{"id":4720,"date":"2020-02-19T14:00:34","date_gmt":"2020-02-19T05:00:34","guid":{"rendered":"http:\/\/aval-global.com\/?p=4720"},"modified":"2020-02-19T18:03:56","modified_gmt":"2020-02-19T09:03:56","slug":"%ea%b3%a0%ec%86%8d-%ea%b3%a0%ec%84%b1%eb%8a%a5-%eb%94%94%ec%a7%80%ed%83%80%ec%9d%b4%ec%a0%80-%eb%b3%b4%eb%93%9c-%ec%84%a0%ed%83%9d%ec%9d%84-%ec%9c%84%ed%95%9c-%ed%95%b5%ec%8b%ac%ec%9a%94%ec%86%8c","status":"publish","type":"post","link":"https:\/\/aval-global.com\/?p=4720&lang=ko","title":{"rendered":"\uace0\uc18d, \uace0\uc131\ub2a5 \ub514\uc9c0\ud0c0\uc774\uc800 \uc120\ud0dd\uc744 \uc704\ud55c \ud575\uc2ec\uc694\uc18c"},"content":{"rendered":"

\uc624\ub298\uc740 \uba38\uc2e0\ube44\uc83c \uc5c5\uacc4\uc5d0\uc11c\ub294 \ub2e4\uc18c \uc0dd\uc18c\ud558\uac8c \ub290\uaef4\uc9c8 \uc218\ub3c4 \uc788\ub294 \uc544\ub0a0\ub85c\uadf8 \uc785\ucd9c\ub825 \uc778\ud130\ud398\uc774\uc2a4 \ubcf4\ub4dc\uc5d0 \ub300\ud574 \uc18c\uac1c \ud558\ub824\uace0 \ud569\ub2c8\ub2e4.<\/p>\n

\uc77c\ubc18\uc801\uc73c\ub85c \uc8fc\ubcc0\uc5d0\uc11c \uc27d\uac8c \uc774\uc6a9\ub418\ub294 \uc628\ub3c4, \uc555\ub825, \uc720\ub7c9, \uc9c4\ub3d9 \ub4f1\uc744 \uacc4\uce21\ud558\ub294 \uc13c\uc11c\ub294 \uc544\ub0a0\ub85c\uadf8 \uc2e0\ud638\ub97c \ucd9c\ub825\ud558\uace0, \uc81c\uc5b4\ub97c \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uc561\ucd94\uc5d0\uc774\ud130\ub3c4 \uc544\ub0a0\ub85c\uadf8 \uc2e0\ud638\ub85c \ub3d9\uc791 \ub418\ub294 \uac83\uc774 \ub300\ubd80\ubd84\uc785\ub2c8\ub2e4.\u00a0\uadf8\ub798\uc11c \uacc4\uce21, \uac80\uc0ac \ub4f1\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 PC\uc5d0\uc11c \uc774\ub7f0 \uc544\ub0a0\ub85c\uadf8 \uc2e0\ud638\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc544\ub0a0\ub85c\uadf8 \uc2e0\ud638\ub97c \ub514\uc9c0\ud138 \uc2e0\ud638\ub85c \ubcc0\ud658\ud558\uae30 \uc704\ud55c \uc7a5\uce58\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774\ub7f0 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub418\uace0 \uc788\ub294 \ub2f9\uc0ac\uc758 \uace0\uc18d, \uace0\uc131\ub2a5 \ub514\uc9c0\ud0c0\uc774\uc800 \ubcf4\ub4dc(ADC \ubcf4\ub4dc)\uc5d0 \ub300\ud574 \uc18c\uac1c\ud558\uace0, \ub514\uc9c0\ud0c0\uc774\uc800 \ubcf4\ub4dc \uc120\uc815 \uc2dc \uc911\uc694\ud55c \uc694\uc18c\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

AVALDATA\uc758 \uace0\uc18d \ub514\uc9c0\ud0c0\uc774\uc800\ubcf4\ub4dc (Express Converter)\uc2dc\ub9ac\uc988\ub294 200MSps~3GSps \uc601\uc5ed\uc758 \uc0d8\ud50c\ub9c1 \uc18d\ub3c4\uac00 \uc694\uad6c\ub418\ub294 \uacc4\uce21\uae30\uae30, \uac80\uc0ac\uae30\uae30, \ud1b5\uc2e0\uae30\uae30 \uc6a9\uc73c\ub85c \uac1c\ubc1c\ub41c \uc81c\ud488\uc73c\ub85c, \uace0\uc18d ADC \ub514\ubc14\uc774\uc2a4\uc640 \ub2f9\uc0ac\uc758 PCI Express IP \ucf54\uc5b4 \uae30\uc220\uc758 \uc870\ud569\uc744 \ud1b5\ud574 \ub370\uc774\ud130 \ub204\ub77d \uc5c6\uc774 \uace0\uc18d\uc73c\ub85c \uc0d8\ud50c\ub9c1\ub41c \ub370\uc774\ud130\ub97c PC\ub85c \uc804\uc1a1\ud569\ub2c8\ub2e4. \uc77c\ubd80 \ubaa8\ub378\uc740 \ubcf4\ub4dc\uc5d0 \ud0d1\uc7ac\ub41c FPGA\uc758 \uc77c\ubd80\ub97c \uace0\uac1d\uc5d0\uac8c \uc624\ud508 \ud558\uc5ec, \uc0ac\uc6a9\uc790\uc758 \ud3b8\uc758\uc5d0 \ub9de\ucd98 \ucee4\uc2a4\ud130\ub9c8\uc774\uc9d5\ub3c4 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n

1. \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc640 \ub514\uc9c0\ud0c0\uc774\uc800\uc758 \ube44\uad50<\/strong><\/h3>\n

\uc6b0\uc120 \ub514\uc9c0\ud0c0\uc774\uc800 \ubcf4\ub4dc\ub97c \ucc98\uc74c \uc811\ud558\ub294 \ubd84\ub4e4\uc758 \uc774\ud574\ub97c \ub3d5\uae30 \uc704\ud574 \uc0b0\uc5c5\uc6a9 \uacc4\uce21 \ubd84\uc57c\uc5d0\uc11c \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub294 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc640 \ube44\uad50\ud574 \ud2b9\uc9d5\uacfc \uc7a5\/\ub2e8\uc810\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

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\uadf8\ub9bc1. \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504<\/p><\/div>\n

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\uadf8\ub9bc2. \ub514\uc9c0\ud0c0\uc774\uc800<\/p><\/div>\n

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\uadf8\ub9bc1.\uc758 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\ub294 \uc8fc\ub85c \uc804\uc790\ud68c\ub85c\uc758 \ud2b8\ub7ec\ube14\uc288\ud305\uc744 \uc704\ud574 \uc0ac\uc6a9\ub418\uba70,\u00a0\u00a0\ucd5c\uadfc \uc804\uc790\ud68c\ub85c\uc758 \uace0\uc18d\ud654\uc5d0 \ub530\ub77c \uc0d8\ud50c\ub9c1 \uc18d\ub3c4 100GSps\uc774\uc0c1\uc758 \uace0\uc18d \ubaa8\ub378\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ubd84\ud574\ub2a5\uc740 \ub300\ubd80\ubd84 8bit\ub85c \ub0ae\uc73c\uba70 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud55c \ud0c0\uc774\ubc0d\uc758 \ud30c\ud615 \uc815\ubcf4\ub97c \ud655\uc778\ud558\ub294 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.\u00a0\ub2e4\ub9cc, \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc758 \uacbd\uc6b0 \uc678\ubd80\ub85c \uc5f0\uacb0\ud560 \uc218 \uc788\ub294 \uc778\ud130\ud398\uc774\uc2a4\uac00 \uc5c6\uc5b4 \ub370\uc774\ud130\ub97c \uc678\ubd80\ub85c \uc804\uc1a1\ud558\ub294 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n

\uadf8\ub9bc2\uc758 \ubcf4\ub4dc\ub294 \ub2f9\uc0ac\uc758 PCI Express \ud0c0\uc785\uc758 \ub514\uc9c0\ud0c0\uc774\uc800 \uc81c\ud488\uc73c\ub85c PC\uc5d0 \uc7a5\ucc29\ud558\uc5ec \uc0ac\uc6a9\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.\u00a0\uc0d8\ud50c\ub9c1 \uc18d\ub3c4\ub294 200M~3Gsps\uc815\ub3c4 \ub808\ubca8\uc774\uc9c0\ub9cc 12~16bit\uc758 \uace0\ubd84\ud574\ub2a5\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 \ub192\uc740 SNR\uc774 \ud544\uc694\ud55c \uc2e0\ud638\ubd84\uc11d\uc5d0 \uc801\ud569\ud55c \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uace0\uc18d \uc778\ud130\ud398\uc774\uc2a4\ub97c \uac00\uc9c0\uace0 \uc788\uc5b4 \ub370\uc774\ud130\ub97c \uc5f0\uc18d\uc801\uc73c\ub85c \uc678\ubd80\ub85c \uc804\uc1a1 \ud560 \uc218 \uc788\uc5b4, \uac80\uc0ac\uc7a5\uce58, \uacc4\uce21\uc7a5\uce58, \uc601\uc0c1\ubd84\uc11d\uc7a5\uce58 \ub4f1 \ub9ce\uc740 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub418\uace0 \uc788\ub2e4.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\uad6c\ubd84<\/span><\/strong><\/td>\n\uc624\uc2e4\ub85c\uc2a4\ucf54\ud504<\/span><\/strong><\/td>\n\ub514\uc9c0\ud0c0\uc774\uc800<\/span><\/strong><\/td>\n<\/tr>\n
\uc0d8\ud50c\ub9c1 \uc18d\ub3c4<\/td>\n20MSps ~ 100GSps \uc774\uc0c1<\/td>\n20MSps ~ 3.6GSps<\/td>\n<\/tr>\n
\ubd84\ud574\ub2a5<\/td>\n8bit(\ub610\ub294 12bit)<\/td>\n12~16bit<\/td>\n<\/tr>\n
\ucc44\ub110 \uc218<\/td>\n2~4\ucc44\ub110<\/td>\n2~4\ucc44\ub110<\/td>\n<\/tr>\n
\uc785\ub825 \uc784\ud53c\ub358\uc2a4<\/td>\n50\u03a9\/1M\u03a9\/10M\u03a9<\/td>\n50\u03a9\/1M\u03a9<\/td>\n<\/tr>\n
\uc785\ub825\ubc94\uc704<\/td>\n\uac00\ubcc0<\/td>\n\uace0\uc815(\uac00\ubcc0 \uac00\ub2a5\ud55c \ubaa8\ub378\ub3c4 \uc788\uc74c)<\/td>\n<\/tr>\n
Probe<\/td>\n\uc9c0\uc6d0<\/td>\n\uc9c0\uc6d0\uc548\ud568<\/td>\n<\/tr>\n
\ub370\uc774\ud130 \uc804\uc1a1\uc18d\ub3c4<\/td>\n\uc800\uc18d<\/td>\n\uace0\uc18d<\/td>\n<\/tr>\n
\ucee4\uc2a4\ud130\ub9c8\uc774\uc9d5<\/td>\n\uc5b4\ub824\uc6c0<\/td>\n\uac00\ub2a5<\/td>\n<\/tr>\n
Application S\/W<\/td>\n\ud45c\uc900 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubc0f \uc635\uc158<\/td>\n\uc0ac\uc6a9\uc790 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub9de\ucdb0 \uc124\uacc4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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2. \ub514\uc9c0\ud0c0\uc774\uc800 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc640 \ub514\uc9c0\ud0c0\uc774\uc800 \ubcf4\ub4dc\uc758 \ube44\uad50<\/strong><\/h3>\n

\uc0d8\ud50c\ub9c1 \uc18d\ub3c4\uc640 \uc2e0\ud638 \ub300\uc5ed\ud3ed\uc744 \uae30\uc900\uc73c\ub85c \ub514\uc9c0\ud0c0\uc774\uc800\ub97c \uc120\uc815\ud560 \uacbd\uc6b0, \uc785\ub825\ud560 \uc218 \uc788\ub294 \uc8fc\ud30c\uc218 \ubc94\uc704\ub97c \uc758\ubbf8\ud558\ub294 \uc2e0\ud638 \ub300\uc5ed\ud3ed\uc774 \uc0d8\ud50c\ub9c1 \uc18d\ub3c4\ub97c \uc815\ud558\ub294 \uc911\uc694 \ud3ec\uc778\ud2b8\uac00 \ub418\uba70, \uce21\uc815\ud558\uace0\uc790 \ud558\ub294 \uc2e0\ud638\uc758 \uc8fc\ud30c\uc218\ub97c \ud655\uc778\ud558\uc5ec \uc801\uc808\ud55c \uc18d\ub3c4\uc758 \ubcf4\ub4dc\ub97c \uc120\uc815\ud558\uc2dc\uba74 \ub429\ub2c8\ub2e4. \uc774\ubc88\uc5d0\ub294 \uc0d8\ud50c\ub9c1 \uc18d\ub3c4\uc640 \uc2e0\ud638 \ub300\uc5ed\ud3ed\uc758 \uad00\uacc4\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc0d8\ud50c\ub9c1 Rate : 200MSps<\/strong><\/span><\/p>\n

\"\"

\uadf8\ub9bc3. \uc785\ub825\uc2e0\ud638\ub300\ube44 \uc0d8\ud50c\ub9c1 \ud30c\ud615<\/p><\/div>\n

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\uc0c1\uae30 \uadf8\ub798\ud504\ub4e4\uc740 \ub2f9\uc0ac\uc758 \ub514\uc9c0\ud0c0\uc774\uc800\ub97c \uc0ac\uc6a9\ud558\uc5ec 200Msps \uc0d8\ud50c\ub9c1\uc18d\ub3c4\uc5d0\uc11c 5\uac00\uc9c0\uc758 \ub2e4\ub978 \uc785\ub825\uc2e0\ud638 (10Mhz, 50Mhz, 100Mhz, 150Mhz, 190Mhz)\ub97c \uc0d8\ud50c\ub9c1\ud55c \ud30c\ud615\uc774\uba70, \ub514\uc9c0\ud0c0\uc774\uc800\uc758 \uc2e0\ud638 \ub300\uc5ed\ud3ed\uc740 DC~200MHz\ub85c \uc124\uc815\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc0d8\ud50c\ub9c1 \uc18d\ub3c4 \ub300\ube44 \uc785\ub825\uc2e0\ud638\uac00 1\/20\uc5d0 \ud574\ub2f9\ud558\ub294 Case1(10MHz)\uc640 Case5(190MHz)\uc5d0\uc11c\ub294 \uc2e0\ud638 \uc7ac\ud604\uc131\uc774 \ub192\uace0 \uc2e0\ud638\uc758 \uc9c4\ud3ed\ub3c4 \ub208\uc73c\ub85c \ud655\uc778 \ud560 \uc218 \uc788\uc73c\uba70 \uc774 \ub450 \uc785\ub825 \uc2e0\ud638\uc758 \ud30c\uc7a5\uc774 \uc77c\uce58\ud568\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74\uc5d0, 1\/4\uc5d0 \ud574\ub2f9\ud558\ub294 Case2(50MHz)\uc640 1\/2\uc5d0 \ud574\ub2f9\ud558\ub294 Case3(100MHz)\uc5d0\uc11c\ub294 \uc2e0\ud638\uc758 \uc7ac\ud604\uc131\uc774 \ub0ae\uace0 \ubcf8\ub798 \uc2e0\ud638\uc758 \uc0c1\ud0dc\ub97c \ub208\uc73c\ub85c \ud655\uc778\ud558\uae30 \uc5b4\ub824\uc6cc\uc9c0\uace0, \uc2e0\ud638\uc18d\ub3c4\ub97c 150MHz \uc62c\ub9ac\uba74(Case4) \uc2e0\ud638\uc758 \uc9c4\ud3ed\uc774 \uc644\uc804\ud788 \uc5c6\uc5b4\uc9c0\uba70 50MHz\uc758 \uc2e0\ud638\ub97c \uc0d8\ud50c\ub9c1 \ud55c \uac83\uacfc \ube44\uc2b7\ud558\uac8c \ub418\ub294 \ud604\uc0c1\uc774 \uc77c\uc5b4\ub0a9\ub2c8\ub2e4.<\/p>\n

3. \uace0\uc18d \ud478\ub9ac\uc5d0 \ubcc0\ud658(Fast Fourier Transform)<\/strong><\/h3>\n

\uc0c1\uae30 \ud14c\uc2a4\ud2b8\ub294 \uace0\uc18d \ud478\ub9ac\uc5d0 \ubcc0\ud658\uc744 \uc2e4\ud589\ud574 \ubcf4\uba74 \uc880 \ub354 \uc790\uc138\ud55c \ubd84\uc11d\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.
\n\uc0d8\ud50c\ub9c1 \uc18d\ub3c4 200MHz\uc5d0\uc11c, \uc785\ub825\uc2e0\ud638\ub97c 190MHz\ub85c \ud558\uba74 \ub9e8 \uc55e\uc758 10MHz \uc9c0\uc810\uc5d0 \uc6d0\ub798 \uc5c6\ub358 \uc8fc\ud30c\uc218\uac00 \ub098\ud0c0\ub098\uac8c \ub429\ub2c8\ub2e4.
\n\uc774\ub7f0 \uad00\uacc4\ub294 \uc0d8\ud50c\ub9c1 \uc18d\ub3c4\uc758 1\/2\uc8fc\ud30c\uc218, \uc0d8\ud50c\ub9c1 \uc8fc\ud30c\uc218 \ubd80\ubd84\uc744 \uc548\ucabd, \ubc14\uae65\ucabd\uc73c\ub85c \uc811\uc5b4 \ub098\uac00\ub294 \uac83\uacfc \uac19\uc774 \ubcf5\uc81c\ub429\ub2c8\ub2e4.
\n\uc774\ub7f0 \ubcf5\uc81c\ub294 \ub17c\ub9ac\uc0c1\uc73c\ub85c \ub192\uc740 \uc8fc\ud30c\uc218 \ubc29\ud5a5\uc73c\ub85c \ub04a\uc784\uc5c6\uc774 \uc774\uc5b4\uc9c0\uba70 \uc774\ub7f0 \ud604\uc0c1\uc744 \uc5d0\uc77c\ub9ac\uc5b4\uc2f1(Aliasing)\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n

\"\"

\uadf8\ub9bc4. FFT \ubd84\uc11d<\/p><\/div>\n

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4. \ub514\uc9c0\ud0c0\uc774\uc800\uc758 \uc8fc\uc694 \uc131\ub2a5 (APX-5360G3, 1.8GSps, 12bit \uae30\uc900)<\/strong><\/h3>\n

\ub2f9\uc0ac\uc758 \ub514\uc9c0\ud0c0\uc774\uc800 APX-5360G3 \uc0ac\uc591\uc740 \uc0d8\ud50c\ub9c1 \uc18d\ub3c4\ub294 1.8GSps, \uc2e0\ud638\ub300\uc5ed\uc740 1.8Gsps\uc758 50%\uc778 900Mhz\uc5d0\uc11c -3dB (\uc57d 30%) \uac10\uc1e0\ub418\ub294 Low pass filter\ub97c \ub0b4\uc7a5\ud558\uace0 \uc788\uc73c\uba70,\u00a0\ud0c0\uc0ac\uc758 \ub514\uc9c0\ud0c0\uc774\uc800\ub3c4 \ub3d9\uc77c\ud558\uac8c Low pass filter \ub610\ub294 Band pass filter\ub97c \uc7a5\ucc29\ud558\uc5ec Aliasing \uac10\uc1e0\ucc98\ub9ac\ub97c \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. Aliasing\uc744 \ubc29\uc9c0\ud558\ub294 \ud544\ud130\ub294 Anti-aliasing filter \ub77c\uace0 \ubd80\ub974\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n

Anti-aliasing Filter ?\u00a0<\/strong>
\nAnti-aliasing filter\uc758 Cut off \uc8fc\ud30c\uc218\uac00 \ub514\uc9c0\ud0c0\uc774\uc800 \uba54\uc774\ucee4\uc5d0 \ub530\ub77c \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0 \uce21\uc815\ud558\uace0\uc790 \ud558\ub294 \uc2e0\ud638\uc758 \uc8fc\ud30c\uc218\ubcf4\ub2e4 \uad11\ub300\uc5ed\uc758 \ub514\uc9c0\ud0c0\uc774\uc800\ub97c \uc120\uc815\ud574\uc57c\ud569\ub2c8\ub2e4. \ub2f9\uc0ac\uc758 \ub514\uc9c0\ud0c0\uc774\uc800\uc758 \uacbd\uc6b0, \ud3ed\ub113\uc740 \uace0\uac1d\uc774 \uc0ac\uc6a9 \ud560 \uc218 \uc788\ub3c4\ub85d Anti-aliasing filter\uc758 Cut off \uc8fc\ud30c\uc218, -3dB\uac00 \ub418\ub294 \uc9c0\uc810\uc744 \uac01 \ub514\uc9c0\ud0c0\uc774\uc800\uc758 Nyquist frequency(\ub098\uc774\ud034\uc2a4\ud2b8 \uc8fc\ud30c\uc218)\ub85c \uc124\uc815\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\"\"

\ud45c1. APX-5360\uc758 \uc0ac\uc591<\/p><\/div>\n

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5. \ub514\uc9c0\ud0c0\uc774\uc800\uc758 \ub178\uc774\uc988 \uc131\ub2a5 \uc9c0\ud45c<\/strong><\/h3>\n

\ub514\uc9c0\ud0c0\uc774\uc800\uc758 \ub178\uc774\uc988 \uc0ac\uc591\uc744 \ud655\uc778\ud558\ub294\ub370 4\uac00\uc9c0 \uc9c0\ud45c\uac00 \uc788\uc73c\uba70, \uac00\uc7a5 \uc6b0\uc120 \uc2dc \ud655\uc778\ud558\ub294 \uc9c0\ud45c\ub294 SNR(Signal to Noise Ratio)\uc785\ub2c8\ub2e4.<\/p>\n

    \n
  1. SNR
    \nSNR\uc740 \uc785\ub825 \uc2e0\ud638\uc640 \uadf8 \uc678 \uae30\ud0c0 \uc8fc\ud30c\uc218 \uc131\ubd84\uc758 \ube44\uc728\uc744 \uc758\ubbf8\ud558\uba70, \uace0\uc8fc\ud30c \uc131\ubd84\uc740 \ub178\uc774\uc988\uc5d0\uc11c \uc81c\uc678\ub429\ub2c8\ub2e4.
    \n\uc774\uc0c1\uc801\uc778 \uc815\ud604\ud30c\uc5d0\uc11c\ub294 \uace0\uc8fc\ud30c \uc131\ubd84\uc774 \ubc1c\uc0dd\ud558\uc9c0\ub9cc \uc2e0\ud638\uac00 \uc870\uae08\uc774\ub77c\ub3c4 \ube44\uc120\ud615\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc73c\uba74,
    \n\ubc18\ubcf5 \uc8fc\ud30c\uc218\uc640 \uace0\uc8fc\ud30c \uc131\ubd84\uc73c\ub85c \ubd84\ud574\ub418\ubbc0\ub85c \uc785\ub825\uc2e0\ud638\uc758 \uc815\ubc30\uc218\ub85c \uace0\uc8fc\ud30c\uac00 \ud45c\ud604\ub429\ub2c8\ub2e4.
    \n\uace0\uc8fc\ud30c\ub294 \uc785\ub825\uc2e0\ud638 \uc790\uccb4\uc5d0 \uc6d0\uc778\uc774 \uc788\ub2e4\uace0 \ubcf4\uae30 \ub54c\ubb38\uc5d0 \ub178\uc774\uc988 \uc131\ubd84\uc5d0\uc11c \uc81c\uc678\ud569\ub2c8\ub2e4.<\/li>\n
  2. SINAD(Signal to Noise And Distortion Ratio)
    \nSINAD\ub294 \uace0\uc8fc\ud30c\ub3c4 \ud3ec\ud568\ud55c \uc785\ub825 \uc2e0\ud638\uc640 \uadf8 \uc678 \uae30\ud0c0 \uc8fc\ud30c\uc218 \uc131\ubd84\uc758 \ube44\uc728\uc744 \uacc4\uc0b0\ud55c \uac12\uc774\uba70,
    \nSNR\ubcf4\ub2e4\ub294 \ud56d\uc0c1 \ub0ae\uc740 \uac12\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n
  3. SFDR(Spurious Free Dynamic Range)
    \nSFDR\uc740 \uc785\ub825\uc2e0\ud638\uc640 \uadf8 \ub2e4\uc74c\uc73c\ub85c \ub192\uc740 \uc8fc\ud30c\uc218\uc640\uc758 \ube44\uc728\uc744 \ub9d0\ud558\uba70 \uc785\ub825\uc2e0\ud638\uc5d0 \uae30\uc778\ud558\ub294 \uace0\uc8fc\ud30c\uc131\ubd84\ub3c4 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n
  4. ENOB(Effective number of bits)
    \nENOB\ub294 \uc720\ud6a8\ud55c \ube44\ud2b8\uc218\ub97c \ud45c\uc2dc\ud558\ub294 \uc9c0\ud45c\ub97c \uc758\ubbf8\ud558\uba70 SINAD\ub85c ENOB\ub97c \uc0b0\ucd9c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
    \nex) \uc0b0\ucd9c \uacf5\uc2dd ENOB = (SINAD – 1.76) \/ 6.02<\/li>\n<\/ol>\n

    \ud45c-1\uc5d0 \uae30\uc7ac\ub41c \uc0ac\uc591\uc5d0 \ub530\ub974\uba74 APX-5360\uc740 \ubd84\ud574\ub2a5\uc774 12bit\uc774\uba70 SNR\uac12\uc740 56.3dB\uc785\ub2c8\ub2e4.
    \n\uc785\ub825\uc2e0\ud638\uc758 \uac12\uc744 1\uc774\ub77c\uace0 \uac00\uc815\ud558\uba74 \ub178\uc774\uc988 \uc131\ubd84\uc758 \ucd1d\uacc4\ub294 0.001531\uc815\ub3c4\uac00 \ub429\ub2c8\ub2e4.<\/p>\n

     <\/p>\n

    6. \ubd84\ud574\ub2a5\uacfc SNR<\/strong><\/h3>\n

    \ubd84\ud574\ub2a5\uc774 \ub192\uc740 \ub514\uc9c0\ud0c0\uc774\uc800\ub97c \uc0ac\uc6a9\ud558\uba74 \ub192\uc740 SNR\uc744 \ud68d\ub4dd\ud560 \uc218 \uac00 \uc788\uc2b5\ub2c8\ub2e4. \uce21\uc815\ud560 \uc2e0\ud638\uc758 \uc9c4\ud3ed\uc774 \ud074 \uacbd\uc6b0\uc5d0\ub294 \ubb38\uc81c\uac00 \uc5c6\uc9c0\ub9cc, \ub514\uc9c0\ud0c0\uc774\uc800\uc758 Full scale \ub300\ube44 -40dB(\uc57d1%)\uc815\ub3c4\uc758 \ubbf8\uc138\ud55c \uc2e0\ud638\ub97c \uce21\uc815\ud560 \uacbd\uc6b0 Full scale \uc785\ub825\uc73c\ub85c -70dB\uc758 \uc131\ub2a5\uc744 \uac00\uc9c0\ub294 \ub514\uc9c0\ud0c0\uc774\uc800\ub77c\uace0 \ud558\ub354\ub77c\ub3c4 SNR\uc740 \uc785\ub825 \uc2e0\ud638 \ub300\ube44 -30dB\uc774 \ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc2e0\ud638\uc758 \ub808\ubca8\uc774 \ub178\uc774\uc988\uc640 \ube44\uad50\ud558\uc5ec 5~6dB\uc774\uc0c1 \ud06c\uc9c0 \uc54a\uc73c\uba74 \uc2e0\ud638\uc640 \ub178\uc774\uc988\uc758 \ud310\ub2e8\uc774 \uc5b4\ub835\ub2e4\uace0 \uc54c\ub824\uc838 \uc788\uc73c\ubbc0\ub85c \uce21\uc815\ud560 \uc2e0\ud638\uc758 \ub808\ubca8\uc774 \uc791\uc73c\uba74 \uc791\uc744\uc218\ub85d \ub192\uc740 SNR\uc744 \uac00\uc9c4 \ub514\uc9c0\ud0c0\uc774\uc800 \ubcf4\ub4dc\ub85c \uc8fc\ud30c\uc218 \ubd84\uc11d\uc744 \ud558\ub294 \uac83\uc774 \uc720\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n

    \n

    \uc2a4\ud329\ud2b8\ub7fc\uc758 \uac15\ub3c4\ub294 dB\uc758 \ub2e8\uc704\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. \ub514\uc9c0\ud0c0\uc774\uc800\uc5d0\uc11c\ub294 \ud574\ub2f9 \uac12\uc774 \uc785\ub825\uc2e0\ud638 \ub300\ube44 \ub178\uc774\uc988\ub7c9\uc744 \ud45c\uc2dc\ud558\ub294 \uc218\uce58\ub85c\uc11c,\u00a0-40dB\uc5d0\uc11c 1\/100, -80db\uc5d0\uc11c 1\/10,000\uacfc \ud45c\ud604\ub418\uba70 \uc218\uce58\uac00 \ud074\uc218\ub85d \uc88b\uc740 \uc131\ub2a5\uc744 \uac00\uc9d1\ub2c8\ub2e4. dB\uc758 \uacbd\uc6b0\ub294 \uc0c1\ub300\uc801\uc778 \uac12\uc73c\ub85c \uac1c\ubcc4 \uac12\uc740 \uc758\ubbf8\uac00 \uc5c6\uc73c\uba70 \ub2e4\ub978 \uac12\uacfc \ube44\uad50\ub97c \ud568\uc73c\ub85c\uc368 \ube44\ub85c\uc18c \uc758\ubbf8\uac00 \uc0dd\uae41\ub2c8\ub2e4.<\/p>\n<\/div>\n

    \"\"

    \uadf8\ub9bc5. \uc8fc\ud30c\uc218 \uc2a4\ud399\ud2b8\ub7fc<\/p><\/div>\n

    \ub370\uc2dc\ubca8(dB) \ud45c\uae30<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \ubc30\uc728<\/span><\/td>\n\uc804\uc555\ube44<\/span><\/td>\n<\/tr>\n
    1<\/td>\n0.00dB<\/td>\n<\/tr>\n
    1\/2<\/td>\n-6.02dB<\/td>\n<\/tr>\n
    1\/3<\/td>\n-9.54dB<\/td>\n<\/tr>\n
    1\/4<\/td>\n-12.04dB<\/td>\n<\/tr>\n
    1\/5<\/td>\n-13.98dB<\/td>\n<\/tr>\n
    1\/10<\/td>\n-20.00dB<\/td>\n<\/tr>\n
    1\/50<\/td>\n-33.98dB<\/td>\n<\/tr>\n
    1\/100<\/td>\n-40.00dB<\/td>\n<\/tr>\n
    1\/500<\/td>\n-53.98dB<\/td>\n<\/tr>\n
    1\/1,000<\/td>\n-60.00dB<\/td>\n<\/tr>\n
    1\/5,000<\/td>\n-73.98dB<\/td>\n<\/tr>\n
    1\/10,000<\/td>\n-80.00dB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

     <\/p>\n

     <\/p>\n

    PCI Express \uc778\ud130\ud398\uc774\uc2a4\ub97c \ucc44\uc6a9\ud558\uace0 \uc788\ub294 \uc194\ub8e8\uc158\uc5d0\uc11c\ub294 \uc55e\uc73c\ub85c\ub3c4 \uace0\uc18d\ud654\uac00 \uc9c4\ud589\ub420 \uac83\uc784\uc774 \ud2c0\ub9bc\uc5c6\uc744 \uac83\uc785\ub2c8\ub2e4. PCI Express \ub294 \ud604\uc7ac 2.0\uc5d0\uc11c 3.0, 4.0\uc73c\ub85c \uba54\ubaa8\ub9ac\ub294 DDR4\uc5d0\uc11c DDR5\ub85c \uc9c4\ud654\ud558\uace0 \uc788\uc73c\uba70 \ub2f9\uc0ac\uc758 \ub514\uc9c0\ud0c0\uc774\uc800\ub3c4 ADC\uac00 5GSps\uac00 \ub118\ub294 \uc81c\ud488\uc744 \uac1c\ubc1c\uc911\uc774\uba70, 500Mhz, 16bit\uc5d0 4\ucc44\ub110\uc744 \ub3d9\uc2dc\uc5d0 \uc0d8\ud50c\ub9c1 \uac00\ub2a5\ud55c \uc81c\ud488(APX-5056, \uc81c\ud488 \ubcf4\ub7ec\uac00\uae30<\/a>)\ub3c4 \ucd5c\uadfc\u00a0 \ucd9c\uc2dc\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ud5a5\ud6c4 \uace0\uc131\ub2a5 \ub514\uc9c0\ud0c0\uc774\uc800\ub97c \uac80\ud1a0\ud558\uc2e4 \uacbd\uc6b0\uc5d0\ub294 \uc774\ubc88 \ud3ec\uc2a4\ud305\uc5d0\uc11c \uc18c\uac1c\ud55c \uc131\ub2a5\uc774\uc678\uc5d0\ub3c4 \uc2e0\ud638\uac04\uc758 \ub3d9\uae30 \uc624\ucc28, \uc678\ubd80 \ud074\ub7ed\uc758 \uc0ac\uc6a9\ubc29\ubc95, FPGA\uc5d0 \uc758\ud55c \uc2e0\ud638\ucc98\ub9ac\uc758 \ud544\uc694\uc131 \ub4f1\uc744 \uace0\ub824\ud558\uc5ec \uc0ac\uc6a9\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \uc81c\ud488\uc744 \uc120\uc815\ud558\uc2dc\uae30\ub9ac\ub97c \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \uc624\ub298\uc740 \uba38\uc2e0\ube44\uc83c \uc5c5\uacc4\uc5d0\uc11c\ub294 \ub2e4\uc18c \uc0dd\uc18c\ud558\uac8c \ub290\uaef4\uc9c8 \uc218\ub3c4 \uc788\ub294 \uc544\ub0a0\ub85c\uadf8 \uc785\ucd9c\ub825 […]<\/p>\n","protected":false},"author":3,"featured_media":3863,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[240],"tags":[248],"class_list":["post-4720","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-adc"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/aval-global.com\/index.php?rest_route=\/wp\/v2\/posts\/4720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aval-global.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aval-global.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aval-global.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/aval-global.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4720"}],"version-history":[{"count":31,"href":"https:\/\/aval-global.com\/index.php?rest_route=\/wp\/v2\/posts\/4720\/revisions"}],"predecessor-version":[{"id":4781,"href":"https:\/\/aval-global.com\/index.php?rest_route=\/wp\/v2\/posts\/4720\/revisions\/4781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aval-global.com\/index.php?rest_route=\/wp\/v2\/media\/3863"}],"wp:attachment":[{"href":"https:\/\/aval-global.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aval-global.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aval-global.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}