{"id":900611,"date":"2024-07-02T17:33:21","date_gmt":"2024-07-02T09:33:21","guid":{"rendered":"https:\/\/www.bihec.com\/stanford-research-systems\/?p=900611"},"modified":"2024-07-02T17:33:21","modified_gmt":"2024-07-02T09:33:21","slug":"%e7%be%8e%e5%9b%bdstanford-research-systems-sg396%e7%9f%a2%e9%87%8f%e4%bf%a1%e5%8f%b7%e5%8f%91%e7%94%9f%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/stanford-research-systems\/%e7%be%8e%e5%9b%bdstanford-research-systems-sg396%e7%9f%a2%e9%87%8f%e4%bf%a1%e5%8f%b7%e5%8f%91%e7%94%9f%e5%99%a8\/","title":{"rendered":"\u7f8e\u56fd\tStanford Research Systems SG396\u77e2\u91cf\u4fe1\u53f7\u53d1\u751f\u5668,SRS SG396,SRS SG392,SRS SG394"},"content":{"rendered":"<p>\u7f8e\u56fd <a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/stanford-research-systems%e7%9f%a2%e9%87%8f%e4%bf%a1%e5%8f%b7%e5%8f%91%e7%94%9f%e5%99%a8\/\" title=\"View all posts in Stanford Research Systems\u77e2\u91cf\u4fe1\u53f7\u53d1\u751f\u5668\" target=\"_blank\">Stanford Research Systems\u77e2\u91cf\u4fe1\u53f7\u53d1\u751f\u5668<\/a>,<a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/srs-sg396\/\" title=\"View all posts in SRS SG396\" target=\"_blank\">SRS SG396<\/a>,<a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/srs-sg392\/\" title=\"View all posts in SRS SG392\" target=\"_blank\">SRS SG392<\/a>,<a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/srs-sg394\/\" title=\"View all posts in SRS SG394\" target=\"_blank\">SRS SG394<\/a><\/p>\n<p><a href=\"https:\/\/www.bihec.com\/stanford-research-systems\/tag\/stanford-research\/\" title=\"View all posts in Stanford research\" target=\"_blank\">Stanford research<\/a> systems \u4ecb\u7ecdSG390\u7cfb\u5217\u77e2\u91cf\u4fe1\u53f7\u53d1\u751f\u5668\u9ad8\u6027\u80fd\u3001\u4ef7\u683c\u5408\u7406\u7684\u5c04\u9891\u6e90\u3002\u4e09\u4e2a\u65b0\u7684\u5c04\u9891\u4fe1\u53f7\u53d1\u751f\u5668\uff0c\u8f7d\u6ce2\u9891\u7387\u4eceDC\u52302.025 GHz\u30014.050 GHz\u548c6.075 GHz\uff0c\u652f\u6301\u6a21\u62df\u548c\u77e2\u91cf\u8c03\u5236\u3002\u8be5\u4eea\u5668\u91c7\u7528\u4e86\u4e00\u79cd\u65b0\u7684\u5c04\u9891\u5408\u6210\u6280\u672f\uff0c\u53ef\u63d0\u4f9b\u4f4e\u76f8\u4f4d\u566a\u58f0\uff081 GHz\u65f6\u4e3a\u2013116 dBc\/Hz\uff09\u548c\u6781\u9ad8\u9891\u7387\u5206\u8fa8\u7387\uff08\u4efb\u4f55\u9891\u7387\u4e0b\u4e3a1\u03bcHz\uff09\u7684\u65e0\u6742\u6563\u8f93\u51fa\u3002\u6a21\u62df\u8c03\u5236\u548c\u77e2\u91cf\u57fa\u5e26\u53d1\u751f\u5668\u90fd\u5305\u542b\u5728\u6807\u51c6\u529f\u80fd\u4e2d\u3002<\/p>\n<p>2\u30014\u548c6 GHz\u578b\u53f7<\/p>\n<p>\u53cc\u57fa\u5e26arb\u53d1\u751f\u5668<\/p>\n<p>\u6a21\u62df\u548c\u77e2\u91cf\u8c03\u5236<\/p>\n<p>I\/Q\u8c03\u5236\u8f93\u5165<\/p>\n<p>\uff08300 MHz RF BW\uff09<\/p>\n<p>\u8be2\u95ee\uff0cFSK\uff0cMSK\uff0cPSK\uff0c<\/p>\n<p>QAM\u3001VSB\u548c\u81ea\u5b9a\u4e49<\/p>\n<p>GPIB\u3001RS-232\u548c\u4ee5\u592a\u7f51<\/p>\n<p>&nbsp;<\/p>\n<div class=\"w3-hide-small\">\n<p class=\"ProdPgTITLESc2021\"><span>SG390 \u7cfb\u5217\u77e2\u91cf\u4fe1\u53f7\u53d1\u751f\u5668<\/span><\/p>\n<\/div>\n<p class=\"Text2021\"><span>\u4ecb\u7ecd\u65b0\u7684 SG390 \u7cfb\u5217\u77e2\u91cf\u4fe1\u53f7<\/span><span>\u53d1\u751f\u5668 \u2014<\/span><span>\u9ad8\u6027\u80fd\u3001\u4ef7\u683c\u5408\u7406\u7684\u5c04\u9891\u6e90\u3002\u4e09\u6b3e\u65b0\u578b\u5c04\u9891\u4fe1\u53f7\u53d1\u751f\u5668\u7684\u8f7d\u6ce2\u9891\u7387\u4ece DC \u5230 2.025 GHz\u30014.050 GHz \u548c 6.075 GHz\uff0c\u652f\u6301\u6a21\u62df\u548c\u77e2\u91cf\u8c03\u5236\u3002\u8fd9\u4e9b\u4eea\u5668\u91c7\u7528\u4e00\u79cd\u65b0\u7684\u5c04\u9891\u5408\u6210\u6280\u672f\uff0c\u53ef\u63d0\u4f9b\u65e0\u6742\u6563\u8f93\u51fa\uff0c\u5177\u6709\u4f4e\u76f8\u4f4d\u566a\u58f0<\/span><span>\uff081 GHz \u65f6\u4e3a -116 dBc\/Hz\uff09<\/span><span>\u548c\u975e\u51e1\u7684\u9891\u7387\u5206\u8fa8\u7387\uff08\u4efb\u4f55\u9891\u7387\u4e0b\u4e3a 1 \u03bcHz\uff09\u3002\u6a21\u62df\u8c03\u5236\u548c\u77e2\u91cf\u57fa\u5e26\u53d1\u751f\u5668\u5747\u4f5c\u4e3a\u6807\u51c6\u529f\u80fd\u5305\u542b\u5728\u5185\u3002<\/span><\/p>\n<div class=\"w3-hide-small\">\n<table width=\"325\" cellpadding=\"20\" align=\"right\">\n<tbody>\n<tr>\n<td><img src=\"https:\/\/www.thinksrs.com\/images\/instr\/sg390\/SG394%20phase%20noise_lg.jpg\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"Text2021\"><span>\u8be5\u4eea\u5668\u4f7f\u7528\u6052\u6e29<\/span><span>SC \u5207\u5272<\/span><span>\u632f\u8361\u5668\u4f5c\u4e3a\u6807\u51c6\u65f6\u57fa\uff0c\u4e0e\u4f7f\u7528 TCXO \u65f6\u57fa\u7684\u4eea\u5668\u76f8\u6bd4\uff0c\u7a33\u5b9a\u6027\u63d0\u9ad8\u4e86 100 \u500d\uff08\u8fd1\u573a\u76f8\u4f4d\u566a\u58f0\u964d\u4f4e\u4e86 100 \u500d\uff09\u3002<\/span><\/p>\n<p class=\"TextTITLESb2021\"><span>\u65b0\u7684\u9891\u7387\u5408\u6210\u6280\u672f<\/span><\/p>\n<p class=\"Text2021\"><span>SG390 \u7cfb\u5217\u4fe1\u53f7\u53d1\u751f\u5668\u57fa\u4e8e\u4e00\u79cd\u79f0\u4e3a\u6709\u7406\u8fd1\u4f3c\u9891\u7387\u5408\u6210 (RAFS) \u7684\u65b0\u578b\u9891\u7387\u5408\u6210\u6280\u672f\u3002RAFS \u4f7f\u7528\u4f20\u7edf\u9501\u76f8\u73af (PLL) \u4e2d\u7684\u5c0f\u6574\u6570\u9664\u6570\uff0c\u4f7f\u7528\u6807\u79f0 PLL \u53c2\u8003\u9891\u7387\u5408\u6210\u63a5\u8fd1\u6240\u9700\u9891\u7387\uff08\u901a\u5e38\u5728 \u00b1100 ppm \u4ee5\u5185\uff09\u7684\u9891\u7387\u3002PLL \u53c2\u8003\u9891\u7387\u7531\u4e0e\u6296\u52a8\u76f4\u63a5\u6570\u5b57\u5408\u6210\u5668\u76f8\u4f4d\u9501\u5b9a\u7684\u538b\u63a7\u6676\u4f53\u632f\u8361\u5668\u63d0\u4f9b\uff0c\u7ecf\u8fc7\u8c03\u6574\u540e\uff0cPLL \u53ef\u751f\u6210\u7cbe\u786e\u7684\u9891\u7387\u3002\u8fd9\u6837\u505a\u53ef\u63d0\u4f9b\u9ad8\u76f8\u4f4d\u6bd4\u8f83\u9891\u7387\uff08\u901a\u5e38\u4e3a 25 MHz\uff09\uff0c\u4ece\u800c\u4ea7\u751f\u4f4e\u76f8\u4f4d\u566a\u58f0\uff0c\u540c\u65f6\u5c06 PLL \u53c2\u8003\u6742\u6563\u79fb\u79bb\u8f7d\u6ce2\uff0c\u4f7f\u5176\u6613\u4e8e\u79fb\u9664\u3002\u6700\u7ec8\u7ed3\u679c\u662f\u7075\u6d3b\u7684 RF \u6e90\uff0c\u5177\u6709\u4f4e\u76f8\u4f4d\u566a\u58f0\u3001\u672c\u8d28\u4e0a\u65e0\u9650\u7684\u9891\u7387\u5206\u8fa8\u7387\uff0c\u6ca1\u6709\u9a6c\u523a<\/span><span>\u5c0f\u6570N<\/span><span>\u5408\u6210\u6216YIG\u632f\u8361\u5668\u7684\u6210\u672c\u3002<\/span><\/p>\n<p class=\"TextTITLESb2021\"><span>\u6a21\u62df\u8c03\u5236<\/span><\/p>\n<div class=\"w3-hide-small\">\n<table width=\"325\" cellpadding=\"20\" align=\"right\">\n<tbody>\n<tr>\n<td><img src=\"https:\/\/www.thinksrs.com\/images\/instr\/sg390\/SG396%20phase%20noise_lg.jpg\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"Text2021\"><span>SG390 \u4fe1\u53f7\u53d1\u751f\u5668\u63d0\u4f9b\u591a\u79cd\u8c03\u5236\u529f\u80fd\u3002\u6a21\u5f0f\u5305\u62ec\u5e45\u5ea6\u8c03\u5236 (AM)\u3001\u9891\u7387\u8c03\u5236 (FM)\u3001\u76f8\u4f4d\u8c03\u5236 (\u03a6M) \u548c\u8109\u51b2\u8c03\u5236\u3002\u6709\u4e00\u4e2a\u5185\u90e8\u8c03\u5236\u6e90\u548c\u4e00\u4e2a\u5916\u90e8\u8c03\u5236\u8f93\u5165\u3002\u5185\u90e8\u8c03\u5236\u6e90\u4ea7\u751f\u6b63\u5f26\u6ce2\u3001\u659c\u6ce2\u3001\u952f\u9f7f\u6ce2\u3001\u65b9\u6ce2\u548c\u566a\u58f0\u6ce2\u5f62\u3002\u5916\u90e8\u8c03\u5236\u4fe1\u53f7\u53ef\u5e94\u7528\u4e8e\u540e\u9762\u677f\u8c03\u5236\u8f93\u5165\u3002\u5185\u90e8\u8c03\u5236\u53d1\u751f\u5668\u53ef\u4f5c\u4e3a\u540e\u9762\u677f\u7684\u8f93\u51fa\u3002<\/span><\/p>\n<p class=\"Text2021\"><span>\u4e0e\u4f20\u7edf\u6a21\u62df\u4fe1\u53f7\u53d1\u751f\u5668\u4e0d\u540c\uff0cSG390 \u7cfb\u5217\u53ef\u4ee5\u4ece DC \u8fde\u7eed\u626b\u63cf\u81f3 62.5 MHz\u3002\u5bf9\u4e8e 62.5 MHz \u4ee5\u4e0a\u7684\u9891\u7387\uff0c\u6bcf\u6b21\u626b\u63cf\u8303\u56f4\u8986\u76d6\u4e00\u4e2a\u500d\u9891\u7a0b\u4ee5\u4e0a\u3002<\/span><\/p>\n<p class=\"TextTITLESb2021\"><span>\u77e2\u91cf\u8c03\u5236<\/span><\/p>\n<p class=\"Text2021\"><span>SG390 \u7cfb\u5217\u5728\u6b64\u6027\u80fd\u7684\u57fa\u7840\u4e0a\uff0c\u589e\u52a0\u4e86\u5bf9 400 MHz \u81f3 6.075 GHz \u4e4b\u95f4 RF \u8f7d\u6ce2\u4e0a\u7684\u77e2\u91cf\u4fe1\u53f7\u8c03\u5236\u7684\u5168\u9762\u652f\u6301\u3002\u5b83\u5177\u6709\u4e00\u4e2a\u53cc\u4efb\u610f\u6ce2\u5f62\u53d1\u751f\u5668\uff0c\u5de5\u4f5c\u9891\u7387\u4e3a 125 MHz\uff0c\u7528\u4e8e\u751f\u6210\u57fa\u5e26\u4fe1\u53f7\u3002\u8be5\u53d1\u751f\u5668\u5185\u7f6e\u5bf9\u6700\u5e38\u89c1\u77e2\u91cf\u8c03\u5236\u65b9\u6848\u7684\u652f\u6301\uff1aASK\u3001QPSK\u3001DQPSK\u3001\u03c0\/4 DQPSK\u30018PSK\u3001FSK\u3001CPM\u3002QAM\uff084 \u81f3 256\uff09\u30018VSB \u548c 16VSB\u3002\u5b83\u8fd8\u5185\u7f6e\u5bf9\u6570\u5b57\u901a\u4fe1\u4e2d\u4f7f\u7528\u7684\u6240\u6709\u6807\u51c6\u8109\u51b2\u6574\u5f62\u6ee4\u6ce2\u5668\u7684\u652f\u6301\uff1a\u5347\u4f59\u5f26\u3001\u6839\u5347\u4f59\u5f26\u3001\u9ad8\u65af\u3001\u77e9\u5f62\u3001\u4e09\u89d2\u5f62\u7b49\u3002\u6700\u540e\uff0c\u5b83\u4e3a\u5c06\u52a0\u6027\u9ad8\u65af\u767d\u566a\u58f0 (AWGN) \u63a7\u5236\u6ce8\u5165\u4fe1\u53f7\u8def\u5f84\u63d0\u4f9b\u76f4\u63a5\u652f\u6301\u3002<\/span><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-900609\" src=\"https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506-300x225.jpg 300w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506-1024x768.jpg 1024w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506-768x576.jpg 768w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506-1536x1152.jpg 1536w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506-500x375.jpg 500w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506-800x600.jpg 800w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506-1280x960.jpg 1280w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/\u5fae\u4fe1\u56fe\u7247_20230414142506.jpg 1706w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" class=\"alignnone size-medium wp-image-900613\" src=\"https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-300x225.jpg 300w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-1024x768.jpg 1024w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-768x576.jpg 768w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-1536x1152.jpg 1536w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-2048x1536.jpg 2048w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-500x375.jpg 500w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-800x600.jpg 800w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-1280x960.jpg 1280w, https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_1026181-1920x1440.jpg 1920w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" class=\"alignnone size-medium wp-image-900614\" src=\"https:\/\/www.bihec.com\/stanford-research-systems\/wp-content\/uploads\/sites\/65\/2024\/07\/IMG_20240327_102710-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" 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