\u77e2\u91cf\u4fe1\u53f7\u53d1\u751f\u5668<\/a><\/h3>\nSG390 \u7cfb\u5217\u77e2\u91cf\u4fe1\u53f7\u53d1\u751f\u5668\u2014\u9ad8\u6027\u80fd\u3001\u4ef7\u683c\u5b9e\u60e0\u7684 RF \u6e90\u3002\u5305\u62ec SG392\uff082 GHz\uff09\u3001SG394\uff084 GHz\uff09\u548c SG396\uff086 GHz\uff09\u4e09\u6b3e\u6a21\u578b\uff0c\u652f\u6301\u6a21\u62df\u548c\u77e2\u91cf\u8c03\u5236\u3002\u8be5\u4eea\u5668\u91c7\u7528\u65b0\u7684 RF \u5408\u6210\u6280\u672f\uff0c\u63d0\u4f9b\u65e0\u8c10\u6ce2\u5e72\u6270\u7684\u8f93\u51fa\uff0c\u4f4e\u76f8\u4f4d\u566a\u58f0\uff081 GHz \u65f6\u4e3a -116 dBc\/Hz\uff09\u548c\u5353\u8d8a\u7684\u9891\u7387\u5206\u8fa8\u7387\uff08\u4efb\u610f\u9891\u7387\u4e0b\u4e3a 1 \u03bcHz\uff09\u3002\u6807\u914d\u6a21\u62df\u8c03\u5236\u548c\u77e2\u91cf\u57fa\u5e26\u53d1\u751f\u5668\u3002<\/p>\n
\u65b0\u9891\u7387\u5408\u6210\u6280\u672f<\/strong><\/p>\n
SG390 \u7cfb\u5217\u4fe1\u53f7\u53d1\u751f\u5668\u57fa\u4e8e\u4e00\u79cd\u79f0\u4e3a\u201c\u6709\u7406\u8fd1\u4f3c\u9891\u7387\u5408\u6210\u201d\uff08RAFS\uff09\u7684\u65b0\u6280\u672f\u3002RAFS \u4f7f\u7528\u5c0f\u6574\u6570\u9664\u6570\u5728\u4f20\u7edf\u7684\u76f8\u4f4d\u9501\u5b9a\u73af\uff08PLL\uff09\u4e2d\u5408\u6210\u63a5\u8fd1\u671f\u671b\u9891\u7387\u7684\u4fe1\u53f7\uff0c\u901a\u8fc7\u8c03\u6574 PLL \u53c2\u8003\u9891\u7387\uff0c\u4f7f\u5176\u751f\u6210\u7cbe\u786e\u9891\u7387\uff0c\u4ece\u800c\u63d0\u4f9b\u4f4e\u76f8\u4f4d\u566a\u58f0\uff0c\u51e0\u4e4e\u65e0\u9650\u7684\u9891\u7387\u5206\u8fa8\u7387\uff0c\u65e0\u9700\u4f7f\u7528\u5206\u6570-N \u5408\u6210\u5668\u6216 YIG \u632f\u8361\u5668\u3002<\/p>\n
\u6a21\u62df\u8c03\u5236<\/strong><\/p>\n
SG390 \u4fe1\u53f7\u53d1\u751f\u5668\u63d0\u4f9b\u591a\u79cd\u8c03\u5236\u80fd\u529b\uff0c\u5305\u62ec\u5e45\u5ea6\u8c03\u5236\uff08AM\uff09\u3001\u9891\u7387\u8c03\u5236\uff08FM\uff09\u3001\u76f8\u4f4d\u8c03\u5236\uff08\u03a6M\uff09\u548c\u8109\u51b2\u8c03\u5236\u3002\u5185\u90e8\u8c03\u5236\u6e90\u751f\u6210\u6b63\u5f26\u6ce2\u3001\u659c\u5761\u6ce2\u3001\u952f\u9f7f\u6ce2\u3001\u65b9\u6ce2\u548c\u566a\u58f0\u6ce2\u5f62\u3002\u5916\u90e8\u8c03\u5236\u4fe1\u53f7\u53ef\u63a5\u5165\u540e\u9762\u677f\u7684\u8c03\u5236\u8f93\u5165\u3002\u5185\u90e8\u8c03\u5236\u53d1\u751f\u5668\u4f5c\u4e3a\u8f93\u51fa\u4e5f\u53ef\u5728\u540e\u9762\u677f\u627e\u5230\u3002\u4e0e\u4f20\u7edf\u6a21\u62df\u4fe1\u53f7\u53d1\u751f\u5668\u4e0d\u540c\uff0cSG390 \u7cfb\u5217\u53ef\u5728 DC \u5230 62.5 MHz \u9891\u7387\u8303\u56f4\u5185\u8fde\u7eed\u626b\u9891\uff0c62.5 MHz \u4ee5\u4e0a\u7684\u626b\u9891\u8303\u56f4\u8d85\u8fc7\u4e00\u4e2a\u500d\u9891\u7a0b\u3002<\/p>\n
\u77e2\u91cf\u8c03\u5236<\/strong><\/p>\n
SG390 \u7cfb\u5217\u652f\u6301 RF \u8f7d\u6ce2\u9891\u7387\u5728 400 MHz \u81f3 6.075 GHz \u4e4b\u95f4\u7684\u5b8c\u6574\u77e2\u91cf\u4fe1\u53f7\u8c03\u5236\u3002\u5177\u5907 125 MHz \u5de5\u4f5c\u9891\u7387\u7684\u53cc\u57fa\u5e26\u4efb\u610f\u6ce2\u5f62\u53d1\u751f\u5668\uff0c\u652f\u6301\u5e38\u89c1\u77e2\u91cf\u8c03\u5236\u65b9\u6848\uff1aASK\u3001QPSK\u3001DQPSK\u3001\u03c0\/4 DQPSK\u30018PSK\u3001FSK\u3001CPM\u3001QAM\uff084 \u81f3 256\uff09\u30018VSB \u548c 16VSB\u3002\u5185\u7f6e\u6807\u51c6\u8109\u51b2\u6210\u5f62\u6ee4\u6ce2\u5668\uff0c\u5305\u62ec\u5347\u4f59\u5f26\u3001\u6839\u5347\u4f59\u5f26\u3001\u9ad8\u65af\u3001\u77e9\u5f62\u3001\u4e09\u89d2\u5f62\u7b49\uff0c\u8fd8\u652f\u6301\u76f4\u63a5\u6ce8\u5165\u52a0\u6027\u767d\u566a\u58f0\uff08AWGN\uff09\u3002<\/p>\n
\u5185\u90e8\u57fa\u5e26\u53d1\u751f\u5668<\/strong><\/p>\n
SG390 \u7cfb\u5217\u91c7\u7528\u65b0\u578b I\/Q \u8c03\u5236\u67b6\u6784\uff0c\u63d0\u4f9b\u5feb\u901f\u3001\u7528\u6237\u53cb\u597d\u7684\u6ce2\u5f62\u751f\u6210\u3002\u57fa\u5e26\u53d1\u751f\u5668\u652f\u6301\u64ad\u653e\u7eaf\u6570\u5b57\u6570\u636e\uff0c\u81ea\u52a8\u5c06\u6570\u5b57\u7b26\u53f7\u6620\u5c04\u5230\u9009\u5b9a\u7684 I\/Q \u661f\u5ea7\uff0c\u7b26\u53f7\u901f\u7387\u9ad8\u8fbe 6 MHz\uff0c\u5e76\u901a\u8fc7\u9009\u5b9a\u7684\u8109\u51b2\u6210\u5f62\u6ee4\u6ce2\u5668\u751f\u6210\u6700\u7ec8\u6ce2\u5f62\u3002\u6b64\u57fa\u5e26\u4fe1\u53f7\u901a\u8fc7\u6807\u51c6 I\/Q \u8c03\u5236\u6280\u672f\u8c03\u5236\u5230 RF \u8f7d\u6ce2\u4e0a\u3002\u9884\u8bbe\u7684\u901a\u4fe1\u534f\u8bae\uff08\u5982 GSM\u3001GSM EDGE\u3001W-CDMA\u3001APCO-25\u3001DECT \u7b49\uff09\u53ef\u5feb\u901f\u914d\u7f6e\u4fe1\u53f7\u53d1\u751f\u5668\u7684\u8c03\u5236\u7c7b\u578b\u3001\u7b26\u53f7\u6570\u636e\u901f\u7387\u7b49\uff0c\u65e0\u9700\u5916\u90e8\u8ba1\u7b97\u673a\u6216\u7b2c\u4e09\u65b9\u8f6f\u4ef6\u3002<\/p>\n
\u5916\u90e8 I\/Q \u8c03\u5236<\/strong><\/p>\n
\u540e\u9762\u677f BNC I\/Q \u8c03\u5236\u8f93\u5165\u548c\u8f93\u51fa\u652f\u6301\u901a\u8fc7\u5916\u90e8\u6e90\u8fdb\u884c\u4efb\u610f\u77e2\u91cf\u8c03\u5236\uff0c\u5916\u90e8\u4fe1\u53f7\u8def\u5f84\u652f\u6301\u8d85\u8fc7 300 MHz \u5e26\u5bbd\uff0c\u6ee1\u91cf\u7a0b\u8303\u56f4\u4e3a \u00b10.5 V\uff0c\u8f93\u5165\u963b\u6297\u4e3a 50 \u03a9\u3002<\/p>\n
\u529f\u7387\u4e0e\u9891\u7387<\/strong><\/p>\n
\u6240\u6709 SRS<\/a> RF \u4fe1\u53f7\u53d1\u751f\u5668\u5747\u5177\u6709\u7ea7\u8054\u653e\u5927\u5668\u548c\u6570\u5b57\u8870\u51cf\u5668\uff0c\u63d0\u4f9b\u6700\u591a +25 dB \u7684\u589e\u76ca\u548c -130 dB \u7684\u8870\u51cf\u3002\u901a\u8fc7\u5de5\u5382\u6821\u51c6\uff0c\u8f93\u51fa\u529f\u7387\u5728\u6bcf\u4e2a\u8870\u51cf\u5668\u6b65\u8fdb\u7684 32 \u4e2a\u9891\u7387\u70b9\u4e0a\u6d4b\u91cf\uff0c\u5e76\u4f7f\u7528\u5185\u5b58\u77e9\u9635\u8fdb\u884c\u63d2\u503c\uff0c\u786e\u4fdd\u6700\u4f73\u8870\u51cf\u5668\u8bbe\u7f6e\u3002\u6a21\u62df\u8870\u51cf\u5668\u7528\u4e8e\u5728\u77e9\u9635\u5143\u7d20\u4e4b\u95f4\u63d0\u4f9b 0.01 dB \u5206\u8fa8\u7387\uff0c\u5e76\u8865\u507f\u6b8b\u4f59\u7684\u70ed\u6548\u5e94\u3002<\/p>\n
OCXO \u6216\u94f7\u57fa\u51c6<\/strong><\/p>\n
SG390 \u7cfb\u5217\u914d\u5907\u70e4\u7bb1\u63a7\u5236\u6676\u4f53\u632f\u8361\u5668\uff08OCXO\uff09\u57fa\u51c6\uff0c\u63d0\u4f9b\u975e\u5e38\u4f4e\u7684\u76f8\u4f4d\u566a\u58f0\u548c\u8001\u5316\u3002\u53ef\u9009\u7684\u94f7\u632f\u8361\u5668<\/a>\uff08Opt. 04\uff09\u53ef\u663e\u8457\u964d\u4f4e\u9891\u7387\u8001\u5316\u5e76\u6539\u5584\u6e29\u5ea6\u7a33\u5b9a\u6027\u3002\u540e\u9762\u677f\u63d0\u4f9b\u5916\u90e8 10 MHz \u57fa\u51c6\u8f93\u5165\u3002<\/p>\n
\u7b80\u4fbf\u901a\u8baf<\/strong><\/p>\n
SG390 \u7cfb\u5217\u6a21\u62df\u89c4\u683c<\/h3>\n
\u9891\u7387\u8bbe\u7f6e<\/strong><\/p>\n
- \n
- \u9891\u7387\u8303\u56f4<\/strong>\n
- \n
- DC \u5230 62.5 MHz\uff08BNC \u8f93\u51fa\uff0c\u6240\u6709\u578b\u53f7\uff09<\/li>\n
- SG392\uff1a950 kHz \u5230 2.025 GHz\uff08N \u578b\u8f93\u51fa\uff09<\/li>\n
- SG394\uff1a950 kHz \u5230 4.05 GHz\uff08N \u578b\u8f93\u51fa\uff09<\/li>\n
- SG396\uff1a950 kHz \u5230 6.075 GHz\uff08N \u578b\u8f93\u51fa\uff09<\/li>\n<\/ul>\n<\/li>\n
- \u9891\u7387\u7a33\u5b9a\u6027<\/strong>\uff1a<1\u00d710^-11\uff081 \u79d2 Allan \u65b9\u5dee\uff09<\/li>\n
- \u9891\u7387\u5206\u8fa8\u7387<\/strong>\uff1a\u4efb\u610f\u9891\u7387\u4e0b\u4e3a 1 \u00b5Hz<\/li>\n
- \u5207\u6362\u901f\u5ea6<\/strong>\uff1a<8 \u6beb\u79d2\uff08\u8bef\u5dee\u5c0f\u4e8e 1 ppm\uff09<\/li>\n
- \u9891\u7387\u8bef\u5dee<\/strong>\uff1a<(10^-18 + \u65f6\u95f4\u57fa\u51c6\u8bef\u5dee) \u00d7 fC<\/li>\n<\/ul>\n
\u524d\u9762\u677f BNC \u8f93\u51fa<\/strong><\/p>\n
- \n
- \u9891\u7387\u8303\u56f4<\/strong>\uff1aDC \u5230 62.5 MHz<\/li>\n
- \u5e45\u5ea6<\/strong>\uff1a1.00 \u5230 0.001 Vrms<\/li>\n
- \u504f\u7f6e<\/strong>\uff1a\u00b11.5 VDC<\/li>\n
- \u504f\u7f6e\u5206\u8fa8\u7387<\/strong>\uff1a5 mV<\/li>\n
- \u6700\u5927\u504f\u79fb<\/strong>\uff1a1.817 V\uff08\u5e45\u5ea6 + \u504f\u7f6e\uff09<\/li>\n
- \u5e45\u5ea6\u5206\u8fa8\u7387<\/strong>\uff1a<1%<\/li>\n
- \u5e45\u5ea6\u51c6\u786e\u5ea6<\/strong>\uff1a\u00b15%<\/li>\n
- \u8c10\u6ce2<\/strong>\uff1a<-40 dBc<\/li>\n
- \u6742\u6563\u4fe1\u53f7<\/strong>\uff1a<-75 dBc<\/li>\n
- \u8f93\u51fa\u8026\u5408<\/strong>\uff1aDC\uff0c50 \u03a9 \u00b12%<\/li>\n
- \u7528\u6237\u8d1f\u8f7d<\/strong>\uff1a50 \u03a9<\/li>\n
- \u53cd\u5411\u4fdd\u62a4<\/strong>\uff1a\u00b15 VDC<\/li>\n<\/ul>\n
\u524d\u9762\u677f N \u578b\u8f93\u51fa<\/strong><\/p>\n
- \n
- \u9891\u7387\u8303\u56f4<\/strong>\n
- \n
- SG392\uff1a950 kHz \u5230 2.025 GHz<\/li>\n
- SG394\uff1a950 kHz \u5230 4.05 GHz<\/li>\n
- SG396\uff1a950 kHz \u5230 6.075 GHz<\/li>\n<\/ul>\n<\/li>\n
- \u529f\u7387\u8f93\u51fa<\/strong>\n
- \n
- SG392\uff1a+16.5 dBm \u5230 -110 dBm<\/li>\n
- SG394\uff1a+16.5 dBm \u5230 -110 dBm\uff08<3 GHz\uff09<\/li>\n
- SG396\uff1a+16.5 dBm \u5230 -110 dBm\uff08<4 GHz\uff09<\/li>\n<\/ul>\n<\/li>\n
- \u7535\u538b\u8f93\u51fa<\/strong>\n
- \n
- SG392\uff1a1.5 Vrms \u5230 0.7 \u00b5Vrms<\/li>\n
- SG394\uff1a1.5 Vrms \u5230 0.7 \u00b5Vrms\uff08<3 GHz\uff09<\/li>\n
- SG396\uff1a1.5 Vrms \u5230 0.7 \u00b5Vrms\uff08<4 GHz\uff09<\/li>\n<\/ul>\n<\/li>\n
- \u529f\u7387\u5206\u8fa8\u7387<\/strong>\uff1a0.01 dBm<\/li>\n
- \u529f\u7387\u51c6\u786e\u5ea6<\/strong>\uff1a\u00b11 dB\uff08\u00b12 dB\uff0c4 GHz \u4ee5\u4e0a\u53ca +5 dBm \u6216 –100<\/a> dBm \u4ee5\u4e0a\uff09<\/li>\n
- \u8f93\u51fa\u8026\u5408<\/strong>\uff1aAC\uff0c50 \u03a9<\/li>\n
- \u7528\u6237\u8d1f\u8f7d<\/strong>\uff1a50 \u03a9<\/li>\n
- \u9a7b\u6ce2\u6bd4<\/strong>\uff1a<1.6<\/li>\n
- \u53cd\u5411\u4fdd\u62a4<\/strong>\uff1a30 VDC\uff0c+25 dBm RF<\/li>\n<\/ul>\n
RF \u8f93\u51fa\u7684\u8c31\u7eaf\u5ea6\uff08\u4ee5 1 GHz \u4e3a\u53c2\u8003\uff09<\/strong><\/p>\n
- \n
- \u4e9a\u8c10\u6ce2<\/strong>\uff1a\u65e0\uff084 GHz \u4ee5\u4e0b\u672a\u4f7f\u7528\u500d\u9891\u5668\uff09<\/li>\n
- \u8c10\u6ce2<\/strong>\uff1a<-25 dBc\uff08N \u578b\u8f93\u51fa\u4e0a +7 dBm \u4ee5\u4e0b\uff09<\/li>\n
- \u6742\u6563\u4fe1\u53f7<\/strong>\n
- \n
- <10 kHz \u504f\u79fb\uff1a<-65 dBc<\/li>\n
- \n
10 kHz \u504f\u79fb\uff1a<-75 dBc<\/p><\/blockquote>\n<\/li>\n<\/ul>\n<\/li>\n
- \u76f8\u4f4d\u566a\u58f0\uff08\u5178\u578b\u503c\uff09<\/strong>\n
- \n
- 10 Hz \u504f\u79fb\uff1a-80 dBc\/Hz<\/li>\n
- 1 kHz \u504f\u79fb\uff1a-102 dBc\/Hz<\/li>\n
- 20 kHz \u504f\u79fb\uff1a-116 dBc\/Hz\uff08SG392 \u548c SG394\uff09\uff0c-114 dBc\/Hz\uff08SG396\uff09<\/li>\n
- 1 MHz \u504f\u79fb\uff1a-130 dBc\/Hz\uff08SG392 \u548c SG394\uff09\uff0c-124 dBc\/Hz\uff08SG396\uff09<\/li>\n<\/ul>\n<\/li>\n
- \u6b8b\u4f59 FM\uff08\u5178\u578b\u503c\uff09<\/strong>\uff1a1 Hz rms\uff08300 Hz \u5230 3 kHz \u5e26\u5bbd\uff09<\/li>\n
- \u6b8b\u4f59 AM\uff08\u5178\u578b\u503c\uff09<\/strong>\uff1a0.006% rms\uff08300 Hz \u5230 3 kHz \u5e26\u5bbd\uff09<\/li>\n<\/ul>\n
\u6742\u6563\u4fe1\u53f7\u3001\u76f8\u4f4d\u566a\u58f0\u548c\u6b8b\u4f59 FM \u4f1a\u968f\u7740\u8f7d\u6ce2\u9891\u7387\u7684\u53d8\u5316\u6309 6 dB\/\u500d\u9891\u7a0b\u7684\u6bd4\u4f8b\u8fdb\u884c\u7f29\u653e<\/em><\/p>\n
\u524d\u9762\u677f\u8f93\u51fa\u7684\u76f8\u4f4d\u8bbe\u7f6e<\/strong><\/p>\n
- \n
- \u6700\u5927\u76f8\u4f4d\u6b65\u8fdb<\/strong>\uff1a\u00b1360\u00b0<\/li>\n
- \u76f8\u4f4d\u5206\u8fa8\u7387<\/strong>\uff1a\n
- \n
- DC \u5230 100 MHz\uff1a0.01\u00b0<\/li>\n
- 100 MHz \u5230 1 GHz\uff1a0.1\u00b0<\/li>\n
- 1 GHz \u5230 6.075 GHz\uff1a1.0\u00b0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u6807\u51c6 OCXO \u57fa\u51c6<\/strong><\/p>\n
- \n
- \u632f\u8361\u5668\u7c7b\u578b<\/strong>\uff1a\u70e4\u7bb1\u63a7\u5236\uff0c\u7b2c\u4e09\u8c10\u6ce2 SC \u5207\u5272\u6676\u4f53<\/li>\n
- \u7a33\u5b9a\u6027\uff080 \u81f3 45\u00b0C\uff09<\/strong>\uff1a<\u00b10.002 ppm<\/li>\n
- \u8001\u5316<\/strong>\uff1a<\u00b10.05 ppm\/\u5e74<\/li>\n<\/ul>\n
\u94f7\u57fa\u51c6\uff08\u9009\u914d 04\uff09<\/strong><\/p>\n
- \n
- \u632f\u8361\u5668\u7c7b\u578b<\/strong>\uff1a\u70e4\u7bb1\u63a7\u5236\uff0c\u7b2c\u4e09\u8c10\u6ce2 SC \u5207\u5272\u6676\u4f53<\/li>\n
- \u7269\u7406\u7ec4\u4ef6<\/strong>\uff1a\u94f7\u84b8\u6c7d\u9891\u7387\u5224\u522b\u5668<\/li>\n
- \u7a33\u5b9a\u6027\uff080 \u81f3 45\u00b0C\uff09<\/strong>\uff1a<\u00b10.0001 ppm<\/li>\n
- \u8001\u5316<\/strong>\uff1a<\u00b10.001 ppm\/\u5e74<\/li>\n<\/ul>\n
\u57fa\u51c6\u8f93\u5165<\/strong><\/p>\n
- \n
- \u9891\u7387<\/strong>\uff1a10 MHz\uff0c\u00b12 ppm<\/li>\n
- \u5e45\u5ea6<\/strong>\uff1a0.5 \u5230 4 Vpp\uff08-2 dBm \u5230 +16 dBm\uff09<\/li>\n
- \u8f93\u5165\u963b\u6297<\/strong>\uff1a50 \u03a9\uff0cAC \u8026\u5408<\/li>\n<\/ul>\n
\u57fa\u51c6\u8f93\u51fa<\/strong><\/p>\n
- \n
- \u9891\u7387<\/strong>\uff1a10 MHz\uff0c\u6b63\u5f26\u6ce2<\/li>\n
- \u6765\u6e90<\/strong>\uff1a50 \u03a9\uff0cDC \u53d8\u538b\u5668\u8026\u5408<\/li>\n
- \u5e45\u5ea6<\/strong>\uff1a1.75 Vpp \u00b110%\uff088.8 \u00b1 dBm\uff09<\/li>\n<\/ul>\n
\u8f93\u51fa\u529f\u7387\u8bef\u5dee<\/strong><\/p>\n
- \n
- SG392 \u529f\u7387\u8bef\u5dee\uff1a-30 dBm \u5230 +10 dBm\uff0cDC \u5230 2 GHz<\/li>\n
- SG394 \u529f\u7387\u8bef\u5dee\uff1a-30 dBm \u5230 +10 dBm\uff0cDC \u5230 4 GHz<\/li>\n
- SG396 \u529f\u7387\u8bef\u5dee\uff1a-30 dBm \u5230 +10 dBm\uff0cDC \u5230 6 GHz<\/li>\n<\/ul>\n
\u5185\u90e8\u8c03\u5236\u6e90<\/strong><\/p>\n
- \n
- \u6ce2\u5f62<\/strong>\uff1a\u6b63\u5f26\u6ce2\u3001\u659c\u5761\u6ce2\u3001\u952f\u9f7f\u6ce2\u3001\u65b9\u6ce2\u3001\u8109\u51b2\u3001\u566a\u58f0<\/li>\n
- \u6b63\u5f26\u6ce2 THD<\/strong>\uff1a-80 dBc\uff08\u5178\u578b\u503c\u5728 20 kHz\uff09<\/li>\n
- \u659c\u5761\u7ebf\u6027\u5ea6<\/strong>\uff1a<0.05%\uff081 kHz\uff09<\/li>\n
- \u9891\u7387\u8303\u56f4<\/strong>\uff1a\n
- \n
- fc \u2264 62.5 MHz\uff08SG392 \u548c SG394\uff09\uff0cfc \u2264 93.75 MHz\uff08SG396\uff09\uff1a1 \u00b5Hz \u5230 500 kHz<\/li>\n
- fc > 62.5 MHz\uff08SG392 \u548c SG394\uff09\uff0cfc > 93.75 MHz\uff08SG396\uff09\uff1a1 \u00b5Hz \u5230 50 kHz<\/li>\n<\/ul>\n<\/li>\n
- \u9891\u7387\u5206\u8fa8\u7387<\/strong>\uff1a1 \u00b5Hz<\/li>\n
- \u9891\u7387\u8bef\u5dee<\/strong>\uff1a<1:231 + \u65f6\u95f4\u57fa\u51c6\u8bef\u5dee<\/li>\n
- \u566a\u58f0\u51fd\u6570<\/strong>\uff1a\u767d\u566a\u58f0\u9ad8\u65af\uff08rms = dev\/5\uff09<\/li>\n
- \u566a\u58f0\u5e26\u5bbd<\/strong>\uff1a1 \u00b5Hz < ENBW < kHz<\/li>\n
- \u8109\u51b2\u53d1\u751f\u5668\u5468\u671f<\/strong>\uff1a1 \u00b5s \u5230 10 s<\/li>\n
- \u8109\u51b2\u5bbd\u5ea6<\/strong>\uff1a100 ns \u5230 9999.9999 ms<\/li>\n
- \u8109\u51b2\u5b9a\u65f6\u5206\u8fa8\u7387<\/strong>\uff1a5 ns<\/li>\n
- \u8109\u51b2\u566a\u58f0\u51fd\u6570<\/strong>\uff1aPRBS 25 – 2^19\uff0c\u4f4d\u5468\u671f\uff08100 + 5N\uff09ns<\/li>\n<\/ul>\n
\u8c03\u5236\u6ce2\u5f62\u8f93\u51fa<\/strong><\/p>\n
- \n
- \u8f93\u51fa\u963b\u6297<\/strong>\uff1a50 \u03a9\uff08\u7528\u4e8e\u53cd\u5411\u7ec8\u7aef\uff09<\/li>\n
- \u7528\u6237\u8d1f\u8f7d<\/strong>\uff1a\u672a\u7ec8\u7aef\u7684 50 \u03a9 \u540c\u8f74\u7535\u7f06<\/li>\n
- AM, FM, \u00d8M<\/strong>\uff1a\u00b11 V \u5bf9\u5e94 \u00b1 \u5168\u504f\u5dee<\/li>\n
- \u8109\u51b2\/\u7a7a\u767d<\/strong>\uff1a”\u4f4e” = 0 V\uff0c”\u9ad8” = 3.3 VDC<\/li>\n<\/ul>\n
\u5916\u90e8\u8c03\u5236\u8f93\u5165<\/strong><\/p>\n
- \n
- \u6a21\u5f0f<\/strong>\uff1aAM\u3001FM\u3001\u00d8M\u3001\u8109\u51b2\u3001\u7a7a\u767d<\/li>\n
- \u672a\u8c03\u5236\u6c34\u5e73<\/strong>\uff1a0 V \u8f93\u5165\u65e0\u8c03\u5236\u8f7d\u6ce2<\/li>\n
- AM\u3001FM\u3001\u00d8M<\/strong>\uff1a\u00b11 V \u8f93\u5165\u5bf9\u5e94 \u00b1 \u5168\u504f\u5dee<\/li>\n
- \u8c03\u5236\u5e26\u5bbd<\/strong>\uff1a>100 kHz<\/li>\n
- \u8c03\u5236\u5931\u771f<\/strong>\uff1a<-60 dB<\/li>\n
- \u8f93\u5165\u963b\u6297<\/strong>\uff1a100 k\u03a9<\/li>\n
- \u8f93\u5165\u504f\u7f6e<\/strong>\uff1a<500 \u00b5V<\/li>\n
- \u8109\u51b2\/\u7a7a\u767d\u9608\u503c<\/strong>\uff1a+1 VDC<\/li>\n<\/ul>\n
\u5e45\u5ea6\u8c03\u5236<\/strong><\/p>\n
- \n
- \u8303\u56f4<\/strong>\uff1a0 \u5230 100%\uff08\u8f93\u51fa\u529f\u7387\u9ad8\u4e8e +7 dBm \u65f6\u51cf\u5c11\uff09<\/li>\n
- \u5206\u8fa8\u7387<\/strong>\uff1a0.1%<\/li>\n
- \u8c03\u5236\u6e90<\/strong>\uff1a\u5185\u90e8\u6216\u5916\u90e8<\/li>\n
- \u8c03\u5236\u5931\u771f<\/strong>\uff1a\n
- \n
- <1%\uff08fc < 62.5 MHz\uff0cfm = 1 kHz\uff0cBNC \u8f93\u51fa\uff09<\/li>\n
- <3%\uff08fc > 62.5 MHz\uff0cfm = 1 kHz\uff0cN \u578b\u8f93\u51fa\uff09<\/li>\n<\/ul>\n<\/li>\n
- \u8c03\u5236\u5e26\u5bbd<\/strong>\uff1a>100 kHz<\/li>\n<\/ul>\n
\u9891\u7387\u8c03\u5236<\/strong><\/p>\n
- \n
- \u6700\u5c0f\u9891\u7387\u504f\u5dee<\/strong>\uff1a0.1 Hz<\/li>\n
- \u6700\u5927\u9891\u7387\u504f\u5dee<\/strong>\n
- \n
- SG392 & SG394\uff1a\n
- \n
- \u5c0f\u4e8e fc \u6216 (64 MHz – fc)\uff08fc < 62.5 MHz\uff09<\/li>\n
- 1 MHz\uff0862.5 MHz < fc \u2264 126.5625 MHz\uff09<\/li>\n
- 2 MHz\uff08126.5625 MHz < fc \u2264 253.1250 MHz\uff09<\/li>\n
- 4 MHz\uff08253.1250 MHz < fc \u2264 506.25 MHz\uff09<\/li>\n
- 8 MHz\uff08506.25 MHz < fc \u2264 1.0125 GHz\uff09<\/li>\n
- 16 MHz\uff081.0125 GHz < fc \u2264 2.025 GHz\uff09<\/li>\n
- 32 MHz\uff082.025 GHz < fc \u2264 4 GHz\uff0cSG394\uff09<\/li>\n<\/ul>\n<\/li>\n
- SG396\uff1a\n
- \n
- \u5c0f\u4e8e fc \u6216 (96 MHz – fc)\uff08fc < 93.75 MHz\uff09<\/li>\n
- 1 MHz\uff0893.75 MHz < fc \u2264 189.84375 MHz\uff09<\/li>\n
- 2 MHz\uff08189.84375 MHz < fc \u2264 379.6875 MHz\uff09<\/li>\n
- 4 MHz\uff08379.6875 MHz < fc \u2264 759.375 MHz\uff09<\/li>\n
- 8 MHz\uff08759.375 MHz < fc \u2264 1.51875 GHz\uff09<\/li>\n
- 16 MHz\uff081.51875 GHz < fc \u2264 3.0375 GHz\uff09<\/li>\n
- 32 MHz\uff083.0375 GHz < fc \u2264 6.075 GHz\uff0cSG394\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n
- \u504f\u5dee\u5206\u8fa8\u7387<\/strong>\uff1a0.1 Hz<\/li>\n
- \u504f\u5dee\u51c6\u786e\u5ea6<\/strong>\uff1a\n
- \n
- <0.1%\uff08fc \u2264 62.5 MHz\uff08SG392 & SG394\uff09\uff0cfc \u2264 93.75 MHz\uff08SG396\uff09\uff09<\/li>\n
- <3%\uff08fc > 62.5 MHz\uff08SG392 & SG394\uff09\uff0cfc > 93.75 MHz\uff08SG396\uff09\uff09<\/li>\n<\/ul>\n<\/li>\n
- \u8c03\u5236\u6e90<\/strong>\uff1a\u5185\u90e8\u6216\u5916\u90e8<\/li>\n
- \u8c03\u5236\u5931\u771f<\/strong>\uff1a<-60 dB\uff08fc = 100 MHz\uff0cfM = 1 kHz\uff0cfD = 1 kHz\uff09<\/li>\n
- \u5916\u90e8 FM \u8f7d\u6ce2\u504f\u79fb<\/strong>\uff1a<1:1,000 \u7684\u504f\u5dee<\/li>\n
- \u8c03\u5236\u5e26\u5bbd<\/strong>\uff1a\n
- \n
- 500 kHz\uff08fc \u2264 62.5 MHz\uff08SG392 & SG394\uff09\uff0cfc \u2264 93.75 MHz\uff08SG396\uff09\uff09<\/li>\n
- 100 kHz\uff08fc > 62.5 MHz\uff08SG392 & SG394\uff09\uff0cfc > 93.75 MHz\uff08SG396\uff09\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u9891\u7387\u626b\u63cf\uff08\u76f8\u4f4d\u8fde\u7eed\uff09<\/strong><\/p>\n
- \n
- \u9891\u7387\u8de8\u5ea6<\/strong>\uff1a10 Hz \u5230\u6574\u4e2a\u626b\u63cf\u8303\u56f4<\/li>\n
- \u626b\u63cf\u8303\u56f4<\/strong>\n
- \n
- SG392 & SG394\uff1a\n
- \n
- DC \u5230 64 MHz<\/li>\n
- 59.375 \u5230 128.125 MHz<\/li>\n
- 118.75 \u5230 256.25 MHz<\/li>\n
- 237.5 \u5230 512.5 MHz<\/li>\n
- 475 \u5230 1025 MHz<\/li>\n
- 950 \u5230 2050 MHz<\/li>\n
- 1900 \u5230 4100 MHz\uff08SG394\uff09<\/li>\n<\/ul>\n<\/li>\n
- SG396\uff1a\n
- \n
- DC \u5230 96 MHz<\/li>\n
- 89.0625 MHz \u5230 192.188 MHz<\/li>\n
- 178.125 MHz \u5230 384.375 MHz<\/li>\n
- 356.25 MHz \u5230 768.75 MHz<\/li>\n
- 712.5 MHz \u5230 1537.5 MHz<\/li>\n
- 1425 MHz \u5230 3075 MHz<\/li>\n
- 2850 MHz \u5230 6150 MHz<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n
- \u504f\u5dee\u5206\u8fa8\u7387<\/strong>\uff1a0.1 Hz<\/li>\n
- \u626b\u63cf\u6e90<\/strong>\uff1a\u5185\u90e8\u6216\u5916\u90e8<\/li>\n
- \u626b\u63cf\u5931\u771f<\/strong>\uff1a<0.1 Hz + \u504f\u5dee\/1,000<\/li>\n
- \u626b\u63cf\u504f\u79fb<\/strong>\uff1a<1:1,000 \u7684\u504f\u5dee<\/li>\n
- \u626b\u63cf\u529f\u80fd<\/strong>\uff1a\u4e09\u89d2\u6ce2\u3001\u659c\u5761\u6ce2\u6216\u6b63\u5f26\u6ce2\u626b\u63cf\uff0c\u6700\u9ad8 120 Hz<\/li>\n<\/ul>\n
\u76f8\u4f4d\u8c03\u5236<\/strong><\/p>\n
- \n
- \u504f\u5dee<\/strong>\uff1a0 \u5230 360\u00b0<\/li>\n
- \u504f\u5dee\u5206\u8fa8\u7387<\/strong>\uff1a\n
- \n
- 0.01\u00b0 \u5230 100 MHz<\/li>\n
- 0.1\u00b0 \u5230 1 GHz<\/li>\n
- 1\u00b0 \u4ee5\u4e0a 1 GHz<\/li>\n<\/ul>\n<\/li>\n
- \u504f\u5dee\u51c6\u786e\u5ea6<\/strong>\uff1a\n
- \n
- <0.1%\uff08fc \u2264 62.5 MHz\uff08SG392 & SG394\uff09\uff0cfc \u2264 93.75 MHz\uff08SG396\uff09\uff09<\/li>\n
- <3%\uff08fc > 62.5 MHz\uff08SG392 & SG394\uff09\uff0cfc > 93.75 MHz\uff08SG396\uff09\uff09<\/li>\n<\/ul>\n<\/li>\n
- \u8c03\u5236\u6e90<\/strong>\uff1a\u5185\u90e8\u6216\u5916\u90e8<\/li>\n
- \u8c03\u5236\u5931\u771f<\/strong>\uff1a<-60 dB\uff08fc = 100 MHz\uff0cfM =1 kHz\uff0c\u00d8D =50\u00b0\uff09<\/li>\n
- \u8c03\u5236\u5e26\u5bbd<\/strong>\uff1a\n
- \n
- 500 kHz\uff08fc \u2264 62.5 MHz\uff08SG392 & SG394\uff09\uff0cfc \u2264 93.75 MHz\uff08SG396\uff09\uff09<\/li>\n
- 100 kHz\uff08fc > 62.5 MHz\uff08SG392 & SG394\uff09\uff0cfc > 93.75 MHz\uff08SG396\uff09\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u8109\u51b2\/\u7a7a\u767d\u8c03\u5236<\/strong><\/p>\n
- \n
- \u8109\u51b2\u6a21\u5f0f<\/strong>\uff1a\u903b\u8f91”\u9ad8”\u4f7f RF “\u5f00”<\/li>\n
- \u7a7a\u767d\u6a21\u5f0f<\/strong>\uff1a\u903b\u8f91”\u9ad8”\u4f7f RF “\u5173”<\/li>\n
- \u5f00\/\u5173\u6bd4<\/strong>\n
- \n
- BNC \u8f93\u51fa\uff1a70 dB<\/li>\n
- N \u578b\u8f93\u51fa\uff1a\n
- \n
- fc < 1 GHz\uff1a57 dB<\/li>\n
- 1 GHz \u2264 fc < 4 GHz\uff1a40 dB<\/li>\n
- fc \u2265 4 GHz\uff1a35 dB<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n
- \u8109\u51b2\u4e32\u900f\u8fc7<\/strong>\uff1a20 ns \u5f00\u5173\u65f6\uff08\u5178\u578b\u503c\u4e3a\u8f7d\u6ce2\u7684 10%\uff09<\/li>\n
- \u5f00\/\u5173\u5ef6\u8fdf<\/strong>\uff1a60 ns<\/li>\n
- RF \u4e0a\u5347\/\u4e0b\u964d\u65f6\u95f4<\/strong>\uff1a20 ns<\/li>\n
- \u8c03\u5236\u6e90<\/strong>\uff1a\u5185\u90e8\u6216\u5916\u90e8\u8109\u51b2<\/li>\n<\/ul>\n
\u8ba1\u7b97\u673a\u63a5\u53e3<\/strong><\/p>\n
- \n
- \u4ee5\u592a\u7f51\uff08LAN\uff09<\/strong>\uff1a10\/100 Base-T\uff0c\u9ed8\u8ba4 TCP\/IP \u548c DHCP<\/li>\n
- GPIB<\/strong>\uff1aIEEE-488.2<\/li>\n
- RS-232<\/strong>\uff1a4800 \u5230 115,200 \u6ce2\u7279\u7387\uff0cRTS\/CTS \u6d41\u63a7\u5236\u7ebf<\/li>\n<\/ul>\n
\u4e00\u822c\u4fe1\u606f<\/strong><\/p>\n
- \n
- \u7535\u6e90<\/strong>\uff1a<90 W\uff0c90 \u5230 264 VAC\uff0c47 \u5230 63 Hz \u5e26 PFC<\/li>\n
- \u5c3a\u5bf8<\/strong>\uff1a8.5″ \u00d7 3.5″ \u00d7 13″\uff08\u5bbd \u00d7 \u9ad8 \u00d7 \u6df1\uff09<\/li>\n
- \u91cd\u91cf<\/strong>\uff1a10 lbs<\/li>\n
- \u4fdd\u4fee<\/strong>\uff1a\u4e00\u5e74\u7684\u6750\u6599\u548c\u5de5\u827a\u7f3a\u9677\u4fdd\u4fee<\/li>\n<\/ul>\n\n\n\n\n\n
\n \n\n\n\n\n\n\n\n\u8c03\u5236\u7c7b\u578b<\/h3>\n
- \n
- PSK<\/strong>\uff08\u76f8\u4f4d\u952e\u63a7\uff09\u3001QAM<\/strong>\uff08\u6b63\u4ea4\u632f\u5e45\u8c03\u5236\uff09\u3001FSK<\/strong>\uff08\u9891\u79fb\u952e\u63a7\uff09\u3001CPM<\/strong>\uff08\u8fde\u7eed\u76f8\u4f4d\u8c03\u5236\uff09\u3001MSK<\/strong>\uff08\u6700\u5c0f\u9891\u79fb\u952e\u63a7\uff09\u3001ASK<\/strong>\uff08\u5e45\u5ea6\u952e\u63a7\uff09\u3001VSB<\/strong>\uff08\u5e26\u6291\u5236\u6ce2\u8c03\u5236\uff09<\/li>\n
- PSK \u884d\u751f\u7c7b\u578b<\/strong>\uff1aPSK\u3001BPSK\uff08\u53cc\u76f8\u4f4d\u952e\u63a7\uff09\u3001QPSK\uff08\u56db\u76f8\u4f4d\u952e\u63a7\uff09\u3001OQPSK\uff08\u6b63\u4ea4 QPSK\uff09\u3001DQPSK\uff08\u5dee\u5206 QPSK\uff09\u3001\u03c0\/4DQPSK\uff08\u03c0\/4 \u5dee\u5206 QPSK\uff09\u30018 PSK\u300116 PSK\u30013\u03c0\/8 8 PSK<\/li>\n
- QAM \u884d\u751f\u7c7b\u578b<\/strong>\uff1a4\u300116\u300132\u300164\u3001256<\/li>\n
- FSK \u884d\u751f\u7c7b\u578b<\/strong>\uff1a1 \u4f4d\u5230 4 \u4f4d\uff0c\u504f\u5dee\u4ece 0 \u5230 6 MHz<\/li>\n
- ASK \u884d\u751f\u7c7b\u578b<\/strong>\uff1a1 \u4f4d\u5230 4 \u4f4d<\/li>\n
- CMP \u884d\u751f\u7c7b\u578b<\/strong>\uff1a1 \u4f4d\u5230 4 \u4f4d\uff0c\u8c03\u5236\u6307\u6570\u4ece 0 \u5230 1.0<\/li>\n
- VSB \u884d\u751f\u7c7b\u578b<\/strong>\uff1a8 \u548c 16\uff08\u901f\u7387\u6700\u9ad8 12 MS\/s\uff09<\/li>\n<\/ul>\n
\u9884\u8bbe\u6a21\u5f0f<\/h3>\n
- \n
- GSM\u3001GSM-EDGE\u3001W-CDMA\u3001APCO-25\u3001DECT\u3001NADC\u3001PDC\u3001TETRA\u3001ATSC DTV\u3001\u97f3\u9891\u7247\u6bb5<\/li>\n<\/ul>\n
- SG392 & SG394\uff1a\n
- SG392 & SG394\uff1a\n
- \u76f8\u4f4d\u566a\u58f0\uff08\u5178\u578b\u503c\uff09<\/strong>\n
- \u9891\u7387\u8303\u56f4<\/strong>\n