{"id":1408,"date":"2018-11-15T08:52:30","date_gmt":"2018-11-15T08:52:30","guid":{"rendered":""},"modified":"2018-11-15T16:52:50","modified_gmt":"2018-11-15T08:52:50","slug":"%e9%9c%8d%e5%b0%94%e4%bc%a0%e6%84%9f%e5%99%a8%e5%9c%a8%e6%b5%8b%e9%87%8f%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1408","title":{"rendered":"\u970d\u5c14\u4f20\u611f\u5668\u5728\u6d4b\u91cf\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

\u3000\u7535\u6d41\u7684\u6d4b\u91cf\u91c7\u7528\u78c1\u5e73\u8861\u5f0f\u970d\u5c14\u7535\u6d41\u4f20\u611f\u5668 \u4f20\u611f\u5668\u53ef\u6d4b\u91cf\u4ece\u76f4\u6d41\u5230100kHz\u7684\u4ea4\u6d41\u91cf

\n\u3000\u3000\u5728\u81ea\u52a8\u6d4b\u63a7\u7cfb\u7edf\u4e2d,\u5e38\u9700\u8981\u6d4b\u91cf\u548c\u663e\u793a\u6709\u5173\u7535\u53c2\u91cf\u3002\u76ee\u524d\u5927\u591a\u6570\u6d4b\u91cf\u7cfb\u7edf\u4ecd\u91c7\u7528\u53d8\u538b\u5668\u5f0f\u7535\u538b\u3001\u7535\u6d41\u4e92\u611f\u5668,\u7531\u4e8e\u4e92\u611f\u5668\u7684\u975e\u7406\u60f3\u6027,\u4f7f\u5f97\u53d8\u6bd4\u548c\u76f8\u4f4d\u6d4b\u91cf\u90fd\u5b58\u5728\u8f83\u5927\u7684\u8bef\u5dee,\u5e38\u9700\u8981\u91c7\u7528\u786c\u4ef6\u6216\u8f6f\u4ef6\u7684\u65b9\u6cd5\u8865\u507f,\u4ece\u800c\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u590d\u6742\u6027\u3002

\n\u3000\u3000\u91c7\u7528\u970d\u5c14\u68c0\u6d4b\u6280\u672f,\u53ef\u4ee5\u514b\u670d\u4e92\u611f\u5668\u8fd9\u4e9b\u7f3a\u70b9,\u80fd\u6d4b\u91cf\u4ece\u76f4\u6d41\u5230\u4e0a\u767e\u5343\u8d6b\u5179\u7684\u5404\u79cd\u5f62\u72b6\u7684\u4ea4\u6d41\u4fe1\u53f7,\u5e76\u4e14\u8fbe\u5230\u539f\u526f\u8fb9\u4e0d\u5931\u771f\u4f20\u9012,\u540c\u65f6\u53c8\u80fd\u5b9e\u73b0\u4e3b\u7535\u8def\u56de\u8def\u548c\u7535\u5b50\u63a7\u5236\u7535\u8def\u7684\u9694\u79bb,\u970d\u5c14\u4f20\u611f\u5668\u7684\u8f93\u51fa\u53ef\u76f4\u63a5\u4e0e\u5355\u7247\u673a\u63a5\u53e3\u3002

\n\u3000\u3000\u56e0\u6b64\u970d\u5c14\u4f20\u611f\u5668\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5fae\u673a\u6d4b\u63a7\u7cfb\u7edf\u53ca\u667a\u80fd\u4eea\u8868\u4e2d,\u662f\u66ff\u4ee3\u4e92\u611f\u5668\u7684\u65b0\u4e00\u4ee3\u4ea7\u54c1\u3002\u5728\u6b64\u63d0\u51fa\u4e86\u5229\u7528\u970d\u5c14\u4f20\u611f\u5668\u5bf9\u7535\u53c2\u91cf\u7279\u522b\u662f\u5bf9\u9ad8\u7535\u538b\u3001\u5927\u7535\u6d41\u7684\u53c2\u6570\u7684\u6d4b\u91cf\u3002

\n\u3000\u3000l\u6d4b\u91cf\u539f\u7406

\n\u3000\u30001\u970d\u5c14\u6548\u5e94\u539f\u7406

\n\u3000\u3000\u5982\u56fe1\u6240\u793a,\u4e00\u4e2aN\u578b\u534a\u5bfc\u4f53\u8584\u7247,\u957f\u5ea6\u4e3aL,\u5bbd\u5ea6\u4e3aS,\u539a\u5ea6\u4e3ad,\u5728\u5782\u76f4\u4e8e\u8be5\u534a\u5bfc\u4f53\u8584\u7247\u5e73\u9762\u7684\u65b9\u5411\u4e0a,\u65bd\u52a0\u78c1\u611f\u5e94\u5f3a\u5ea6\u4e3aB\u7684\u78c1\u573a,\u82e5\u5728\u957f\u5ea6\u65b9\u5411\u901a\u4ee5\u7535\u6d41Ic\u5219\u8fd0\u52a8\u7535\u8377\u53d7\u5230\u6d1b\u4f26\u5179\u529b\u7684\u4f5c\u7528,\u6b63\u8d1f\u7535\u8377\u5c06\u5206\u522b\u6cbf\u5782\u76f4\u4e8e\u78c1\u573a\u548c\u7535\u6d41\u7684\u65b9\u5411\u5411\u5bfc\u4f53\u4e24\u7aef\u79fb\u52a8,\u5e76*\u5728\u5bfc\u4f53\u4e24\u7aef\u5f62\u6210\u4e00\u4e2a\u7a33\u5b9a\u7684\u7535\u52a8\u52bfUH,\u8fd9\u5c31\u662f\u970d\u5c14\u7535\u52a8\u52bf(\u6216\u79f0\u4e4b\u4e3a\u970d\u5c14\u7535\u538b),\u8fd9\u79cd\u73b0\u8c61\u79f0\u4e3a\u970d\u5c14\u6548\u5e94\u3002\u970d\u5c14\u7535\u538b\u7684\u5927\u5c0fUH=RIB\/d=KHICB,\u5176\u4e2dR\u4e3a\u970d\u5c14\u5e38\u6570\uff1bKH\u4e3a\u970d\u5c14\u5143\u4ef6\u7684\u4e58\u79ef\u7075\u654f\u5ea6\u3002<\/font>

\n
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\n\t\"\"<\/font><\/div>\n


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\n\t <\/div>\n



\n

\n

\n\u3000\u30002\u7528\u970d\u5c14\u4f20\u611f\u5668\u6d4b\u91cf\u7535\u53c2\u91cf\u7684\u539f\u7406

\n\u3000\u3000\u7531\u970d\u5c14\u7535\u538b\u516c\u5f0f\u53ef\u77e5\uff1a\u5bf9\u4e8e\u4e00\u4e2a\u6210\u578b\u7684\u970d\u5c14\u4f20\u611f\u5668,\u4e58\u79ef\u7075\u654f\u5ea6KH\u662f\u4e00\u6052\u5b9a\u503c,\u5219UH∝ICB,\u53ea\u8981\u901a\u8fc7\u6d4b\u91cf\u7535\u8def\u6d4b\u51faUH\u7684\u5927\u5c0f,\u5728B\u548cIC\u4e24\u4e2a\u53c2\u6570\u4e2d,\u5df2\u77e5\u4e00\u4e2a,\u5c31\u53ef\u6c42\u51fa\u53e6\u4e00\u4e2a,\u56e0\u800c\u4efb\u4f55\u53ef\u8f6c\u6362\u6210B\u6216J\u7684\u672a\u77e5\u91cf\u5747\u53ef\u5229\u7528\u970d\u5c14\u5143\u4ef6\u6765\u6d4b\u91cf,\u4efb\u4f55\u8f6c\u6362\u6210B\u548cI\u4e58\u79ef\u7684\u672a\u77e5\u91cf\u4ea6\u53ef\u8fdb\u884c\u6d4b\u91cf\u3002\u7535\u53c2\u91cf\u7684\u6d4b\u91cf\u5c31\u662f\u6839\u636e\u8fd9\u4e00\u539f\u7406\u5b9e\u73b0\u7684\u3002

\n\u3000\u3000\u82e5\u63a7\u5236\u7535\u6d41IC\u4e3a\u5e38\u6570\uff0c\u78c1\u611f\u5e94\u5f3a\u5ea6B\u4e0e\u88ab\u6d4b\u7535\u6d41\u6210\u6b63\u6bd4\uff0c\u5c31\u53ef\u4ee5\u505a\u6210\u970d\u5c14\u7535\u6d41\u4f20\u611f\u5668\u6d4b\u7535\u6d41\uff0c\u82e5\u78c1\u611f\u5e94\u5f3a\u5ea6B\u4e3a\u5e38\u6570\uff0cIC\u4e0e\u88ab\u6d4b\u7535\u538b\u6210\u6b63\u6bd4\uff0c\u53ef\u5236\u6210\u7535\u538b\u4f20\u611f\u5668\u6d4b\u7535\u538b\uff0c\u5229\u7528\u970d\u5c14\u7535\u538b\u3001\u7535\u6d41\u4f20\u611f\u5668\u53ef\u6d4b\u4ea4\u6d41\u7535\u7684\u529f\u7387\u56e0\u6570\u3001\u7535\u529f\u7387\u548c\u4ea4\u6d41\u7535\u7684\u9891\u7387\u3002

\n\u3000\u3000\u7531UH=KICB\u53ef\u77e5\uff1a\u82e5IC\u4e3a\u76f4\u6d41\uff0c\u4ea7\u751f\u78c1\u573aB\u7684\u7535\u6d41IO\u4e3a\u4ea4\u6d41\u65f6\uff0cUH\u4e3a\u4ea4\u6d41\uff1b\u82e5IO\u4ea6\u4e3a\u76f4\u6d41\uff0c\u5219\u8f93\u51fa\u4e5f\u4e3a\u76f4\u6d41\u3002\u5f53IC\u4e3a\u4ea4\u6d41\uff0cIO\u4ea6\u4e3a\u76f4\u6d41\u65f6\uff0c\u8f93\u51fa\u4e0eIC\u540c\u9891\u7387\u7684\u4ea4\u6d41\u4e14\u5176\u5e45\u503c\u4e0e\u88ab\u6d4b\u76f4\u6d41IO\u5927\u5c0f\u6210\u6b63\u6bd4\uff0c\u6539\u53d8\u88ab\u6d4b\u7535\u6d41IO\u7684\u65b9\u5411\uff0c\u8f93\u51fa\u7535\u538bUH\u6781\u6027\u968f\u4e4b\u6539\u53d8\u3002\u6545\u5229\u7528\u970d\u5c14\u4f20\u611f\u5668\uff0c\u65e2\u53ef\u5bf9\u76f4\u6d41\u91cf\u8fdb\u884c\u6d4b\u91cf\uff0c\u4ea6\u53ef\u5bf9\u4ea4\u6d41\u91cf\u8fdb\u884c\u6d4b\u91cf\u3002

\n\u3000\u3000\u7cfb\u7edf\u7ed3\u6784\u7b80\u56fe

\n\u3000\u3000\u68c0\u6d4b\u7cfb\u7edf\u6784\u6210\u5982\u56fe2\uff0c\u88ab\u6d4b\u91cf\u7ecf\u970d\u5c14\u4f20\u611f\u5668\u8f6c\u6362\u4e3a\u7535\u538b\u4fe1\u53f7\uff0c\u7ecf\u4fe1\u53f7\u8c03\u7406\u7535\u8def\u548c\u591a\u8def\u8f6c\u6362\u5f00\u5173\u9009\u62e9\uff0c\u901a\u8fc7A\uff0fD\u8f6c\u6362\u5668\u9001\u7ed9\u5355\u7247\u673a\uff0c\u5355\u7247\u673a\u91c7\u752889C51\uff0c\u662f\u8be5\u7cfb\u7edf\u7684\u4e3b\u63a7\u5668\uff0c\u952e\u76d8\u9009\u75282×4\u952e\u76d8\uff0c\u7528\u4e8e\u9009\u62e9\u88ab\u6d4b\u91cf\u7684\u79cd\u7c7b\uff0c\u91c7\u7528\u6570\u7801\u7ba1\u6216\u6db2\u6676\u663e\u793a\u88ab\u6d4b\u91cf\u7684\u5927\u5c0f\u3002<\/font>

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\n\t\"\"<\/font><\/div>\n



\n

\n

\n\u3000\u3000\u7535\u53c2\u91cf\u7684\u6d4b\u91cf\u65b9\u6cd5

\n\u3000\u30001\u7535\u538b\u3001\u7535\u6d41\u4fe1\u53f7\u7684\u6d4b\u91cf

\n\u3000\u3000\u7535\u6d41\u7684\u6d4b\u91cf\u53ef\u91c7\u7528\u78c1\u5e73\u8861\u5f0f\u970d\u5c14\u7535\u6d41\u4f20\u611f\u5668(\u4ea6\u79f0\u4e3a\u96f6\u78c1\u901a\u5f0f\u970d\u5c14\u4f20\u611f\u5668)\u5982\u56fe3\u6240\u793a\u3002<\/font>

\n
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\n\t\"\"<\/font><\/div>\n



\n

\n

\n\u3000\u3000\u5f53\u88ab\u6d4b\u7535\u6d41IIN\u6d41\u8fc7\u539f\u8fb9\u56de\u8def\u65f6\uff0c\u5728\u5bfc\u7ebf\u5468\u56f4\u4ea7\u751f\u78c1\u573aHIN\u8fd9\u4e2a\u78c1\u573a\u88ab\u805a\u78c1\u73af*\uff0c\u5e76\u611f\u5e94\u7ed9\u970d\u5c14\u5668\u4ef6\uff0c\u4f7f\u5176\u6709\u4e00\u4e2a\u4fe1\u53f7UH\u8f93\u51fa\uff1b\u8fd9\u4e00\u4fe1\u53f7\u7ecf\u653e\u5927\u5668A\u653e\u5927\uff0c\u8f93\u4eba\u5230\u529f\u7387\u653e\u5927\u5668\u4e2dQ1\uff0cQ2\u4e2d\uff0c\u8fd9\u65f6\u76f8\u5e94\u7684\u529f\u7387\u7ba1\u5bfc\u901a\uff0c\u4ece\u800c\u83b7\u5f97\u4e00\u4e2a\u8865\u507f\u7535\u6d41IO\uff1b\u7531\u4e8e\u6b64\u7535\u6d41\u901a\u8fc7\u591a\u531d\u7ed5\u7ec4\u6240\u4ea7\u751f\u7684\u78c1\u573aHO\u4e0e\u539f\u8fb9\u56de\u8def\u7535\u6d41\u6240\u4ea7\u751f\u7684\u78c1\u573aHIN\u76f8\u53cd\uff1b\u56e0\u800c\u8865\u507f\u4e86\u539f\u6765\u7684\u78c1\u573a\uff0c\u4f7f\u970d\u5c14\u5668\u4ef6\u7684\u8f93\u51fa\u7535\u538bUH\u9010\u6e10\u51cf\u5c0f\uff0c\u6700\u540e\u5f53IO\u4e0e\u531d\u6570\u76f8\u4e58N2IO\u6240\u4ea7\u751f\u7684\u78c1\u573a\u4e0e\u539f\u8fb9N1IIN\u6240\u4ea7\u751f\u7684\u78c1\u573a\u76f8\u7b49\u65f6\uff0cIO\u4e0d\u518d\u589e\u52a0\uff0c\u8fd9\u65f6\u970d\u5c14\u5668\u4ef6\u5c31\u8fbe\u5230\u96f6\u78c1\u901a\u68c0\u6d4b\u4f5c\u7528\u3002

\n\u3000\u3000\u8fd9\u4e00\u5e73\u8861\u6240\u5efa\u7acb\u7684\u65f6\u95f4\u57281μs\u4e4b\u5185\uff0c\u8fd9\u662f\u4e00\u4e2a\u52a8\u6001\u5e73\u8861\u8fc7\u7a0b\uff0c\u5373\u539f\u8fb9\u56de\u8def\u7535\u6d41IIN\u7684\u4efb\u4f55\u53d8\u5316\u5747\u4f1a\u7834\u574f\u8fd9\u4e00\u5e73\u8861\u7684\u78c1\u573a\uff0c\u4e00\u65e6\u78c1\u573a\u5931\u53bb\u5e73\u8861\uff0c\u5c31\u6709\u4fe1\u53f7\u8f93\u51fa\uff0c\u7ecf\u8fc7\u653e\u5927\u540e\uff0c\u7acb\u5373\u6709\u76f8\u5e94\u7684\u7535\u6d41\u6d41\u8fc7\u526f\u8fb9\u7ebf\u5708\u8fdb\u884c\u8865\u507f\u3002\u56e0\u6b64\u4ece\u5b8f\u89c2\u4e0a\u770b\u526f\u8fb9\u8865\u507f\u7535\u6d41\u7684\u5b89\u531d\u6570\u5728\u4efb\u4f55\u65f6\u95f4\u90fd\u4e0e\u539f\u8fb9\u7535\u6d41\u7684\u5b89\u531d\u6570\u4fdd\u6301\u76f8\u7b49\uff0c\u5373N1IIN=N2IO\uff0c\u6240\u4ee5IIN=N2I2\uff0fN1(IIN\u4e3a\u88ab\u6d4b\u7535\u6d41\uff0c\u5373\u78c1\u82af\u4e2d\u521d\u7ea7\u7ed5\u7ec4\u4e2d\u7684\u7535\u6d41\uff0cN1\u4e3a\u521d\u7ea7\u7ed5\u7ec4\u7684\u531d\u6570\uff1bIO\u4e3a\u8865\u507f\u7ed5\u7ec4\u4e2d\u7684\u7535\u6d41\uff1bN2\u4e3a\u8865\u507f\u7ed5\u7ec4\u7684\u531d\u6570)\u3002

\n\u3000\u3000\u7531\u539f\u3001\u526f\u8fb9\u531d\u6570\u53ef\u77e5\uff0c\u53ea\u8981\u6d4b\u5f97\u8865\u507f\u7ebf\u5708\u7684\u7535\u6d41IO\uff0c\u5373\u53ef\u77e5\u9053\u539f\u8fb9\u7535\u6d41IIN\uff0c\u5982\u539f\u8fb9\u4e3a\u5bfc\u7ebf\u7a7f\u5fc3\u5f0f\uff0c\u5219N1=l\uff0cIIN=N2IO\u3002\u5229\u7528\u540c\u6837\u7684\u539f\u7406\u53ef\u8fdb\u884c\u7535\u538b\u6d4b\u91cf\uff0c\u53ea\u9700\u5728\u539f\u8fb9\u7ebf\u5708\u56de\u8def\u4e2d\u4e32\u8054\u4e00\u4e2a\u7535\u963bR1\uff0c\u5c06\u539f\u8fb9\u7535\u6d41IIN\u8f6c\u6362\u6210\u88ab\u6d4b\u7535\u538bUIN\u3002\u5373UIN=(R1+RIN)IIN=(R1+RIN)N2IO\uff0fN1\uff0cRIN\u4e3a\u539f\u8fb9\u7ed5\u963b\u7684\u5185\u963b(\u4e00\u822c\u5f88\u5c0f\u4e0d\u8ba1)\u3002\u5bf9\u7279\u9ad8\u538b\u4ea4\u6d41\u7535\u538b\u7684\u6d4b\u91cf\uff0c\u5148\u7ecf\u9694\u79bb\u53d8\u538b\u5668\u964d\u538b\u540e\uff0c\u5bf9\u964d\u538b\u540e\u7684\u7535\u538b\u8fdb\u884c\u6d4b\u91cf\uff0c\u7136\u540e\u5bf9\u6d4b\u91cf\u6570\u636e\u4e58\u4ee5\u500d\u6570\uff0c\u5373\u53ef\u5f97\u88ab\u6d4b\u7535\u538b\u7684\u5927\u5c0f\u3002

\n\u3000\u3000\u8be5\u6d4b\u91cf\u8f93\u51fa\u4fe1\u53f7\u4e3a\u7535\u6d41\u5f62\u5f0fIO\u3002\u82e5\u5728\u970d\u5c14\u7535\u6d41\u4f20\u611f\u5668\u7684\u8f93\u51fa\u7535\u8def\u4e0e\u7535\u6e90\u96f6\u70b9\u4e4b\u95f4\u4e32\u63a5\u6070\u5f53\u7684\u7535\u963bR0\uff0c\u5e76\u5728\u8be5\u7535\u963b\u4e0a\u53d6\u7535\u538b\uff0c\u5c31\u6784\u6210\u4e86\u7535\u538b\u5f62\u5f0f\u7684\u8f93\u51fa\u3002\u8f93\u51fa\u7535\u538b\u7ecf\u7535\u538b\u8c03\u6574\u7535\u8def\u3001\u7ebf\u6027\u653e\u5927\u7535\u8def\u3001\u4e0d\u7b49\u4f4d\u8865\u507f\u7535\u8def\u3001\u5c04\u96c6\u8ddf\u968f\u7b49\u83b7\u5f97\u6240\u9700\u7684\u7535\u538b\uff0c\u4fbf\u4e8e\u6d4b\u91cf\u4e0e\u663e\u793a\u3002

\n\u3000\u30002\u529f\u7387\u53ca\u529f\u7387\u56e0\u6570\u3001\u9891\u7387\u7b49\u7535\u53c2\u6570\u7684\u6d4b\u91cf

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\n
<\/p>\n

\n\t\"\"<\/font><\/div>\n



\n

\n

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