{"id":2993,"date":"2020-03-23T02:31:16","date_gmt":"2020-03-23T02:31:16","guid":{"rendered":""},"modified":"2020-03-23T10:31:33","modified_gmt":"2020-03-23T02:31:33","slug":"%e7%a3%81%e7%8f%a0%e6%8a%91%e5%88%b6%e7%ba%b9%e6%b3%a2%e5%99%aa%e5%a3%b0%e7%9a%84%e5%8e%9f%e7%90%86%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2993","title":{"rendered":"\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u566a\u58f0\u7684\u539f\u7406\u5206\u6790"},"content":{"rendered":"

\n\t\u968f\u7740\u5f00\u5173<\/u>\u9891\u7387\u548c\u5f00\u5173\u901f\u5ea6\u7684\u589e\u52a0\uff0c\u6709\u5fc5\u8981\u91c7\u53d6\u6709\u6548\u7684\u63aa\u65bd\u6765\u4fdd\u8bc1\u5f00\u5173\u7535\u6e90<\/u>\u8f93\u5165\u8f93\u51fa\u7eb9\u6ce2\u7684\u7cbe\u786e\u6d4b\u91cf<\/u>\u3002\u73b0\u5728\u8fd8\u6ca1\u6709\u6d4b\u8bd5<\/u>DC\/DC<\/u>\u53d8\u6362\u5668\u7eb9\u6ce2\u548c\u566a\u58f0\u7684\u5de5\u4e1a\u6807\u51c6\uff0c\u6d4b\u8bd5\u7ed3\u6784\u548c\u65b9\u6cd5\u7684\u4e0d\u540c\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u9519\u8bef\u6216\u6df7\u6dc6\u3002\u6587\u4e2d\u63cf\u8ff0\u7684\u6280\u672f\u4e0d\u9700\u8981\u7279\u522b\u7684\u5b9e\u9a8c\u5668\u6750\u53ea\u9700\u8981\u9ad8\u9891\u7535\u538b\u63a2\u5934\u548c\u793a\u6ce2\u5668<\/u>\uff0c\u53ef\u63d0\u4f9b\u6709\u590d\u9a8c\u6027\u7684\u7ed3\u679c\u3002\u8f93\u5165\u8f93\u51fa\u7eb9\u6ce2\u548c\u566a\u58f0\u7684\u7cbe\u786e\u6d4b\u91cf\u56fa\u7136\u91cd\u8981\uff0c\u4f46\u6709\u6548\u7684\u6291\u5236\u5c24\u4e3a\u91cd\u8981\uff0c\u672c\u6587\u5206\u6790\u4e86\u5f00\u5173\u7535\u6e90\u7eb9\u6ce2\u548c\u566a\u58f0\u7684\u7ec4\u6210\u6210\u5206\u548c\u5229\u7528\u94c1\u6c27\u4f53\u78c1\u73e0<\/u>\u6291\u5236\u7eb9\u6ce2\u548c\u566a\u58f0\u7684\u6548\u679c\u3002<\/p>\n

\n\t1. \u7eb9\u6ce2\u548c\u566a\u58f0<\/strong><\/p>\n

\n\t <\/div>\n

\n\tSMPS<\/u>\u7684\u8f93\u51fa\u566a\u58f0\u53ef\u5206\u4e3a\u7eb9\u6ce2\u548c\u566a\u58f0\u3002\u7eb9\u6ce2\u5c31\u662f\u5f00\u5173\u7535\u6e90\u5145\u653e\u7535\u65f6\u8f93\u51fa\u7535\u538b\u7684\u6ce2\u52a8\uff1b\u566a\u58f0\u5c31\u662f\u53d1\u751f\u5728\u57fa\u9891\u5e73\u5747\u503c\u7684\u5c16\u5cf0\uff0c\u901a\u5e38\u79f0\u4e3aRMS\u566a\u58f0\u3002\u7eb9\u6ce2\u7535\u538b\u6ce2\u5f62\u63cf\u8ff0\u4e86\u8f93\u5165\u8f93\u51fa\u7535\u5bb9\u5668<\/u>\u7684\u5145\u653e\u7535\u7684\u7ed3\u679c\uff0c\u5728\u6700\u5927\u8d1f\u8f7d\u65f6\u662f\u6781\u5927\u7684\u3002<\/p>\n

\n\t\u9ad8\u9891\u566a\u58f0\u5c16\u5cf0\u51fa\u73b0\u5728SMPS\u7684\u5f00\u901a\u548c\u5173\u65ad\u65f6\u523b\uff0c\u5982\u56fe1\uff0c\u8fd9\u4e2a\u53ef\u7531\u793a\u6ce2\u5668\u51c6\u786e\u7684\u6d4b\u8bd5\u5230\u3002 \u5c3d\u7ba1\u566a\u58f0\u7684\u91cd\u590d\u9891\u7387SMPS\u7684\u5f00\u5173\u9891\u7387\u51b3\u5b9a\uff0c\u4f46\u901a\u5e38\u6b64\u9891\u7387\u5305\u542b\u7684\u566a\u58f0\u5c16\u5cf0\u9ad8\u4e8e\u5f00\u5173\u9891\u7387\uff1b\u5e45\u503c\u7684\u5927\u5c0f\u7531SMPS\u7684\u62d3\u6251\u3001\u5bc4\u751f\u7535\u6d41<\/u>\u548cPCB<\/u>\u8d70\u7ebf\u51b3\u5b9a\uff0c\u5c3d\u7ba1\u51fa\u73b0\u5728\u9ad8\u9891\uff0c\u4f46\u566a\u58f0\u5c16\u5cf0\u6781\u6613\u53d7\u63a2\u5934\u548c\u5b9e\u9a8c\u7ed3\u6784\u5f71\u54cd\u3002<\/p>\n

\n\t\"\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u566a\u58f0\u7684\u539f\u7406\u5206\u6790\"<\/p>\n

\n\t2. \u7eb9\u6ce2\u548c\u566a\u58f0\u7684\u6d4b\u8bd5<\/strong><\/p>\n

\n\t\u7eb9\u6ce2\u548c\u566a\u58f0\u901a\u5e38\u51fa\u73b0\u5728DC\/DC\u53d8\u6362\u5668\u7684\u8f93\u5165\u548c\u8f93\u51fa\uff0c\u603b\u566a\u58f0\u5305\u542b\u7eb9\u6ce2\u548c\u566a\u58f0\u3002\u6d4b\u8bd5\u65f6\u9996\u5148\u5e94\u786e\u4fdd\u793a\u6ce2\u5668\u83b7\u53d6\u6781\u5c11\u7684\u9ad8\u9891\u6210\u5206\uff0c\u7531\u4e8e\u9ad8\u9891\u6210\u5206\u53ef\u7531\u793a\u6ce2\u5668\u63a2\u5934\u5730\u5f62\u6210\u7684\u5730\u7ebf\u73af\u653e\u5927\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u793a\u6ce2\u5668\u63a2\u5934\u6781\u77ed\u7684\u5730\u7ebf\u53ef\u80fd\u5728\u4e0d\u6b63\u786e\u7684\u8def\u7ebf\u6216\u505c\u6b62\u65f6\u5bfc\u81f4\u6570\u767e\u6beb\u4f0f\u7684\u566a\u58f0\u5c16\u5cf0\u3002<\/p>\n

\n\t\u901a\u5e38\u4eba\u4eec\u76f4\u63a5\u5c06\u793a\u6ce2\u5668\u63a2\u5934\u7684\u5730\u7ebf\u5939\u5939\u5728\u5f00\u5173\u7535\u6e90\u7684\u5730\u7ebf\u4e0a\uff0c\u53e6\u4e00\u7aef\u76f4\u63a5\u63a5\u5728\u6b63\u7535\u538b\u7aef\uff0c\u8fd9\u662f\u4e00\u79cd\u4e0d\u6b63\u786e\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u63a2\u5934\u7684\u5730\u7ebf\u5939\u83b7\u53d6\u4e86\u8f90\u5c04\u566a\u58f0\u3002\u901a\u5e38\u6700\u5927\u7684\u9519\u8bef\u6e90\u5c31\u6765\u81ea\u63a2\u5934\u7684\u5730\u7ebf\u5939\uff0c\u4e3b\u8981\u662f\u7531\u793a\u6ce2\u5668\u63a2\u5934\u6ca1\u6709\u5c4f\u853d\u7684\u90e8\u5206\u5f15\u8d77\u7684\u3002\u4fe1\u53f7\u7ebf<\/u>\u7aef\u5b50<\/u>\u548c\u793a\u6ce2\u5668\u63a2\u5934\u5939\u5730\u7ebf\u6784\u6210\u7684\u7ebf\u8def\u73af\u5c31\u50cf\u5929\u7ebf\u4e00\u6837\u5728\u5de5\u4f5c\u3002\u5730\u7ebf\u73af\u7684\u78c1\u8f90\u5c04\u5bfc\u81f4\u7535\u538b\u66f2\u7ebf\u51fa\u73b0\u566a\u58f0\uff0c\u5730\u7ebf\u73af\u7684\u9762\u79ef\u8d8a\u5927\uff0c\u5f00\u5173\u8fc7\u7a0b\u4e2d\u83b7\u53d6\u7684\u566a\u58f0\u5c31\u8d8a\u5927\u3002<\/p>\n

\n\t\u4e3a\u51cf\u5c0f\u6d4b\u91cf\u8bef\u5dee\uff0c\u63a2\u5934\u5e94\u8be5\u76f4\u63a5\u653e\u5728\u8f93\u51fa\u7535\u5bb9<\/u>\u4e24\u7aef\u3002\u8fd9\u6837\u4fe1\u53f7\u548c\u5730\u76f8\u8fde\u5904\u7684\u5730\u7ebf\u73af\u9762\u79ef\u5c31\u5f88\u5c0f\u4e86\u3002\u6b63\u786e\u7684\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n

\n\t1.\u53bb\u6389\u793a\u6ce2\u5668\u63a2\u5934\u7684\u5730\u7ebf\u5939\u548c\u63a2\u5934\u5939\u9002\u914d\u5668<\/u>\uff0c\u63d0\u4f9b\u91d1\u5c5e\u5730\u7684\u76f4\u63a5\u8fde\u63a5\u901a\u9053\u3002<\/p>\n

\n\t2.\u628a\u793a\u6ce2\u5668\u7684\u63a2\u5934\u7ebf\u5728\u8f83\u5927\u76f4\u5f84\uff0820AWG\uff09\u7684\u9540\u9521\u94dc\u7ebf\u4e0a\u5377\u7ed5\u82e5\u5e72\u5708\uff0c\u628a\u9521\u94dc\u7ebf\u7684\u7ec8\u7aef\u710a\u63a5<\/u>\u5230\u8f93\u51fa\u7535\u5bb9\u7684\u5730\u7ebf\u7aef\u3002<\/p>\n

\n\t3.\u793a\u6ce2\u5668\u63a2\u5934\u7684\u5c16\u7aef\u8fde\u63a5\u5230\u8f93\u51fa\u7aef\u7684\u8f93\u51fa\u7535\u5bb9\u4e0a\u3002<\/p>\n

\n\t\"\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u566a\u58f0\u7684\u539f\u7406\u5206\u6790\"<\/p>\n

\n\t\u56fe2 \u4e3a\u4e24\u79cd\u4e0d\u540c\u6d4b\u8bd5\u65b9\u6cd5\u5f97\u5230\u7684\u8f93\u51fa\u7535\u538b\u66f2\u7ebf\u3002\u964d\u538b\u578b\u53d8\u6362\u7535\u8def<\/u>\u5de5\u4f5c\u57281.5MHz\uff0c\u8f93\u51fa\u7535\u538b1.8V\uff0c\u8d1f\u8f7d\u7535\u6d41250mA\u3002\u53ef\u4ee5\u6ce8\u610f\u5230\u7eff\u8272\u66f2\u7ebf\uff082\uff09\u4e3a\u5728\u6bcf\u4e00\u4e2a\u5f00\u5173\u65f6\u523b\u51fa\u73b0\u7684\u9ad8\u9891\u566a\u58f0\u3002\u800c\u7ea2\u8272\u7684\u66f2\u7ebf\uff083\uff09\u4e3a\u6ca1\u6709\u83b7\u53d6\u566a\u58f0\u3002\u56e0\u6b64\uff0c\u7ed3\u6784\u548c\u65b9\u6cd5\u5bf9\u51c6\u786e\u6d4b\u91cf\u662f\u5f88\u91cd\u8981\u7684\u3002<\/p>\n

\n\t3. \u7eb9\u6ce2\u548c\u566a\u58f0\u7684\u6291\u5236<\/strong><\/p>\n

\n\t\u4f17\u6240\u5468\u77e5\uff0c\u5f00\u5173\u7535\u6e90\u7684\u8f93\u5165\u7eb9\u6ce2\u548c\u566a\u58f0\uff0c\u5982\u679c\u4e0d\u6ee4\u6ce2\uff0c\u6709\u65f6\u8db3\u4ee5\u5e72\u6270\u5176\u5b83\u88c5\u7f6e\u3002\u56e0\u6b64\uff0c\u6709\u5fc5\u8981\u91c7\u53d6\u9002\u5f53\u7684\u65b9\u6cd5\u6765\u6291\u5236\u8fd9\u4e9b\u7eb9\u6ce2\u548c\u566a\u58f0\uff0c\u51cf\u5c11\u5bf9\u6574\u4e2a\u7535\u8def\u7684\u5f71\u54cd\u3002\u8981\u60f3\u6709\u6548\u7684\u6291\u5236\u5f00\u5173\u7535\u6e90\u7684\u7eb9\u6ce2\u548c\u566a\u58f0\uff0c\u9996\u5148\u5c31\u5e94\u8be5\u77e5\u9053\u5f00\u5173\u7535\u6e90\u7eb9\u6ce2\u548c\u566a\u58f0\u7684\u7ec4\u6210\u6210\u5206\uff0c\u53ca\u54ea\u4e9b\u6210\u5206\u9700\u8981\u6291\u5236\u3002<\/p>\n

\n\t3.1 \u57fa\u9891\u5f00\u5173\u8f93\u5165\u7eb9\u6ce2<\/p>\n

\n\t\u5bf9\u4e8e\u4e00\u4e2aBuck\u53d8\u6362\u5668\uff0c\u8f93\u51fa\u7535\u611f<\/u>\u5728\u5f00\u5173\u5468\u671f\u5f00\u901a\u671f\u95f4\u8fde\u63a5\u5230\u8f93\u5165\uff0c\u800c\u5728\u5173\u65ad\u671f\u95f4\u4e0e\u8f93\u5165\u65ad\u5f00\u3002\u5f53\u8f93\u5165\u7535\u5bb9\u5668\u7535\u6d41\u6ca1\u6709\u76f4\u6d41\u6210\u5206\u65f6\uff0c\u7535\u6e90\u548c\u8f93\u51fa\u7535\u611f\u7535\u6d41\u5728\u6574\u4e2a\u5f00\u5173\u5468\u671f\u57fa\u672c\u662f\u6052\u5b9a\u7684\uff08\u5ffd\u7565\u7535\u611f\u7eb9\u6ce2\u7535\u6d41\uff09\u3002\u76f4\u6d41\u8f93\u5165\u7535\u538b\u7a33\u5b9a\u65f6\uff0c\u8f93\u5165\u7535\u5bb9\u5668\u5728\u5f00\u5173\u5bfc\u901a\u671f\u95f4\u7684\u5145\u7535\u91cf\uff08I*t\uff09\u5fc5\u987b\u7b49\u4e8e\u7535\u5bb9\u5668\u5728\u5f00\u5173\u5173\u65ad\u671f\u95f4\u7684\u653e\u7535\u91cf\u3002<\/p>\n

\n\t\u56fe3\uff08\u56fe3\u5728\u4e0b\u9762\uff09\u4e3a\u8f93\u5165\u7535\u5bb9\u5668\u7684\u7eb9\u6ce2\u7535\u538b\u548c\u7535\u6d41\u7684\u6ce2\u5f62\uff0c\u516c\u5f0f1\u5219\u63cf\u8ff0\u4e86\u7535\u538b\u7eb9\u6ce2\u7684\u952f\u9f7f\u7279\u6027\u3002\u7eb9\u6ce2\u7684\u5927\u5c0f\u968f\u8f93\u5165\u7535\u538b\u6ce2\u52a8\uff0c\u5728\u5360\u7a7a\u6bd4\u4e3a50%\u65f6\u6700\u5927\u3002\u4e3a\u51cf\u5c11\u8f93\u5165\u7eb9\u6ce2\uff0c\u8981\u4e48\u589e\u52a0\u7535\u5bb9\u91cf\uff0c\u8981\u4e48\u51cf\u5c11\u8f93\u5165\u7535\u5bb9CIN\u7684\u7b49\u6548\u4e32\u8054\u7535\u963b<\/u>\uff08ESR\uff09\u3002\u9676\u74f7\u7535\u5bb9\u5668\u901a\u5e38\u5177\u6709\u975e\u5e38\u4f4e\u7684ESR\uff0c\u4f46\u5bf9\u8f93\u5165\u7535\u538b\u7eb9\u6ce2\u5f71\u54cd\u4e0d\u5927\u3002\u4e00\u4e2a0805\u5c01\u88c510μF 10V X5R\u7535\u5bb9\u5668\u5728\u76f4\u6d413.6V\u5e94\u7528\u4e2d\uff0c\u5b9e\u9645\u5bb9\u91cf\u7ea6\u4e3a4.2μF\u3002\u5bf9\u4e8e1.8V 400mA\u7684\u8f93\u51fa\u8d1f\u8f7d\uff0c\u8f93\u5165\u6ce2\u7eb9\u7535\u538b\u7684\u5cf0\u503c\u4e3a17.4mV\uff08\u89c1\u516c\u5f0f1\uff09\u3002<\/p>\n

\n\t\"\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u566a\u58f0\u7684\u539f\u7406\u5206\u6790\"<\/p>\n

\n\t\u53e6\u5916\uff0c\u8ba1\u7b97\u8f93\u5165\u7535\u5bb9\u91cf\u65f6\u9700\u8981\u7ed9\u5b9a\u8f93\u5165\u7535\u5bb9\u7684ESR\u548c\u7eb9\u6ce2\u8981\u6c42\u3002<\/p>\n

\n\t3.2 \u9ad8\u9891\u566a\u58f0<\/p>\n

\n\t\u5728\u4fbf\u643a\u5f0f\u5e94\u7528\u4e2d\uff0c\u76f4\u6d41\u53d8\u6362\u5668\u7684\u9ad8\u9891\u8f93\u5165\u566a\u58f0\u901a\u5e38\u53ef\u8fbe100MHz\u4ee5\u4e0a\u3002“\u566a\u58f0”\u5176\u5b9e\u662f\u4e00\u4e2a\u751a\u9ad8\u9891\u632f\u94c3\u6216\u53d8\u6362\u5668\u7535\u6e90\u90e8\u5206\u7684\u5bc4\u751f\u632f\u8361\u3002\u5728\u5f00\u5173\u8f6c\u6362\u8fc7\u7a0b\u4e2d\uff0c\u80fd\u91cf\u50a8\u5b58\u5728\u611f\u6027\u548c\u5bb9\u6027\u7684\u5bc4\u751f\u632f\u8361\u4e2d\u76f4\u5230\u6d88\u5931\u3002\u5728\u6bcf\u4e2a\u5468\u671f\u5185\uff0c\u566a\u58f0\u90fd\u4f1a\u51fa\u73b0\u5728\u5f00\u5173\u6ce2\u5f62\u7684\u8fb9\u7f18\uff0c\u5c3d\u7ba1\u566a\u58f0\u9891\u7387\u975e\u5e38\u9ad8\uff0c\u4f46\u4ec5\u7528\u4e00\u4e2a\u5178\u578b\u7684\u65c1\u8def\u7535\u5bb9\u5668\u662f\u4e0d\u80fd\u4f7f\u5176\u8870\u51cf\u7684\u3002\u9676\u74f7\u7535\u5bb9\u5668\u7684\u963b\u6297<\/u>\u9891\u7387\u7279\u6027\u66f2\u7ebf\uff0c\u5982\u56fe4\u6240\u793a\u3002\u5f53\u5728100MHz\u6216\u4ee5\u4e0a\u65f6\uff0c\u4e0d\u8bba\u7535\u5bb9\u5668\u503c\u7684\u5927\u5c0f\uff0c\u963b\u6297\u90fd\u5448\u611f\u6027\u5e76\u4e14\u5f88\u76f8\u4f3c\u3002\u56e0\u6b64\uff0c\u5728Buck\u7535\u8def\u7684\u8f93\u5165\u7535\u5bb9\u4e0a\u5e76\u8054\u4e00\u4e2a\u8f83\u5c0f\u503c\u7684\u9676\u74f7\u7535\u5bb9\u5668\u5e76\u4e0d\u80fd\u6709\u6548\u5730\u51cf\u5c11\u8fd9\u79cd\u9ad8\u9891\u566a\u58f0\u3002<\/p>\n

\n\t\"\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u566a\u58f0\u7684\u539f\u7406\u5206\u6790\"<\/p>\n

\n\t\u7531\u4e8e\u9676\u74f7\u7535\u5bb9\u5668\u5728\u51fa\u73b0\u566a\u58f0\u7684\u9891\u6bb5\u5185\u5448\u611f\u6027\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u4e9b\u7528\u4e8e\u8870\u51cf\u7684\u5143\u4ef6\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e9b\u5143\u4ef6\u4ec5\u4f1a\u5728PCB\u5370\u5236\u677f\u7684\u8d70\u7ebf\u4e0a\u4ea7\u751f\u963b\u6297\u3002\u572862mil FR4\u7535\u8def\u677f<\/u>\u4e0a50mil\u5bbd2\u76ce\u53f8\u94dc\u8d70\u7ebf\u7684\u963b\u6297\u5178\u578b\u503c\u6bcf\u82f1\u5bf8\u7ea6\u4e3a11nH\u3002\u5bb9\u91cf\u4e3a1μf\u3001\u5c01\u88c5\u4e3a0603\u7684\u9676\u74f7\u7535\u5bb9\u5668\u7684\u5178\u578b\u611f\u6297\u7ea6\u4e3a0.5nH\u3002\u5728100MHz\u9ad8\u9891\u8f93\u5165\u566a\u58f0\u65f6\uff0c\u8fd9\u76f8\u5f53\u4e8e21dB\u6216\u51cf\u5c111\/12x\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u603b\u662f\u671f\u671b\u80fd\u5f97\u5230\u66f4\u591a\u7684\u8870\u51cf\uff0c\u4f46\u566a\u58f0\u9891\u7387\u51b3\u5b9a\u4e86L\/R\u7f51\u7edc\u7684\u8870\u51cf\u91cf\u3002\u52a0\u94c1\u6c27\u4f53\u867d\u53ef\u589e\u52a0\u9ad8\u9891\u963b\u6297\uff0c\u4f46\u53ef\u4f7f\u76f4\u6d41\u635f\u8017\u964d\u5230\u6700\u5c0f\u3002<\/p>\n

\n\t3.3 \u94c1\u6c27\u4f53\u5bf9\u7eb9\u6ce2\u548c\u566a\u58f0\u51cf\u5c11<\/p>\n

\n\t\u5982\u679c\u7535\u8def\u677f\u8d70\u7ebf\u7684\u963b\u6297\u4e0d\u8db3\u4ee5\u4f5c\u4e3a\u963b\u6027\u5143\u4ef6\u6784\u6210\u4f4e\u901a\u6ee4\u6ce2\u5668<\/u>\uff0c\u53ef\u7528\u4e00\u4e2a\u5c0f\u94c1\u6c27\u4f53\u78c1\u73e0\u6765\u589e\u52a0\u963b\u6297\uff0c\u6539\u5584\u5bf9\u566a\u58f0\u7684\u6291\u5236\u3002\u4f7f\u7528\u94c1\u6c27\u4f53\u78c1\u73e0\u53ef\u4ee5\u628a\u8f93\u5165\u7eb9\u6ce2\u8870\u51cf\u8fd1\u4f3c\u4e3a\u952f\u9f7f\u6ce2\uff0c\u5e76\u53ef\u628a\u5b83\u964d\u4f4e\u4e3a\u57fa\u9891\u6210\u5206\u3002\u5229\u7528\u94c1\u6c27\u4f53\u78c1\u73e0\u7684\u76f4\u6d41\u963b\u6297\uff08Rb\uff09\u548c\u6ee4\u6ce2\u7535\u5bb9 \uff08Cf\uff09\u53ef\u4ee5\u786e\u5b9a\u8f6c\u6298\u9891\u7387\u548c\u5728\u76f8\u5e94\u5f00\u5173\u9891\u7387\u4e0b\u7684\u7eb9\u6ce2\u8870\u51cf\u3002\u94c1\u6c27\u4f53\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u7684\u5178\u578b\u7535\u8def\uff08\u5982\u56fe5\uff09\u53ca\u76f8\u5e94\u7684\u8ba1\u7b97\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n

\n\t\"\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u566a\u58f0\u7684\u539f\u7406\u5206\u6790\"<\/p>\n

\n\t\u9ad8\u9891\u566a\u58f0\u7684\u8870\u51cf\u8981\u6c42\u6d4b\u8bd5\u5728\u8f93\u5165\u9ad8\u9891\u566a\u58f0\u7684\u5171\u632f\u9891\u7387\u4e0b\u94c1\u6c27\u4f53\u78c1\u73e0\u7684\u963b\u6297\u3002\u901a\u5e38\u9ad8\u9891\u566a\u58f0\u51fa\u73b0\u5728\u7ea6400MHz\u65f6\uff0c\u800c\u56fe7\u4e2d\u5728400MHz\u4e0b\u94c1\u6c27\u4f53\u78c1\u73e0\u7684\u963b\u6297\u7ea6140Ω\u3002\u4ece\u56fe4\u53ef\u77e5\uff0c\u6ee4\u6ce2\u7535\u5bb9\u5668\u5728400MHz\u65f6\u76f8\u5e94\u7684\u963b\u6297\u7ea6\u4e3a1Ω\u5e76\u4e14\u5448\u611f\u6027\u3002\u8fd9\u6837\uff0c\u5229\u7528\u8be5\u7f51\u7edc\u5c31\u53ef\u4ee5\u5927\u6982\u8ba1\u7b97\u51fa\u5728400MHz\u65f6\u7684\u8870\u51cf\uff0c\u7b49\u6548\u6a21\u62df\u7535\u8def\u5982\u56fe6\u6240\u793a\u3002<\/p>\n

\n\t\"\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u566a\u58f0\u7684\u539f\u7406\u5206\u6790\"<\/p>\n

\n\t\u4e3a\u4e00\u4e2a\u8d34\u7247\u5c01\u88c5\u7684\u94c1\u6c27\u4f53\u78c1\u73e0\u7684\u5178\u578b\u963b\u6297\u9891\u7387\u7279\u6027\u3002\u94c1\u6c27\u4f53\u78c1\u73e0\u6709\u4e00\u4e2a\u5f88\u5c0f\u7684\u76f4\u6d41\u963b\u6297\uff0c\u4f7f\u5b83\u901a\u8fc7\u76f4\u6d41\u7535\u6d41\u5bf9\u7cfb\u7edf\u7684\u6548\u7387\u6709\u5f88\u5c0f\u7684\u5f71\u54cd\u3002\u5b83\u8fd8\u5728\u53d8\u6362\u5668\u51fa\u73b0\u9ad8\u9891\u566a\u58f0\u7684\u9891\u5e26\u5185\u62e5\u6709\u5f88\u5927\u7684\u963b\u6297\u3002\u4ece\u66f2\u7ebf\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u9891\u7387\u5728200MHz\u4ee5\u4e0a\u65f6\u963b\u6297\u5927\u4e8e100Ω\u3002\u5728\u5e94\u7528\u4e86\u94c1\u6c27\u4f53\u78c1\u73e0\u7684\u4f8b\u5b50\u4e2d\uff0c\u6709500mA\u7684\u989d\u5b9a\u7535\u6d41\u548c0.3Ω\u7684\u76f4\u6d41\u963b\u6297\uff0c\u8fd9\u5c31\u4f7f\u9644\u52a0\u5668\u4ef6\u7684\u635f\u8017\u53ef\u4ee5\u964d\u5230\u6700\u4f4e\u3002<\/p>\n

\n\t\"\u78c1\u73e0\u6291\u5236\u7eb9\u6ce2\u566a\u58f0\u7684\u539f\u7406\u5206\u6790\"<\/p>\n

\n\t4. \u7ed3\u8bba<\/p>\n

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