{"id":900496,"date":"2023-02-10T15:01:59","date_gmt":"2023-02-10T07:01:59","guid":{"rendered":"https:\/\/www.bihec.com\/stanford-research-systems\/?p=900496"},"modified":"2023-02-10T15:01:59","modified_gmt":"2023-02-10T07:01:59","slug":"srs-dg645%e6%95%b0%e5%ad%97%e8%84%89%e5%86%b2%e5%bb%b6%e8%bf%9f%e5%8f%91%e7%94%9f%e5%99%a8srs-digital-delay-generator-dg645","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/stanford-research-systems\/srs-dg645%e6%95%b0%e5%ad%97%e8%84%89%e5%86%b2%e5%bb%b6%e8%bf%9f%e5%8f%91%e7%94%9f%e5%99%a8srs-digital-delay-generator-dg645\/","title":{"rendered":"SRS DG645\u6570\u5b57\u8109\u51b2\u5ef6\u8fdf\u53d1\u751f\u5668,SRS Digital Delay Generator DG645"},"content":{"rendered":"<p><a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/srs-dg645\/\" title=\"View all posts in SRS DG645\" target=\"_blank\">SRS DG645<\/a>\u6570\u5b57\u8109\u51b2\u5ef6\u8fdf\u53d1\u751f\u5668,SRS Digital Delay Generator DG645<\/p>\n<p>\u00b74\u8def\u8109\u51b2\u4fe1\u53f7\uff0c8\u8def\u5ef6\u65f6\u8f93\u51fa<\/p>\n<p>\u00b7&lt; 25ps RMS\u6296\u52a8<\/p>\n<p>\u00b7\u89e6\u53d1\u901f\u738710MHz<\/p>\n<p>\u00b7\u7cbe\u5ea6\u7387\u53d1\u751f\u5668<\/p>\n<p>\u00b7\u6613\u4e8e\u4e0e80MHz\u6a21\u5f0f\u9501\u5b9a\u6fc0\u5149\u5668<\/p>\n<p>\u00b7\u5feb\u901f\u8fc7\u6e21\u65f6\u95f4<\/p>\n<p>\u00b7\u52a0\u70ed\u6676\u4f53\u6216Rb\u65f6\u57fa(opt.)<\/p>\n<p>\u00b7\u4ee5\u592a\u7f51\u3001GPIB\u3001RS-232\u63a5\u53e3<\/p>\n<p class=\"ProdPgTITLESc2021\"><a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/stanford-research\/\" title=\"View all posts in Stanford research\" target=\"_blank\">Stanford research<\/a> system <a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/dg645%e6%95%b0%e5%ad%97%e5%bb%b6%e8%bf%9f%e5%8f%91%e7%94%9f%e5%99%a8\/\" title=\"View all posts in DG645\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668\" target=\"_blank\">DG645\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668<\/a><\/p>\n<p class=\"Text2021\">DG645 \u662f\u4e00\u6b3e\u591a\u529f\u80fd\u6570\u5b57\u5ef6\u8fdf\/\u8109\u51b2\u53d1\u751f\u5668\uff0c\u53ef\u63d0\u4f9b\u7cbe\u786e\u5b9a\u4e49\u7684\u8109\u51b2\uff0c\u91cd\u590d\u9891\u7387\u9ad8\u8fbe 10 MHz\u3002\u4e0e\u65e7\u8bbe\u8ba1\u76f8\u6bd4\uff0c\u8be5\u4eea\u5668\u63d0\u4f9b\u4e86\u591a\u9879\u6539\u8fdb\u2014\u2014\u66f4\u4f4e\u7684\u6296\u52a8\u3001\u66f4\u9ad8\u7684\u7cbe\u5ea6\u3001\u66f4\u5feb\u7684\u89e6\u53d1\u901f\u7387\u548c\u66f4\u591a\u7684\u8f93\u51fa\u3002DG645 \u8fd8\u5177\u6709\u4ee5\u592a\u7f51\u3001GPIB \u548cRS-232\u63a5\u53e3\uff0c\u7528\u4e8e\u4eea\u5668\u7684\u8ba1\u7b97\u673a\u6216\u7f51\u7edc\u63a7\u5236\u3002<\/p>\n<p class=\"TextTITLESb2021\">\u5ef6\u8fdf\u53d1\u751f\u5668\u65f6\u5e8f<\/p>\n<div class=\"w3-hide-small\">\n<table width=\"350\" cellpadding=\"20\" align=\"right\">\n<tbody>\n<tr class=\"firstRow\">\n<td><img src=\"https:\/\/www.thinksrs.com\/images\/instr\/dg645\/DG645_TIMING.gif\" \/><\/p>\n<h2 class=\"BlueText2021\" align=\"center\">\u65f6\u5e8f\u56fe<\/h2>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"Text2021\">\u6240\u6709<a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/%e6%95%b0%e5%ad%97%e5%bb%b6%e8%bf%9f%e5%8f%91%e7%94%9f%e5%99%a8\/\" title=\"View all posts in \u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668\" target=\"_blank\">\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668<\/a>\u90fd\u901a\u8fc7\u8ba1\u7b97\u5feb\u901f\u65f6\u949f\uff08\u901a\u5e38\u4e3a 100 MHz\uff09\u7684\u5468\u671f\u6765\u6d4b\u91cf\u65f6\u95f4\u95f4\u9694\u3002\u5927\u591a\u6570\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668\u8fd8\u5177\u6709\u8f83\u77ed\u7684\u53ef\u7f16\u7a0b\u6a21\u62df\u5ef6\u8fdf\uff0c\u4ee5\u5b9e\u73b0\u6bd4\u65f6\u949f\u5468\u671f\u66f4\u7cbe\u7ec6\u7684\u65f6\u95f4\u95f4\u9694\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u5982\u679c\u89e6\u53d1\u5668\u4e0e\u65f6\u949f\u4e0d\u540c\u6b65\uff0c\u5219\u53ef\u80fd\u4f1a\u51fa\u73b0\u4e00\u4e2a\u65f6\u949f\u5468\u671f\u7684\u65f6\u5e8f\u4e0d\u786e\u5b9a\u6027\uff08\u901a\u5e38\u4e3a 10 ns\uff09\u3002<\/p>\n<p class=\"Text2021\">DG645 \u901a\u8fc7\u6d4b\u91cf\u89e6\u53d1\u5668\u76f8\u5bf9\u4e8e\u5185\u90e8\u65f6\u949f\u7684\u65f6\u5e8f\u5e76\u8865\u507f\u6a21\u62df\u5ef6\u8fdf\u6765\u6d88\u9664\u65f6\u5e8f\u4e0d\u786e\u5b9a\u6027\u3002\u8fd9\u79cd\u65b9\u6cd5\u5c06\u6296\u52a8\u964d\u4f4e\u4e86\u5927\u7ea6 100 \u500d\uff0c\u5e76\u5141\u8bb8\u5185\u90e8\u901f\u7387\u53d1\u751f\u5668\u4ee5\u4efb\u4f55\u901f\u7387\u8fd0\u884c\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u65f6\u949f\u9891\u7387\u7684\u7ea6\u6570\u3002<\/p>\n<p class=\"TextTITLESb2021\">\u89e6\u53d1<\/p>\n<p class=\"Text2021\">DG645 \u6709\u591a\u79cd\u89e6\u53d1\u6a21\u5f0f\u3002\u5177\u6709\u5c0f\u4e8e 100 ps \u5468\u671f\u6296\u52a8\u7684\u5185\u90e8\u901f\u7387\u53d1\u751f\u5668\u53ef\u4ee5\u8bbe\u7f6e\u4e3a 100 \u00b5Hz \u81f3 10 MHz\uff0c\u5206\u8fa8\u7387\u4e3a 1 \u00b5Hz\u3002\u5177\u6709\u53ef\u8c03\u9608\u503c\u548c\u659c\u7387\u7684\u5916\u90e8\u89e6\u53d1\u8f93\u5165\u53ef\u4ee5\u89e6\u53d1\u5b9a\u65f6\u5468\u671f\u3001\u5468\u671f\u7a81\u53d1\u6216\u5355\u6b21\u89e6\u53d1\u3002\u53ef\u4ee5\u901a\u8fc7\u6309\u952e\u89e6\u53d1\u5355\u6b21\u5c04\u51fb\u3002\u7ebf\u8def\u89e6\u53d1\u5668\u4e0e\u4ea4\u6d41\u7535\u6e90\u540c\u6b65\u8fd0\u884c\u3002\u540e\u9762\u677f\u89e6\u53d1\u5668\u7981\u6b62\u8f93\u5165\u53ef\u4ee5\u5728\u5b9a\u65f6\u5468\u671f\u5185\u7981\u7528\u89e6\u53d1\u5668\u6216\u4efb\u4f55\u8109\u51b2\u8f93\u51fa\u3002<\/p>\n<p class=\"Text2021\">DG645 \u901a\u8fc7\u89e6\u53d1\u91ca\u6291\u548c\u9884\u5206\u9891\u529f\u80fd\u652f\u6301\u8bb8\u591a\u590d\u6742\u7684\u89e6\u53d1\u8981\u6c42\u3002<\/p>\n<p class=\"Text2021\">\u89e6\u53d1\u91ca\u6291\u8bbe\u7f6e\u8fde\u7eed\u89e6\u53d1\u4e4b\u95f4\u7684\u6700\u77ed\u65f6\u95f4\u3002\u5982\u679c\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u89e6\u53d1\u4e8b\u4ef6\u4ea7\u751f\u663e\u7740\u7684\u566a\u58f0\u77ac\u53d8\uff0c\u5728\u751f\u6210\u4e0b\u4e00\u4e2a\u89e6\u53d1\u4e4b\u524d\u9700\u8981\u65f6\u95f4\u8870\u51cf\uff0c\u8fd9\u5c06\u975e\u5e38\u6709\u7528\u3002\u89e6\u53d1\u91ca\u6291\u4e5f\u53ef\u7528\u4e8e\u4ee5\u8f93\u5165\u89e6\u53d1\u901f\u7387\u7684\u7ea6\u6570\u6765\u89e6\u53d1 DG645\u3002<\/p>\n<div class=\"w3-hide-small\">\n<table width=\"295\" cellpadding=\"20\" align=\"right\">\n<tbody>\n<tr class=\"firstRow\">\n<td><img src=\"https:\/\/www.thinksrs.com\/images\/instr\/dg645\/DG645_4PULSES.jpg\" \/><\/p>\n<h2 class=\"BlueText2021\" align=\"center\">\u524d\u9762\u677f\u8f93\u51fa<\/h2>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"Text2021\">\u89e6\u53d1\u9884\u5206\u9891\u4f7f DG645 \u80fd\u591f\u4e0e\u66f4\u5feb\u7684\u6e90\u540c\u6b65\u89e6\u53d1\uff0c\u4f46\u89e6\u53d1\u9891\u7387\u662f\u539f\u59cb\u89e6\u53d1\u9891\u7387\u7684\u7ea6\u6570\u3002\u4f8b\u5982\uff0cDG645 \u53ef\u4ee5\u5728 1 kHz \u4e0b\u89e6\u53d1\uff0c\u4f46\u4e0e\u4ee5 80 MHz \u8fd0\u884c\u7684\u9501\u6a21\u6fc0\u5149\u5668\u540c\u6b65\uff0c\u901a\u8fc7\u5c06\u89e6\u53d1\u8f93\u5165\u9884\u7f29\u653e 80,000\u3002\u6b64\u5916\uff0cDG645 \u8fd8\u4e3a\u6bcf\u4e2a\u524d\u9762\u677f\u8f93\u51fa\u5305\u542b\u4e00\u4e2a\u5355\u72ec\u7684\u9884\u5206\u9891\u5668\uff0c\u4f7f\u6bcf\u4e2a\u8f93\u51fa\u80fd\u591f\u4ee5\u89e6\u53d1\u901f\u7387\u7684\u7ea6\u6570\u5de5\u4f5c\u3002<\/p>\n<p class=\"TextTITLESb2021\">\u524d\u9762\u677f\u8f93\u51fa<\/p>\n<p class=\"Text2021\">\u6709\u4e94\u4e2a\u524d\u9762\u677f\u8f93\u51fa\uff1aT\u00a00\u3001AB\u3001CD\u3001EF \u548c GH\u3002T\u00a00\u8f93\u51fa\u5728\u5b9a\u65f6\u5468\u671f\u5185\u88ab\u7f6e\u4f4d\u3002T\u00a00 \u7684\u524d\u6cbf\u662f\u96f6\u65f6\u95f4\u53c2\u8003\u3002\u7f16\u7a0b\u5ef6\u8fdf\uff08A\u3001B\u3001C\u3001D\u3001E\u3001F\u3001G \u548c H\uff09\u8bbe\u7f6e\u4e3a 0 \u79d2\u5230 2000 \u79d2\uff0c\u5206\u8fa8\u7387\u4e3a 5 ps\uff0c\u4ee5\u63a7\u5236\u56db\u4e2a\u8109\u51b2\u8f93\u51fa\u7684\u524d\u6cbf\u548c\u540e\u6cbf\u7684\u65f6\u5e8f\u3002<\/p>\n<p class=\"Text2021\">\u6bcf\u4e2a\u524d\u9762\u677f\u8f93\u51fa\u53ef\u9a71\u52a8 50 \u03a9 \u8d1f\u8f7d\u5e76\u5177\u6709 50 \u03a9 \u6e90\u963b\u6297\u3002\u8f93\u51fa\u5e45\u5ea6\u53ef\u8bbe\u7f6e\u4e3a 0.5 \u81f3 5.0 V\uff0c\u8f93\u51fa\u504f\u79fb\u8303\u56f4\u53ef\u8d85\u8fc7 \u00b12 VDC\uff0c\u4ee5\u63d0\u4f9b\u51e0\u4e4e\u4efb\u4f55\u903b\u8f91\u7535\u5e73\uff08NIM\u3001ECL\u3001PECL\u3001CMOS \u7b49\uff09\u3002\u5728\u4efb\u4f55\u8f93\u51fa\u5e45\u5ea6\u4e0b\uff0c\u8f93\u51fa\u8f6c\u6362\u65f6\u95f4\u90fd\u5c0f\u4e8e 2 ns\u3002<\/p>\n<div class=\"w3-hide-small\">\n<table width=\"295\" cellpadding=\"20\" align=\"right\">\n<tbody>\n<tr class=\"firstRow\">\n<td><img src=\"https:\/\/www.thinksrs.com\/images\/instr\/dg645\/DG645_COMBO.jpg\" \/><\/p>\n<h2 class=\"BlueText2021\" align=\"center\">\u7ec4\u5408\u8f93\u51fa<\/h2>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"TextTITLESb2021\">\u540e\u9762\u677f\u8f93\u51fa<\/p>\n<p class=\"Text2021\">\u53ef\u9009\u7684\u540e\u9762\u677f\u8f93\u51fa\u53ef\u7528\u4e8e\u652f\u6301\u5404\u79cd\u5e94\u7528\u3002\u9009\u9879 1 \u5728 5 V \u903b\u8f91\u7535\u5e73\u4e0b\u63d0\u4f9b T\u00a00\u8f93\u51fa\u548c\u516b\u4e2a\u7f16\u7a0b\u5ef6\u8fdf\uff08A\u3001B\u3001C\u3001D\u3001E\u3001F\u3001G \u548c H\uff09\uff0c\u8f6c\u6362\u65f6\u95f4\u5c0f\u4e8e 1 ns\u3002\u9009\u9879 2 \u63d0\u4f9b\u8fd9\u4e9b\u76f8\u540c\u7684\u8f93\u51fa\uff0c\u4f46\u4f5c\u4e3a 30 V\u3001100 ns \u8109\u51b2\uff0c\u8f6c\u6362\u65f6\u95f4\u5c0f\u4e8e 5 ns\uff0c\u7528\u4e8e\u9ad8\u566a\u58f0\u73af\u5883\u4e2d\u7684\u65f6\u5e8f\u5206\u5e03\u3002\u9009\u9879 3 \u63d0\u4f9b 8 \u4e2a\u7ec4\u5408\u8f93\u51fa\uff0c\u53ef\u63d0\u4f9b 5 V \u903b\u8f91\u7535\u5e73\u7684 1 \u5230 4 \u4e2a\u8109\u51b2\uff0c\u8f6c\u6362\u65f6\u95f4\u5c0f\u4e8e 1 ns\u3002\u6bcf\u4e2a\u8f93\u51fa\u90fd\u6709\u4e00\u4e2a 50 \u03a9 \u7684\u6e90\u963b\u6297\u3002<\/p>\n<p class=\"TextTITLESb2021\">\u65f6\u57fa<\/p>\n<p class=\"Text2021\">\u6807\u51c6\u65f6\u57fa\u7684\u7cbe\u5ea6\u4e3a 5 ppm\uff0c\u6296\u52a8\u4e3a10\u00a0-8\uff0c\u9002\u7528\u4e8e\u8bb8\u591a\u5e94\u7528\u3002\u5bf9\u4e8e\u9700\u8981\u66f4\u597d\u7684\u901f\u7387\u548c\u5ef6\u8fdf\u7cbe\u5ea6\u6216\u964d\u4f4e\u901f\u7387\u548c\u5ef6\u8fdf\u6296\u52a8\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u53ef\u9009\u7684\u65f6\u57fa\u3002<\/p>\n<p class=\"Text2021\">\u5bf9\u4e8e\u6807\u51c6\u65f6\u57fa\uff0c1 s \u5ef6\u8fdf\u7684\u8ba1\u65f6\u8bef\u5dee\u53ef\u9ad8\u8fbe 5 \u00b5s\uff0cOCXO \u65f6\u57fa\u4e3a 200 ns\uff0c\u4f46\u94f7\u65f6\u57fa\u4ec5\u4e3a 500 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