 \uad6c\uc870\ubb3c\uc744 \ud1b5\uacfc\ud558\uc5ec \uc18c\uc74c\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ubc29\uc9c0\ud558\ub824\uba74 \ucd94\uac00\uc801\uc778 \ub310\ud551 \ub610\ub294 \uc9c4\ub3d9 \ucc28\ub2e8\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc804\uc790\uae30 \ucc28\ud3d0:<\/strong><br>\ucea1\uc290\uacfc \ud14c\uc2a4\ud2b8 \uc124\uc815\uc744 \uc8fc\ubcc0 \uc804\uc790\uae30 \uac04\uc12d(\uc608: WiFi \uc2e0\ud638, \uc804\ub825\uc120 \uc7a1\uc74c)\uc73c\ub85c\ubd80\ud130 \ucc28\ud3d0\ud558\uc5ec \ud5c8\uc704 \uc2e0\ud638\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uce21\uc815 \ub300\uc5ed\ud3ed:<\/strong><br>\uc790\uccb4 \uc7a1\uc74c \uc804\ub825\uc740 \uce21\uc815\ub418\ub294 \ub300\uc5ed\ud3ed\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc77c\uad00\uc131\uc744 \uc704\ud574 \uc77c\ubc18\uc801\uc73c\ub85c \ud45c\uc900 \uc624\ub514\uc624 \ub300\uc5ed\ud3ed(20Hz~20kHz)\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud14c\uc2a4\ud2b8 \uc7a5\ube44 \ub178\uc774\uc988 \ud50c\ub85c\uc5b4:<\/strong><br>\uc2a4\ud399\ud2b8\ub7fc \ubd84\uc11d\uae30\ub098 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc640 \uac19\uc740 \uce21\uc815 \uae30\uae30\ub294 \ub178\uc774\uc988 \ud50c\ub85c\uc5b4\uac00 \ucea1\uc290 \uc790\uccb4 \ub178\uc774\uc988\ubcf4\ub2e4 \ud6e8\uc52c \ub0ae\uc544\uc57c \uc720\ud6a8\ud55c \ud310\ub3c5\uac12\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uac00\uc911\uce58 \ud544\ud130:<\/strong><br>A-\uac00\uc911\uce58\ub294 \uc0ac\ub78c\uc758 \uadc0 \ubbfc\uac10\ub3c4\ub97c \uc2dc\ubbac\ub808\uc774\uc158\ud558\uc9c0\ub9cc, \uc2e4\uc81c \ubb3c\ub9ac\uc801 \uc18c\uc74c \uce35 \ud3c9\uac00\ub97c \uc704\ud574\uc11c\ub294 \uc120\ud615(\uac00\uc911\uce58 \uc5c6\uc74c) \uce21\uc815\uc774 \uc120\ud638\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2e4\ubb34\uc801 \uc2dc\uc0ac\uc810<\/h2>\n\n\n\n<p>\uc790\uccb4 \ub178\uc774\uc988\ub294 \ub9c8\uc774\ud06c\uc758 \ub2e4\uc774\ub098\ubbf9 \ub808\uc778\uc9c0\uc758 \ud558\ud55c\uac12, \uc989 \ub9c8\uc774\ud06c\uac00 \uace0\uc720\ud55c \ub178\uc774\uc988 \ud50c\ub85c\uc5b4\uc5d0\uc11c \uac10\uc9c0\ud560 \uc218 \uc788\ub294 \uac00\uc7a5 \uc791\uc740 \uc18c\ub9ac\ub97c \uc124\uc815\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc790\uccb4 \ub178\uc774\uc988 \ub808\ubca8\uc774 -60dBV\ub77c\ub294 \uac83\uc740 \ub9c8\uc774\ud06c\uac00 \uc65c\uace1\uc774\ub098 \ud074\ub9ac\ud551\uc774 \ubc1c\uc0dd\ud558\uae30 \uc804\uc5d0 \ub178\uc774\uc988 \ud50c\ub85c\uc5b4\ubcf4\ub2e4 60dB \ub192\uc740 \uc2e0\ud638\ub97c \uac10\uc9c0\ud560 \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc790\uccb4 \ub178\uc774\uc988 \ud14c\uc2a4\ud2b8\ub294 \uc800\uc7a1\uc74c JFET, \uc77c\ub809\ud2b8\ub9bf \uc7ac\ub8cc \ud488\uc9c8, \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ud544\ud130\ub9c1\uacfc \uac19\uc740 \uc124\uacc4 \uac1c\uc120\uc758 \ud6a8\uacfc\ub3c4 \uac80\uc99d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ucd5c\uc801\ud654 \uc804\ub7b5<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc804\ub958 \uc18c\ube44\uc640 \ub178\uc774\uc988 \uc218\uce58\uac00 \ub0ae\uc740 JFET \uc0ac\uc6a9<\/li>\n\n\n\n<li>\ub0b4\ubd80 \ud544\ud130\ub9c1 \ubc0f \uc548\uc815\ud654 \uad6c\uc131 \uc694\uc18c \ud1b5\ud569<\/li>\n\n\n\n<li>\ucea1\uc290 \uad6c\uc870 \uac1c\uc120(\uc608: \uad6c\ub9ac \uac8c\uc774\ud2b8 \ub9c1\uc744 \ud3ec\uc778\ud2b8 \uc811\uc810 \ub514\uc790\uc778\uc73c\ub85c \uad50\uccb4)<\/li>\n\n\n\n<li>\ub9ac\ub4dc \uae38\uc774\ub97c \ucd5c\uc18c\ud654\ud558\uc5ec \uc548\ud14c\ub098\uc640 \uac19\uc740 \uac04\uc12d\uc744 \uc904\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud14c\uc2a4\ud2b8 \ud658\uacbd \ubc0f \uc808\ucc28\uc5d0 \ub300\ud55c \ucd94\uac00 \ucc38\uace0 \uc0ac\ud56d<\/h2>\n\n\n\n<p>\uc644\uc804 \ubb34\ud5a5\uc2e4\uc5d0\uc11c\uc758 \ud14c\uc2a4\ud2b8\ub294 \ubc18\uc0ac \uc74c\ud30c\uc640 \uc678\ubd80 \uc18c\uc74c \uac04\uc12d\uc744 \uc644\uc804\ud788 \uc81c\uac70\ud558\ubbc0\ub85c \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4. \uad6c\uc870\ubb3c\uc5d0 \uc758\ud55c \uc18c\uc74c\uc744 \ubc29\uc9c0\ud558\ub824\uba74 \uc9c4\ub3d9 \ub310\ud37c \ub610\ub294 \uc11c\uc2a4\ud39c\uc158 \ub9c8\uc6b4\ud2b8\ub97c \uc0ac\uc6a9\ud55c \uae30\uacc4\uc801 \uaca9\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ub178\uc774\uc988\ub294 \uacb0\uacfc\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc73c\ubbc0\ub85c \uc2a4\uc704\uce6d \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ubcf4\ub2e4 \ubc30\ud130\ub9ac \uc804\uc6d0 \ub610\ub294 \ucd08\uc800\uc18c\uc74c \uc120\ud615 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \ucc28\ud3d0 \ucf00\uc774\ube14\uacfc \ucee4\ub125\ud130\ub294 \uc804\uc790\uae30 \uac04\uc12d\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub178\uc774\uc988 \ud30c\uc6cc\ub294 \uce21\uc815 \ub300\uc5ed\ud3ed\uc5d0 \ube44\ub840\ud569\ub2c8\ub2e4. \uc0b0\uc5c5 \ud45c\uc900 \uce21\uc815\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uac00\uccad \ubc94\uc704\uc778 20Hz ~ 20kHz\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. A \uac00\uc911 \ud544\ud130\ub294 \uc0ac\ub78c\uc758 \uccad\uac01 \uac10\ub3c4\uc5d0 \uadfc\uc811\ud558\uc9c0\ub9cc, \uc6d0\uc2dc \uc120\ud615 \uce21\uc815\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubc0f \uc81c\uc870\uc5d0 \uc911\uc694\ud55c \ubcf4\ub2e4 \uac1d\uad00\uc801\uc778 \ub178\uc774\uc988 \ud50c\ub85c\uc5b4 \uc9c0\ud45c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc774\uac83\uc774 \uc81c\uc870\uc5c5\uccb4\uc640 \ucd5c\uc885 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc911\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n<p>\ud2b9\ud788 \uc804\ubb38 \ub179\uc74c, \uc74c\uc131 \uc778\uc2dd \ubc0f \ud1b5\uc2e0 \uc7a5\uce58\uc5d0\uc11c \uace0\uc74c\uc9c8 \uc624\ub514\uc624 \ucea1\ucc98\ub97c \uc704\ud574\uc11c\ub294 \ub0ae\uace0 \uc77c\uad00\ub41c \uc790\uccb4 \ub178\uc774\uc988\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \ub178\uc774\uc988 \uc131\ub2a5\uc758 \ubcc0\ud654\ub294 \uc81c\uc870\uc0c1\uc758 \ubd88\uc77c\uce58 \ub610\ub294 \uad6c\uc131 \uc694\uc18c\uc758 \uc131\ub2a5 \uc800\ud558\ub97c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc18c\ub2c8\uc758 \uc9c0\uc18d\uc801\uc778 R&amp;D \ub178\ub825\uc740 \ub354 \ub098\uc740 JFET \uc120\ud0dd, \uc815\uc81c\ub41c \uc77c\ub809\ud2b8\ub9bf \uc18c\uc7ac, \ucd5c\uc801\ud654\ub41c \ucea1\uc290 \uc124\uacc4\ub97c \ud1b5\ud574 \ub178\uc774\uc988\ub97c \uc904\uc774\ub294 \ub370 \uc911\uc810\uc744 \ub450\uace0 \uc788\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 ECMIC \ucea1\uc290\uc774 \ud0c1\uc6d4\ud55c \uc0ac\uc6b4\ub4dc \uc120\uba85\ub3c4\uc640 \uc548\uc815\uc131\uc744 \uc81c\uacf5\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uace0\ud488\uc9c8 \uc624\ub514\uc624 \uc81c\ud488\uc744 \uc81c\uacf5\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \ucea1\uc290 \uc790\uccb4 \ub178\uc774\uc988\uc5d0 \ub300\ud55c \uc815\ud655\ud55c \ud14c\uc2a4\ud2b8\uc640 \uc774\ud574\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc81c\uc870\uc5c5\uccb4\ub294 \ub178\uc774\uc988 \uc18c\uc2a4\ub97c \uc81c\uc5b4\ud558\uace0 \ud14c\uc2a4\ud2b8 \uc870\uac74\uc744 \ucd5c\uc801\ud654\ud558\uba70 \ud6a8\uacfc\uc801\uc778 \uc124\uacc4 \uac1c\uc120 \uc0ac\ud56d\uc744 \uc801\uc6a9\ud568\uc73c\ub85c\uc368 \ub9c8\uc774\ud06c \uc131\ub2a5\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>ECMIC\uc5d0\uc11c\ub294 \uae00\ub85c\ubc8c \uc624\ub514\uc624 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uae4c\ub2e4\ub85c\uc6b4 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 \uc800\uc18c\uc74c, \uc2e0\ub8b0\uc131 \uc788\ub294 \ub9c8\uc774\ud06c \ucea1\uc290\uc744 \uc81c\uacf5\ud558\uae30 \uc704\ud574 \uace0\uae09 \ud14c\uc2a4\ud2b8 \ubc29\ubc95\uacfc \uc18c\uc7ac\uc5d0 \uc9c0\uc18d\uc801\uc73c\ub85c \ud22c\uc790\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub9c8\uc774\ud06c \ucea1\uc290\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uac70\ub098 \uae30\uc220 \uc9c0\uc6d0\uc744 \uc694\uccad\ud558\ub824\uba74 \uc5b8\uc81c\ub4e0\uc9c0 \ub2e4\uc74c \uc5f0\ub77d\ucc98\ub85c \ubb38\uc758\ud558\uc138\uc694.&nbsp;<a href=\"https:\/\/ecmicrophones.com\/ko\/contact-us\/\" data-type=\"page\" data-id=\"30\">\ubb38\uc758\ud558\uae30<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Electret microphone capsules are widely used in various audio applications due to their compact size and reliable performance. However, like all active electronic components, these capsules generate inherent&nbsp;self-noise&nbsp;\u2014 a low-level electrical signal present even in complete silence. Understanding and accurately measuring this self-noise is critical for assessing microphone quality, optimizing product design, and ensuring excellent [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3212,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[551],"class_list":["post-3207","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-low-noise-jfet"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/3207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/comments?post=3207"}],"version-history":[{"count":0,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/3207\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/media\/3212"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/media?parent=3207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/categories?post=3207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/tags?post=3207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}