{"id":2083,"date":"2019-01-11T06:18:07","date_gmt":"2019-01-11T06:18:07","guid":{"rendered":""},"modified":"2019-01-11T14:19:07","modified_gmt":"2019-01-11T06:19:07","slug":"%e7%94%b5%e6%b5%81%e6%a3%80%e6%b5%8b%e7%94%b5%e9%98%bb%e5%a4%9a%e7%a7%8d%e5%bd%a2%e7%8a%b6%e5%92%8c%e5%b0%ba%e5%af%b8%e9%80%89%e6%8b%a9%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2083","title":{"rendered":"\u7535\u6d41\u68c0\u6d4b\u7535\u963b\u591a\u79cd\u5f62\u72b6\u548c\u5c3a\u5bf8\u9009\u62e9\u65b9\u5f0f"},"content":{"rendered":"
\u7535\u6d41<\/u><\/span>\u68c0\u6d4b\u7535\u963b\u6709\u591a\u79cd\u5f62\u72b6\u548c\u5c3a\u5bf8\u53ef\u4f9b\u9009\u62e9\uff0c\u7528\u4e8e\u6d4b\u91cf\u8bf8\u591a\u6c7d\u8f66\u3001\u529f\u7387\u63a7\u5236\u548c\u5de5\u4e1a\u7cfb\u7edf\u4e2d\u7684\u7535\u6d41\u3002\u4f7f\u7528\u6781\u4f4e\u503c\u7535\u963b\uff08\u51e0 m\u2126\u6216\u4ee5\u4e0b\uff09\u65f6\uff0c\u710a\u6599\u7684\u7535\u963b\u5c06\u5728\u68c0\u6d4b\u5143\u4ef6\u7535\u963b\u4e2d\u5360\u636e\u5f88\u5927\u6bd4\u4f8b\uff0c\u7ed3\u679c\u5927\u5e45\u589e\u52a0\u6d4b\u91cf\u8bef\u5dee\u3002\u9ad8\u7cbe\u5ea6\u5e94\u7528\u901a\u5e38\u4f7f\u7528 4 \u5f15\u811a\u7535\u963b\u548c\u5f00\u5c14\u6587\u68c0\u6d4b\u6280\u672f\u4ee5\u51cf\u5c11\u8fd9\u79cd\u8bef\u5dee\uff0c\u4f46\u662f\u8fd9\u4e9b\u4e13\u7528\u7535\u963b\u5374\u53ef\u80fd\u5341\u5206\u6602\u8d35\u3002\u53e6\u5916\uff0c\u5728\u6d4b\u91cf\u5927\u7535\u6d41\u65f6\uff0c\u7535\u963b\u710a\u76d8\u7684\u5c3a\u5bf8\u548c\u8bbe\u8ba1\u5728\u786e\u5b9a\u68c0\u6d4b\u7cbe\u5ea6\u65b9\u9762\u8d77\u7740\u5173\u952e\u4f5c\u7528\u3002\u672c\u6587\u5c06\u63cf\u8ff0\u4e00\u79cd\u66ff\u4ee3\u65b9\u6848\uff0c\u8be5\u65b9\u6848\u91c7\u7528\u4e00\u79cd\u6807\u51c6\u7684\u4f4e\u6210\u672c\u53cc\u710a\u76d8\u68c0\u6d4b\u7535\u963b\uff084 \u710a\u76d8\u5e03\u5c40\uff09\u4ee5\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u5f00\u5c14\u6587\u68c0\u6d4b\u3002\u56fe 1 \u6240\u793a\u4e3a\u7528\u4e8e\u786e\u5b9a\u4e94\u79cd\u4e0d\u540c\u5e03\u5c40\u6240\u81f4\u8bef\u5dee\u7684\u6d4b\u8bd5\u677f\u3002<\/span> \n\t\u7535\u6d41\u68c0\u6d4b\u7535\u963b<\/p>\n \n\t\u91c7\u7528 2512 \u5c01\u88c5\u7684\u5e38\u7528\u7535\u6d41\u68c0\u6d4b\u7535\u963b\u7684\u7535\u963b\u503c\u6700\u4f4e\u53ef\u8fbe 0.5m\u2126\uff0c\u5176\u6700\u5927\u529f\u8017\u53ef\u80fd\u8fbe 3 W\u3002\u4e3a\u4e86\u5c55\u73b0\u6700\u5dee\u6761\u4ef6\u4e0b\u7684\u8bef\u5dee\uff0c\u8fd9\u4e9b\u8bd5\u9a8c\u91c7\u7528\u4e00\u4e2a 0.5 m\u2126\u30013 W\u7535\u963b\uff0c\u5176\u5bb9\u5dee\u4e3a 1%\uff08\u578b\u53f7\uff1aULRG3-2512-0M50-FLFSLT\uff1b\u5236\u9020\u5546\uff1aWelwyn\/TTe<\/u>lectronics\uff09\u3002<\/p>\n \n\t\u5176\u5c3a\u5bf8\u548c\u6807\u51c6 4 \u7ebf\u5c01\u88c5\u5982\u56fe 2 \u6240\u793a\u3002<\/p>\n \n\t\u4f20\u7edf\u5c01\u88c5<\/p>\n \n\t\u5bf9\u4e8e\u5f00\u5c14\u6587\u68c0\u6d4b\uff0c\u5fc5\u987b\u5c06\u6807\u51c6\u53cc\u7ebf\u5c01\u88c5\u710a\u76d8\u8fdb\u884c\u62c6\u5206\uff0c\u4ee5\u4fbf\u4e3a\u7cfb\u7edf\u7535\u6d41\u548c\u68c0\u6d4b\u7535\u6d41\u63d0\u4f9b\u72ec\u7acb\u7684\u8def\u5f84\u3002\u56fe 3 \u663e\u793a\u4e86\u6b64\u7c7b\u5e03\u5c40\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002\u7cfb\u7edf\u7535\u6d41\u7528\u7ea2\u8272\u7bad\u5934\u8868\u793a\u7684\u8def\u5f84\u3002\u5982\u679c\u4f7f\u7528\u4e00\u79cd\u7b80\u5355\u7684\u53cc\u710a\u76d8\u5e03\u5c40\uff0c\u5219\u603b\u7535\u963b\u4e3a\uff1a<\/p>\n \n\t\u4e3a\u4e86\u907f\u514d\u589e\u52a0\u7535\u963b\uff0c\u9700\u8981\u628a\u7535\u538b\u68c0\u6d4b\u8d70\u7ebf\u6b63\u786e\u7684\u5e03\u5c40\u5230\u68c0\u6d4b\u7535\u963b\u710a\u76d8\u5904\u3002\u7cfb\u7edf\u7535\u6d41\u5c06\u5728\u4e0a\u90e8\u710a\u70b9\u5bfc\u81f4\u663e\u8457\u7684\u538b\u964d\uff0c\u4f46\u68c0\u6d4b\u7535\u6d41\u5219\u4f1a\u5728\u4e0b\u90e8\u710a\u70b9\u5bfc\u81f4\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u7684\u538b\u964d\u3002\u53ef\u89c1\uff0c\u8fd9\u79cd\u710a\u76d8\u5206\u79bb\u65b9\u6848\u53ef\u4ee5\u6d88\u9664\u6d4b\u91cf\u4e2d\u7684\u710a\u70b9\u7535\u963b\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u603b\u4f53\u7cbe\u5ea6\u3002<\/p>\n \n\t\u4f18\u5316\u5f00\u5c14\u6587\u5c01\u88c5<\/p>\n \n\t\u56fe 3 \u6240\u793a\u5e03\u5c40\u662f\u5bf9\u6807\u51c6\u53cc\u710a\u76d8\u65b9\u6848\u7684\u4e00\u79cd\u663e\u8457\u7684\u6539\u8fdb\uff0c\u4f46\u662f\uff0c\u5728\u4f7f\u7528\u6781\u4f4e\u503c\u7535\u963b\uff080.5 m\u2126 \u6216\u4ee5\u4e0b\uff09\u65f6\uff0c\u710a\u76d8\u4e0a\u68c0\u6d4b\u70b9\u7684\u7269\u7406\u4f4d\u7f6e\u4ee5\u53ca\u6d41\u7ecf\u7535\u963b\u7684\u7535\u6d41\u5bf9\u79f0\u6027\u7684\u5f71\u54cd\u5c06\u53d8\u5f97\u66f4\u52a0\u663e\u8457\u3002\u4f8b\u5982\uff0cULRG3-2512-0M50-FLFSL \u662f\u4e00\u6b3e\u56fa\u6001\u91d1\u5c5e\u5408\u91d1\u7535\u963b\uff0c\u56e0\u6b64\uff0c\u7535\u963b\u6cbf\u7740\u710a\u76d8\u6bcf\u5ef6\u4f38\u4e00\u6beb\u7c73\uff0c\u7ed3\u679c\u90fd\u4f1a\u5f71\u54cd\u6709\u6548\u7535\u963b\u3002\u4f7f\u7528\u6821\u51c6\u7535\u6d41\uff0c\u901a\u8fc7\u6bd4\u8f83\u4e94\u79cd\u5b9a\u5236\u5c01\u88c5\u4e0b\u7684\u538b\u964d\uff0c\u53ef\u4ee5\u786e\u5b9a\u6700\u4f73\u68c0\u6d4b\u5e03\u5c40\u3002<\/p>\n \n\t\u6d4b\u8bd5PCB\u677f<\/p>\n \n\t\u56fe 4 \u5c55\u793a\u5728\u6d4b\u8bd5 PCB \u677f\u4e0a\u6784\u5efa\u7684\u4e94\u79cd\u5e03\u5c40\u6a21\u5f0f\uff0c\u5206\u522b\u6807\u8bb0\u4e3a A\u5230 E\u3002\u6211\u4eec\u5c3d\u53ef\u80fd\u628a\u8d70\u7ebf\u5e03\u5c40\u5230\u6cbf\u7740\u68c0\u6d4b\u710a\u76d8\u5ef6\u4f38\u7684\u4e0d\u540c\u4f4d\u7f6e\u7684\u6d4b\u8bd5\u70b9\uff0c\u8868\u793a\u4e3a\u56fe\u4e2d\u7684\u5f69\u70b9\u3002\u5404\u4e2a\u7535\u963b\u5c01\u88c5\u4e3a\uff1a<\/p>\n \n\tA. \u57fa\u4e8e 2512 \u5efa\u8bae\u5c01\u88c5\u7684\u6807\u51c6 4 \u7ebf\u7535\u963b\uff08\u89c1\u56fe 2(b)\uff09\u3002\u68c0\u6d4b\u70b9\u5bf9\uff08X \u548c Y\uff09\u4f4d\u4e8e\u710a\u76d8\u5916\u7f18\u548c\u5185\u7f18\uff08x \u8f74\uff09\u3002B. \u7c7b\u4f3c\u4e8e A\uff0c\u4f46\u710a\u76d8\u5411\u5185\u5ef6\u4f38\u8f83\u957f\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u8986\u76d6\u710a\u76d8\u533a\uff08\u89c1\u56fe 2(a)\uff09\u3002\u68c0\u6d4b\u70b9\u4f4d\u4e8e\u710a\u76d8\u4e2d\u5fc3\u548c\u672b\u7aef\u3002C. \u5229\u7528\u710a\u76d8\u4e24\u4fa7\u4ee5\u63d0\u4f9b\u66f4\u5bf9\u79f0\u7684\u7cfb\u7edf\u7535\u6d41\u901a\u8def\u3002\u540c\u65f6\u628a\u68c0\u6d4b\u70b9\u79fb\u52a8\u5230\u66f4\u4e2d\u5fc3\u7684\u4f4d\u7f6e\u3002\u68c0\u6d4b\u70b9\u4f4d\u4e8e\u710a\u76d8\u4e2d\u5fc3\u548c\u672b\u7aef\u3002D. \u4e0e C \u7c7b\u4f3c\uff0c\u53ea\u662f\u7cfb\u7edf\u7535\u6d41\u710a\u76d8\u5728\u6700\u9760\u91cc\u7684\u70b9\u63a5\u5408\u3002\u53ea\u4f7f\u7528\u4e86\u5916\u90e8\u68c0\u6d4b\u70b9\u3002E. A \u548c B \u7684\u6df7\u5408\u4f53\u3002\u7cfb\u7edf\u7535\u6d41\u6d41\u8fc7\u8f83\u5bbd\u7684\u710a\u76d8\uff0c\u68c0\u6d4b\u7535\u6d41\u6d41\u8fc7\u8f83\u5c0f\u7684\u710a\u76d8\u3002\u68c0\u6d4b\u70b9\u4f4d\u4e8e\u710a\u76d8\u7684\u5916\u7f18\u548c\u5185\u7f18\u3002<\/p>\n \n\t\u5728\u6a21\u677f\u4e0a\u6d82\u62b9\u710a\u6599\uff0c\u5e76\u5728\u56de\u6d41\u7089\u4e2d\u4f7f\u7528\u56de\u6d41\u710a\u63a5\u3002\u4f7f\u7528\u7684\u662fULRG3-2512-0M50-FLFSLT \u7535\u963b\u3002<\/p>\n \n\t\u6d4b\u8bd5\u6b65\u9aa4<\/p>\n \n\t\u6d4b\u8bd5\u8bbe\u8ba1\u5982\u56fe 5 \u6240\u793a\u3002\u4f7f 20 A \u7684\u6821\u51c6\u7535\u6d41\u901a\u8fc7\u5404\u4e2a\u7535\u963b\uff0c\u540c\u65f6\u4f7f\u7535\u963b\u4fdd\u6301\u5728 25°C\u3002\u5728\u52a0\u8f7d\u7535\u6d41\u540e 1 \u79d2\u5185\uff0c\u6d4b\u91cf\u4ea7\u751f\u7684\u5dee\u5206\u7535\u538b\uff0c\u4ee5\u9632\u6b62\u7535\u963b\u6e29\u5ea6\u5347\u9ad8 1°C \u4ee5\u4e0a\u3002\u540c\u65f6\u76d1\u63a7\u5404\u4e2a\u7535\u963b\u7684\u6e29\u5ea6\uff0c\u4ee5\u786e\u4fdd\u6d4b\u8bd5\u7ed3\u679c\u5747\u5728 25°C \u4e0b\u6d4b\u5f97\u3002\u7535\u6d41\u4e3a 20 A \u65f6\uff0c\u901a\u8fc7 0.5 m\u2126 \u7535\u963b\u7684\u7406\u60f3\u538b\u964d\u4e3a 10 mV\u3002<\/p>\n \n\t<\/p>\n \n\t\u6d4b\u8bd5\u7ed3\u679c<\/p>\n \n\t\u8868 1 \u5217\u51fa\u4e86\u91c7\u7528\u56fe 4 \u6240\u793a\u68c0\u6d4b\u710a\u76d8\u4f4d\u7f6e\u6d4b\u5f97\u7684\u6570\u636e\u3002<\/p>\n \n\t\u8868 1. \u6d4b\u5f97\u7535\u538b\u548c\u8bef\u5dee<\/p>\n \n\t<\/p>\n \n\t*\u65e0\u5f00\u5c14\u6587\u68c0\u6d4b\u3002\u5bf9\u901a\u8fc7\u9ad8\u7535\u6d41\u4e3b\u710a\u76d8\u7684\u7535\u538b\u8fdb\u884c\u6d4b\u91cf\uff0c\u4ee5\u5c55\u793a\u4e0e\u710a\u6599\u7535\u963b\u76f8\u5173\u7684\u8bef\u5dee\u3002<\/p>\n \n\t\u89c2\u5bdf\u7ed3\u679c<\/p>\n \n\t1. \u7531\u4e8e\u7ed3\u679c\u7684\u53ef\u6bd4\u8f83\u6027\u4ee5\u53ca\u5404\u7535\u963b\u504f\u5dee\u90fd\u5728\u5bb9\u9650\u8303\u56f4\u4e4b\u5185\uff0c\u6240\u4ee5\u5f97\u51fa\u5c01\u88c5 C \u548c D \u7684\u8bef\u5dee\u6700\u5c11\u3002\u5c01\u88c5 C \u4e3a\u9996\u9009\u5c01\u88c5\uff0c\u56e0\u4e3a\u5b83\u4e0d\u5927\u53ef\u80fd\u5bfc\u81f4\u4e0e\u5143\u4ef6\u653e\u7f6e\u5bb9\u9650\u76f8\u5173\u7684\u95ee\u9898\u30022. \u5728\u6bcf\u4e00\u79cd\u60c5\u51b5\u4e0b\uff0c\u7535\u963b\u5916\u7aef\u7684\u68c0\u6d4b\u70b9\u63d0\u4f9b\u7684\u7ed3\u679c\u6700\u51c6\u786e\u3002\u8fd9\u8868\u660e\uff0c\u8fd9\u4e9b\u7535\u963b\u662f\u5236\u9020\u5546\u6839\u636e\u7535\u963b\u7684\u603b\u957f\u5ea6\u8bbe\u8ba1\u7684\u30023. \u8bf7\u6ce8\u610f\uff0c\u5728\u672a\u4f7f\u7528\u5f00\u5c14\u6587\u68c0\u6d4b\u65f6\uff0c\u710a\u6599\u7535\u963b\u76f8\u5173\u8bef\u5dee\u662f 22%\u3002\u8fd9\u76f8\u5f53\u4e8e\u7ea6 0.144 m\u2126 \u7684\u710a\u6599\u7535\u963b\u30024. \u5c01\u88c5 E \u5c55\u793a\u4e86\u4e0d\u5bf9\u79f0\u710a\u76d8\u5e03\u5c40\u7684\u6548\u5e94\u3002\u56de\u6d41\u671f\u95f4\uff0c\u5143\u4ef6\u901a\u8fc7\u5927\u91cf\u710a\u6599\u624d\u80fd\u710a\u76d8\u3002\u5e94\u907f\u514d\u8fd9\u79cd\u5c01\u88c5\u3002<\/p>\n \n\t\u7ed3\u8bba<\/p>\n \n\t\u6839\u636e\u524d\u9762\u6240\u793a\u7ed3\u679c\uff0c\u6700\u4f73\u5c01\u88c5\u662f C\uff0c\u5176\u9884\u671f\u6d4b\u91cf\u8bef\u5dee\u5c0f\u4e8e 1%\u3002\u8be5\u5c01\u88c5\u7684\u5efa\u8bae\u5c3a\u5bf8\u5982\u56fe 6 \u6240\u793a\u3002<\/p>\n \n\tAnalog Dialog<\/u>ue 46-06 Back Burner, June (2012) 3\u68c0\u6d4b\u8d70\u7ebf\u7684\u5e03\u5c40\u4e5f\u4f1a\u5f71\u54cd\u6d4b\u91cf\u7cbe\u5ea6\u3002\u4e3a\u4e86\u5b9e\u73b0\u6700\u9ad8\u7cbe\u5ea6\uff0c\u5e94\u5728\u7535\u963b\u8fb9\u7f18\u6d4b\u91cf\u68c0\u6d4b\u7535\u538b\u3002\u56fe 7 \u6240\u793a\u5efa\u8bae\u5e03\u5c40\u91c7\u7528\u901a\u5b54\uff0c\u628a\u710a\u76d8\u5916\u8fb9\u7f18\u5e03\u5c40\u5230\u53e6\u4e00\u5c42\uff0c\u4ece\u800c\u907f\u514d\u5207\u5272\u4e3b\u7535\u6e90\u5c42\u3002<\/p>\n \n\t\u672c\u6587\u4e2d\u7684\u6570\u636e\u53ef\u80fd\u5e76\u4e0d\u9002\u7528\u4e8e\u6240\u6709\u7535\u963b\uff0c\u800c\u4e14\u7ed3\u679c\u53ef\u80fd\u56e0\u60c5\u51b5\u800c\u5f02\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u7535\u963b\u7684\u6750\u8d28\u548c\u5c3a\u5bf8\u3002\u5e94\u8be5\u54a8\u8be2\u7535\u963b\u5236\u9020\u5546\u3002\u7528\u6237\u6709\u8d23\u4efb\u786e\u4fdd\u5c01\u88c5\u7684\u5e03\u5c40\u5c3a\u5bf8\u548c\u7ed3\u6784\u5747\u7b26\u5408\u5404\u9879 SMT\u5236\u9020\u8981\u6c42\u3002\u5bf9\u4e8e\u56e0\u4f7f\u7528\u672c\u5c01\u88c5\u800c\u53ef\u80fd\u5bfc\u81f4\u7684\u4efb\u4f55\u95ee\u9898\uff0cADI<\/u>\u6982\u4e0d\u8d1f\u8d23\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u7535 \u6d41 \u68c0\u6d4b\u7535\u963b\u6709\u591a\u79cd\u5f62\u72b6\u548c\u5c3a\u5bf8\u53ef\u4f9b\u9009\u62e9\uff0c\u7528\u4e8e\u6d4b\u91cf\u8bf8\u591a\u6c7d\u8f66\u3001\u529f\u7387\u63a7\u5236\u548c\u5de5\u4e1a\u7cfb\u7edf\u4e2d\u7684\u7535\u6d41\u3002\u4f7f\u7528\u6781\u4f4e\u503c\u7535\u963b\uff08\u51e0 m\u2126\u6216\u4ee5\u4e0b\uff09\u65f6\uff0c\u710a\u6599\u7684\u7535\u963b\u5c06\u5728\u68c0\u6d4b\u5143\u4ef6\u7535\u963b\u4e2d\u5360\u636e\u5f88\u5927\u6bd4\u4f8b\uff0c\u7ed3<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2083"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2083"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2083\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2083"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n
\n\t<\/center>
\n
\n\t\u56fe 1. \u68c0\u6d4b\u7535\u963b\u5e03\u5c40\u6d4b\u8bd5 PCB \u677f\u3002<\/center><\/p>\n
\n\t<\/center>
\n
\n\t\u56fe 2. (a) ULRG3-2512-0M50-FLFSLT \u7535\u963b\u7684\u5916\u5f62\u5c3a\u5bf8\uff1b(b) \u6807\u51c6 4 \u710a\u76d8\u5c01\u88c5\u3002<\/center><\/p>\n
\n\t<\/center><\/p>\n
\n\t<\/center>
\n
\n\t\u56fe 3. \u5f00\u5c14\u6587\u68c0\u6d4b\u3002<\/center><\/p>\n
\n\t<\/center>
\n
\n\t\u56fe 4. \u6d4b\u8bd5 PCB \u677f\u7684\u5e03\u5c40\u3002<\/center><\/p>\n
\n\t\u56fe 5. \u6d4b\u8bd5\u8bbe\u7f6e\u3002<\/center><\/p>\n
\n\t<\/center>
\n
\n\t\u56fe 6. \u6700\u4f73\u5c01\u88c5\u5c3a\u5bf8\u3002<\/center><\/p>\n
\n\t<\/center>
\n
\n\t\u56fe 7. \u5efa\u8bae PCB \u8d70\u7ebf\u8def\u7531\u3002<\/center><\/p>\n