{"id":29711,"date":"2022-09-05T13:43:12","date_gmt":"2022-09-05T05:43:12","guid":{"rendered":"https:\/\/www.bihec.com\/alphalab\/?p=29711"},"modified":"2022-09-05T13:43:12","modified_gmt":"2022-09-05T05:43:12","slug":"alphalab%e7%a4%ba%e6%b3%a2%e5%99%a8%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8-lna10","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/alphalab\/alphalab%e7%a4%ba%e6%b3%a2%e5%99%a8%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8-lna10\/","title":{"rendered":"Alphalab\u793a\u6ce2\u5668\u524d\u7f6e\u653e\u5927\u5668 LNA10"},"content":{"rendered":"
Alphalab\u793a\u6ce2\u5668\u524d\u7f6e\u653e\u5927\u5668 LNA10<\/a><\/strong><\/p>\n \u4ea7\u54c1\u63cf\u8ff0\uff1a<\/b><\/strong>\u4f7f\u7528\u6b64\u524d\u7f6e\u653e\u5927\u5668<\/a>\uff0c\u4e9a\u5fae\u4f0f\u4fe1\u53f7\u53ef\u4ee5\u663e\u793a\u5728\u901a\u5e38\u4ec5\u5728\u5782\u76f4\u8f74\u4e0a\u4e0b\u964d\u5230 1mV\/div \u7684\u793a\u6ce2\u5668\u4e0a\u3002\u524d\u7f6e\u653e\u5927\u5668\u5305\u62ec\u4e00\u4e2a\u6a21\u62df\u771f\u5dee\u5206\u8f93\u5165\u548c\u4e00\u4e2a\u6a21\u62df\u4f4e\u901a\u6ee4\u6ce2\u5668\uff08\u53ef\u8c03\u8c10 1Hz-1MHz\uff09\u3002f >100Hz \u7684\u8f93\u5165\u53c2\u8003 RMS \u566a\u58f0\u9891\u8c31\u4e3a 4 nV\/\u221aHz \u6216\u66f4\u5c0f\uff0c\u4f8b\u5982\uff0c\u5373\u4f7f\u589e\u76ca\u4e3a 1000 x\uff0c100 Hz \u81f3 1000 Hz \u7684\u603b\u566a\u58f0\u5728 1mV \u65f6\u5c0f\u4e8e 1 div \u5cf0\u5cf0\u503c\/div \u5782\u76f4\u8303\u56f4\u8bbe\u7f6e\uff08\u5047\u8bbe\u4f4e\u963b\u6297\u8f93\u5165\uff09\u3002\u5927\u591a\u6570\u793a\u6ce2\u5668\u8bbe\u8ba1\u7528\u4e8e\u663e\u793a\u9ad8\u9891\uff08\u5feb\u901f\uff09\u4e8b\u4ef6\uff0c\u8fd9\u4e9b\u4e8b\u4ef6\u53ef\u80fd\u56fa\u6709\u5730\u5177\u6709\u6beb\u4f0f\u6216\u66f4\u9ad8\u7684\u566a\u58f0\u3002\u7136\u800c\uff0c\u4f4e\u9891\u4fe1\u53f7\u7684\u56fa\u6709\u566a\u58f0\u8981\u5c11\u5f97\u591a\uff0c\u56e0\u6b64\u4f4e\u566a\u58f0\u524d\u7f6e\u653e\u5927\u5668\u548c\u5e26\u5bbd\u9650\u5236\u6ee4\u6ce2\u5668\u5bf9\u4e8e\u4f4e\u9891\u5c0f\u4fe1\u53f7\u6765\u8bf4\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002*\u00a0\u5927\u591a\u6570\u653e\u5927\u5668\u5728\u9ad8\u4e8e ~1000 Hz \u7684\u6240\u6709\u9891\u7387\u4e0a\u90fd\u5177\u6709\u767d\u566a\u58f0\u9891\u8c31\uff08\u5e73\u5766\u7684\u9891\u8c31\u66f2\u7ebf\uff09\u3002\u6b64\u767d\u566a\u58f0\u9891\u8c31\u901a\u5e38\u6307\u5b9a\u4e3a\u6bcf \u221aHz \u7684\u4e00\u5b9a\u6570\u91cf\u7684 nV\u3002\u7136\u800c\uff0c\u4e0e\u5178\u578b\u7684\u65e0\u6e90\u7535\u963b\u5668\u4e0d\u540c\u7684\u662f\uff0c\u56fa\u6001\u653e\u5927\u5668\u7684\u7b49\u6548\u8f93\u5165\u566a\u58f0\u9891\u8c31\uff08\u4ee5 nV\/\u221aHz \u4e3a\u5355\u4f4d\uff09\u5728\u4f4e\u9891\u65f6\u53d8\u5f97\u66f4\u9ad8\u3002\u901a\u5e38\uff0c\u5bf9\u4e8e f \u2264\u00a010Hz\u00a0\uff0cnV\/\u221aHz \u7684\u6570\u91cf\u4e0e ~1\/f \u6210\u6b63\u6bd4\u3002\u4e0b\u8868\u663e\u793a\u4e86 LNA 10 \u5728\u4e0d\u540c\u9891\u7387\u8303\u56f4\u5185\u7684\u5b9e\u9645\u566a\u58f0\u3002\u5728\u6240\u6709\u9891\u7387\u4e0b\uff0cLNA 10 \u7684\u566a\u58f0\u90fd\u6bd4\u5178\u578b\u7684\u56fa\u6001\u653e\u5927\u5668\u5c0f\u5f97\u591a\u3002<\/p>\n *\u7535\u963b\u7535\u8def\u5728\u5ba4\u6e29\u4e0b\u7684\u56fa\u6709\u201c\u767d\u201d\u566a\u58f0\u4e0e\u221a\u00a0(R\u2219\u0394f) \u6210\u6b63\u6bd4\uff0c\u5b83\u662f\u6e90\u7535\u963b\u4e58\u4ee5\u6240\u7814\u7a76\u5e26\u5bbd\u7684\u4e58\u79ef\u7684\u5e73\u65b9\u6839\u3002\u5bf9\u4e8e\u4f4e\u6e90\u7535\u963b\u548c\u4f4e\u9891\u7387\uff0c\u566a\u58f0\u4f4e\u3002\u4f8b\u5982\uff0c1000 \u03a9 \u7535\u963b\u5668\u5728 \u0394f = 10 Hz \u5e26\u5bbd\u5185\u5c06\u5177\u6709 13 nV \u7684\u56fa\u6709 RMS \u566a\u58f0\uff0c\u5176\u4e2d 10 Hz \u662f\u5e26\u5bbd\uff0c\u4f8b\u5982\uff0c\u4e0e\u9891\u7387\u8303\u56f4 0-10 Hz \u6216\u9891\u7387\u8303\u56f4 102 \u76f8\u5173\u8054\u8d6b\u5179-112 \u8d6b\u5179\u3002\u5982\u679c\u6240\u7814\u7a76\u7684\u5e26\u5bbd\u662f 4 \u500d\u5bbd\uff08\u5373 40 Hz\uff09\uff0c\u6216\u8005\u5982\u679c\u7535\u963b\u4e58\u4ee5 4\uff0c\u5219\u566a\u58f0\u5c06\u53d8\u4e3a\u4e24\u500d\u3002\u00a0\u7279\u70b9<\/b><\/strong><\/p>\n <\/p>\n Alphalab\u793a\u6ce2\u5668\u524d\u7f6e\u653e\u5927\u5668 LNA10 \u4ea7\u54c1\u63cf\u8ff0\uff1a\u4f7f\u7528\u6b64\u524d\u7f6e\u653e\u5927\u5668\uff0c\u4e9a\u5fae\u4f0f\u4fe1\u53f7\u53ef\u4ee5\u663e\u793a\u5728\u901a\u5e38\u4ec5\u5728\u5782\u76f4\u8f74\u4e0a\u4e0b\u964d\u5230 1mV\/div \u7684\u793a\u6ce2\u5668\u4e0a\u3002\u524d\u7f6e\u653e\u5927\u5668\u5305\u62ec\u4e00\u4e2a\u6a21\u62df\u771f\u5dee\u5206\u8f93\u5165\u548c <\/p>\n","protected":false},"author":29,"featured_media":29712,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26],"tags":[101,100,99],"yoast_head":"\n\n\n
\n \u9891\u7387\u8303\u56f4\uff1a<\/b><\/strong><\/td>\n \u8f93\u5165\u53c2\u8003\u566a\u58f0\uff1a<\/b><\/strong><\/td>\n<\/tr>\n \n 10\u00a0-4\u00a0\u2013 10\u00a0-2\u00a0Hz\uff08\u9891\u7387\u8303\u56f4\uff1a2.8 \u5c0f\u65f6\u7684\u5012\u6570\u5230 100 \u79d2\u7684\u5012\u6570\uff09<\/strong><\/td>\n 50 nV \u6709\u6548\u503c<\/td>\n<\/tr>\n \n 10\u00a0-2\u00a0Hz \u2013 1 Hz\uff08\u9891\u7387\u8303\u56f4\uff1a100 \u79d2\u7684\u5012\u6570\u5230 1 \u79d2\u7684\u5012\u6570\uff09<\/strong><\/td>\n 20 nV \u6709\u6548\u503c<\/td>\n<\/tr>\n \n 1 \u2013 10 \u8d6b\u5179<\/strong><\/td>\n 18 nV RMS\u00a0\u00a0\uff08\u5e73\u5747 6nV\/\u221aHz\uff09<\/strong><\/td>\n<\/tr>\n \n 10 \u2013 100 \u8d6b\u5179<\/strong><\/td>\n 39 nV RMS (4.1nV\/\u221aHz)<\/strong><\/td>\n<\/tr>\n \n 100 \u8d6b\u5179\u4ee5\u4e0a<\/td>\n < 4 NV\/\u221aHz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n