\n
Stanford Research systemsDS345 \u51fd\u6570\/\u4efb\u610f\u6ce2\u5f62\u53d1\u751f\u5668<\/p>\n<\/div>\n
DS345 \u51fd\u6570\u53d1\u751f\u5668\u662f\u4e00\u6b3e\u529f\u80fd\u9f50\u5168\u7684 30 MHz \u5408\u6210\u51fd\u6570\u53d1\u751f\u5668\uff0c\u91c7\u7528\u521b\u65b0\u7684\u76f4\u63a5\u6570\u5b57\u5408\u6210 (DDS) \u67b6\u6784\u3002\u5b83\u751f\u6210\u8bb8\u591a\u5177\u6709\u51fa\u8272\u9891\u7387\u5206\u8fa8\u7387 (1 \u00b5Hz) \u7684\u6807\u51c6\u6ce2\u5f62\uff0c\u5e76\u5177\u6709\u591a\u79cd\u8c03\u5236\u529f\u80fd\uff0c\u5305\u62ec AM\u3001FM\u3001Burst\u3001PM \u548c\u9891\u7387\u626b\u63cf\u3002\u5b83\u8fd8\u4ee5 40 Msample\/s \u7684\u5feb\u901f\u66f4\u65b0\u901f\u7387\u751f\u6210\u4efb\u610f\u6ce2\u5f62\u3002<\/p>\n
\u529f\u80fd\u548c\u8f93\u51fa<\/p>\n
DS345 \u751f\u6210\u9891\u7387\u9ad8\u8fbe 30.2 MHz \u7684\u6b63\u5f26\u6ce2\u548c\u65b9\u6ce2\uff0c\u4ee5\u53ca\u9ad8\u8fbe 100 kHz \u7684\u4e09\u89d2\u6ce2\u548c\u659c\u6ce2\u3002\u6240\u6709\u529f\u80fd\u7684\u9891\u7387\u5206\u8fa8\u7387\u5747\u4e3a 1 \u00b5Hz\u3002\u9664\u4e86\u6807\u51c6\u6ce2\u5f62\u5916\uff0c\u8be5\u88c5\u7f6e\u8fd8\u63d0\u4f9b\u5bbd\u5e26 (10 MHz) \u767d\u566a\u58f0\u6e90\u3002<\/p>\n
\u529f\u80fd\u8f93\u51fa\u548c TTL SYNC \u8f93\u51fa\u5747\u53ef\u901a\u8fc7\u6d6e\u52a8\u7684\u524d\u9762\u677f BNC \u8fde\u63a5\u5668\u83b7\u5f97\u3002\u4e24\u4e2a\u8f93\u51fa\u90fd\u6709 50 \u03a9 \u7684\u8f93\u51fa\u963b\u6297\uff0c\u5e76\u4e14\u53ef\u4ee5\u76f8\u5bf9\u4e8e\u63a5\u5730\u6d6e\u52a8\u9ad8\u8fbe \u00b140 V\u3002\u6240\u6709\u529f\u80fd\u8f93\u51fa\u7684\u5e45\u5ea6\u5747\u53ef\u5728 10 mVpp \u81f3 10 Vpp \u4e4b\u95f4\u8c03\u8282\uff0c\u5177\u67093 \u4f4d\u5206\u8fa8\u7387\uff0c\u5e76\u53ef\u4ee5 Vp\u3001Vpp\u3001Vrms \u6216 dBm \u663e\u793a\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u9009\u62e9\u6807\u51c6 TTL \u548c ECL \u8f93\u51fa\u7535\u5e73\u3002<\/p>\n
\u540e\u9762\u677f\u4e0a\u63d0\u4f9b\u4e86\u5176\u4ed6\u6709\u7528\u7684\u8fde\u63a5\u5668\u3002\u89e6\u53d1\u8f93\u5165\u7528\u4e8e\u89e6\u53d1\u4efb\u610f\u6ce2\u5f62\u3001\u8c03\u5236\u6a21\u5f0f\u3001\u626b\u63cf\u548c\u8109\u51b2\u4e32\uff0c\u540c\u65f6\u63d0\u4f9b TTL \u89e6\u53d1\u8f93\u51fa\u4ee5\u5141\u8bb8\u5916\u90e8\u8bbe\u5907\u4e0e\u626b\u63cf\u548c\u8109\u51b2\u4e32\u540c\u6b65\u3002\u626b\u63cf\u8f93\u51fa\u751f\u6210\u4e0e\u9891\u7387\u626b\u63cf\u540c\u6b65\u7684 0 V \u81f3 10 V \u659c\u5761\u3002\u626b\u63cf\u6807\u8bb0\u8f93\u51fa\u5141\u8bb8\u5728\u793a\u6ce2\u5668\u4e0a\u7a81\u51fa\u663e\u793a\u9891\u7387\u626b\u63cf\u7684\u6307\u5b9a\u90e8\u5206\u3002<\/p>\n
10 MHz \u540e\u9762\u677f\u8f93\u5165\u5141\u8bb8 DS345 \u4e0e\u5916\u90e8\u65f6\u57fa\u540c\u6b65\u3002\u4e00\u4e2a 10 MHz \u7684\u540e\u9762\u677f\u8f93\u51fa\u5141\u8bb8\u591a\u4e2a DS345 \u88ab\u9501\u76f8\u3002<\/p>\n<\/li>\n<\/ul>\n
Stanford DS345<\/a>\n \u51fd\u6570\u53d1\u751f\u5668<\/a>\n \u6d4b\u7535\u4eea\u8868<\/a><\/div>","protected":false},"excerpt":{"rendered":"\u7f8e\u56fdStanford reasearch DS345 \u51fd\u6570\u53d1\u751f\u5668 1 \u00b5Hz \u81f3 30.2 MHz \u9891\u7387\u8303\u56f4 1 \u00b5Hz \u9891\u7387\u5206\u8fa8\u7387 \u6b63\u5f26\u6ce2\u3001\u65b9\u6ce2\u3001\u659c\u6ce2\u3001\u4e09\u89d2\u6ce2\u548c\u566a\u58f0 \u76f8\u4f4d\u8fde\u7eed\u626b\u63cf <\/p>\n","protected":false},"author":29,"featured_media":900550,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[3],"tags":[109,53,19],"yoast_head":"\n
\u7f8e\u56fdStanford reasearch DS345 \u51fd\u6570\u53d1\u751f\u5668<\/title>\n \n \n \n \n \n \n \n \n \n \n \n\t \n\t \n \n \n\t \n\t \n\t \n