{"id":834,"date":"2012-11-18T15:27:24","date_gmt":"2012-11-18T06:27:24","guid":{"rendered":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/?p=834"},"modified":"2013-04-13T17:08:47","modified_gmt":"2013-04-13T08:08:47","slug":"fet-usb-dac","status":"publish","type":"post","link":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/2012\/11\/fet-usb-dac\/","title":{"rendered":"<!--:ja-->FET\u5dee\u52d5\u30d0\u30c3\u30d5\u30a1\u4ed8\u304dUSB-DAC<!--:--><!--:en-->USB-DAC with FET balanced buffer<!--:-->"},"content":{"rendered":"<p><!--:ja-->\u307a\u308b\u3051\u3055\u3093\u306e<a href=\"http:\/\/www.op316.com\/tubes\/lpcd\/fet-dac.htm\">FET\u5dee\u52d5\u30d0\u30c3\u30d5\u30a1\u5f0fUSB DAC<\/a>\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8084.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-828\" title=\"inside DAC\" src=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8084-400x265.jpg\" alt=\"inside DAC\" width=\"400\" height=\"265\" srcset=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8084-400x265.jpg 400w, http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8084.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u5b9f\u88c5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p><!--:--><!--more--><!--:ja--><\/p>\n<h2>1. \u56de\u8def\u56f3\u3001PCB<\/h2>\n<p>\u56de\u8def\u306f\u307a\u308b\u3051\u3055\u3093\u306e\u305d\u306e\u307e\u307e\u3067\u3059\u3002<\/p>\n<p><a href=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/FETBUF-DAC2-Schematic.png\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-832\" title=\"FETBUF-DAC2-Schematic\" src=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/FETBUF-DAC2-Schematic-399x275.png\" alt=\"FETBUF-DAC2-Schematic\" width=\"399\" height=\"275\" srcset=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/FETBUF-DAC2-Schematic-399x275.png 399w, http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/FETBUF-DAC2-Schematic-1024x705.png 1024w, http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/FETBUF-DAC2-Schematic.png 1545w\" sizes=\"(max-width: 399px) 100vw, 399px\" \/><\/a><\/p>\n<p>\u57fa\u677f\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u3001Eagle\u3067\u56de\u8def\u56f3\u3092\u304a\u3053\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u4ed6\u306e\u57fa\u677f\u3068\u3044\u3063\u3057\u3087\u306bFUSION PCB\u306b\u983c\u3093\u3067\uff11\uff10\u679a\u4f5c\u6210\u3057\u3066\u3082\u3089\u3044\u307e\u3057\u305f\u3002\u5199\u771f\u306e\u8d64\u3044\u65b9\u306e\u57fa\u677f\u3067\u3059\u3002<\/p>\n<p><a href=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8025.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-837\" title=\"PCB\" src=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8025-400x265.jpg\" alt=\"PCB\" width=\"400\" height=\"265\" srcset=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8025-400x265.jpg 400w, http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8025.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<h2>2. \u7d44\u307f\u7acb\u3066<\/h2>\n<p>\u30d1\u30fc\u30c4\u306f\u307a\u308b\u3051\u3055\u3093\u306e\u30da\u30fc\u30b8\u3092\u53c2\u8003\u306b\u3057\u3066\u4e0b\u3055\u3044\u3002\u57fa\u677f\u306b\u3072\u305f\u3059\u3089\u30d1\u30fc\u30c4\u3092\u306e\u305b\u307e\u3059\u3002<\/p>\n<ul>\n<li>FET\u306f\u81ea\u5206\u3067\u9078\u5225\u3057\u307e\u3057\u305f\u3002<\/li>\n<li>\u5dee\u52d5\u51fa\u529b\u3067\u4f7f\u3046\u4e88\u5b9a\u306f\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u8ca0\u5e30\u9084\u62b5\u6297\u30921.8K\u306b\u3057\u3066\u30b2\u30a4\u30f3\u3092\u3042\u3052\u307e\u3057\u305f\u3002<\/li>\n<li>\u5b9a\u96fb\u6d41\u7d20\u5b50\u306f\u624b\u6301\u3061\u306e2SK30\u306e\u3046\u3061\u3001Idss\u304c3mA\u306b\u8fd1\u3044\u3082\u306e\u3092\u9078\u629e\u3057\u3066\u3044\u307e\u3059\u3002\u57fa\u677f\u4e0a\u3067\u306f\uff12\u500b\u30d1\u30e9\u306b\u7e4b\u3052\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\uff11\u500b\u3067\u3059\u307f\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<p>\u3068\u308a\u3042\u3048\u305a\u30d0\u30e9\u30c3\u30af\u3067\u8a66\u9a13\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u554f\u984c\u306a\u304f\u97f3\u304c\u51fa\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8070.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-831\" title=\"DAC FET buffer\" src=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8070-400x265.jpg\" alt=\"DAC FET buffer\" width=\"400\" height=\"265\" srcset=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8070-400x265.jpg 400w, http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8070.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u306a\u304a\u3001AC\u30a2\u30c0\u30d7\u30bf\u3092\u53d7\u3051\u308b2.2\u03a9\u306e\u62b5\u6297\u3068\u30b3\u30f3\u30c7\u30f3\u30b5\u306f\u57fa\u677f\u3068\u306f\u5225\u306b\u5b9f\u88c5\u3057\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>3. \u30b1\u30fc\u30b9<\/h2>\n<p>\u52d5\u4f5c\u306e\u78ba\u8a8d\u304c\u51fa\u6765\u305f\u3068\u3053\u308d\u3067\u3001\u5b9f\u7528\u7684\u306b\u4f7f\u3048\u308b\u3088\u3046\u306b\u3001\u30b1\u30fc\u30b9\u306b\u5165\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u30e9\u30b0\u677f\u306e\u4f5c\u4f8b\u306b\u6bd4\u3079\u3066\u5c0f\u3055\u304f\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u305f\u306e\u3067\u5c0f\u3055\u3081\u306e\u30b1\u30fc\u30b9\u3092\u9078\u3073\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8092.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-830\" title=\"DAC in TEST\" src=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8092-400x265.jpg\" alt=\"DAC in TEST\" width=\"400\" height=\"265\" srcset=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8092-400x265.jpg 400w, http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8092.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>TAKACHI\u306eMX3-11-12\u3092\u9078\u629e\u3057\u307e\u3057\u305f\u3002\u9ad8\u3055\u304c3cm\u3057\u304b\u306a\u3044\u305f\u3081\u3001\u30b9\u30da\u30fc\u30b5\u306b\u80cc\u306e\u4f4e\u3044\u7269\u3092\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5e45\u3084\u5965\u884c\u304d\u306f\u3061\u3087\u3046\u3069\u30d4\u30c3\u30bf\u30ea\u3067\u3057\u305f\u3002<\/p>\n<p>\u30d1\u30cd\u30eb\u90e8\u5206\u304c\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u88fd\u306e\u305f\u3081\u30ce\u30a4\u30ba\u7684\u306b\u306f\u4e0d\u5229\u3067\u3059\u304c\u3001\u52a0\u5de5\u304c\u697d\u3067\u6c17\u306b\u5165\u3063\u3066\u3044\u307e\u3059\u3002\u306a\u306b\u3057\u308d\u5b89\u3044\u3002<\/p>\n<p><a href=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8098.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-829\" title=\"DAC in case\" src=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8098-400x265.jpg\" alt=\"DAC in case\" width=\"400\" height=\"265\" srcset=\"http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8098-400x265.jpg 400w, http:\/\/morecatlab.akiba.coocan.jp\/lab\/wp-content\/uploads\/2012\/11\/IMGP8098.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>6B4G\u30b7\u30f3\u30b0\u30eb\u30a2\u30f3\u30d7\u306b\u3064\u306a\u3044\u3067\u8a66\u9a13\u4e2d\u3067\u3059\u3002\u826f\u3044\u97f3\u304c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u826f\u3044\u8a2d\u8a08\u3092\u516c\u958b\u3057\u3066\u9802\u3044\u305f\u3001\u307a\u308b\u3051\u3055\u3093\u306b\u611f\u8b1d\u3057\u307e\u3059\u3002<\/p>\n<p>\uff08\u4e86\uff09<!--:--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u307a\u308b\u3051\u3055\u3093\u306eFET\u5dee\u52d5\u30d0\u30c3\u30d5\u30a1\u5f0fUSB DAC\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 \u5b9f\u88c5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5,14],"tags":[],"_links":{"self":[{"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/posts\/834"}],"collection":[{"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/comments?post=834"}],"version-history":[{"count":14,"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/posts\/834\/revisions"}],"predecessor-version":[{"id":941,"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/posts\/834\/revisions\/941"}],"wp:attachment":[{"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/media?parent=834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/categories?post=834"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/morecatlab.akiba.coocan.jp\/lab\/index.php\/wp-json\/wp\/v2\/tags?post=834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}