{"id":32611,"date":"2023-04-22T00:12:03","date_gmt":"2023-04-22T05:12:03","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-ultrasonic-speaker\/"},"modified":"2025-01-21T03:39:42","modified_gmt":"2025-01-21T08:39:42","slug":"how-to-make-ultrasonic-speaker","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/ko\/how-to-make-ultrasonic-speaker\/","title":{"rendered":"\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4 \uc81c\uc791: \uc644\ubcbd \uac00\uc774\ub4dc A to Z"},"content":{"rendered":"<p>\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub294 \uc0ac\ub78c\uc758 \uadc0\uc5d0\ub294 \ub4e4\ub9ac\uc9c0 \uc54a\ub294 \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \uc18c\ub9ac\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub54c\ubb38\uc5d0 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub418\uace0 \uc788\uc73c\uba70,  \ubc18\ub824\ub3d9\ubb3c \ud6c8\ub828, \ud574\ucda9 \ud1f4\uce58, \ud2b9\uc815 \uacf5\uac04\uc758 \uc18c\uc74c \uc81c\uc5b4 \ub4f1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.  \uc9c1\uc811 \uc81c\uc791\ud558\ub294 \uac83\uc740 \ub2e4\uc18c \ubcf5\uc7a1\ud558\uc9c0\ub9cc, \uae30\ubcf8\uc801\uc778 \uc804\uc790\uacf5\ud559 \uc9c0\uc2dd\uacfc \uba87 \uac00\uc9c0 \ubd80\ud488\ub9cc \uc788\uc73c\uba74 \ucda9\ubd84\ud788 \uac00\ub2a5\ud569\ub2c8\ub2e4.  \uc774 \uae00\uc5d0\uc11c\ub294 \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub97c \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc790\uc138\ud788 \uc124\uba85\ud558\uace0, \ud544\uc694\ud55c \ubd80\ud488 \ubc0f \uc8fc\uc758\uc0ac\ud56d\uc5d0 \ub300\ud574\uc11c\ub3c4 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud544\uc694\ud55c \ubd80\ud488<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\ubd80\ud488<\/th>\n<th>\uc124\uba85<\/th>\n<th>\uad6c\ub9e4\ucc98<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ucd08\uc74c\ud30c \ud2b8\ub79c\uc2a4\ub4c0\uc11c<\/td>\n<td>\ucd08\uc74c\ud30c\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \ud575\uc2ec \ubd80\ud488. \uc8fc\ud30c\uc218 \uc120\ud0dd\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<\/td>\n<td>\uc804\uc790 \ubd80\ud488 \ud310\ub9e4\uc810<\/td>\n<\/tr>\n<tr>\n<td>NPN \ud2b8\ub79c\uc9c0\uc2a4\ud130 (\uc608: 2N2222)<\/td>\n<td>\uc2e0\ud638 \uc99d\ud3ed \uc5ed\ud560<\/td>\n<td>\uc804\uc790 \ubd80\ud488 \ud310\ub9e4\uc810<\/td>\n<\/tr>\n<tr>\n<td>\uc800\ud56d (\uc608: 1k\u03a9, 10k\u03a9)<\/td>\n<td>\ud68c\ub85c \uc548\uc815\ud654 \ubc0f \uc804\ub958 \uc81c\uc5b4<\/td>\n<td>\uc804\uc790 \ubd80\ud488 \ud310\ub9e4\uc810<\/td>\n<\/tr>\n<tr>\n<td>\ucee4\ud328\uc2dc\ud130 (\uc608: 100nF)<\/td>\n<td>\ub178\uc774\uc988 \uc81c\uac70<\/td>\n<td>\uc804\uc790 \ubd80\ud488 \ud310\ub9e4\uc810<\/td>\n<\/tr>\n<tr>\n<td>\ube0c\ub808\ub4dc\ubcf4\ub4dc \ub610\ub294 PCB<\/td>\n<td>\ud68c\ub85c \uad6c\uc131 \ubc0f \ud14c\uc2a4\ud2b8<\/td>\n<td>\uc804\uc790 \ubd80\ud488 \ud310\ub9e4\uc810<\/td>\n<\/tr>\n<tr>\n<td>\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 (\uc608: 9V \ubc30\ud130\ub9ac)<\/td>\n<td>\uc804\uc6d0 \uacf5\uae09<\/td>\n<td>\uc804\uc790 \ubd80\ud488 \ud310\ub9e4\uc810<\/td>\n<\/tr>\n<tr>\n<td>\uc810\ud37c \uc640\uc774\uc5b4<\/td>\n<td>\ubd80\ud488 \uc5f0\uacb0<\/td>\n<td>\uc804\uc790 \ubd80\ud488 \ud310\ub9e4\uc810<\/td>\n<\/tr>\n<tr>\n<td>\ud568\uc218 \ubc1c\uc0dd\uae30 (\uc120\ud0dd)<\/td>\n<td>\uc815\ud655\ud55c \uc8fc\ud30c\uc218 \ud14c\uc2a4\ud2b8<\/td>\n<td>\uc804\uc790 \ubd80\ud488 \ud310\ub9e4\uc810<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\ud68c\ub85c \uad6c\uc131<\/h3>\n<p>\ud2b8\ub79c\uc9c0\uc2a4\ud130\uc758 \ubca0\uc774\uc2a4\uc5d0 \uc800\ud56d\uc744 \uc5f0\uacb0\ud558\uace0, \uceec\ub809\ud130\uc5d0\ub294 \ucd08\uc74c\ud30c \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub97c \uc5f0\uacb0\ud569\ub2c8\ub2e4.  \uc774\ubbf8\ud130\ub294 \uc811\uc9c0\uc5d0 \uc5f0\uacb0\ud558\uace0,  \ubca0\uc774\uc2a4\uc640 \uceec\ub809\ud130 \uc0ac\uc774\uc5d0 \ucee4\ud328\uc2dc\ud130\ub97c \uc5f0\uacb0\ud558\uc5ec \ub178\uc774\uc988\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4. \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub294 \ud2b8\ub79c\uc9c0\uc2a4\ud130\uc758 \uceec\ub809\ud130\uc640 \uc774\ubbf8\ud130\uc5d0 \uac01\uac01 \uc5f0\uacb0\ud569\ub2c8\ub2e4.  \ud568\uc218 \ubc1c\uc0dd\uae30\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, \ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\ud558\uc5ec \uc6d0\ud558\ub294 \uc8fc\ud30c\uc218\uc758 \uc2e0\ud638\ub97c \uc785\ub825\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ud2b8\ub79c\uc2a4\ub4c0\uc11c \uc120\ud0dd<\/h3>\n<p>\ucd08\uc74c\ud30c \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub294  \uc6d0\ud558\ub294 \uc8fc\ud30c\uc218\uc5d0 \ub530\ub77c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uac1c \ud6c8\ub828\uc6a9 \uc2a4\ud53c\ucee4\ub97c \uc81c\uc791\ud558\ub824\uba74 20kHz ~ 40kHz  \ubc94\uc704\uc758 \ud2b8\ub79c\uc2a4\ub4c0\uc11c\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.  \ub9cc\uc57d \ud2b9\uc815 \uc8fc\ud30c\uc218 \ub300\uc5ed\uc758 \uc81c\ud488\uc744 \ucc3e\uace0 \uc788\ub2e4\uba74, \ucc38\uace0\ub85c \ubca0\uc774\uc9d5 \ucd08\uc74c\ud30c\uc640 \uac19\uc740 \uc804\ubb38 \uc5c5\uccb4\uc758 \uc81c\ud488\uc744 \uc0b4\ud3b4\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud14c\uc2a4\ud2b8 \ubc0f \uc870\uc815<\/h3>\n<p>\ud68c\ub85c \uad6c\uc131\uc774 \uc644\ub8cc\ub418\uba74 \uc804\uc6d0\uc744 \uc5f0\uacb0\ud558\uace0 \ud568\uc218 \ubc1c\uc0dd\uae30 \ub610\ub294 \ub2e4\ub978 \uc2e0\ud638 \ubc1c\uc0dd \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc5ec  \ucd08\uc74c\ud30c\uac00 \ubc1c\uc0dd\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.  \uc2a4\ub9c8\ud2b8\ud3f0\uc758 \ucd08\uc74c\ud30c \ud0d0\uc9c0 \uc571\uc744 \uc0ac\uc6a9\ud558\uc5ec  \ucd9c\ub825 \uc8fc\ud30c\uc218\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud544\uc694\uc5d0 \ub530\ub77c \uc800\ud56d \uac12\uc744 \uc870\uc815\ud558\uc5ec \ucd9c\ub825 \uac15\ub3c4\ub97c \uc870\uc808\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc548\uc804 \uc8fc\uc758\uc0ac\ud56d<\/h3>\n<p>\uace0\ucd9c\ub825 \ucd08\uc74c\ud30c\ub294  \uccad\ub825 \uc190\uc2e4\uc774\ub098 \ub2e4\ub978 \uac74\uac15 \ubb38\uc81c\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c,  \ud14c\uc2a4\ud2b8 \uacfc\uc815\uc5d0\uc11c  \uc7a5\uc2dc\uac04 \uc9c1\uc811 \ub178\ucd9c\ub418\uc9c0 \uc54a\ub3c4\ub85d \uc8fc\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.  \ud2b9\ud788 \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \ucd08\uc74c\ud30c\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \ub354\uc6b1 \uc8fc\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.  \ub610\ud55c,  \ubc18\ub824\ub3d9\ubb3c\uc5d0\uac8c \uc0ac\uc6a9\ud560 \uacbd\uc6b0\uc5d0\ub3c4  \ub3d9\ubb3c\uc758 \ubc18\uc751\uc744 \uc8fc\uc758 \uae4a\uac8c \uad00\ucc30\ud558\uace0, \ubd88\ud3b8\ud568\uc744 \ub290\ub07c\ub294 \uc9d5\ud6c4\uac00 \ubcf4\uc774\uba74 \uc989\uc2dc \uc0ac\uc6a9\uc744 \uc911\ub2e8\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4 \uc81c\uc791\uc740  \uae30\ubcf8\uc801\uc778 \uc804\uc790 \uacf5\ud559 \uc9c0\uc2dd\ub9cc \uc788\ub2e4\uba74 \ucda9\ubd84\ud788 \ub3c4\uc804\ud574 \ubcfc \ub9cc\ud55c \ud504\ub85c\uc81d\ud2b8\uc785\ub2c8\ub2e4.  \uc81c\uc791 \uacfc\uc815\uc5d0\uc11c \uc548\uc804\uc5d0 \uc720\uc758\ud558\uace0,  \uc6a9\ub3c4\uc5d0 \ub9de\ub294 \ubd80\ud488\uc744 \uc120\ud0dd\ud558\uc5ec  \uc6d0\ud558\ub294 \uc131\ub2a5\uc758 \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub97c \ub9cc\ub4e4\uc5b4 \ubcf4\uc138\uc694.  \ub2e4\uc591\ud55c \uc8fc\ud30c\uc218\uc640 \ucd9c\ub825\uc744 \uc2e4\ud5d8\ud558\uba70 \uc790\uc2e0\uc5d0\uac8c \ub9de\ub294 \ucd5c\uc801\uc758 \uc2a4\ud53c\ucee4\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub294 \uc0ac\ub78c\uc758 \uadc0\uc5d0\ub294 \ub4e4\ub9ac\uc9c0 \uc54a\ub294 \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \uc18c\ub9ac\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub54c\ubb38\uc5d0 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub418\uace0 \uc788\uc73c\uba70, \ubc18\ub824\ub3d9\ubb3c \ud6c8\ub828, \ud574\ucda9 \ud1f4\uce58, \ud2b9\uc815 \uacf5\uac04\uc758 \uc18c\uc74c \uc81c\uc5b4 \ub4f1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc9c1\uc811 \uc81c\uc791\ud558\ub294 \uac83\uc740 \ub2e4\uc18c \ubcf5\uc7a1\ud558\uc9c0\ub9cc, \uae30\ubcf8\uc801\uc778 \uc804\uc790\uacf5\ud559 \uc9c0\uc2dd\uacfc \uba87 \uac00\uc9c0 \ubd80\ud488\ub9cc \uc788\uc73c\uba74 \ucda9\ubd84\ud788 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \ucd08\uc74c\ud30c \uc2a4\ud53c\ucee4\ub97c \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc790\uc138\ud788 \uc124\uba85\ud558\uace0, \ud544\uc694\ud55c \ubd80\ud488 \ubc0f \uc8fc\uc758\uc0ac\ud56d\uc5d0<\/p>\n","protected":false},"author":1,"featured_media":26478,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6409],"tags":[],"class_list":["post-32611","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts\/32611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/comments?post=32611"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts\/32611\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/media\/26478"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/media?parent=32611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/categories?post=32611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/tags?post=32611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}