{"id":147350,"date":"2024-04-27T13:55:52","date_gmt":"2024-04-27T13:55:52","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/rf-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4-%eb%b6%84%ec%84%9d%ea%b8%b0\/"},"modified":"2024-04-27T13:56:00","modified_gmt":"2024-04-27T13:56:00","slug":"rf-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4-%eb%b6%84%ec%84%9d%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/rf-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4-%eb%b6%84%ec%84%9d%ea%b8%b0\/","title":{"rendered":"RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30"},"content":{"rendered":"<p class=\"sidekick\">RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\ub294 \uc804\uc790 \ud68c\ub85c\uc640 \uc548\ud14c\ub098\uc758 \uc804\uae30\uc801 \uc784\ud53c\ub358\uc2a4\ub97c \uce21\uc815\ud558\uace0 \ucd5c\uc801\ud654\ud558\ub294 \uc804\uc790\uacf5\ud559 \ub3c4\uad6c\uc785\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/RF-\uc784\ud53c\ub358\uc2a4-\ubd84\uc11d\uae30.png\" alt=\"RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\"\/><\/p>\n<h2>RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\ub780?<\/h2>\n<p>RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\ub294 \ub77c\ub514\uc624 \uc8fc\ud30c\uc218(Radio Frequency) \ubc94\uc704\uc758 \uc804\uae30\uc801 \uc784\ud53c\ub358\uc2a4\ub97c \uce21\uc815\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. &#8216;\uc784\ud53c\ub358\uc2a4&#8217;\ub780 \uc804\ub958\uac00 \uad50\ub958 \ud68c\ub85c\ub97c \ud1b5\uacfc\ud560 \ub54c \uc800\ud56d\uacfc \uc720\uc0ac\ud55c \uc5ed\ud560\uc744 \ud558\ub294 \uac1c\ub150\uc73c\ub85c, \uad50\ub958 \ud68c\ub85c\uc5d0\uc11c\uc758 \uc804\ub958\uc758 \ud750\ub984\uc744 \ubc29\ud574\ud558\ub294 \uc815\ub3c4\ub97c \ub098\ud0c0\ub0b4\ub294 \ubb3c\ub9ac\ub7c9\uc785\ub2c8\ub2e4. \uc5b4\ub835\uac8c \ub4e4\ub9b4 \uc218 \uc788\uc73c\ub098, \uae30\ubcf8\uc801\uc73c\ub85c \uc784\ud53c\ub358\uc2a4\ub294 \uad50\ub958 \uc804\uae30 \ud68c\ub85c \uc804\uccb4\uc758 &#8220;\uc800\ud56d&#8221;\uc744 \ub098\ud0c0\ub0b4\ub294 \uac83\uc73c\ub85c \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub54c \uc784\ud53c\ub358\uc2a4\ub294 \uc800\ud56d(Resistance), \uc720\ub3c4 \ub9ac\uc561\ud134\uc2a4(Inductive Reactance), \uadf8\ub9ac\uace0 \uc6a9\ub7c9 \ub9ac\uc561\ud134\uc2a4(Capacitive Reactance)\uc758 \uc870\ud569\uc73c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc784\ud53c\ub358\uc2a4\uc758 \uad6c\uc131 \uc694\uc18c<\/h2>\n<ul>\n<li><strong>\uc800\ud56d(R)<\/strong>: \uc804\ud558\uc758 \ud750\ub984\uc5d0 \ub300\ud55c \uc18c\uc7ac\uc758 \uc800\ud56d\ub825\uc73c\ub85c, \ub3d9\uc77c\ud55c \ud06c\uae30\ub85c \uad50\ub958\ub4e0 \uc9c1\ub958\ub4e0 \uac04\uc5d0 \uc804\ub958\ub97c \ubc29\ud574\ud558\ub294 \uc815\ub3c4\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc720\ub3c4 \ub9ac\uc561\ud134\uc2a4(X<sub>L<\/sub>)<\/strong>: \ucf54\uc77c \ub0b4\ubd80\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc790\uae30\uc7a5 \ub54c\ubb38\uc5d0 \uc0dd\uae30\ub294 \uc804\ub958\uc758 \ud750\ub984\uc5d0 \ub300\ud55c \uc800\ud56d\uc73c\ub85c, \uc8fc\ud30c\uc218\uac00 \ub192\uc544\uc9c8\uc218\ub85d \uc99d\uac00\ud569\ub2c8\ub2e4. X<sub>L<\/sub> = 2\u03c0fL (\uc5ec\uae30\uc11c f\ub294 \uc8fc\ud30c\uc218, L\uc740 \uc778\ub355\ud134\uc2a4 \uc989, \ucf54\uc77c\uc758 \uc720\ub3c4\uc131)<\/li>\n<li><strong>\uc6a9\ub7c9 \ub9ac\uc561\ud134\uc2a4(X<sub>C<\/sub>)<\/strong>: \ucd95\uc804\uae30(\uce90\ud328\uc2dc\ud130)\uc5d0 \uc800\uc7a5\ub418\ub294 \uc804\ud558\ub7c9 \ubcc0\ud654\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc804\ub958\uc758 \ud750\ub984\uc5d0 \ub300\ud55c \uc800\ud56d\uc73c\ub85c, \uc8fc\ud30c\uc218\uac00 \ub192\uc544\uc9c8\uc218\ub85d \uac10\uc18c\ud569\ub2c8\ub2e4. X<sub>C<\/sub> = 1 \/ (2\u03c0fC) (\uc5ec\uae30\uc11c C\ub294 \uce90\ud328\uc2dc\ud134\uc2a4 \uc989, \ucd95\uc804\uae30\uc758 \uc6a9\ub7c9)<\/li>\n<\/ul>\n<p>\uc774 \uc138 \uac00\uc9c0 \uc131\ubd84\uc744 \ubc14\ud0d5\uc73c\ub85c, \uc804\uccb4 \uc784\ud53c\ub358\uc2a4(Z)\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubcf5\uc18c\uc218 \ud615\ud0dc\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>Z = R + j(X<sub>L<\/sub> &#8211; X<sub>C<\/sub>)<\/p>\n<p>\uc5ec\uae30\uc11c j\ub294 \ud5c8\uc218 \ub2e8\uc704\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uacf5\ud559\uc5d0\uc11c\ub294 i \ub300\uc2e0 j\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc81c\uacf1\ud558\uba74 -1\uc774 \ub418\ub294 \ud5c8\uc218 \ub2e8\uc704\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<h2>RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\uc758 \uc0ac\uc6a9<\/h2>\n<p>RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\ub97c \uc0ac\uc6a9\ud558\ub294 \uc8fc\ub41c \ubaa9\uc801\uc740 \uc804\uc790 \ud68c\ub85c\ub098 \uc548\ud14c\ub098 \ub4f1\uc758 \ucd5c\uc801\uc758 \uc791\ub3d9 \uc870\uac74\uc744 \ucc3e\ub294 \uac83\uc785\ub2c8\ub2e4. \ud2b9\ud788 \uc548\ud14c\ub098\uc758 \uacbd\uc6b0, \uc548\ud14c\ub098\uc640 \uc1a1\uc2e0\uae30 \uc0ac\uc774\uc758 \uc784\ud53c\ub358\uc2a4 \uc77c\uce58(impedance matching)\uac00 \uc911\uc694\ud55c\ub370, \uc774\ub294 \uc2e0\ud638 \uc190\uc2e4\uc744 \ucd5c\uc18c\ud654\ud558\uace0 RF \uc2e0\ud638\uc758 \uc804\ub2ec \ud6a8\uc728\uc744 \ub192\uc774\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4.<\/p>\n<p>RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc5bb\uc744 \uc218 \uc788\ub294 \uc815\ubcf4\uc5d0\ub294 \uc784\ud53c\ub358\uc2a4\uc758 \ud06c\uae30(|Z|), \uc704\uc0c1 \uac01(phase angle), \ub9ac\ud134 \ub85c\uc2a4(Return Loss), \uc2a4\ud0e0\ub529 \uc6e8\uc774\ube0c \ube44(SWR, Standing Wave Ratio), \uadf8\ub9ac\uace0 \ub9ac\uc561\ud134\uc2a4 \uac12\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc774 \uc815\ubcf4\ub4e4\uc740 \ud68c\ub85c\ub098 \uc2dc\uc2a4\ud15c\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\uace0, \uc7a0\uc7ac\uc801\uc778 \ubb38\uc81c\ub97c \uc9c4\ub2e8\ud558\ub294\ub370 \uadc0\uc911\ud55c \uc790\ub8cc\ub85c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\ub294 \uc804\uc790\uacf5\ud559 \ubc0f \ud1b5\uc2e0 \ubd84\uc57c\uc5d0\uc11c \ud544\uc218\uc801\uc778 \ub3c4\uad6c\ub85c, \ubcf5\uc7a1\ud55c \uc804\uae30 \ud68c\ub85c\uc640 \uc2dc\uc2a4\ud15c\uc758 \ub3d9\uc791\uc744 \uc774\ud574\ud558\uace0 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd84\uc11d\uae30\ub97c \ud1b5\ud574 \uc6b0\ub9ac\ub294 \uc804\uae30\uc801 \uc784\ud53c\ub358\uc2a4\uc758 \uc815\ud655\ud55c \uce21\uc815\uacfc \ubd84\uc11d\uc744 \ud1b5\ud574 \uae30\uae30\uc758 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\ub294 \ubc29\ud5a5\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uc774\ub780 \ubd84\uc57c\ub294 \ubcf5\uc7a1\ud574 \ubcf4\uc77c \uc218 \uc788\uc9c0\ub9cc, \uae30\ubcf8\uc801\uc778 \ubb3c\ub9ac \uc6d0\ub9ac\ub97c \uc774\ud574\ud55c\ub2e4\uba74 \uc774\uc640 \uac19\uc740 \uace0\uae09 \ub3c4\uad6c\uc758 \uc791\ub3d9 \uc6d0\ub9ac\ub3c4 \ucda9\ubd84\ud788 \uc774\ud574\ud560 \uc218 \uc788\uac8c \ub429\ub2c8\ub2e4. \uc774\ub85c\uc368 \ub354 \ub9ce\uc740 \uc0ac\ub78c\ub4e4\uc774 \uc804\uc790\uacf5\ud559\uc758 \uc138\uacc4\ub85c \ud55c\uac78\uc74c \ub354 \ub2e4\uac00\uac08 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RF \uc784\ud53c\ub358\uc2a4 \ubd84\uc11d\uae30\ub294 \uc804\uc790 \ud68c\ub85c\uc640 \uc548\ud14c\ub098\uc758 \uc804\uae30\uc801 \uc784\ud53c\ub358\uc2a4\ub97c \uce21\uc815\ud558\uace0 \ucd5c\uc801\ud654\ud558\ub294 \uc804\uc790\uacf5\ud559 \ub3c4\uad6c\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":175958,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-147350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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