{"id":3135,"date":"2020-07-09T10:19:18","date_gmt":"2020-07-09T10:19:18","guid":{"rendered":""},"modified":"2020-07-09T18:19:52","modified_gmt":"2020-07-09T10:19:52","slug":"%e5%85%b3%e4%ba%8edsp%e7%94%b5%e8%b7%af%e6%9d%bf%e7%9a%84%e5%b8%83%e7%ba%bf%e5%92%8c%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=3135","title":{"rendered":"\u5173\u4e8eDSP\u7535\u8def\u677f\u7684\u5e03\u7ebf\u548c\u8bbe\u8ba1"},"content":{"rendered":"

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\n\t\u968f\u7740\u7535\u5b50\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5404\u79cd\u7535\u5b50\u4ea7\u54c1\u7ecf\u5e38\u5728\u4e00\u8d77\u5de5\u4f5c\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u5e72\u6270\u8d8a\u6765\u8d8a\u4e25\u91cd\uff0c\u6240\u4ee5\u7535\u78c1\u517c\u5bb9\u95ee\u9898\u6210\u4e3a\u4e00\u4e2a\u7535\u5b50\u7cfb\u7edf\u80fd\u5426\u6b63\u5e38\u5de5\u4f5c\u7684\u5173\u952e\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u540c\u6837\uff0c\u968f\u7740PCB\u7684\u5bc6\u5ea6\u8d8a\u6765\u8d8a\u9ad8\uff0cPCB\u8bbe\u8ba1<\/u>\u7684\u597d\u574f\u5bf9\u7535\u8def\u7684\u5e72\u6270\u53ca\u6297\u5e72\u6270\u80fd\u529b\u5f71\u54cd\u5f88\u5927\u3002\u8981\u4f7f\u7535\u5b50\u7535\u8def\u83b7\u5f97\u6700\u4f73\u6027\u80fd\uff0c\u9664\u4e86\u5143\u5668\u4ef6<\/u>\u7684\u9009\u62e9\u548c\u7535\u8def\u8bbe\u8ba1\u4e4b\u5916\uff0c\u826f\u597d\u7684PCB\u5e03\u7ebf<\/u>\u5728\u7535\u78c1\u517c\u5bb9\u6027\u4e2d\u4e5f\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u56e0\u7d20\u3002<\/p>\n

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\n\t\u636e\u7edf\u8ba1\uff0c\u5e72\u6270\u5f15\u8d77\u7684DSP\u4e8b\u6545\u5360\u5176\u603b\u4e8b\u6545\u768490\uff05\u5de6\u53f3\u3002\u56e0\u6b64\u8bbe\u8ba1\u4e00\u4e2a\u7a33\u5b9a\u3001\u53ef\u9760\u7684DSP\u7cfb\u7edf\uff0c\u7535\u78c1\u517c\u5bb9\u548c\u6297\u5e72\u6270\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\n\t1\u3001DSP\u7684\u7535\u78c1\u5e72\u6270\u73af\u5883<\/p>\n

\n\t\u7535\u78c1\u5e72\u6270\u7684\u57fa\u672c\u6a21\u578b\u7531\u7535\u78c1\u5e72\u6270\u6e90\u3001\u8026\u5408<\/u>\u8def\u5f84\u548c\u63a5\u6536\u673a3\u90e8\u5206\u7ec4\u6210\uff0c\u5982\u56fe1\u6240\u793a\u3002<\/p>\n

\n\t\"\u5173\u4e8eDSP\u7535\u8def\u677f\u7684\u5e03\u7ebf\u548c\u8bbe\u8ba1\"<\/p>\n

\n\t\u7535\u78c1\u5e72\u6270\u6e90\u5305\u542b\u5fae\u5904\u7406\u5668\u3001\u5fae\u63a7\u5236\u5668\u3001\u9759\u7535\u653e\u7535\u3001\u77ac\u65f6\u529f\u7387\u6267\u884c\u5143\u4ef6\u7b49\u3002\u968f\u7740\u5927\u91cf\u9ad8\u901f\u534a\u5bfc\u4f53\u5668\u4ef6\u7684\u5e94\u7528\uff0c\u5176\u8fb9\u6cbf\u8df3\u53d8\u901f\u7387\u975e\u5e38\u5feb\uff0c\u8fd9\u79cd\u7535\u8def\u53ef\u4ee5\u4ea7\u751f\u9ad8\u8fbe300 MHz\u7684\u8c10\u6ce2\u5e72\u6270\u3002\u8026\u5408\u8def\u5f84\u53ef\u4ee5\u5206\u4e3a\u7a7a\u95f4\u8f90\u5c04\u7535\u78c1\u6ce2\u548c\u5bfc\u7ebf\u4f20\u5bfc\u7684\u7535\u538b\u4e0e\u7535\u6d41<\/u>\u3002<\/p>\n

\n\t\u566a\u58f0\u88ab\u8026\u5408\u5230\u7535\u8def\u4e2d\u7684\u6700\u7b80\u5355\u65b9\u5f0f\u662f\u901a\u8fc7\u5bfc\u4f53\u7684\u4f20\u9012\uff0c\u4f8b\u5982\uff0c\u6709\u4e00\u6761\u5bfc\u7ebf\u5728\u4e00\u4e2a\u6709\u566a\u58f0\u7684\u73af\u5883\u4e2d\u7ecf\u8fc7\uff0c\u8fd9\u6761\u5bfc\u7ebf\u901a\u8fc7\u611f\u5e94\u63a5\u6536\u8fd9\u4e2a\u566a\u58f0\u5e76\u4e14\u5c06\u5176\u4f20\u9012\u5230\u7535\u8def\u7684\u5176\u4ed6\u90e8\u5206\uff0c\u6240\u6709\u7684\u7535\u5b50\u7535\u8def\u90fd\u53ef\u4ee5\u63a5\u6536\u4f20\u9001\u7684\u7535\u78c1\u5e72\u6270\u3002<\/p>\n

\n\t\u4f8b\u5982\uff0c\u5728\u6570\u5b57\u7535\u8def\u4e2d\uff0c\u4e34\u754c\u4fe1\u53f7\u6700\u5bb9\u6613\u53d7\u5230\u7535\u78c1\u5e72\u6270\u7684\u5f71\u54cd\uff1b\u6a21\u62df\u7684\u4f4e\u7ea7\u653e\u5927\u5668<\/u>\u3001\u63a7\u5236\u7535\u8def\u548c\u7535\u6e90\u8c03\u6574\u7535\u8def\u4e5f\u5bb9\u6613\u53d7\u5230\u566a\u58f0\u7684\u5f71\u54cd\u3002<\/p>\n

\n\t2\u3001DSP\u7535\u8def\u677f\u7684\u5e03\u7ebf\u548c\u8bbe\u8ba1<\/p>\n

\n\t\u826f\u597d\u7684\u7535\u8def\u677f\u5e03\u7ebf\u5728\u7535\u78c1\u517c\u5bb9\u6027\u4e2d\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u56e0\u7d20\uff0c\u4e00\u4e2a\u62d9\u52a3\u7684\u7535\u8def\u677f\u5e03\u7ebf\u548c\u8bbe\u8ba1\u4f1a\u4ea7\u751f\u5f88\u591a\u7535\u78c1\u517c\u5bb9\u95ee\u9898\uff0c\u5373\u4f7f\u52a0\u4e0a\u6ee4\u6ce2\u5668<\/u>\u548c\u5176\u4ed6\u5143\u5668\u4ef6\u4e5f\u4e0d\u80fd\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n

\n\t\u6b63\u786e\u7684\u7535\u8def\u5e03\u7ebf\u548c\u8bbe\u8ba1\u5e94\u8be5\u8fbe\u5230\u5982\u4e0b3\u70b9\u8981\u6c42\uff1a<\/p>\n

\n\t\uff081\uff09\u7535\u8def\u677f\u4e0a\u7684\u5404\u90e8\u5206\u7535\u8def\u4e4b\u95f4\u5b58\u5728\u5e72\u6270\uff0c\u7535\u8def\u4ecd\u80fd\u6b63\u5e38\u5de5\u4f5c\uff1b<\/p>\n

\n\t\uff082\uff09\u7535\u8def\u677f\u5bf9\u5916\u7684\u4f20\u5bfc\u53d1\u5c04\u548c\u8f90\u5c04\u53d1\u5c04\u5c3d\u53ef\u80fd\u4f4e\uff0c\u8fbe\u5230\u6709\u5173\u6807\u51c6\u8981\u6c42\uff1b<\/p>\n

\n\t\uff083\uff09\u5916\u90e8\u7684\u4f20\u5bfc\u5e72\u6270\u548c\u8f90\u5c04\u5e72\u6270\u5bf9\u7535\u8def\u677f\u4e0a\u7684\u7535\u8def\u6ca1\u6709\u5f71\u54cd\u3002<\/p>\n

\n\t2.1 \u5143\u5668\u4ef6\u7684\u5e03\u7f6e<\/p>\n

\n\t\uff081\uff09\u5143\u5668\u4ef6\u5e03\u7f6e\u7684\u9996\u8981\u95ee\u9898\u662f\u5bf9\u5143\u5668\u4ef6\u8fdb\u884c\u5206\u7ec4\u3002\u5143\u5668\u4ef6\u7684\u5206\u7ec4\u539f\u5219\u6709\uff1a\u6309\u7535\u538b\u4e0d\u540c\u5206\uff1b\u6309\u6570\u5b57\u7535\u8def\u548c\u6a21\u62df\u7535\u8def<\/u>\u5206\uff1b\u6309\u9ad8\u901f\u548c\u4f4e\u901f\u4fe1\u53f7\u5206\u548c\u6309\u7535\u6d41\u5927\u5c0f\u5206\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\u90fd\u6309\u7167\u7535\u538b\u4e0d\u540c\u5206\u6216\u6309\u6570\u5b57\u7535\u8def\u4e0e\u6a21\u62df\u7535\u8def\u5206\u3002<\/p>\n

\n\t\uff082\uff09\u6240\u6709\u7684\u8fde\u63a5\u5668<\/u>\u90fd\u653e\u5728\u7535\u8def\u677f\u7684\u4e00\u4fa7\uff0c\u5c3d\u91cf\u907f\u514d\u4ece\u4e24\u4fa7\u5f15\u51fa\u7535\u7f06<\/u>\u3002<\/p>\n

\n\t\uff083\uff09\u907f\u514d\u8ba9\u9ad8\u901f\u4fe1\u53f7\u7ebf\u9760\u8fd1\u8fde\u63a5\u5668\u3002<\/p>\n

\n\t\uff084\uff09\u5728\u5143\u5668\u4ef6\u5b89\u6392\u65f6\u5e94\u8003\u8651\u5c3d\u53ef\u80fd\u7f29\u77ed\u9ad8\u901f\u4fe1\u53f7\u7ebf\uff0c\u5982\u65f6\u949f<\/u>\u7ebf\u3001\u6570\u636e\u7ebf\u548c\u5730\u5740\u7ebf\u7b49\u3002<\/p>\n

\n\t2.2 \u5730\u7ebf\u548c\u7535\u6e90\u7ebf\u7684\u5e03\u7f6e<\/p>\n

\n\t\u5730\u7ebf\u5e03\u7f6e\u7684\u6700\u7ec8\u76ee\u7684\u662f\u4e3a\u4e86\u6700\u5c0f\u5316\u63a5\u5730\u963b\u6297\uff0c\u4ee5\u6b64\u51cf\u5c0f\u4ece\u7535\u8def\u8fd4\u56de\u5230\u7535\u6e90\u4e4b\u95f4\u7684\u63a5\u5730\u56de\u8def\u7535\u52bf\uff0c\u5373\u51cf\u5c0f\u7535\u8def\u4ece\u6e90\u7aef\u5230\u76ee\u7684\u7aef\u7ebf\u8def\u548c\u5730\u5c42\u5f62\u6210\u7684\u73af\u8def\u9762\u79ef\u3002<\/p>\n

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\n\t\"\u5173\u4e8eDSP\u7535\u8def\u677f\u7684\u5e03\u7ebf\u548c\u8bbe\u8ba1\"<\/p>\n

\n\t\u56fe2\u4e2d\u9ad8\u901f\u7ebf\u4e0e\u82af\u7247\u4e4b\u95f4\u8fdb\u884c\u4fe1\u53f7\u4f20\u8f93\u3002<\/p>\n

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\n\t\u56fe2\uff08b\uff09\u4e2d\uff0c\u6709\u5730\u5c42\u9694\u7f1d\uff0c\u6b64\u65f6\u5730\u73af\u8def\u9762\u79ef\u589e\u5927\uff0c\u8fd9\u6837\u5c31\u4ea7\u751f\u5982\u4e0b\u540e\u679c\uff1a<\/p>\n

\n\t\u589e\u5927\u5411\u7a7a\u95f4\u7684\u8f90\u5c04\u5e72\u6270\uff0c\u540c\u65f6\u6613\u53d7\u7a7a\u95f4\u78c1\u573a\u7684\u5f71\u54cd\uff1b<\/p>\n

\n\t\u52a0\u5927\u4e0e\u677f\u4e0a\u5176\u4ed6\u7535\u8def\u4ea7\u751f\u78c1\u573a\u8026\u5408\u7684\u53ef\u80fd\u6027\uff1b<\/p>\n

\n\t\u7531\u4e8e\u73af\u8def\u7535\u611f<\/u>\u52a0\u5927\uff0c\u901a\u8fc7\u9ad8\u901f\u7ebf\u8f93\u51fa\u7684\u4fe1\u53f7\u5bb9\u6613\u4ea7\u751f\u632f\u8361\uff1b<\/p>\n

\n\t\u73af\u8def\u7535\u611f\u4e0a\u7684\u9ad8\u9891\u538b\u964d\u6784\u6210\u5171\u6a21\u8f90\u5c04\u6e90\uff0c\u5e76\u901a\u8fc7\u5916\u63a5\u7535\u7f06\u4ea7\u751f\u5171\u6a21\u8f90\u5c04\u3002<\/p>\n

\n\t\u901a\u5e38\u5730\u5c42\u4e0a\u7684\u9694\u7f1d\u4e0d\u662f\u5728\u5206\u5730\u65f6\u3001\u6709\u610f\u8bc6\u5730\u52a0\u4e0a\u7684\uff0c\u6709\u65f6\u9694\u7f1d\u662f\u56e0\u4e3a\u677f\u4e0a\u7684\u8fc7\u5b54\u8fc7\u4e8e\u63a5\u8fd1\u800c\u4ea7\u751f\u7684\uff0c\u56e0\u6b64\u5728PCB\u8bbe\u8ba1\u4e2d\u5e94\u5c3d\u91cf\u907f\u514d\u8be5\u79cd\u60c5\u51b5\u53d1\u751f\u3002<\/p>\n

\n\t\u7535\u6e90\u7ebf\u7684\u5e03\u7f6e\u8981\u548c\u5730\u7ebf\u7ed3\u5408\u8d77\u6765\u8003\u8651\uff0c\u4ee5\u4fbf\u6784\u6210\u7279\u6027\u963b\u6297\u5c3d\u53ef\u80fd\u5c0f\u7684\u4f9b\u7535\u7ebf<\/u>\u8def\u3002\u4e3a\u4e86\u51cf\u5c0f\u4f9b\u7535\u7528\u7ebf\u7684\u7279\u6027\u963b\u6297\uff0c\u7535\u6e90\u7ebf\u548c\u5730\u7ebf\u5e94\u8be5\u5c3d\u53ef\u80fd\u7684\u7c97\uff0c\u5e76\u4e14\u76f8\u4e92\u9760\u8fd1\uff0c\u4f7f\u4f9b\u7535\u56de\u8def\u9762\u79ef\u51cf\u5230\u6700\u5c0f\uff0c\u800c\u4e14\u4e0d\u540c\u7684\u4f9b\u7535\u73af\u8def\u4e0d\u8981\u76f8\u4e92\u91cd\u53e0\u3002<\/p>\n

\n\t\u5728\u96c6\u6210\u82af\u7247\u7684\u7535\u6e90\u811a\u548c\u5730\u811a\u4e4b\u95f4\u8981\u52a0\u9ad8\u9891\u53bb\u8026\u7535\u5bb9<\/u>\uff0c\u5bb9\u91cf\u4e3a0\uff0e01\uff5e0\uff0e1μF\uff0c\u800c\u4e14\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7535\u6e90\u7684\u53bb\u8026\u6ee4\u6ce2\u7684\u4f4e\u9891\u7279\u6027\uff0c\u5728\u7535\u6e90\u5f15\u5165\u7aef\u8981\u52a0\u4e0a1\u4e2a\u9ad8\u9891\u53bb\u8026\u7535\u5bb9\u548c1\u4e2a1\uff5e10μF\u7684\u4f4e\u9891\u6ee4\u6ce2\u7535\u5bb9\u3002<\/p>\n

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