{"id":16790,"date":"2022-01-20T10:16:30","date_gmt":"2022-01-20T02:16:30","guid":{"rendered":"https:\/\/www.paiqinano.com\/?p=16790"},"modified":"2022-01-13T16:04:45","modified_gmt":"2022-01-13T08:04:45","slug":"%e7%89%a9%e8%81%94%e7%bd%91%e7%94%b5%e8%b7%af%e6%9d%bf%e8%ae%be%e8%ae%a1%e4%b8%ad%e6%80%8e%e4%b9%88%e6%9b%b4%e5%a5%bd%e7%9a%84%e6%8e%a8%e5%8a%a8%e5%ae%9e%e7%8e%b0%e6%97%a0%e7%ba%bf%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/www.paiqinano.com\/?p=16790","title":{"rendered":"\u7269\u8054\u7f51\u7535\u8def\u677f\u8bbe\u8ba1\u4e2d\u600e\u4e48\u66f4\u597d\u7684\u63a8\u52a8\u5b9e\u73b0\u65e0\u7ebf\u901a\u4fe1\uff1f"},"content":{"rendered":"

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\n\t\u5047\u5982\u60a8\u4e0d\u53ef\u4ee5\u5e94\u7528\u53c2\u7167\u8bbe\u8ba1\u65b9\u6848\u5b83\u7684\u521d\u59cb\u65b9\u5f0f\uff0c\u9075\u5faa\u4e00\u5957\u6700\u4f73\u5b9e\u8df5\u6307\u5f15\u5c06\u63d0\u5347\u60a8\u53d6\u5f97\u6210\u529f\u7684\u673a\u9047\u3002<\/p>\n

\n\t\u914d\u5bf9\u4e92\u8054\u7f51\u7684\u7b2c\u4e00\u4e2a\u539f\u7d20\u5e94\u5c3d\u91cf\u6328\u8fd1RF IC\u7684Tx\u5bfc\u51fa\u7ba1\u811a\u3002\u522b\u7684\u90e8\u4ef6\u4e5f\u5e94\u5f53\u7d27\u5bc6\u76f8\u8fde\u3002\u60a8\u671f\u5f85\u8054\u63a5\u8fd9\u79cd\u56e0\u7d20\u7684\u8ff9\u7ebf\u8ddd<\/u>\u5ea6\u76f8\u5f53\u4e8e\u710a\u5c42\u603b\u5bbd – \u9488\u5bf90402\u89c4\u683c\u7684\u5916\u8868\u8d34\u7247\u5143\u5668\u4ef6\uff0c\u901a\u5e38\u4e3a0.5 mm\u3002<\/p>\n

\n\t\"\u5728\u7269\u8054\u7f51\u7535\u8def\u677f\u8bbe\u8ba1\u4e2d\u63a8\u52a8\u5b9e\u73b0\u65e0\u7ebf\u901a\u4fe1\u7684\u56e0\u7d20\u662f\u4ec0\u4e48\"<\/p>\n

\n\t\u56fe2\uff1a\u8fd9\u662f\u4e00\u4e2a2.4 GHz EFR32\u7ebf\u8def\u677f\uff0c\u5728\u5176\u4e2d\u5173\u952e\u539f\u7d20\u7a81\u663e\u3002<\/p>\n

\n\t\u52a1\u5fc5\u5728\u6bcf\u4e00\u4e2a\u5f00\u5173\u7535\u6e90\u7ba1\u811a\u4e0a\u6070\u5f53\u7f6e\u653e\u53bb\u8026\u7535\u5bb9\u3002\u5c06\u6700\u4f4e\u9650\u7684\u65c1\u8def\u7535\u5bb9\u7f6e\u653e\u5728\u6328\u8fd1IC\u7ba1\u811a\u7684\u90e8\u4f4d\uff0c\u5e94\u7528\u4f18\u826f\u7684\u63a5\u5730\u88c5\u7f6e\u548c\u597d\u51e0\u4e2a\u901a\u5b54\u5230\u63a5\u5730\u8d28\u6784\u9020\u3002\u5e94\u7528\u7535\u5bb9\u5668\u7ea6\u4e3a100 nF\u7684\u65c1\u8def\u7535\u5bb9\u53ef\u4ee5\u6291\u6b62\u65f6\u949f\u4fe1\u53f7\uff08\u8fbe\u5230\u6570\u5341MHz\uff09\u3002\u5982\u679c\u4e0d\u90a3\u6837\u505a\uff0c\u8fd9\u79cd\u6570\u636e\u4fe1\u53f7\u5f88\u6709\u53ef\u80fd\u4f1a\u88ab\u4e0a\u53d8\u9891\u5e76\u5728\u8f7d\u6ce2\u901a\u4fe1\u5de5\u4f5c\u9891\u7387\u5468\u8fb9\u9020\u6210\u4e0d\u671f\u671b\u7684\u6742\u6563\u3002<\/p>\n

\n\t\u5177\u5907\u6700\u5927\u503c\u7684\u7535\u5bb9\u5668\uff08\u6ee4\u6389\u7535\u6e90\u5f00\u5173<\/u>\u5f00\u5173\u7535\u6e90\u7684\u5f71\u54cd\uff09\u53ef\u4ee5\u66f4\u8fdc\u6765\u6e90\u4e8e\u5f00\u5173\u7535\u6e90\u7ba1\u811a\uff0c\u5145\u7535\u7535\u6c60<\/u>\u914d\u7535\u6a21\u5757\u4e2d\u538b\u6839\u4e0d\u7528\u3002<\/p>\n

\n\t\u60a8\u7684\u7ed3\u6676\u5e94\u5c3d\u91cf\u6328\u8fd1RF IC\u3002\u6839\u636e\u597d\u51e0\u4e2a\u901a\u5b54\u5c06\u5176\u673a\u58f3\u8054\u63a5\u5230\u8def\u9762\u3002\u5728VDD\u5e03\u7ebf\u548c\u6676\u632f\u7535\u8def<\/u>\u4e2d\u95f4\u5e94\u7528\u9632\u62a4\u63a5\u5730\u88c5\u7f6e\u91d1\u5c5e\u6750\u6599\u3002<\/p>\n

\n\t\u6070\u5f53\u8054\u63a5\u63a5\u5730\u88c5\u7f6e\u8054\u63a5\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002\u52a0\u539a\u578b\u7535\u529b\u7535\u5bb9\u5668<\/u>\u63a5\u5730\u88c5\u7f6e\u7ba1\u811a\u5468\u8fb9\u7684\u5e03\u7ebf\uff0c\u5e76\u5728\u8fd9\u79cd\u63a5\u5730\u88c5\u7f6e\u7ba1\u811a\u5468\u8fb9\u6dfb\u52a0\u9644\u52a0\u7684\u901a\u5b54\uff0c\u8054\u63a5\u5230\u6700\u5e95\u5c42\u6216\u91cc\u5c42\u63a5\u5730\u8d28\u6784\u9020\u3002<\/p>\n

\n\t\u4e00\u6837\uff0c\u60a8\u5e94\u5f53\u5e94\u7528\u597d\u51e0\u4e2a\u901a\u5b54\u5c06\u5916\u9732\u710a\u5c42\u63a5\u5730\u88c5\u7f6eRF IC\u710a\u5c42\u7684\u56e2\u5757\u603b\u9762\u79ef\uff0c\u4e5f\u53ef\u4f5c\u4e3a\u70ed\u7ba1\u6563\u70ed\u5668\u3002\u56fe2\u4e2d\u7684\u5b9e\u4f8b\u5177\u59077 x 7 mm IC\u5c01\u88c5\uff0c\u542b\u670925\u4e2a\u901a\u5b54\uff0c\u6bcf\u4e00\u4e2a\u901a\u5b54\u7684\u957f\u5ea6\u4e3a0.25 mm\u3002\u7406\u60f3\u5316\u72b6\u51b5\u4e0b\uff0c\u60a8\u7684\u710a\u5c42\u63a5\u5730\u88c5\u7f6e\u5e94\u8fde\u63a5\u5230\u9ad8\u5c42\u63a5\u5730\u88c5\u7f6e\u91d1\u5c5e\u6750\u6599\uff0c\u5f88\u6709\u53ef\u80fd\u6839\u636eIC\u5c01\u88c5\u7684\u8fb9\u7f18\u5e94\u7528\u5bf9\u89d2\u5e03\u7ebf\u8054\u63a5\u3002\u6709\u65f6\u5019\uff0c\u6570\u636e\u4fe1\u53f7\u53ef\u4ee5\u85d5\u5408\u5728\u5468\u8fb9\u6ee4\u6ce2\u7535\u5bb9\u5668\u7684\u63a5\u5730\u88c5\u7f6e\u8054\u63a5\u4e2d\u95f4;\u5047\u5982\u5c06\u8fd9\u79cd\u8054\u63a5\u5230\u540c\u8f74\u7535\u7f06\u4e24\u8fb9\u7684\u63a5\u5730\u88c5\u7f6e\u7aef\uff0c\u53ef\u4ee5\u9632\u6b62\u6b64\u95ee\u9898\u3002<\/p>\n

\n\t\u5728\u914d\u5bf9\u7684\u4e92\u8054\u7f51\u8303\u56f4\u4e2d\uff0c\u5728\u710a\u5c42\u548c\u90bb\u8fd1\u7684\u63a5\u5730\u88c5\u7f6e\u8fdb\u80f6\u53e3\u4e2d\u95f4\u7ef4\u6301\u6700\u5c110.5 mm\uff0c\u5982\u53ca\u5176\u5370\u75d5\u4e2d\u95f4\u3002\u5047\u5982\u60a8\u5e94\u7528\u7684\u662f\u56db\u5c42PCB\uff0c\u8bf7\u6dfb\u5145\u914d\u5bf9\u4e92\u8054\u7f51\u4e0b\u8fb9\u5730\u533a\u7684\u7b2c\u4e00\u4e2a\u91cc\u5c42\uff08\u9ad8\u5c42\u4e0b\u8fb9\uff09\u548c\u6301\u7eed\u63a5\u5730\u88c5\u7f6e\u91d1\u5c5e\u6750\u6599\u7684RF IC\u3002\u5343\u4e07\u4e0d\u8981\u963b\u62e6Tx\/Rx\u914d\u5bf9\u4e92\u8054\u7f51\u63a5\u5730\u88c5\u7f6e\u901a\u5b54\u4e0eRF IC\u710a\u5c42\u95f4\u7684\u63a5\u5730\u88c5\u7f6e\u63a7\u5236\u56de\u8def\u3002\u60a8\u5fc5\u987b\u4e00\u6761\u6e05\u695a\u7684RF IC\u56de\u5230\u9014\u5f84\u3002<\/p>\n

\n\t\u8981\u8003\u8651\u5230\u7684\u6700\u540e\u4e00\u4e2a\u5c42\u9762\u662fRF\u4e00\u90e8\u5206\u81ea\u8eab\u3002\u5f53\u60a8\u8054\u63a5\u5230\u677f\u8f7d\u65e0\u7ebf\u5929\u7ebf\uff0c\u65e0\u7ebf\u5929\u7ebf\u5c04\u9891\u8fde\u63a5\u5668\u6216\u4e00\u5207\u522b\u7684RF\u90e8\u4ef6\u65f6\uff0c\u8bf7\u5e94\u752850\u6b27\u6bcd\u63a5\u5730\u88c5\u7f6e\u5171\u9762\u540c\u8f74\u7535\u7f06\u3002\u6b64\u5916\uff0c\u8fd9\u5c06\u964d\u4f4e\u4e0d\u7528\u7684\u8f90\u5c04\u6e90\uff0c\u60a8\u53ef\u4ee5\u5229\u7528\u5728\u5149\u7ea4\u8026\u5408\u5668\u7ebf\u5468\u8fb9\u7f6e\u653e\u597d\u51e0\u4e2a\u63a5\u5730\u88c5\u7f6e\u901a\u5b54\u6765\u8fdb\u4e00\u6b65\u964d\u4f4e\u8f90\u5c04\u6e90\u3002<\/p>\n

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\n\t\u60a8\u8fd8\u5fc5\u987b\u5728\u63a5\u5730\u88c5\u7f6e\u91d1\u5c5e\u6750\u6599\u5730\u533a\u7684\u8fb9\u6cbf\u5e03\u7f72\u597d\u51e0\u4e2a\u63a5\u5730\u88c5\u7f6e\u8fc7\u5b54\uff0c\u7279\u522b\u662f\u5f00\u5173\u7535\u6e90\u5e03\u7ebf\uff08\u53c2\u7167\u56fe3\uff09\u548cPCB\u8fb9\u6cbf\u5468\u8fb9\u3002\u8fd9\u5c06\u964d\u4f4e\u8fb9\u6cbf\u573a\u5f88\u6709\u53ef\u80fd\u9020\u6210\u7684\u8c10\u6ce2\u7535\u6d41\u8f90\u5c04\u6e90\u3002<\/p>\n

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\n\t\u7ed3\u679c<\/p>\n

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