{"id":189,"date":"2024-09-07T18:13:02","date_gmt":"2024-09-07T10:13:02","guid":{"rendered":"https:\/\/www.bihec.com\/think-srs\/?p=189"},"modified":"2024-09-07T18:13:02","modified_gmt":"2024-09-07T10:13:02","slug":"dg645","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/think-srs\/dg645\/","title":{"rendered":"SRS,Stanford Research Systems,DG645,\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668,\u4f4e\u6296\u52a8\u5ef6\u8fdf\u53d1\u751f\u5668"},"content":{"rendered":"
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SRS<\/a>,Stanford Research Systems<\/a>,DG645<\/a>,\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668<\/a>,\u4f4e\u6296\u52a8\u5ef6\u8fdf\u53d1\u751f\u5668<\/a><\/strong><\/p>\n

\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668<\/strong> DG645 \u2014 \u4f4e\u6296\u52a8\u5ef6\u8fdf\u53d1\u751f\u5668\uff0c4\u4e2a\u8109\u51b2\u8f93\u51fa<\/strong> 8\u4e2a\u5ef6\u8fdf\u8f93\u51fa\uff08\u53ef\u9009\uff09<\/strong> \u6296\u52a8\u5c0f\u4e8e25 ps rms<\/strong> \u89e6\u53d1\u9891\u7387\u9ad8\u8fbe10 MHz<\/strong> \u7cbe\u786e\u7684\u9891\u7387\u53d1\u751f\u5668<\/strong> \u5feb\u901f\u8f6c\u6362\u65f6\u95f4<\/strong> \u53ef\u9009\uff1a\u70e4\u7089\u6216\u94f7\u57fa\u51c6\u65f6\u95f4\u6e90<\/strong> \u4ee5\u592a\u7f51\u3001GPIB \u548c RS-232<\/strong><\/p>\n

\u6982\u8ff0<\/strong><\/p>\n

DG645 \u662f\u4e00\u6b3e\u591a\u529f\u80fd\u7684\u6570\u5b57\u5ef6\u8fdf\/\u8109\u51b2\u53d1\u751f\u5668\uff0c\u80fd\u591f\u63d0\u4f9b\u7cbe\u786e\u7684\u8109\u51b2\uff0c\u91cd\u590d\u9891\u7387\u9ad8\u8fbe10 MHz\u3002\u8be5\u4eea\u5668\u5728\u65e7\u8bbe\u8ba1\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u4e86\u591a\u9879\u6539\u8fdb\u2014\u2014\u66f4\u4f4e\u7684\u6296\u52a8\u3001\u66f4\u9ad8\u7684\u7cbe\u5ea6\u3001\u66f4\u5feb\u7684\u89e6\u53d1\u9891\u7387\u548c\u66f4\u591a\u7684\u8f93\u51fa\u3002DG645 \u8fd8\u914d\u5907\u4e86\u4ee5\u592a\u7f51\u3001GPIB \u548c RS-232 \u63a5\u53e3\uff0c\u652f\u6301\u8ba1\u7b97\u673a\u6216\u7f51\u7edc\u63a7\u5236\u3002<\/p>\n

\u5ef6\u8fdf\u53d1\u751f\u5668\u5b9a\u65f6<\/strong><\/p>\n

\u6240\u6709\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668\u901a\u8fc7\u8ba1\u6570\u5feb\u901f\u65f6\u949f\u7684\u5468\u671f\u6765\u6d4b\u91cf\u65f6\u95f4\u95f4\u9694\uff08\u901a\u5e38\u4e3a100<\/a> MHz\uff09\u3002\u5927\u591a\u6570\u6570\u5b57\u5ef6\u8fdf\u53d1\u751f\u5668\u8fd8\u5177\u6709\u77ed\u7684\u53ef\u7f16\u7a0b\u6a21\u62df\u5ef6\u8fdf\uff0c\u4ee5\u5b9e\u73b0\u6bd4\u65f6\u949f\u5468\u671f\u66f4\u7ec6\u7684\u65f6\u95f4\u95f4\u9694\u5206\u8fa8\u7387\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u5982\u679c\u89e6\u53d1\u4fe1\u53f7\u4e0e\u65f6\u949f\u4e0d\u540c\u6b65\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u4e00\u4e2a\u65f6\u949f\u5468\u671f\u7684\u4e0d\u786e\u5b9a\u6027\uff08\u901a\u5e38\u4e3a10 ns\uff09\u3002<\/p>\n

DG645 \u901a\u8fc7\u6d4b\u91cf\u89e6\u53d1\u4fe1\u53f7\u76f8\u5bf9\u4e8e\u5185\u90e8\u65f6\u949f\u7684\u65f6\u5e8f\uff0c\u5e76\u8865\u507f\u6a21\u62df\u5ef6\u8fdf\uff0c\u6d88\u9664\u4e86\u65f6\u5e8f\u4e0d\u786e\u5b9a\u6027\u3002\u8fd9\u79cd\u65b9\u6cd5\u5c06\u6296\u52a8\u51cf\u5c11\u4e86\u7ea6100\u500d\uff0c\u5e76\u5141\u8bb8\u5185\u90e8\u9891\u7387\u53d1\u751f\u5668\u4ee5\u4efb\u610f\u9891\u7387\u8fd0\u884c\u2014\u2014\u4e0d\u4ec5\u4ec5\u662f\u65f6\u949f\u9891\u7387\u7684\u5b50\u500d\u6570\u3002<\/p>\n

\u89e6\u53d1<\/strong><\/p>\n

DG645 \u63d0\u4f9b\u591a\u79cd\u89e6\u53d1\u6a21\u5f0f\u3002\u5185\u7f6e\u9891\u7387\u53d1\u751f\u5668\u7684\u5468\u671f\u6296\u52a8\u5c0f\u4e8e100 ps\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a100 \u00b5Hz \u5230 10 MHz\uff0c\u5206\u8fa8\u7387\u4e3a1 \u00b5Hz\u3002\u5916\u90e8\u89e6\u53d1\u8f93\u5165\u5177\u6709\u53ef\u8c03\u7684\u9608\u503c\u548c\u659c\u7387\uff0c\u53ef\u4ee5\u89e6\u53d1\u5b9a\u65f6\u5468\u671f\u3001\u4e00\u7ec4\u5468\u671f\u6216\u5355\u6b21\u89e6\u53d1\u3002\u5355\u6b21\u89e6\u53d1\u53ef\u4ee5\u901a\u8fc7\u6309\u952e\u64cd\u4f5c\u89e6\u53d1\u3002\u7ebf\u89e6\u53d1\u4e0e\u4ea4\u6d41\u7535\u6e90\u540c\u6b65\u3002\u540e\u9762\u677f\u7684\u89e6\u53d1\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

DG645 \u652f\u6301\u901a\u8fc7\u89e6\u53d1\u4fdd\u6301\u548c\u9884\u5206\u9891\u529f\u80fd\u6ee1\u8db3\u590d\u6742\u7684\u89e6\u53d1\u8981\u6c42\u3002<\/p>\n

\u89e6\u53d1\u4fdd\u6301\u8bbe\u7f6e\u8fde\u7eed\u89e6\u53d1\u4e4b\u95f4\u7684\u6700\u5c0f\u65f6\u95f4\u3002\u8fd9\u5728\u60a8\u7684\u5e94\u7528\u4e2d\u5982\u679c\u89e6\u53d1\u4e8b\u4ef6\u4ea7\u751f\u4e86\u663e\u8457\u7684\u566a\u58f0\u77ac\u53d8\uff0c\u9700\u8981\u65f6\u95f4\u8870\u51cf\u540e\u518d\u751f\u6210\u4e0b\u4e00\u4e2a\u89e6\u53d1\u4fe1\u53f7\u65f6\u975e\u5e38\u6709\u7528\u3002\u89e6\u53d1\u4fdd\u6301\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5728\u8f93\u5165\u89e6\u53d1\u9891\u7387\u7684\u5b50\u500d\u6570\u4e0b\u89e6\u53d1 DG645\u3002<\/p>\n

\u524d\u9762\u677f\u8f93\u51fa<\/strong><\/p>\n

\u524d\u9762\u677f\u6709\u4e94\u4e2a\u8f93\u51fa\uff1aT0\u3001AB\u3001CD\u3001EF \u548c GH\u3002T0 \u8f93\u51fa\u5728\u5b9a\u65f6\u5468\u671f\u7684\u6301\u7eed\u65f6\u95f4\u5185\u88ab\u6fc0\u6d3b\u3002T0 \u7684\u4e0a\u5347\u6cbf\u662f\u96f6\u65f6\u95f4\u53c2\u8003\u3002\u7f16\u7a0b\u5ef6\u8fdf\uff08A\u3001B\u3001C\u3001D\u3001E\u3001F\u3001G \u548c H\uff09\u4ece 0 \u79d2\u5230 2000 \u79d2\uff0c\u5206\u8fa8\u7387\u4e3a 5 ps\uff0c\u7528\u4e8e\u63a7\u5236\u56db\u4e2a\u8109\u51b2\u8f93\u51fa\u7684\u4e0a\u5347\u6cbf\u548c\u4e0b\u964d\u6cbf\u7684\u5b9a\u65f6\u3002<\/p>\n

\u6bcf\u4e2a\u524d\u9762\u677f\u8f93\u51fa\u53ef\u4ee5\u9a71\u52a8 50 \u2126 \u8d1f\u8f7d\uff0c\u5177\u6709 50 \u2126 \u6e90\u963b\u6297\u3002\u8f93\u51fa\u5e45\u5ea6\u53ef\u4ee5\u8bbe\u7f6e\u4e3a 0.5 \u5230 5.0 V\uff0c\u8f93\u51fa\u504f\u7f6e\u53ef\u4ee5\u5728 \u00b12 VDC \u8303\u56f4\u5185\u53d8\u5316\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\u5c0f\u4e8e 2 ns\u3002<\/p>\n

\u7ec4\u5408\u8f93\u51fa<\/strong><\/p>\n

\u540e\u9762\u677f\u8f93\u51fa<\/strong><\/p>\n

\u53ef\u9009\u7684\u540e\u9762\u677f\u8f93\u51fa\u652f\u6301\u5404\u79cd\u5e94\u7528\u3002\u9009\u98791\u63d0\u4f9b\u4e00\u4e2aT0\u8f93\u51fa\u548c8\u4e2a\u7f16\u7a0b\u5ef6\u8fdf\uff08A\u3001B\u3001C\u3001D\u3001E\u3001F\u3001G\u548cH\uff09\uff0c\u903b\u8f91\u7535\u5e73\u4e3a5 V\uff0c\u8f6c\u6362\u65f6\u95f4\u5c0f\u4e8e1 ns\u3002\u9009\u98792\u63d0\u4f9b\u8fd9\u4e9b\u76f8\u540c\u7684\u8f93\u51fa\uff0c\u4f46\u4f5c\u4e3a30 V\u3001100 ns\u8109\u51b2\uff0c\u8f6c\u6362\u65f6\u95f4\u5c0f\u4e8e5 ns\uff0c\u7528\u4e8e\u9ad8\u566a\u58f0\u73af\u5883\u4e2d\u7684\u5b9a\u65f6\u5206\u914d\u3002\u9009\u98793\u63d0\u4f9b8\u4e2a\u7ec4\u5408\u8f93\u51fa\uff0c\u8fd9\u4e9b\u8f93\u51fa\u57285 V\u903b\u8f91\u7535\u5e73\u4e0b\u63d0\u4f9b1\u52304\u4e2a\u8109\u51b2\uff0c\u8f6c\u6362\u65f6\u95f4\u5c0f\u4e8e1 ns\u3002\u6bcf\u4e2a\u8f93\u51fa\u5177\u6709 50 \u2126 \u7684\u6e90\u963b\u6297\u3002<\/p>\n

\u65f6\u95f4\u57fa\u51c6<\/strong><\/p>\n

\u6807\u51c6\u65f6\u95f4\u57fa\u51c6\u7684\u51c6\u786e\u5ea6\u4e3a5 ppm\uff0c\u6296\u52a8\u4e3a10^-8\uff0c\u9002\u7528\u4e8e\u8bb8\u591a\u5e94\u7528\u3002\u5bf9\u4e8e\u9700\u8981\u66f4\u597d\u9891\u7387\u548c\u5ef6\u8fdf\u7cbe\u5ea6\u6216\u964d\u4f4e\u9891\u7387\u548c\u5ef6\u8fdf\u6296\u52a8\u7684\u7528\u6237\uff0c\u63d0\u4f9b\u53ef\u9009\u65f6\u95f4\u57fa\u51c6\u3002<\/p>\n

1\u79d2\u5ef6\u8fdf\u7684\u65f6\u95f4\u8bef\u5dee\uff0c\u6807\u51c6\u65f6\u95f4\u57fa\u51c6\u53ef\u4ee5\u8fbe\u52305 \u00b5s\uff0cOCXO\u65f6\u95f4\u57fa\u51c6\u4e3a200 ns\uff0c\u800c\u94f7\u65f6\u95f4\u57fa\u51c6\u5728\u6821\u51c6\u4e00\u5e74\u540e\u4e3a500 ps\u3002<\/p>\n

\u65f6\u95f4\u8bef\u5dee\u4e0e\u5ef6\u8fdf<\/strong><\/p>\n

\u5bf9\u4e8e\u77ed\u5ef6\u8fdf\uff0c\u6296\u52a8\u901a\u5e38\u4e3a20 ps\u3002\u7136\u800c\uff0c\u5bf9\u4e8e1\u79d2\u5ef6\u8fdf\uff0c\u6807\u51c6\u65f6\u95f4\u57fa\u51c6\u7684\u6296\u52a8\u53ef\u8fbe10 ns\uff0c\u800c\u53ef\u9009\u7684\u65f6\u95f4\u57fa\u51c6\u589e\u52a0\u7684\u6296\u52a8\u4e0d\u523010 ps\u3002<\/p>\n

\u5feb\u901f\u4e0a\u5347\u65f6\u95f4\u6a21\u5757<\/strong><\/p>\n

DG645\u524d\u9762\u677f\u8f93\u51fa\u7684\u8f6c\u6362\u65f6\u95f4\u5c0f\u4e8e2 ns\u3002SRD1 \u662f\u4e00\u4e2a\u914d\u4ef6\uff0c\u5185\u7f6e\u4e8e\u4e00\u4e2a\u76f4\u901aBNC\u8fde\u63a5\u5668\u4e2d\uff0c\u80fd\u591f\u5c06\u524d\u9762\u677f\u8f93\u51fa\u7684\u4e0a\u5347\u65f6\u95f4\u964d\u4f4e\u5230\u5c0f\u4e8e100 ps\u3002\u6700\u591a\u53ef\u4ee5\u5c06\u4e94\u4e2aSRD1\u8fde\u63a5\u5230\u524d\u9762\u677f\uff0c\u4ee5\u51cf\u5c11\u6240\u6709\u8f93\u51fa\u7684\u4e0a\u5347\u65f6\u95f4\u3002<\/p>\n

DG645 \u6280\u672f\u89c4\u683c<\/strong><\/p>\n

\u5ef6\u8fdf<\/strong><\/p>\n