{"id":4046,"date":"2026-03-20T15:02:19","date_gmt":"2026-03-20T07:02:19","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=4046"},"modified":"2026-03-28T09:17:45","modified_gmt":"2026-03-28T01:17:45","slug":"electret-microphone-impedance-and-voltage-2-terminal-vs-3-terminal","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ko\/electret-microphone-impedance-and-voltage-2-terminal-vs-3-terminal\/","title":{"rendered":"\uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \uc784\ud53c\ub358\uc2a4 \ubc0f \uc804\uc555: 2-\ub2e8\uc790 \ub300 3-\ub2e8\uc790"},"content":{"rendered":"
\n
\"2\ub2e8\uc790
\uadf8\ub9bc 0: 2\ub2e8\uc790(\uc67c\ucabd) \ubc0f 3\ub2e8\uc790(\uc624\ub978\ucabd) \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c(\uc2e4\uc81c \ub2e8\uc704).<\/figcaption><\/figure>\n<\/div>\n\n\n

\uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c\ub294 \ud06c\uac8c \ub2e4\uc74c\uacfc \uac19\uc774 \ubd84\ub958\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud130\ubbf8\ub110 \uc720\ud615<\/strong>, \uc77c\ubc18\uc801\uc73c\ub85c 2\ub2e8\uc790 \ubc0f 3\ub2e8\uc790 \ub514\uc790\uc778\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4. \uac00\uc7a5 \ub208\uc5d0 \ub744\ub294 \ucc28\uc774\uc810\uc740 \ub0a9\ub55c \ud328\ub4dc \uc218\uc774\uc9c0\ub9cc, \ub354 \uc911\uc694\ud55c \ucc28\uc774\uc810\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uc784\ud53c\ub358\uc2a4 \ubc0f \uc791\ub3d9 \uc804\uc555<\/strong>.<\/p>\n\n\n\n

\uc77c\ubc18\uc801\uc778 \uc784\ud53c\ub358\uc2a4 \ubc0f \uc804\uc555<\/h2>\n\n\n\n
\ud130\ubbf8\ub110 \uc720\ud615<\/th>\uacf5\ud1b5 \uc784\ud53c\ub358\uc2a4<\/th>\ub35c \uc77c\ubc18\uc801\uc778 \uc784\ud53c\ub358\uc2a4<\/th>\uc77c\ubc18 \uc804\uc555<\/th><\/tr><\/thead>
2-\ub2e8\ub9d0\uae30<\/td>2K\u03a9<\/td>\u2014<\/td>1.5V, 2V<\/td><\/tr>
3-\ub2e8\ub9d0\uae30<\/td>1K\u03a9, 680\u03a9<\/td>550\u03a9, 2.2K\u03a9<\/td>1.5V, 2V, 3V, \ucd5c\ub300 5V<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

2-\ub2e8\uc790 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c<\/h2>\n\n\n\n

\ub300\ubd80\ubd84\uc758 2\ub2e8\uc790 \ub9c8\uc774\ud06c\uc5d0\ub294 \uace0\uc815\ub41c 2K\u03a9\uc758 \uc784\ud53c\ub358\uc2a4<\/strong> \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4. 2V<\/strong>, 1.5V\uc758 \uc77c\ubd80 \uc800\uc804\uc555 \ubaa8\ub378\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub9c8\uc774\ud06c\ub294 \uc804\uc6d0\uacfc \uc2e0\ud638\ub97c \ub450 \uac1c\ub9cc \uc5f0\uacb0\ud558\uba74 \ub418\uae30 \ub54c\ubb38\uc5d0 \uc0ac\uc6a9\uc774 \uac04\ud3b8\ud569\ub2c8\ub2e4. \uace0\uc815 \uc784\ud53c\ub358\uc2a4\ub294 \ud68c\ub85c \ub9e4\uce6d\uc758 \uc720\uc5f0\uc131\uc744 \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

2\ub2e8\uc790 \ub9c8\uc774\ud06c\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc138\uc694. 2-\ub2e8\uc790 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c<\/a> \uc81c\ud488 \ud398\uc774\uc9c0\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

3-\ub2e8\uc790 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c<\/h2>\n\n\n\n

3\ub2e8\uc790 \ub9c8\uc774\ud06c\uc5d0\ub294 \uc811\uc9c0, \uc2e0\ud638 \ucd9c\ub825 \ubc0f \ubc14\uc774\uc5b4\uc2a4 \uc804\uc555\uc744 \uc704\ud55c \ubcc4\ub3c4\uc758 \ub2e8\uc790\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc124\uacc4 \ub355\ubd84\uc5d0 \ub354 \ub113\uc740 \ubc94\uc704\uc758 \uc784\ud53c\ub358\uc2a4 \ubc0f \uc804\uc555 \uc635\uc158<\/strong>. \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc784\ud53c\ub358\uc2a4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. 1K\u03a9 \ubc0f 680\u03a9<\/strong>, \uc640 550\u03a9 \ubc0f 2.2K\u03a9<\/strong> \ub294 \ub4dc\ubb45\ub2c8\ub2e4. \uc791\ub3d9 \uc804\uc555 \ubc94\uc704\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. 1.5V ~ 5V<\/strong>.<\/p>\n\n\n\n

3\ub2e8\uc790 \ub9c8\uc774\ud06c\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc138\uc694. 3-\ub2e8\uc790 \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c<\/a> \uc81c\ud488 \ud398\uc774\uc9c0\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

3\ub2e8\uc790 \ub9c8\uc774\ud06c\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h3>\n\n\n\n

3\ub2e8\uc790 \ub9c8\uc774\ud06c\ub294 \uc720\uc5f0\uc131\uc774 \ub6f0\uc5b4\ub098 \ud558\uc774\uc5d4\ub4dc \uc624\ub514\uc624 \uc7a5\uce58\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n

    \n
  • \ub178\uc774\uc988 \uce94\uc2ac\ub9c1 \ud5e4\ub4dc\ud3f0(\ub192\uc740 SNR \ud544\uc694)<\/li>\n\n\n\n
  • \ud68c\uc758\uc6a9 \ub9c8\uc774\ud06c(\uc800\uc18c\uc74c, \uc77c\uad00\ub41c \ucd9c\ub825)<\/li>\n\n\n\n
  • \uc2a4\ud2b8\ub9ac\uba38 \ub610\ub294 \ubc29\uc1a1\uc0ac \ub9c8\uc774\ud06c(\uace0\uc74c\uc9c8 \ubc0f \ub192\uc740 AOP)<\/li>\n<\/ul>\n\n\n
    \n
    \"2\ub2e8\uc790
    \uadf8\ub9bc 1: 2\ub2e8\uc790(\uc67c\ucabd) \ubc0f 3\ub2e8\uc790(\uc624\ub978\ucabd) \uc77c\ub809\ud2b8\ub9bf \ub9c8\uc774\ud06c \uc194\ub354 \ud328\ub4dc(\uce58\uc218 \uac1c\ub7b5\ub3c4).<\/figcaption><\/figure>\n<\/div>\n\n\n

    \uc784\ud53c\ub358\uc2a4\uc640 \uc804\uc555\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n

    \uc784\ud53c\ub358\uc2a4\ub294 \ub9c8\uc774\ud06c\uac00 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ud68c\ub85c\uc640 \uc0c1\ud638 \uc791\uc6a9\ud558\ub294 \ubc29\uc2dd\uc5d0 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4. \uc784\ud53c\ub358\uc2a4\uac00 \ub0ae\uc740 \ub9c8\uc774\ud06c\ub294 \uc2e0\ud638 \uc190\uc2e4\uc774 \uc801\uc740 \uae34 \ucf00\uc774\ube14\uc744 \uad6c\ub3d9\ud560 \uc218 \uc788\uace0, \uc784\ud53c\ub358\uc2a4\uac00 \ub192\uc740 \ub9c8\uc774\ud06c\ub294 \uc9e7\uc740 \uc5f0\uacb0\uc5d0\uc11c \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc791\ub3d9 \uc804\uc555\uc740 \ub0b4\ubd80 FET \uc791\ub3d9\uc744 \uc81c\uc5b4\ud569\ub2c8\ub2e4. 2\ub2e8\uc790 \ub9c8\uc774\ud06c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc2e0\ud638 \ub77c\uc778\uc5d0\uc11c \uc804\uc6d0\uc744 \uacf5\uae09\ubc1b\ub294 \ub0b4\uc7a5 FET\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. 3\ub2e8\uc790 \ub9c8\uc774\ud06c\ub294 \ubc14\uc774\uc5b4\uc2a4 \uacf5\uae09\uc744 \ubd84\ub9ac\ud558\uc5ec \ud68c\ub85c \uc815\ud569\uc744 \uac1c\uc120\ud558\uace0 \uc131\ub2a5\uc5d0 \ub354 \ub9ce\uc740 \uc720\uc5f0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    2-\ub2e8\uc790 \ub9c8\uc774\ud06c\uc640 3-\ub2e8\uc790 \ub9c8\uc774\ud06c \uc911\uc5d0\uc11c \uc120\ud0dd\ud558\uae30<\/h2>\n\n\n\n
      \n
    • 2-\ub2e8\ub9d0\uae30:<\/strong> \uad6c\ud604\ud558\uae30 \uc26c\uc6b4 \ud45c\uc900 \uc804\uc555(1.5-2V), \uc77c\ubc18 \uc784\ud53c\ub358\uc2a4 2K\u03a9\uc73c\ub85c \ubc94\uc6a9 \uc7a5\uce58\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
    • 3-\ub2e8\ub9d0\uae30:<\/strong> \uc720\uc5f0\ud55c \uc804\uc555(1.5-5V), \uc784\ud53c\ub358\uc2a4 680\u03a9-1K\u03a9 \uc77c\ubc18, 550\u03a9\/2.2K\u03a9 \ud76c\uadc0, \uace0\ucda9\uc2e4\ub3c4\uac00 \uc694\uad6c\ub418\ub294 \uace0\uc131\ub2a5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

      \uc694\uc57d<\/h2>\n\n\n\n

      \ud130\ubbf8\ub110 \uc218\ub294 \uac00\uc7a5 \uba3c\uc800 \ub208\uc5d0 \ubcf4\uc774\ub294 \ucc28\uc774\uc810\uc774\uc9c0\ub9cc, \uc2e4\uc81c \ucc28\uc774\uc810\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uc784\ud53c\ub358\uc2a4, \uc791\ub3d9 \uc804\uc555 \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc720\uc5f0\uc131<\/strong>. 2\ub2e8\uc790 \ub9c8\uc774\ud06c\ub294 \ud45c\uc900 \uc18c\ube44\uc790\uc6a9 \uc81c\ud488\uc5d0 \uc801\ud569\ud558\uace0 3\ub2e8\uc790 \ub9c8\uc774\ud06c\ub294 \uace0\uc131\ub2a5, \uace0\uc74c\uc9c8 \uc2dc\ub098\ub9ac\uc624\uc5d0 \ud0c1\uc6d4\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

      Electret microphones can be broadly classified by terminal type, typically into 2-terminal and 3-terminal designs. The most visible difference is the number of solder pads, but more important distinctions lie in their impedance and working voltage. Typical Impedance and Voltage Terminal Type Common Impedance Less Common Impedance Typical Voltage 2-Terminal 2K\u03a9 \u2014 1.5V, 2V 3-Terminal 1K\u03a9, 680\u03a9 […]<\/p>\n","protected":false},"author":1,"featured_media":4053,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[401],"tags":[722,723],"class_list":["post-4046","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-component-comparisons","tag-electret-microphones","tag-terminal-type"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4046","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=4046"}],"version-history":[{"count":7,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4046\/revisions"}],"predecessor-version":[{"id":4065,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/posts\/4046\/revisions\/4065"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/media\/4053"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/media?parent=4046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/categories?post=4046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ko\/wp-json\/wp\/v2\/tags?post=4046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}