{"id":88041,"date":"2024-01-31T09:35:21","date_gmt":"2024-01-31T01:35:21","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=88041"},"modified":"2024-01-31T09:35:27","modified_gmt":"2024-01-31T01:35:27","slug":"dzfzmtgdysd","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/88041.html","title":{"rendered":"\u4f4e\u566a\u653e\u600e\u4e48\u63d0\u9ad81dB\u538b\u7f29\u70b9"},"content":{"rendered":"\n

\u3000\u3000\u4f4e\u566a\u653e(Low Noise Amplifier\uff0c\u7b80\u79f0LNA)<\/strong>\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\u3002\u63d0\u9ad8\u4f4e\u566a\u653e\u7684\u6027\u80fd\uff0c\u7279\u522b\u662f1dB\u538b\u7f29\u70b9\uff0c\u5bf9\u4e8e\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u548c\u7cfb\u7edf\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u63d0\u9ad8\u4f4e\u566a\u653e1dB\u538b\u7f29\u70b9\u7684\u65b9\u6cd5\u548c\u6280\u5de7\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001\u4ec0\u4e48\u662f1dB\u538b\u7f29\u70b9?<\/h2>\n\n\n\n

\u3000\u30001dB\u538b\u7f29\u70b9\u662f\u6307\u5f53\u8f93\u5165\u4fe1\u53f7\u7684\u529f\u7387\u8fbe\u5230\u4e00\u5b9a\u6c34\u5e73\u65f6\uff0c\u8f93\u51fa\u4fe1\u53f7\u7684\u589e\u76ca\u5c06\u964d\u4f4e1dB\u3002\u8fd9\u662f\u4f4e\u566a\u653e\u7684\u975e\u7ebf\u6027\u7279\u6027\u4e4b\u4e00\uff0c\u4e5f\u662f\u8bc4\u4f30\u4f4e\u566a\u653e\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\u3002\u63d0\u9ad81dB\u538b\u7f29\u70b9\u53ef\u4ee5\u589e\u52a0\u4f4e\u566a\u653e\u7684\u7ebf\u6027\u8303\u56f4\uff0c\u51cf\u5c11\u975e\u7ebf\u6027\u5931\u771f\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u52a8\u6001\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u63d0\u9ad81dB\u538b\u7f29\u70b9\u7684\u65b9\u6cd5<\/h2>\n\n\n\n

\u3000\u30001. \u9009\u62e9\u5408\u9002\u7684\u5668\u4ef6<\/strong>\uff1a\u9009\u62e9\u4f4e\u566a\u653e\u5668\u4ef6\u65f6\uff0c\u5e94\u8003\u8651\u5176\u7ebf\u6027\u5ea6\u548c\u566a\u58f0\u7cfb\u6570\u3002\u9ad8\u7ebf\u6027\u5ea6\u7684\u5668\u4ef6\u901a\u5e38\u5177\u6709\u8f83\u9ad8\u76841dB\u538b\u7f29\u70b9\u3002\u540c\u65f6\uff0c\u9009\u62e9\u566a\u58f0\u7cfb\u6570\u8f83\u4f4e\u7684\u5668\u4ef6\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u4fe1\u566a\u6bd4\u3002<\/p>\n\n\n\n

\u3000\u30002. \u4f18\u5316\u7535\u8def\u8bbe\u8ba1<\/strong>\uff1a\u5408\u7406\u7684\u7535\u8def\u8bbe\u8ba1\u53ef\u4ee5\u6539\u55841dB\u538b\u7f29\u70b9\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5408\u9002\u7684\u504f\u7f6e\u7535\u6d41\u548c\u7535\u6e90\u7535\u538b\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4f4e\u566a\u653e\u7684\u7ebf\u6027\u5ea6\u3002\u6b64\u5916\uff0c\u964d\u4f4e\u7535\u8def\u7684\u635f\u8017\u548c\u53cd\u5c04\u7cfb\u6570\u4e5f\u6709\u52a9\u4e8e\u63d0\u9ad81dB\u538b\u7f29\u70b9\u3002<\/p>\n\n\n\n

\u3000\u30003. \u4f7f\u7528\u8d1f\u53cd\u9988<\/strong>\uff1a\u8d1f\u53cd\u9988\u662f\u4e00\u79cd\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4f4e\u566a\u653e\u7684\u7ebf\u6027\u5ea6\u548c1dB\u538b\u7f29\u70b9\u3002\u901a\u8fc7\u5f15\u5165\u8d1f\u53cd\u9988\uff0c\u53ef\u4ee5\u51cf\u5c0f\u975e\u7ebf\u6027\u5931\u771f\uff0c\u63d0\u9ad8\u4f4e\u566a\u653e\u7684\u7ebf\u6027\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u30004. \u4f18\u5316\u529f\u7387\u4f9b\u5e94<\/strong>\uff1a\u7a33\u5b9a\u7684\u529f\u7387\u4f9b\u5e94\u5bf9\u4e8e\u63d0\u9ad81dB\u538b\u7f29\u70b9\u81f3\u5173\u91cd\u8981\u3002\u5408\u7406\u8bbe\u8ba1\u548c\u4f18\u5316\u529f\u7387\u4f9b\u5e94\u7535\u8def\uff0c\u53ef\u4ee5\u51cf\u5c0f\u7535\u6e90\u566a\u58f0\u548c\u7535\u6e90\u6ce2\u52a8\uff0c\u63d0\u9ad8\u4f4e\u566a\u653e\u7684\u7ebf\u6027\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u30005. \u70ed\u7ba1\u7406<\/strong>\uff1a\u4f4e\u566a\u653e\u5728\u5de5\u4f5c\u8fc7\u7a0b\u4e2d\u4f1a\u4ea7\u751f\u70ed\u91cf\uff0c\u70ed\u91cf\u79ef\u7d2f\u53ef\u80fd\u5bfc\u81f4\u975e\u7ebf\u6027\u6548\u5e94\u7684\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u5408\u7406\u7684\u70ed\u7ba1\u7406\u5bf9\u4e8e\u63d0\u9ad81dB\u538b\u7f29\u70b9\u975e\u5e38\u91cd\u8981\u3002\u901a\u8fc7\u4f7f\u7528\u6563\u70ed\u5668\u3001\u98ce\u6247\u6216\u5176\u4ed6\u6563\u70ed\u8bbe\u5907\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u6e29\u5ea6\uff0c\u63d0\u9ad8\u4f4e\u566a\u653e\u7684\u7ebf\u6027\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u5b9e\u9a8c\u9a8c\u8bc1<\/h2>\n\n\n\n

\u3000\u3000\u4e3a\u4e86\u9a8c\u8bc1\u4e0a\u8ff0\u65b9\u6cd5\u7684\u6709\u6548\u6027\uff0c\u6211\u4eec\u8fdb\u884c\u4e86\u4e00\u7cfb\u5217\u5b9e\u9a8c\u3002\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u5668\u4ef6\u3001\u4f18\u5316\u7535\u8def\u8bbe\u8ba1\u548c\u4f7f\u7528\u8d1f\u53cd\u9988\u7b49\u65b9\u6cd5\uff0c\u6211\u4eec\u6210\u529f\u5730\u63d0\u9ad8\u4e86\u4f4e\u566a\u653e\u76841dB\u538b\u7f29\u70b9\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u663e\u8457\u6539\u5584\u4f4e\u566a\u653e\u7684\u7ebf\u6027\u6027\u80fd\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u52a8\u6001\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u7ed3\u8bba\uff1a<\/h2>\n\n\n\n

\u3000\u3000\u63d0\u9ad8\u4f4e\u566a\u653e\u76841dB\u538b\u7f29\u70b9\u5bf9\u4e8e\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u5668\u4ef6\u3001\u4f18\u5316\u7535\u8def\u8bbe\u8ba1\u3001\u4f7f\u7528\u8d1f\u53cd\u9988\u3001\u4f18\u5316\u529f\u7387\u4f9b\u5e94\u548c\u8fdb\u884c\u6709\u6548\u7684\u70ed\u7ba1\u7406\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4f4e\u566a\u653e\u76841dB\u538b\u7f29\u70b9<\/strong>\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u6539\u5584\u4f4e\u566a\u653e\u7684\u7ebf\u6027\u6027\u80fd\uff0c\u8fd8\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u52a8\u6001\u8303\u56f4\uff0c\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u548c\u6027\u80fd\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\uff0c\u5e76\u8fdb\u884c\u5b9e\u9a8c\u9a8c\u8bc1\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u7684\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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