{"id":4893,"date":"2012-11-28T08:44:32","date_gmt":"2012-11-27T23:44:32","guid":{"rendered":"https:\/\/bunshiro.love\/?p=4893"},"modified":"2012-11-28T08:44:32","modified_gmt":"2012-11-27T23:44:32","slug":"rtl2832uds-dt305bk%e6%94%b9sdr%e3%81%aedirect-sampling-mode%e3%81%ae%e6%84%9f%e5%ba%a6%e6%b8%ac%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/bunshiro.love\/?p=4893","title":{"rendered":"RTL2832U+DS-DT305BK\u6539+SDR#\u306eDirect Sampling Mode\u306e\u611f\u5ea6\u6e2c\u5b9a"},"content":{"rendered":"

\u6c17\u306b\u306a\u3063\u3066\u3044\u305f\u53d7\u4fe1\u611f\u5ea6\u3092\u3042\u308a\u5408\u308f\u305b\u306e\u6a5f\u6750\u3067\u8a08\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u3000\u307e\u3060\u3001JI3GAB\u3055\u3093\u306b\u9802\u3044\u305f\u30de\u30b6\u30fc\u3092\u4f5c\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u6e2c\u5b9a\u90e8\u5c4b\u3067\u306f\u6e2c\u5b9a\u3067\u304d\u306a\u3044\u306e\u3067\u624b\u5143\u306b\u3042\u308b\u4fe1\u53f7\u767a\u751f\u5668\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002<\/p>\n

\u3000\u767a\u632f\u5668\u306e\u30ec\u30d9\u30eb\u3068\u30ec\u30d9\u30eb\u8a08\u306e\u8aad\u307f\u306f\u3042\u3063\u3066\u3044\u308b\u3051\u3069\u30c7\u30b7\u30d9\u30eb\u63db\u7b97\u306f\u8cac\u4efb\u6301\u3066\u306a\u3044\u304b\u3082\uff1f<\/p>\n

\u6e2c\u5b9a\u7d50\u679c
\n\u5468\u6ce2\u6570 SG-OFF SG-ON \u5dee
\n\u30001.2MHz -30dB -19dB 11dB
\n\u30007.0MHz -29dB -17dB 12dB
\n\u30003.5MHz -31dB -24dB 7dB
\n14.2MHz -31dB -18dB 13dB
\n19.5MHz -30dB -18dB 12dB<\/p>\n

\u3000\u4e88\u60f3\u901a\u308a\u901a\u5e38\u306e\u53d7\u4fe1\u6a5f\u3088\u308a\uff12\uff15\uff44\uff22\u4f4d\u3001\u611f\u5ea6\u304c\u60aa\u304b\u3063\u305f\u3067\u3059\u3002<\/p>\n

\u3000\u3057\u304b\u3057\u3001\u7d20\u6674\u3089\u3057\u3044\u6210\u7e3e\u3067\u3059\u3002<\/p>\n

\u3000\u8272\u3005\u306a\u7269\u306b\u5fdc\u7528\u51fa\u6765\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u53d7\u4fe1\u6a5f
\n\u3000DS-DT305BK\u6539\uff08\u30ef\u30f3\u30bb\u30b0\uff35\uff33\uff22\u30c9\u30f3\u30b0\u30eb\uff34\uff36\u30c1\u30e5\u30fc\u30ca\uff09
\n\u3000NO FILTER NO PREAMP
\n\u3000http:\/\/www.zox-net.com\/products\/tv\/ds-dt305\/index.html<\/p>\n

\u6539\u9020
\n\u3000http:\/\/mikikg.wordpress.com\/2012\/08\/22\/prepravka-dvb-t-usb-prijemnika-sa-rtl2832u-za-hf-0-28mhz\/
\n\u3000http:\/\/ttrftech.tumblr.com\/
\n\u3000http:\/\/blog.livedoor.jp\/bh5ea20tb-index\/<\/p>\n

\u3000\u5165\u529b\u30b3\u30a4\u30eb\u306f\u300c\u3086\u3046\u3061\u3083\u3093\u306e\u30d1\u30d1\u300d\u306b\u9802\u3044\u305f\uff26\uff34\uff13\uff17\uff0d\uff14\uff13\u306b\u5341\u56de\u30c8\u30ea\u30d5\u30a1\u30a4\u30e9\u30fc\u5dfb\u304d\u3067\u3059\u3002
\n\u3000\u96fb\u6e90\u306e\u30bf\u30f3\u30bf\u30eb\u306f\u4ed8\u3051\u3066\u3044\u307e\u305b\u3093\u3002\uff08\u306a\u305c\uff1f\u3082\u3063\u305f\u3044\u306a\u3044\u304b\u3089\uff09
\n\u3000\u300c\u3086\u3046\u3061\u3083\u3093\u306e\u30d1\u30d1\u300d\u3055\u3093\u3000\u611f\u8b1d<\/p>\n

\u53d7\u4fe1\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3
\n\u3000\uff33\uff24\uff32\uff03
\n\u3000http:\/\/sdrsharp.com\/
\n\u3000SDR# Dev<\/p>\n

\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570
\n\u3000\uff12\uff2d\uff28\uff5a<\/p>\n

Filter bandwidth
\n\uff12\uff0e\uff14\uff4b\uff28\uff5a<\/p>\n

\u6e2c\u5b9a\u5668<\/p>\n

\u3000\u4fe1\u53f7\u767a\u751f\u5668
\n\u3000\u5b89\u85e4\u3000\uff21\uff2a\u30fc\uff12\uff17\uff13\uff10\uff22\u3000\u51fa\u529b\u3000-10dBm\uff08\uff17\uff15\u30aa\u30fc\u30e0\uff09<\/p>\n

\u3000\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf
\n\u300080dB\uff08\uff15\uff10\u30aa\u30fc\u30e0\uff09<\/p>\n

\u3000\uff32\uff34\uff2c\u53d7\u4fe1\u6a5f\u3078\u5165\u529b\u4fe1\u53f7\u30ec\u30d9\u30eb
\n\u3000-10dBm – 80dB = -90dBm = 9\u03bcV = 9dB\u03bc
\n\u3000\u4f46\u3057\u3001\u4fe1\u53f7\u767a\u751f\u5668\u306f\uff17\uff15\u30aa\u30fc\u30e0\u3000\uff21\uff0e\uff34\uff0e\uff34\uff0e\u4ee5\u964d\u306f\uff15\uff10\u30aa\u30fc\u30e0\u3067\u3042\u308b\u305f\u3081\u82e5\u5e72\u306e\u8aa4\u5dee\u304c\u3042\u308a\u307e\u3059\u3002
\n\u3000\u82e5\u5e72\u3063\u3066\u3044\u304f\u3064\uff1f\u3000\uff0b\uff0d\u30003dB\uff5e6dB\u4f4d\u3058\u3083\u306d\uff0d\u306e\uff1f<\/p>\n

\u3000\u3061\u306a\u307f\u306b\u30a2\u30a4\u30b3\u30e0\u306e\uff29\uff23\uff17\uff10\uff10\uff10\u306e\u898f\u683c\u8868\u306b\u3088\u308b\u30681.8\uff5e29.9MHz -16dB\u03bc\u4ee5\u4e0b\u3068\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u30ec\u30d9\u30eb\u8a08
\n\u3000DeskTopLevelMeter
\n\u3000http:\/\/www.vector.co.jp\/soft\/winnt\/art\/se383683.html<\/p>\n

\u4e0b\u8a18\u306e\u30d0\u30fc\u30c1\u30e3\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u3063\u3066\uff33\uff24\uff32\uff03\u3068DeskTopLevelMeter\u3092\u7e4b\u3044\u3067\u3044\u307e\u3059\u3002<\/p>\n

\u30d0\u30fc\u30c1\u30e3\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30b1\u30fc\u30d6\u30eb
\n\u7121\u6599
\nNETDUETTO \u03b2
\n\u3000http:\/\/www.y2lab.com\/project\/netduetto\/
\nNETDUETTO \u03b2\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9
\n\u3000http:\/\/www.y2lab.com\/project\/netduetto\/download.html
\nNETDUETTO \u03b2\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30de\u30cb\u30e5\u30a2\u30eb
\n\u3000http:\/\/www.y2lab.com\/project\/netduetto\/install-manual.html<\/p>\n

\u6709\u6599
\nVirtual Audio Cable\uff08\uff36\uff21\uff23\uff09
\n\u3000http:\/\/software.muzychenko.net\/eng\/vac.htm<\/p>\n

\u30d1\u30bd\u30b3\u30f3
\n\u3000Windows 7 x64 \uff23\uff30\uff35\u306f\uff38\uff45\uff4f\uff4e\u306e\u53e4\u3044\u3084\u3064\u3067\u3059\u3002<\/p>\n

\u7530\u6751\u6587\u53f2\u90ce\uff0f\uff2a\uff21\uff15\uff26\uff2e\uff38<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6c17\u306b\u306a\u3063\u3066\u3044\u305f\u53d7\u4fe1\u611f\u5ea6\u3092\u3042\u308a\u5408\u308f\u305b\u306e\u6a5f\u6750\u3067\u8a08\u308a\u307e\u3057\u305f\u3002 \u3000\u307e\u3060\u3001JI3GAB\u3055\u3093\u306b\u9802\u3044\u305f\u30de\u30b6\u30fc\u3092\u4f5c\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u6e2c\u5b9a\u90e8\u5c4b\u3067\u306f\u6e2c\u5b9a\u3067\u304d\u306a\u3044\u306e\u3067\u624b\u5143\u306b\u3042\u308b\u4fe1\u53f7\u767a\u751f\u5668\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002 \u3000\u767a\u632f\u5668\u306e\u30ec\u30d9\u30eb\u3068\u30ec\u30d9\u30eb\u8a08\u306e\u8aad\u307f\u306f\u3042\u3063\u3066\u3044\u308b … <\/p>\n

“RTL2832U+DS-DT305BK\u6539+SDR#\u306eDirect Sampling Mode\u306e\u611f\u5ea6\u6e2c\u5b9a” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[2],"tags":[],"class_list":["post-4893","post","type-post","status-publish","format-standard","hentry","category-xoops"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t