SRS<\/a>,Stanford Research Systems<\/a>,\u65f6\u95f4\u4e0e\u9891\u7387\u7cfb\u7edf<\/a>,FS740<\/a><\/strong><\/p>\n
FS740 GPS 10 MHz \u9891\u7387\u53c2\u8003<\/strong><\/p>\n
GNSS \u63a5\u6536\u5668<\/strong><\/p>\n
GNSS \u5929\u7ebf<\/strong><\/p>\n
\u56fe\u5f62\u7528\u6237\u754c\u9762<\/strong><\/p>\n
\u56fe\u5f62\u7528\u6237\u754c\u9762\u5141\u8bb8\u7528\u6237\u914d\u7f6e\u4eea\u5668\u5e76\u67e5\u770b\u65f6\u95f4\u548c\u9891\u7387\u6d4b\u91cf\u7ed3\u679c\u3002\u4eea\u5668\u53ef\u4ee5\u914d\u7f6e\u4e3a\u4e09\u79cd\u6a21\u5f0f\u4e4b\u4e00\uff1a\u6709\u4e24\u4e2a\u7528\u6237\u8f93\u5165\uff08\u4e00\u4e2a\u5728\u524d\u9762\u677f\uff0c\u4e00\u4e2a\u5728\u540e\u9762\u677f\uff09\u7528\u4e8e\u9891\u7387\u548c\u65f6\u95f4\u6807\u8bb0\u4e8b\u4ef6\u3002\u8f93\u5165\u5177\u6709\u53ef\u8c03\u8282\u7684\u9608\u503c\u548c\u659c\u7387\u3002\u9891\u7387\u6d4b\u91cf\u7684\u7cbe\u5ea6\u4e3a 1 \u00d7 10^-11\uff081\u79d2\uff09\uff0c1 \u00d7 10^-12\uff0810\u79d2\uff09\u548c 1 \u00d7 10^-13\uff08100<\/a>\u79d2\uff09\u3002\u65f6\u95f4\u6807\u8bb0\u4ee5 1 ps \u5206\u8fa8\u7387\u62a5\u544a\uff0c\u4e0e OCXO \u548c\u94f7\u57fa\u51c6\u7684\u77ed\u671f\u7a33\u5b9a\u6027\u76f8\u5f53\u3002\u65f6\u95f4\u6807\u8bb0\u76f8\u5bf9\u4e8e UTC \u6216 GPS \u65f6\u95f4\u7684\u8bef\u5dee\u7ea6\u4e3a 10 ns rms\u3002<\/p>\n
\u524d\u9762\u677f\u548c\u540e\u9762\u677f<\/strong><\/p>\n
\u5206\u914d\u653e\u5927\u5668<\/strong><\/p>\n
FS740 \u89c4\u683c<\/strong><\/p>\n
\u6807\u51c6 TCXO \u65f6\u95f4\u57fa\u51c6<\/strong><\/p>\n
- \n
- \u632f\u8361\u5668\u7c7b\u578b<\/strong>: \u52a0\u70ed\u63a7\u5236\uff0c3 \u7ea7 OT\uff0cAT \u5207\u6676\u4f53<\/li>\n
- \u6e29\u5ea6\u7a33\u5b9a\u6027<\/strong>: <2 \u00d7 10^-6 (20 \u81f3 30 \u00b0C)<\/li>\n
- \u8001\u5316<\/strong>: <5 ppm\/\u5e74\uff08\u672a\u4e0e GPS \u8fdb\u884c\u63a7\u5236\uff09<\/li>\n
- \u76f8\u4f4d\u566a\u58f0 (SSB)<\/strong>: <-105 dBc\/Hz\uff08\u5178\u578b\u503c\uff09<\/li>\n
- \u7a33\u5b9a\u6027<\/strong>:\n
- \n
- <3 \u00d7 10^-10 (1 \u79d2)<\/li>\n
- <3 \u00d7 10^-10 (10 \u79d2)<\/li>\n
- <2 \u00d7 10^-10 (100 \u79d2)<\/li>\n
- <2 \u00d7 10^-11 (1000 \u79d2)<\/li>\n
- <1 \u00d7 10^-12 (24 \u5c0f\u65f6)<\/li>\n<\/ul>\n<\/li>\n
- \u4fdd\u6301\u80fd\u529b<\/strong>: <40 \u03bcs \/ 24 \u5c0f\u65f6<\/li>\n<\/ul>\n
OCXO \u65f6\u95f4\u57fa\u51c6<\/strong><\/p>\n
- \n
- \u632f\u8361\u5668\u7c7b\u578b<\/strong>: \u52a0\u70ed\u63a7\u5236\uff0c3 \u7ea7 OT\uff0cSC \u5207\u6676\u4f53<\/li>\n
- \u6e29\u5ea6\u7a33\u5b9a\u6027<\/strong>: <1 \u00d7 10^-9 (20 \u81f3 30 \u00b0C)<\/li>\n
- \u8001\u5316<\/strong>: <0.2 ppm\/\u5e74\uff08\u672a\u4e0e GPS \u8fdb\u884c\u63a7\u5236\uff09<\/li>\n
- \u76f8\u4f4d\u566a\u58f0 (SSB)<\/strong>: <-130 dBc\/Hz\uff08\u5178\u578b\u503c\uff09<\/li>\n
- \u7a33\u5b9a\u6027<\/strong>:\n
- \n
- <1 \u00d7 10^-11 (1 \u79d2)<\/li>\n
- <1 \u00d7 10^-11 (10 \u79d2)<\/li>\n
- <1.5 \u00d7 10^-11 (100 \u79d2)<\/li>\n
- <1 \u00d7 10^-11 (1000 \u79d2)<\/li>\n
- <5 \u00d7 10^-13 (24 \u5c0f\u65f6)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u94f7\u57fa\u51c6<\/strong><\/p>\n
- \n
- \u632f\u8361\u5668\u7c7b\u578b<\/strong>: \u52a0\u70ed\u63a7\u5236\uff0c3 \u7ea7 OT\uff0cSC \u5207\u6676\u4f53<\/li>\n
- \u7269\u7406\u5305<\/strong>: \u94f7\u84b8\u6c14\u9891\u7387\u9274\u522b\u5668<\/li>\n
- \u6e29\u5ea6\u7a33\u5b9a\u6027<\/strong>: <1 \u00d7 10^-10 (20 \u81f3 30 \u00b0C)<\/li>\n
- \u8001\u5316<\/strong>: <0.0005 ppm\/\u5e74\uff08\u672a\u4e0e GNSS \u8fdb\u884c\u63a7\u5236\uff09<\/li>\n
- \u76f8\u4f4d\u566a\u58f0 (SSB)<\/strong>: <-130 dBc\/Hz\uff08\u5178\u578b\u503c\uff09<\/li>\n
- \u7a33\u5b9a\u6027<\/strong>:\n
- \n
- <3 \u00d7 10^-11 (1 \u79d2)<\/li>\n
- <1 \u00d7 10^-11 (10 \u79d2)<\/li>\n
- <3 \u00d7 10^-12 (100 \u79d2)<\/li>\n
- <2 \u00d7 10^-12 (1000 \u79d2)<\/li>\n
- <5 \u00d7 10^-13 (24 \u5c0f\u65f6)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
GNSS \u63a5\u6536\u5668<\/strong><\/p>\n
- \n
- \u536b\u661f\u83b7\u53d6\u65f6\u95f4<\/strong>: \u5c11\u4e8e 1 \u5206\u949f\uff08\u5178\u578b\u503c\uff09<\/li>\n
- \u5e74\u9274\u83b7\u53d6\u65f6\u95f4<\/strong>: \u5927\u7ea6 15 \u5206\u949f\uff08\u6301\u7eed\u8ddf\u8e2a\u536b\u661f\u65f6\uff09<\/li>\n
- \u9759\u6001\u5e94\u7528\u4f18\u5316<\/strong>: \u8fc7\u91cf\u786e\u5b9a\u65f6\u949f\u6a21\u5f0f\u4f7f\u63a5\u6536\u5668\u53ef\u4ee5\u4f7f\u7528\u6240\u6709\u536b\u661f\u8fdb\u884c\u5b9a\u65f6<\/li>\n
- UTC \u7cbe\u5ea6<\/strong>: <100 ns<\/li>\n
- \u65f6\u95f4\u6f02\u79fb<\/strong>: <15 ns rms\uff08\u5728\u8fc7\u91cf\u786e\u5b9a\u65f6\u949f\u6a21\u5f0f\u4e0b\uff09<\/li>\n
- \u5929\u7ebf\u5ef6\u8fdf\u4fee\u6b63\u8303\u56f4<\/strong>: \u00b10.1 s<\/li>\n<\/ul>\n
\u6b63\u5f26\u8f93\u51fa<\/strong><\/p>\n
\uff0850 \u03a9 \u8d1f\u8f7d\uff09<\/p>\n
- \n
- \u9891\u7387\u8303\u56f4<\/strong>: 1 mHz \u81f3 30.1 MHz<\/li>\n
- \u9891\u7387\u5206\u8fa8\u7387<\/strong>: 1 \u03bcHz<\/li>\n
- \u9891\u7387\u8bef\u5dee<\/strong>: <10 pHz + \u65f6\u95f4\u57fa\u51c6\u8bef\u5dee \u00d7 FC<\/li>\n
- \u76f8\u4f4d\u53ef\u8c03\u8282\u6027<\/strong>: 1 mDeg<\/li>\n
- \u76f8\u4f4d\u51c6\u786e\u6027<\/strong>: <1 ns\uff08\u76f8\u5bf9\u4e8e\u5185\u90e8\u53c2\u8003\uff09<\/li>\n
- \u5e45\u5ea6<\/strong>: 10 mVpp \u81f3 1.414 Vpp<\/li>\n
- \u5e45\u5ea6\u5206\u8fa8\u7387<\/strong>: <1 %<\/li>\n
- \u5e45\u5ea6\u51c6\u786e\u6027<\/strong>: \u00b15 %<\/li>\n
- \u8c10\u6ce2<\/strong>: <-40 dBc<\/li>\n
- \u6742\u6563<\/strong>: <-70 dBc<\/li>\n
- \u8f93\u51fa\u8026\u5408<\/strong>: DC, 50 \u03a9 \u00b12 %<\/li>\n
- \u7528\u6237\u8d1f\u8f7d<\/strong>: 50 \u03a9<\/li>\n
- \u53cd\u5411\u4fdd\u62a4<\/strong>: \u00b15 VDC<\/li>\n<\/ul>\n
AUX \u8f93\u51fa<\/strong><\/p>\n
\uff0850 \u03a9 \u8d1f\u8f7d\uff09<\/p>\n
- \n
- \u8f93\u51fa\u9009\u9879<\/strong>: \u6b63\u5f26\u6ce2\u3001\u4e09\u89d2\u6ce2\u3001\u65b9\u6ce2\u3001100 MHz\u3001AM IRIG-B<\/li>\n
- \u9891\u7387\u8303\u56f4<\/strong>:\n
- \n
- \u6b63\u5f26\u6ce2: 1 mHz \u81f3 10 MHz<\/li>\n
- \u4e09\u89d2\u6ce2\u6216\u65b9\u6ce2: 1 mHz \u81f3 1 MHz<\/li>\n
- 100 MHz: 100 MHz<\/li>\n
- AM IRIG-B: 1 kHz<\/li>\n<\/ul>\n<\/li>\n
- \u9891\u7387\u5206\u8fa8\u7387<\/strong>: 1 \u03bcHz<\/li>\n
- \u9891\u7387\u8bef\u5dee<\/strong>: <10 pHz + \u65f6\u95f4\u57fa\u51c6\u8bef\u5dee \u00d7 FC<\/li>\n
- \u76f8\u4f4d\u53ef\u8c03\u8282\u6027<\/strong>: 1 mDeg\uff08100 MHz \u6b63\u5f26\u6ce2\u8f93\u51fa\u4e0d\u53ef\u8c03\u6574\u76f8\u4f4d\uff09<\/li>\n
- \u5e45\u5ea6<\/strong>: 10 mVpp \u81f3 1.414 Vpp\uff08\u6b63\u5f26\u6ce2\u3001\u4e09\u89d2\u6ce2\u3001\u65b9\u6ce2\uff09<\/li>\n
- \u5e45\u5ea6\uff08100 MHz\uff09<\/strong>: 2.75 dBm \u00b10.5 dBm<\/li>\n
- \u5e45\u5ea6\u5206\u8fa8\u7387<\/strong>: <1 %<\/li>\n
- \u5e45\u5ea6\u51c6\u786e\u6027<\/strong>: \u00b15 %<\/li>\n
- \u8c10\u6ce2<\/strong>: <-40 dBc<\/li>\n
- \u6742\u6563<\/strong>: <-70 dBc<\/li>\n
- \u8f93\u51fa\u8026\u5408<\/strong>: DC, 50 \u03a9 \u00b12 %<\/li>\n
- \u7528\u6237\u8d1f\u8f7d<\/strong>: 50 \u03a9<\/li>\n
- \u53cd\u5411\u4fdd\u62a4<\/strong>: \u00b15 VDC<\/li>\n<\/ul>\n
\u8109\u51b2\u8f93\u51fa<\/strong><\/p>\n
- \n
- \u8f93\u51fa\u9009\u9879<\/strong>: \u5468\u671f\/\u5bbd\u5ea6\u3001\u9891\u7387\/\u5360\u7a7a\u6bd4\u3001\u8109\u51b2 IRIG-B<\/li>\n
- \u5468\u671f<\/strong>: 40 ns \u81f3 1000 s<\/li>\n
- \u5bbd\u5ea6<\/strong>: 5 ns \u81f3 (\u5468\u671f – 5 ns)<\/li>\n
- \u5468\u671f\/\u5bbd\u5ea6\u5206\u8fa8\u7387<\/strong>: 1 ps<\/li>\n
- \u9891\u7387\u8303\u56f4<\/strong>: 1 mHz \u81f3 25 MHz<\/li>\n
- \u9891\u7387\u5206\u8fa8\u7387<\/strong>: 1 \u03bcHz<\/li>\n
- \u9891\u7387\u8bef\u5dee<\/strong>: <10 pHz + \u65f6\u95f4\u57fa\u51c6\u8bef\u5dee \u00d7 FC<\/li>\n
- \u6296\u52a8<\/strong>: <50 ps rms<\/li>\n
- \u7535\u5e73<\/strong>: +5 V CMOS \u903b\u8f91<\/li>\n<\/ul>\n
10 MHz \u8f93\u51fa<\/strong><\/p>\n
\uff0850 \u03a9 \u8d1f\u8f7d\uff09<\/p>\n
- \n
- \u5e45\u5ea6<\/strong>: 13 dBm<\/li>\n
- \u5e45\u5ea6\u51c6\u786e\u6027<\/strong>: \u00b11.5 dBm<\/li>\n
- \u8c10\u6ce2<\/strong>: <-50 dBc<\/li>\n
- \u6742\u6563<\/strong>: <-90 dBc (100 kHz BW)<\/li>\n
- \u8f93\u51fa\u8026\u5408<\/strong>: DC, 50 \u03a9 \u00b12 %<\/li>\n
- \u7528\u6237\u8d1f\u8f7d<\/strong>: 50 \u03a9<\/li>\n
- \u53cd\u5411\u4fdd\u62a4<\/strong>: \u00b15 VDC<\/li>\n<\/ul>\n
\u65f6\u95f4\/\u9891\u7387\u8f93\u5165<\/strong><\/p>\n
- \n
- \u65f6\u95f4\u6807\u8bb0\u5206\u8fa8\u7387<\/strong>: 1 ps<\/li>\n
- \u65f6\u95f4\u6807\u8bb0\u6296\u52a8 (rms)<\/strong>: <50 ps<\/li>\n
- \u9891\u7387\u8303\u56f4<\/strong>: 1 \u03bcHz \u81f3 100 MHz\uff08\u8ba1\u6570\u5668\u53ef\u6d4b\u91cf\u9ad8\u8fbe 200 MHz\uff0c\u4f46\u8f93\u5165\u4fe1\u53f7\u88ab\u8870\u51cf\uff09<\/li>\n
- \u9891\u7387\u5206\u8fa8\u7387<\/strong>: 1 \u03bcHz<\/li>\n
- \u6d4b\u91cf\u7a33\u5b9a\u6027 (1 \u79d2\u95e8)<\/strong>:\n
- \n
- <5 \u00d7 10^-12\uff08\u540c\u6b65\u4e0e\u5feb\u901f\u5e73\u5747\u542f\u7528\uff09<\/li>\n
- <5 \u00d7 10^-11\uff08\u5176\u4ed6\u60c5\u51b5\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u8ba1\u7b97\u673a\u63a5\u53e3<\/strong><\/p>\n
- \n
- \u4ee5\u592a\u7f51 (LAN)<\/strong>: 10\/100 Base-T\u3002\u9ed8\u8ba4 TCP\/IP & DHCP<\/li>\n
- RS-232<\/strong>: 4.8k-115.2k \u6ce2\u7279\u7387\uff0cRTS\/CTS \u6d41<\/li>\n
- GNSSDO \u5e94\u7528\u7a0b\u5e8f<\/strong>: \u53d1\u9001\u547d\u4ee4\u3001\u67e5\u770b\u4eea\u5668\u72b6\u6001\u3001\u6539\u53d8\u4eea\u5668\u914d\u7f6e\u3002\u652f\u6301 OSX \u548c Windows (.dmg \u548c .exe \u6587\u4ef6)<\/li>\n<\/ul>\n
\u4e00\u822c\u4fe1\u606f<\/strong><\/p>\n
- \n
- AC \u7535\u6e90<\/strong>: 90 \u81f3 264 VAC\uff0c47 \u81f3 63 Hz\uff0c\u5e26 PFC\uff0c\u529f\u8017 90 W<\/li>\n
- EMI \u7b26\u5408\u6027<\/strong>: FCC Part 15\uff08B \u7c7b\uff09\uff0cCISPR-22\uff08B \u7c7b\uff09<\/li>\n
- \u5c3a\u5bf8<\/strong>: 8.5″ \u00d7 3.5″ \u00d7 13″\uff08\u5bbd \u00d7 \u9ad8 \u00d7 \u957f\uff09<\/li>\n
- \u91cd\u91cf<\/strong>: 10 lbs<\/li>\n
- \u4fdd\u4fee<\/strong>: \u4e00\u5e74\u96f6\u4ef6\u548c\u4eba\u5de5\u4fdd\u4fee\uff0c\u6db5\u76d6\u6750\u6599\u548c\u5de5\u827a\u7f3a\u9677\u3002<\/li>\n<\/ul>\n<\/div>\n
SRS,Stanford Research Systems,\u65f6\u95f4\u4e0e\u9891\u7387\u7cfb\u7edf,FS740<\/figcaption><\/figure>\n FS740<\/a>\nSRS<\/a>\nStanford Research Systems<\/a>\n\u65f6\u95f4\u4e0e\u9891\u7387\u7cfb\u7edf<\/a><\/div>","protected":false},"excerpt":{"rendered":"SRS,Stanford Research Systems,\u65f6\u95f4\u4e0e\u9891\u7387\u7cfb\u7edf,FS740 FS740 GPS 10 MHz \u9891\u7387\u53c2\u8003 \u6982\u8ff0 FS740 GPS \u65f6\u95f4\u4e0e\u9891\u7387\u7cfb\u7edf\u63d0\u4f9b\u4e86\u4e00 <\/p>\n","protected":false},"author":27,"featured_media":228,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[77],"tags":[83,4,5,82],"yoast_head":"\n
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