{"id":96681,"date":"2024-08-12T14:17:16","date_gmt":"2024-08-12T06:17:16","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=96681"},"modified":"2024-08-12T14:17:23","modified_gmt":"2024-08-12T06:17:23","slug":"dzsfdqdzy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/96681.html","title":{"rendered":"\u4f4e\u566a\u58f0\u653e\u5927\u5668\u7684\u4f5c\u7528"},"content":{"rendered":"\n
\u3000\u3000\u4f4e\u566a\u58f0\u653e\u5927\u5668(Low Noise Amplifier, LNA)<\/strong>\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u653e\u5927\u4ece\u7a7a\u4e2d\u63a5\u6536\u5230\u7684\u5fae\u5f31\u4fe1\u53f7\uff0c\u5e76\u964d\u4f4e\u566a\u58f0\u5e72\u6270\uff0c\u4ee5\u63d0\u4f9b\u7cfb\u7edf\u89e3\u8c03\u6240\u9700\u7684\u4fe1\u606f\u6570\u636e\u3002\u5176\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f4e\u566a\u58f0\u653e\u5927\u5668\u5728\u65e0\u7ebf\u901a\u4fe1\u548c\u5c04\u9891\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u901a\u8fc7\u653e\u5927\u5fae\u5f31\u4fe1\u53f7\u5e76\u5c3d\u91cf\u51cf\u5c11\u566a\u58f0\u5e72\u6270\uff0c\u4e3a\u540e\u7eed\u7684\u4fe1\u53f7\u5904\u7406\u63d0\u4f9b\u4e86\u9ad8\u8d28\u91cf\u7684\u8f93\u5165\u4fe1\u53f7\u3002<\/strong><\/p>\n\n\n\n \u3000\u3000\u4f4e\u566a\u58f0\u653e\u5927\u5668(Low Noise Amplifier\uff0cLNA)\u7684\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f4e\u566a\u58f0\u653e\u5927\u5668\u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u8fc7\u63a5\u6536\u5fae\u5f31\u4fe1\u53f7\u5e76\u653e\u5927\u8fd9\u4e9b\u4fe1\u53f7\uff0c\u540c\u65f6\u5c3d\u91cf\u51cf\u5c11\u566a\u58f0\u548c\u5931\u771f\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u7075\u654f\u5ea6\u548c\u4fe1\u566a\u6bd4\u3002<\/p>\n\n\n\n \u3000\u3000\u8bbe\u8ba1\u4f4e\u566a\u58f0\u653e\u5927\u5668(LNA)\u7684\u5339\u914d\u7f51\u7edc\u4ee5\u6700\u5c0f\u5316\u566a\u58f0\u529f\u7387\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u8f93\u5165\u8f93\u51fa\u963b\u6297\u5339\u914d\u3001\u6ee4\u6ce2\u7535\u8def\u7684\u8bbe\u8ba1\u3001\u53cd\u9988\u56de\u8def\u7684\u9009\u62e9\u4ee5\u53ca\u4f18\u5316\u7684Q\u503c\u7b49\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8bbe\u8ba1\u6b65\u9aa4\u548c\u65b9\u6cd5\uff1a<\/p>\n\n\n\n \u3000\u3000\u9009\u62e9\u5408\u9002\u7684\u8f93\u5165\u8f93\u51fa\u963b\u6297<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u901a\u8fc7\u5206\u6790\u7535\u8def\u7684\u6700\u4f73\u566a\u58f0\u5339\u914d\u548c\u6700\u4f73\u529f\u7387\u5339\u914d\uff0c\u6839\u636e\u7ed9\u5b9a\u7684\u8f93\u5165\u53cd\u5c04\u7cfb\u6570(S11)\u8ba1\u7b97\u51fa\u6700\u4f73\u6e90\u963b\u6297\uff0c\u5e76\u5229\u7528\u53f2\u5bc6\u65af\u5706\u56fe\u8fdb\u884c\u8be6\u7ec6\u7684\u8ba1\u7b97\u8fc7\u7a0b\uff0c\u5b9e\u73b0\u6700\u4f73\u566a\u58f0\u548c\u6700\u4f73\u529f\u7387\u4e4b\u95f4\u7684\u6298\u8877\u5339\u914d\u3002<\/p>\n\n\n\n \u3000\u3000\u8bbe\u8ba1\u4f4eQ\u503c\u5339\u914d\u7f51\u7edc<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728\u8bbe\u8ba1\u8d85\u5bbd\u5e26\u4f4e\u566a\u58f0\u653e\u5927\u5668\u65f6\uff0c\u53ef\u4ee5\u91c7\u7528\u57fa\u4e8e\u4f4eQ\u503c\u5339\u914d\u7f51\u7edc\u7684\u65b9\u6cd5\u3002\u5c06LC\u6ee4\u6ce2\u7535\u8def\u52a0\u5165\u504f\u7f6e\u7535\u8def\u4e2d\uff0c\u4ee5\u964d\u4f4e\u7cfb\u7edf\u566a\u58f0\u5e76\u8c03\u8282\u5339\u914d\u7f51\u7edc\u7684Q\u503c\u3002\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u53cd\u9988\u56de\u8def\uff0c\u63d0\u9ad8LNA\u7684\u5e26\u5bbd\u5e76\u8fdb\u4e00\u6b65\u8c03\u8282\u5339\u914d\u7f51\u7edc\u7684Q\u503c\u3002<\/p>\n\n\n\n \u3000\u3000\u4f18\u5316\u5339\u914d\u7f51\u7edc\u7ed3\u6784<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5229\u7528\u6676\u4f53\u7ba1\u81ea\u8eab\u7279\u70b9\uff0c\u8bbe\u8ba1\u4f18\u5316\u7684\u8f93\u5165\u8f93\u51fa\u5339\u914d\u7f51\u7edc\u3002\u7ed3\u5408\u5bbd\u5e26LNA\u7535\u8def\u8bbe\u8ba1\u7684\u5177\u4f53\u8981\u6c42\uff0c\u91c7\u7528\u4eff\u771f\u8f6f\u4ef6(\u5982ADS)\u5bf9\u7535\u8def\u8fdb\u884c\u4f18\u5316\u4eff\u771f\uff0c\u786e\u4fdd\u5339\u914d\u7f51\u7edc\u5728\u4e0d\u540c\u9891\u7387\u4e0b\u7684\u6027\u80fd\u7a33\u5b9a\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528\u5197\u4f59\u566a\u58f0\u6d88\u9664\u6280\u672f<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728\u4e00\u4e9b\u9ad8\u6027\u80fd\u4f4e\u566a\u58f0\u653e\u5927\u5668\u8bbe\u8ba1\u4e2d\uff0c\u53ef\u4ee5\u91c7\u7528\u65b0\u578b\u5197\u4f59\u566a\u58f0\u6d88\u9664\u6280\u672f(RnC)\uff0c\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u5728\u4e9a\u7eb3\u7c73\u8303\u56f4\u5185\u5b9e\u73b0\u66f4\u4f18\u7684\u566a\u58f0\u6027\u80fd\uff0c\u9002\u7528\u4e8e\u9ad8\u9891\u7387\u5e94\u7528\u3002<\/p>\n\n\n\n \u3000\u3000\u8003\u8651\u529f\u8017\u9650\u5236<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\uff0c\u8fd8\u9700\u8981\u8003\u8651\u529f\u8017\u9650\u5236\u6761\u4ef6\u4e0b\u7684\u566a\u58f0\u6700\u4f18\u5316\u3002\u901a\u8fc7\u8be6\u7ec6\u8ba8\u8bba\u963b\u6297\u5339\u914d\u53ca\u5c0f\u4fe1\u53f7\u589e\u76ca\u65b9\u9762\u7684\u8981\u6c42\uff0c\u91c7\u7528\u9002\u5f53\u7684\u5de5\u827a(\u59820.25\u03bcm CMOS\u5de5\u827a)\u8bbe\u8ba1\u4f4e\u566a\u58f0\u653e\u5927\u5668\u3002<\/p>\n\n\n\n \u3000\u3000\u4eff\u771f\u4e0e\u9a8c\u8bc1<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5bf9\u8bbe\u8ba1\u597d\u7684\u7535\u8def\u8fdb\u884cS\u53c2\u6570\u548c\u566a\u58f0\u7cfb\u6570(NF)\u7684\u4eff\u771f\uff0c\u786e\u4fdd\u5339\u914d\u7f51\u7edc\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u7b26\u5408\u9884\u671f\u3002<\/p>\n\n\n\n \u3000\u3000\u4f4e\u566a\u58f0\u653e\u5927\u5668(LNA)\u5728\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e2d\u7684\u6027\u80fd\u8868\u73b0\u6709\u663e\u8457\u5dee\u5f02\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u5176\u589e\u76ca\u3001\u566a\u58f0\u7cfb\u6570\u3001\u5e26\u5bbd\u548c\u7a33\u5b9a\u6027\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u4f4e\u566a\u58f0\u653e\u5927\u5668\u7528\u4e8e\u63a5\u6536\u4fe1\u53f7\u5e76\u653e\u5927\u5230\u5408\u9002\u7684\u6c34\u5e73\uff0c\u53ef\u4ee5\u63d0\u9ad8\u63a5\u6536\u673a\u7684\u7075\u654f\u5ea6\u548c\u4fe1\u53f7\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u5728\u79fb\u52a8\u901a\u4fe1\u4e2d\uff0c\u4f4e\u566a\u58f0\u653e\u5927\u5668\u80fd\u591f\u589e\u5f3a\u624b\u673a\u63a5\u6536\u57fa\u7ad9\u4fe1\u53f7\u7684\u80fd\u529b\uff0c\u63d0\u9ad8\u901a\u8bdd\u8d28\u91cf\u548c\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002<\/p>\n\n\n\n \u3000\u3000\u536b\u661f\u901a\u4fe1\u7cfb\u7edf\u9700\u8981\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u4fe1\u53f7\u65f6\u4fdd\u6301\u8f83\u4f4e\u7684\u566a\u58f0\uff0c\u56e0\u6b64\u4f4e\u566a\u58f0\u653e\u5927\u5668\u5728\u6b64\u7c7b\u5e94\u7528\u4e2d\u975e\u5e38\u91cd\u8981\u3002\u5b83\u80fd\u591f\u63d0\u5347\u63a5\u6536\u5230\u7684\u536b\u661f\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u6539\u5584\u56fe\u50cf\u8d28\u91cf\u3002<\/p>\n\n\n\n \u3000\u3000\u4f4e\u566a\u58f0\u653e\u5927\u5668\u5728\u8fd9\u4e9b\u5e94\u7528\u4e2d\u540c\u6837\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u4eec\u9700\u8981\u5728\u5fae\u5f31\u4fe1\u53f7\u6761\u4ef6\u4e0b\u5de5\u4f5c\uff0c\u4fdd\u6301\u9ad8\u7cbe\u5ea6\u548c\u9ad8\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u5c04\u7535\u671b\u8fdc\u955c\u5bf9\u4fe1\u53f7\u7684\u7075\u654f\u5ea6\u548c\u6e05\u6670\u5ea6\u8981\u6c42\u6781\u9ad8\uff0c\u56e0\u6b64\u4f4e\u566a\u58f0\u653e\u5927\u5668\u5728\u6b64\u7c7b\u5e94\u7528\u4e2d\u4e5f\u8868\u73b0\u51fa\u8272\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u7cbe\u5bc6\u4eea\u5668\u4e2d\uff0c\u5982\u6d4b\u91cf\u548c\u68c0\u6d4b\u8bbe\u5907\uff0c\u4f4e\u566a\u58f0\u653e\u5927\u5668\u7531\u4e8e\u5176\u4f4e\u566a\u58f0\u548c\u9ad8\u589e\u76ca\u7279\u6027\uff0c\u80fd\u591f\u51c6\u786e\u5730\u653e\u5927\u5fae\u5f31\u4fe1\u53f7\uff0c\u540c\u65f6\u4fdd\u6301\u4fe1\u53f7\u7684\u6e05\u6670\u5ea6\u548c\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u5bf9\u4e8e\u97f3\u9891\u524d\u7f6e\u653e\u5927\u5668\u548c\u6df7\u97f3\u5668\uff0c\u4f4e\u566a\u58f0\u653e\u5927\u5668\u7531\u4e8e\u5176\u8f83\u4f4e\u7684\u566a\u58f0\u6027\u80fd\u548c\u5bbd\u5e7f\u7684\u5e26\u5bbd\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u63d0\u4f9b\u6e05\u6670\u7684\u97f3\u8d28\u8f93\u51fa\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u8fd9\u4e9b\u901a\u4fe1\u5e94\u7528\u4e2d\uff0c\u4f4e\u566a\u58f0\u653e\u5927\u5668\u80fd\u591f\u63d0\u4f9b\u5bbd\u5e26\u5bbd\u548c\u4f4e\u566a\u58f0\u7684\u4fe1\u53f7\u653e\u5927\uff0c\u786e\u4fdd\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u4f4e\u566a\u58f0\u653e\u5927\u5668(LNA)\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f4e\u566a\u58f0\u653e\u5927\u5668(LNA)\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5176\u4e3b\u8981\u529f\u80fd\u662f\u653e\u5927\u7531\u5929\u7ebf\u63a5\u6536\u4e0b\u6765\u7684\u5fae\u5f31\u4fe1\u53f7\uff0c\u5e76\u4e14\u5c3d\u91cf\u51cf\u5c11\u566a\u58f0\u548c\u5931\u771f\u3002\u8fd9\u4e00\u7279\u6027\u4f7f\u5f97LNA\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u7cfb\u7edf\u7684\u7075\u654f\u5ea6\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n 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