{"id":20194,"date":"2022-01-12T10:14:32","date_gmt":"2022-01-12T02:14:32","guid":{"rendered":"https:\/\/www.paiqinano.com\/?p=20194"},"modified":"2022-01-11T10:56:00","modified_gmt":"2022-01-11T02:56:00","slug":"pcb%e7%94%b5%e8%b7%af%e6%9d%bf%e8%ae%be%e8%ae%a1%e5%bf%85%e7%9f%a5%ef%bc%9a%e5%9c%b0%e7%ba%bf%e5%b9%b2%e6%89%b0%e7%9a%84%e5%85%b1%e9%98%bb%e5%b9%b2%e6%89%b0%e6%b7%b1%e5%ba%a6%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.paiqinano.com\/?p=20194","title":{"rendered":"pcb\u7535\u8def\u677f\u8bbe\u8ba1\u5fc5\u77e5\uff1a\u5730\u7ebf\u5e72\u6270\u7684\u5171\u963b\u5e72\u6270\u6df1\u5ea6\u8be6\u89e3"},"content":{"rendered":"

\n\t\u63a5\u5730\u7ebf\u5f71\u54cd\u7684\u5171\u963b\u5f71\u54cd<\/p>\n

\n\t1\u3001\u6587\u4e2d\u7acb\u8db3\u70b9<\/p>\n

\n\t\u6587\u4e2d\u6839\u636e\u566a\u97f3\u9020\u6210\u7684\u57fa\u672c\u539f\u7406\uff0c \u8fdb\u4e00\u6b65\u9610\u8ff0\u7b80\u6613\u800c\u9002\u7528\u7684\u8fd0\u7528\uff1a\u6570\u5b66\u6a21\u578b\u6df7\u548c\u58f0\u9891<\/u>\u7cfb\u7edf\u8f6f\u4ef6\u4e2d\u975e\u5e38\u7b80\u5355\u7684\u907f\u5f00\u5730\u566a\u97f3\u65b9\u5f0f\u2014\u2014 \u201c\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u201d\u3002\u8ba9\u9605\u8bfb\u8005<\/u>\u641e\u6e05\u695a\u201c\u4e3a\u4f55\u8981\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u201d \u3002\u671f\u5f85\u9605\u8bfb\u8005\u4e3b\u8981\u6b63\u786e\u8ba4\u8bc6\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u7684\u57fa\u672c\u539f\u7406\uff0c\u8fdb\u800c\u53d6\u81ea\u3001\u8425\u9500\u63a8\u5e7f\u5230\u522b\u7684\u5730\u533a\uff0c\u800c\u4e0d\u662f\u7b80\u6613\u5730\u8bb0\u7262\u6587\u4e2d\u4e2d\u6240\u63d0\u53ca\u7684\u4e8b\u4f8b\u3002<\/p>\n

\n\t2\u3001\u6587\u4e2d\u53ef\u7528\u7684\u9605\u8bfb\u8005<\/p>\n

\n\t\u201c\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u201d\u662f\u4e0d\u662f\u6709\u673a\u7f18\u5de7\u5408\u7684\u89c9\u5f97\uff1f<\/p>\n

\n\t\u5018\u82e5\u4f60\u5982\u4eca\u7684\u5177\u4f53\u60c5\u51b5\u662f\u201c\u542c\u95fb\u8fc7\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\uff0c \u53ef\u662f\u4e0d\u6e05\u695a\u5b9e\u9645\u5e94\u5f53\u600e\u6837\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\uff1b\u6216\u662f\u5927\u6982\u4e86\u89e3\u600e\u6837\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\uff0c\u53ef\u662f\u5e76\u4e0d\u6e05\u6670\u5730\u4e86\u89e3\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u7684\u57fa\u672c\u539f\u7406\u201d \u3002\u90a3\u9ebc\u5f88\u597d\u8fd0\uff0c\u6587\u4e2d\u7ed9\u4f60\u800c\u5199\uff01<\/p>\n

\n\t3\u3001\u5171\u963b\u5f71\u54cd\u5b58\u6709\u7684\u591a\u79cd\u65b9\u5f0f<\/p>\n

\n\t\u6587\u4e2d\u5173\u952e\u662f\uff1a\u53d9\u8ff0\u4e86\u5171\u963b\u5f71\u54cd\u7684\u51e0\u7c7b\u666e\u904d\u65b9\u5f0f\uff0c\u4f1a\u9020\u6210\u51e0\u7c7b\u7d93\u5178\u4e0d\u826f\u5f71\u54cd\uff1a\u5f71\u54cd\u4f1a\u88ab\u53d8\u5927\u540e\u5bfc\u51fa\u3001\u5f71\u54cd\u88ab\u635f\u8017\u540e\u5bfc\u51fa\u3001\u5f71\u54cd\u88ab\u539f\u5c01\u4e0d\u52a8\u5730\u5bfc\u51fa\u7b49\u3002<\/p>\n

\n\t\uff08\u63a5\u5730\u7ebf\uff09\u5171\u963b\u5f71\u54cd\u5b58\u6709\u7684\u76f4\u63a5\u539f\u56e0\u662f\uff1a \uff08\u5730\uff09\u8f93\u7535\u7ebf\u5b58\u6709\u7279\u6027\u963b\u6297<\/u>\uff0c\u4e14\u5f71\u54cd\u4e0e\u88ab\u7535\u78c1\u5e72\u6270\u6709\u4e00\u540c\u7684\u6570\u636e\u4fe1\u53f7\u63a7\u5236\u56de\u8def\u3002<\/p>\n

\n\t3.1\u3001\u5171\u963b\u5f71\u54cd\u7684\u591a\u79cd\u65b9\u5f0f<\/p>\n

\n\t3.1.1\u3001\u5f7b\u5e95\u6c92\u6709\u5171\u963b\u566a\u97f3<\/p>\n

\n\t\u7406\u60f3\u5316\u60c5\u51b5\uff0c\u8f93\u7535\u7ebf\u65e0\u7279\u6027\u963b\u6297\u3001\u904d\u5e03\u4e3b\u8981\u53c2\u6570\uff0c\u672a\u627e\u5230\u566a\u97f3\u3002Av-nios<\/u>e = 0 \uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u5982\u4e0b\u56fe3.1-1\uff0c\u7406\u60f3\u5316\u72b6\u51b5\u4e0b\uff0c Vout = 100*Vin\uff0c\u5bfc\u51fa\u6c92\u6709\u566a\u97f3\u3002<\/p>\n

\n\t3.1.2\u3001\u5171\u963b\u566a\u97f3\u6700\u69fd\u7cd5\u7684\u60c5\u51b5<\/p>\n

\n\t\u6700\u574f\u7684\u8d70\u7ebf<\/u>\u72b6\u51b5\uff0c\u566a\u97f3\u4f1a\u88ab\u201c\u7ffb\u500d\u53d8\u5927\u201d \u3002Av-niose >> 1 \uff1a<\/p>\n

\n\t<\/p>\n

\n\t3.1-2<\/p>\n

\n\t\u5982\u4e0b\u56fe3.1-2\uff0c\u56e0\u4e3aAB\u70b9\u5728PCB\u677f\u4e0a\u662f\u4e00\u6bb5\u94dc\u6cca\uff0c \u96be\u4ee5\u907f\u514d\u5b58\u6709\u7279\u6027\u963b\u6297\uff08\u5c3d\u7ba1\u94dc\u7684\u7535\u963b\u5668<\/u>\u7387\u5f88\u5c0f\uff09\uff0c\u5047\u5b9a\u5176\u7279\u6027\u963b\u6297\u4e3aR5\u3002\u4eff\u771f\u6a21\u62df\u952e\u5165\u4fe1\u606f\u7684\u63a7\u5236\u56de\u8def\u901a\u8fc7A\u2014\u2014B\u6bb5\uff0c\u5f53\u6709\u6570\u636e\u7535\u6d41\u91cfI1_niose \u5730\u63a7\u5236\u56de\u8def\u6d41\u8fc7A\u2014\u2014B\u70b9\u65f6\uff0c R5\u5373\u662f\u8109\u51b2\u4fe1\u53f7\u7684\u6d41\u56de\u5730\u7535\u963b\u5668\uff0c\u4e5f\u662f\u6570\u5b57\u7535\u8def\u8bbe\u8ba1<\/u>\u6570\u636e\u4fe1\u53f7\u7684\u6d41\u56de\u5730\u7535\u963b\u5668\uff0c\u8fd9\u4e00\u8f93\u7535\u7ebf\u7535\u963b\u5668\u7531\u4eff\u771f\u6a21\u62df\u3001\u6570\u636e\u201c\u5206\u4eab\u201d \uff0c\u6545\u79f0\u4e4b\u4e3a\u5171\u963b\u3002\u800c\u6a21\u62df\u4fe1\u53f7\u901a\u8fc7R5\u4f1a\u9020\u6210V1_niose\uff0c\u8fd9\u4e00V1_niose\u5de5\u4f5c\u7535\u538b\u53ef\u80fd\u7d2f\u52a0\u5728\u6574\u6d01\u7684\u4eff\u771f\u6a21\u62df\u952e\u5165\u6570\u636e\u4fe1\u53f7\u4e0a\uff0c\u5bfc\u81f4\u952e\u5165\u4fe1\u606f\u7684\u73af\u5883\u6c61\u67d3<\/u>\uff08\u5f71\u54cd\uff09 \uff0c\u6545\u628a\u8fd9\u7c7b\u2014\u2014 \u7531\u4e8e\u6709\u4e00\u540c\u6d41\u56de\u9014\u5f84\u800c\u53d1\u751f\u7684\u5f71\u54cd\u72b6\u51b5\u53eb\u201c\u5171\u963b\u5f71\u54cd\u201d \u3002<\/p>\n

\n\t\u56e0\u4e3a\u8be5\u7535\u6e90\u7535\u8def<\/u>\u53d8\u5927\u7684\u662fBF\u7aef\u5de5\u4f5c\u7535\u538b\u3002\uff08\u800c\u4e0d\u4ec5\u662fAF\u7aef\uff0c\u5047\u5982\u641e\u4e0d\u61c2\u8fd9\u4e00\u70b9\uff0c\u52a1\u5fc5\u91cd\u5b66\u529f\u653e\u673a\uff01\uff09\u56e0\u6b64Vout=\uff08Vin V1_niose\uff09*100\uff0c\u5728\u5176\u4e2d\u5bfc\u51fa\u566a\u97f3\u4e00\u90e8\u5206\u7684\u8baf\u53f7\u662fV1_niose*100\uff01\u2014\u2014\u7531\u6b64\u53ef\u89c1\uff0c\u566a\u97f3\u88ab\u7ffb\u500d\u53d8\u5927\u4e86\uff01\uff01\uff01\u8fd9\u4e5f\u662f\u5171\u963b\u566a\u97f3\u66f4\u4e3a\u660e\u663e\u7684\u4e00\u79cd\u60c5\u51b5\uff01<\/p>\n

\n\t\u7ecf\u9a8c\u6027\u72b6\u51b5\u8868\u8ff0\uff1a\u6709\u4eba\u8bf4\uff1a\u94dc\u7684\u7535\u963b\u7387\u90a3\u4e48\u4f4e\uff0c\u5373\u4f7fV1_niose \u53d8\u5927\u4e00\u767e\u500d\u4e5f\u542c\u4e0d\u89c1\uff0c\u7531\u4e8e\u7528\u6570\u5b57\u793a\u6ce2\u5668<\/u>\u538b\u6839\u6c92\u6709\u89c1\u5230\u566a\u97f3\u7684\u5b58\u6709\uff01\u5e76\u4e14\u6570\u636e\u566a\u97f3\u4e00\u822c\u6ca1\u670920\u2014\u2014 20KHz\u4eba\u8033\u80fd\u53ef\u542c\u5230\u8303\u7574\uff01<\/p>\n

\n\t\u8fd9\u4e00\u89c2\u70b9\u4eff\u4f5b\u6709\u4e9b\u9053\u7406\uff0c\u53ef\u662f\u5177\u4f53\u548c\u57fa\u7840\u7406\u8bba\u5168\u662f\u9519\u8bef\u7684\u3002\u7f18\u6545\u5982\u4e0b\u6240\u793a\uff1a \uff081\uff09\u4eba\u8033\u6735\u91cc\u9762\u5728\u6e05\u9759\u81ea\u7136\u73af\u5883\u4e2d\uff0c \u6839\u636e\u624b\u673a\u8033\u673a\uff0c\u5927\u5bb6\u80fd\u660e\u767d\u5730\u542c\u89c1\u6beb\u4f0f\u7ea7\uff08\u51e0\u6beb\u4f0f\uff09\u7684\u8bed\u97f3\u566a\u97f3\u6570\u636e\u4fe1\u53f7\uff0c\u800c\u4e00\u822c\u6570\u5b57\u793a\u6ce2\u5668\u4e00\u822c\u6ca1\u6cd5\u6355\u83b7\u90a3\u4e48\u8584\u5f31\u7684\u6ce2\u578b\u3002\u7531\u4e8e\u4e00\u822c\u7684\u6570\u5b57\u793a\u6ce2\u5668\u63a5\u597d\u6444\u50cf\u5934\u540e\u8868\u660e\u5728\u663e\u793a\u5c4f\u5e55\u4e0a\u7684\u566a\u97f3\u8109\u51b2\u4fe1\u53f7\u670920mV \u4e0a\u4e0b\uff0c\u5341\u5206\u4ef7\u683c\u6602\u8d35\u7684\u6570\u5b57\u793a\u6ce2\u5668\u5728\u62d4\u51fa\u6444\u50cf\u5934\u7684\u60c5\u5f62\u4e0b\uff0c\u8868\u660e\u5728\u663e\u793a\u5c4f\u5e55\u4e0a\u7684\u5e95\u566a\u624d\u5f88\u6709\u53ef\u80fd\u4f4e\u4e8e1mV\u3002\u56e0\u6b64\u4eba\u8033\u6735\u91cc\u9762\u80fd\u542c\u89c1\u566a\u97f3\u53ef\u662f\u6570\u5b57\u793a\u6ce2\u5668\u770b\u4e0d\u89c1\uff0c\u8fd9\u5f88\u4e00\u5207\u6b63\u5e38\u3002\uff082\uff09\u5373\u4f7f\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u81ea\u8eab\u8f93\u51fa\u529f\u7387\u8fdc\u8fdc\u8d85\u8fc720KHz\uff0c\u4f46MCU<\/u>\u5167\u90e8\u63a7\u5236\u6a21\u5757\u95f4\u7684\u8fd0\u884c\u5173\u6389\u59ff\u52bf\u7684\u5de5\u4f5c\u9891\u7387\u6709\u53ef\u80fd\u843d\u5728\u58f0\u9891\u8303\u7574\u3002\u5e76\u4e14\uff0c\u5373\u4f7f\u8d85\u8fc720KHz\u7684\u6a21\u62df\u4fe1\u53f7\uff0c\u901a\u8fc7\u8f93\u7535\u7ebf\u7684\u904d\u5e03\u7535\u611f\u5668<\/u>\u4e0e\u904d\u5e03\u7535\u5bb9\u5668<\/u>\u201c\u8fc7\u6ee4\u201d\u540e\uff0c\u4ea7\u751fV1_niose \u5c06\u843d\u5728\u58f0\u9891\u8303\u7574\u3002\u8fd9\u4e5f\u662f\u5927\u5bb6\u80fd\u542c\u89c1\u6570\u636e\u566a\u97f3\u7684\u7f18\u6545\u3002<\/p>\n

\n\t3.1.3\u3001\u5171\u963b\u566a\u97f31:1 \u53d8\u5927\u5bfc\u51fa<\/p>\n

\n\t\u5f71\u54cd\u4e0d\u88ab\u53d8\u5927\u3001\u7acb\u5373\u5c55\u73b0\u5728\u5bfc\u51fa\u7aef\u3002Av-niose = 1\uff1a<\/p>\n

\n\t<\/p>\n

\n\t3.1-3<\/p>\n

\n\t\u5982\u4e0b\u56fe\uff0c\u82e5\u6570\u636e\u566a\u97f3\u53ea\u7a7f\u8fc7R8\uff0c\u90a3\u9ebcVout=Vin*100 V2_niose\uff0c\u5b58\u6709\u6570\u636e\u566a\u97f3\uff0c\u53ef\u662f\u566a\u97f3\u6c92\u6709\u88ab\u53d8\u5927\uff0c \u56e0\u6b64\u4e00\u822c\u72b6\u51b5\u4e0b\uff0c \u6570\u636e\u566a\u97f3\u4e0d\u663e\u8457\uff0c \u4ec5\u4ec5\u662f\u5728\u5b89\u5b89\u9759\u9759\u7684\u6761\u4ef6\u4e2d\u5f88\u6709\u53ef\u80fd\u53ef\u4ee5\u542c\u83b7\u5f97\u3002<\/p>\n

\n\t3.1.4\u3001\u5171\u963b\u5f71\u54cd\u88ab\u635f\u8017\u540e\u5bfc\u51fa<\/p>\n

\n\t\u5f71\u54cd\u4f1a\u88ab\u529f\u653e\u5668\u4ef6\u6291\u6b62\uff0c Av-niose << 1 \uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u5982\u4e0b\u56fe\uff0c\u5018\u82e5\u5728\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u7aef\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u3002\u90a3\u9ebc\uff0c\u6570\u636e\u566a\u97f3V3_niose \u53ef\u4ee5\u7acb\u5373\u6d41\u56de\u5230\u5f00\u5173\u7535\u6e90\uff0c\u5e76\u6c92\u6709\u6d41\u8fc7\u529f\u653e\u673a\u5730\u533a\uff0c \uff08\u5b9e\u9645\u4e0a\u7ec6\u7a76\u8d77\u4f86\uff0c\u6216\u662f\u6709\u5341\u5206\u5fae\u5c0f\u7684\u90e8\u5206\u566a\u97f3\u6d41\u8fc7EC\u6bb5PCB<\/u>\uff0c\u5e76\u4ece\u522b\u7684\u9014\u5f84\u7ec4\u6210\u63a7\u5236\u56de\u8def\uff0c\u53ef\u662f\u8fd9\u4e00\u5371\u5bb3\u5341\u5206\u5c0f\u3002\u63a7\u5236\u56de\u8def\u9014\u5f84\u600e\u6837\u4ea7\u751f\uff1f\u4f9d\u636e\u201c\u566a\u97f3\u7684\u53d1\u6e90\u201d\u7ae0\u8282\u76ee\u5f55\u4e2d\u7684\u5167\u5bb9\uff0c\u5b9e\u9645\u4e0a\u8db3\u591f\u7406\u89e3\u51fa\u53bb\u3002\uff09\u56e0\u6b64\u4e0d\u5bb9\u6613\u5bfc\u81f4\u63a5\u5730\u7ebf\u7684\u5171\u963b\u5f71\u54cd\u566a\u97f3\u3002\u53ef\u662f\uff0c\u6709\u4e8c\u70b9\u975e\u5e38\u503c\u5f97\u62c5\u5fe7\u7684\uff1a<\/p>\n

\n\t\uff081\uff09\u5f00\u5173\u7535\u6e90\u5e76\u4e0d\u662f\u68a6\u60f3\u7684\u5f00\u5173\u7535\u6e90\uff0c\u4f1a\u5b58\u6709\u201c\u5185\u7535\u963b\u201d \uff0c\u56e0\u6b64\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u4f1a\u6839\u636e\u201c\u5f71\u54cd\u516c\u5171\u6027\u7684\u5f00\u5173\u7535\u6e90\u8fdb\u800c\u5f71\u54cd\u529f\u653e\u673a\u201d \u2014\u2014\u5e78\u8fd0\u7684\u662f\uff0c \u8fd9\u4e00\u5f71\u54cd\u5341\u5206\u5c0f\uff0c \u4e00\u822c\u72b6\u51b5\u4e0b\u90fd\u4e0d\u5bb9\u6613\u9020\u6210\u7cfb\u7edf\u8f6f\u4ef6\u53d1\u751f\u566a\u97f3\uff0c\u7f18\u6545\u662f\uff1a\u529f\u653e\u673a\u7684\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u6bd4\u4e00\u822c\u5341\u5206\u9ad8\uff01<\/p>\n

\n\t\uff082\uff09C\u4e0eE\u4e2d\u95f4\u4e00\u6837\u662f\u94dc\u6cca\uff0c\u4e8b\u5b9e\u4e0a\u4e5f\u5b58\u6709\u5185\u7535\u963b\uff01\u8fd9\u4e00\u6bb5\u63a5\u5730\u7ebf\u4e5f\u4f1a\u9020\u6210\u5171\u963b\u5f71\u54cd\u3002\u53ef\u662f\uff0c\u4e8b\u5b9e\u4e0a\u9009\u7528\u8fd9\u7c7b\u8d70\u7ebf\u65b9\u6cd5\u4e5f\u4e0d\u4f1a\u53d1\u751f\u5f71\u54cd\u95ee\u9898\uff0c\u7f18\u6545\u662f\uff1a\u4e00\u3001\u5176\u7279\u6027\u963b\u6297\u9020\u6210\u7684\u5f71\u54cd\u7b49\u540c\u4e8e\u5f00\u5173\u7535\u6e90\u98a4\u52a8\u7684\u5f71\u54cd\uff0c \u800c\u529f\u653e\u673a\u6709\u4e00\u5b9a\u7684\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\uff08\u8fd9\u4e2a\u662f\u5730\u8c10\u6ce2\u5931\u771f\u6291\u6b62\uff0c \u5177\u4f53\u68c0\u6d4b<\/u>\u8fc7\u7684\u4e00\u4e9b\u96c6\u6210ic\uff0c \u5168\u662f\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u6bd4\u5730\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u597d\uff0c\u8fd9\u9700\u8981\u4e0eBypass\u7535\u6e90\u7535\u8def\u76f8\u5173\uff0c\u6709\u5174\u8da3\u7231\u597d\u8005\u53ef\u4ee5\u7ec6\u7a76\uff09 \u3002\u4e8c\u3001\u8fd9\u4e00\u5f71\u54cd\u4e00\u822c\u662f\u54cd\u58f0\u592a\u5927\u65f6\u5f71\u54cd\u624d\u8f83\u4e3a\u5927\uff0c\u53ef\u662f\u58f0\u97f3\u5927\u540e\uff0c\u566a\u97f3\u4f1a\u88ab\u6b4c\u66f2\u201c\u906e\u4f4f\u201d \uff0c\u56e0\u6b64\u4eba\u4f53\u4f1a\u4e0d\u4e0a\u566a\u97f3\u7684\u5b58\u6709\u3002<\/p>\n

\n\t3.1.5\u3001\u5728\u7535\u8def\u677f\u4e0a\u4e0d\u5bb9\u6613\u5b58\u6709\u5730\u566a\u97f3<\/p>\n

\n\t\u5982\u4e0b\u56fe3.1-5\uff0c\u5145\u7535\u7535\u6c60<\/u>\u3001\u6570\u636e\u5730\u3001\u4eff\u771f\u6a21\u62df\u5730\u7684\u70b9\u5c04\u63a5\u5730\u5740\u90fd\u63a5\u5728C\u3001E\u70b9\u7684\u91cd\u53e0\u5904\u3002\u90a3\u6837\u63a5\u5730\u88c5\u7f6e\uff0c\u5728\u7535\u8def\u677f\u4e0a\u4e0d\u5bb9\u6613\u53d1\u751f\u566a\u97f3\uff0c Av-niose=0 \u3002\uff08\u53ef\u662f\uff0c\u5145\u7535\u7535\u6c60\u63a5\u597d\u540e\uff0c\u4e00\u6837\u4f1a\u9020\u6210\u201c 3.1.4\u201d\u7684\u76f8\u8fd1\u72b6\u51b5\uff0c\u7531\u4e8e\u6bcf\u4e00\u4e2a\u5f00\u5173\u7535\u6e90\u90fd\u662f\u6709\u5185\u7535\u963b\u3002\u8fd9\u4e00\u9605\u8bfb\u8005\u81ea\u4e3b\u642d\u5efa\u5b9e\u4f53\u6a21\u578b\u5256\u6790\uff01\uff09<\/p>\n

\n\t\u4e0d\u7ba1\u600e\u6837\uff0c \u9488\u5bf9\u56fe\u5185\u7684\u7535\u6e90\u7535\u8def\uff0c \u8fd9\u65e9\u5df2\u662f\u8f83\u597d\u7684\u63a5\u5730\u88c5\u7f6e\u65b9\u6cd5\u4e86\uff01 \u5e76\u4e14\u8fd9\u7c7b\u63a5\u5730\u88c5\u7f6e\u65b9\u6cd5\u4ece\u6ca1\u4ea7\u751f\u8fc7\u566a\u97f3\uff01<\/p>\n

\n\t<\/p>\n

\n\t3.2\u3001\u654f\u611f\u533a\u57df\u4e0e\u4e0d\u654f\u611f\u533a\u57df<\/p>\n

\n\t\u75313.1 \u7684\u5167\u5bb9\u4e86\u89e3\uff0c PCB\u5e03\u7ebf<\/u>\u4e0d\u5408\u7406\uff0c\u566a\u97f3\u4f1a\u88ab\u201c\u52a0\u500d\u53d8\u5927\u201d \u3001\u6216\u4f1a\u88ab\u201c 1 \u500d\u53d8\u5927\u201d\u3002\u9020\u6210\u8fd9\u7c7b\u60c5\u51b5\u8868\u660e\uff1a\u9488\u5bf9\u97f3\u9891\u529f\u653e\u8fd0\u7b97\u653e\u5927\u5668\uff0c PCB\u4e0a\u5b58\u6709\u201c\u5730\u566a\u97f3\u654f\u611f\u533a\u57df\u548c\u4e0d\u654f\u611f\u533a\u57df\u201d\uff08\u6362\u53e5\u8bdd\u8bf4\u662f\u6bd4\u8f83\u654f\u611f\u6bb5\uff09 \u3002<\/p>\n

\n\t3.2.1\u3001\u5730\u566a\u97f3\u6bd4\u8f83\u654f\u611f\u6bb5PCB<\/p>\n

\n\t\u56fe3.1-2 \u7684AB\u6bb5\u7684\u566a\u97f3\u4f1a\u88ab\u52a0\u500d\u53d8\u5927\uff0c \u56e0\u6b64AB\u6bb5\u662f\u201c\u5730\u566a\u97f3\u6bd4\u8f83\u654f\u611f\u6bb5PCB\u201d\uff0c\u901a\u8fc7\u6bd4\u8f83\u654f\u611f\u6bb5PCB\u7684\u6570\u636e\u5730\u566a\u97f3\u53ef\u80fd\u88ab\u201c\u7ffb\u500d\u53d8\u5927\u201d\u540e\u5bfc\u51fa\u3002<\/p>\n

\n\t\u5f80\u5f80\u4f1a\u88ab\u7ffb\u500d\u53d8\u5927\uff0c\u662f\u7531\u4e8e\u566a\u97f3\u6570\u636e\u4fe1\u53f7\u901a\u8fc7\u529f\u653e\u673a\u7684\u524d\u9762\u8fd0\u7b97\u653e\u5927\u5668\u7684\u5730\u6d41\u56de\uff0c\u8fd9\u4e00\u6bb5PCB\u76f8\u5339\u914d\u4e8e\u5177\u4f53\u8fd0\u7528\u4e2d\u7684\u8bb8\u591a\u529f\u653e\u673a\u7684\u201c Bypass\u7535\u5bb9\u5668\u63a5\u5730\u5740\uff08\u5982\u4e0b\u56fe3.1-2 \u4e2dB\u70b9\uff09\u4e0e\u8f93\u51fa\u529f\u7387\u5730\uff08\u5982\u4e0b\u56fe3.1-2 \u4e2dC\u70b9\uff09\u4e2d\u95f4\u7684PCB\u201d\u3002\u4e5f\u5c31\u662f\uff1a BC\u95f4\u7684PCB\u8fde\u5e03\u7ebf\u5f88\u6709\u53ef\u80fd\u53d8\u6210\u5730\u566a\u97f3\u6bd4\u8f83\u654f\u611f\u6bb5PCB\u3002<\/p>\n

\n\t3.2.2\u3001\u5730\u566a\u97f3\u4e0d\u6bd4\u8f83\u654f\u611f\u6bb5PCB<\/p>\n

\n\t\u56fe3.1-3 \u7684CD\u6bb5\u662f\u5730\u4e0d\u6bd4\u8f83\u654f\u611f\u6bb5PCB\uff0c\u7531\u4e8e\u901a\u8fc7\u8fd9\u4e00\u6bb5PCB\u7684\u566a\u97f3\u53d8\u5927\u500d\u7387\u662f1\uff0c\u566a\u97f3\u4e0d\u5bb9\u6613\u88ab\u7ffb\u500d\u53d8\u5927\u3002\u5176\u6839\u672c\u539f\u56e0\u53d6\u51b3\u4e8e\u5730\u566a\u97f3\u6ca1\u901a\u8fc7\u529f\u653e\u673a\u7684\u524d\u9762\u53d8\u5927\u5730\u533a\uff0c\u56e0\u6b64\u566a\u97f3\u6570\u636e\u4fe1\u53f7\u53ea\u80fd\u539f\u5c01\u4e0d\u52a8\u5730\u5728\u97f3\u54cd\u5587\u53ed\u7aef\u5bfc\u51fa\u3002<\/p>\n

\n\t4\u3001\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e<\/p>\n

\n\t\u8fd9\u8282\u5173\u952e\uff1a\u7b2c3 \u8282\u5171\u963b\u5f71\u54cd\u7684\u5404\u79cd\u5404\u6837\u5b9e\u4f8b\u4e2d\uff0c\u5b58\u6709\u5730\u566a\u97f3\u5f88\u6709\u53ef\u80fd\u4f1a\u6d41\u8fc7\u201c\u6bd4\u8f83\u654f\u611f<\/p>\n

\n\t\u6bb5PCB\u201d\u8fd9\u4e00\u72b6\u51b5\u3002\u56e0\u6b64\u4e3a\u4e86\u66f4\u597d\u5730\u8f83\u5927\u5730\u51cf\u5c11\u5730\u566a\u97f3\uff0c\u8981\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\uff0c\u8ba9\u566a\u97f3\u4e0d\u5fc5\u901a\u8fc7\u6bd4\u8f83\u654f\u611f\u6bb5PCB\u3002<\/p>\n

\n\t4.1\u3001\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u4e0e\u201c\u6bd4\u8f83\u654f\u611f\u6570\u636e\u4fe1\u53f7\u6bb5\u201d\u7684\u8054\u7edc<\/p>\n

\n\t\u4ed4\u7ec6\u7684\u7528\u6237\u90fd\u53d1\u89c9\uff0c \u7b2c\u4e09\u8282\u65e9\u5df2\u5b58\u6709\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u3002\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u4e0d\u53ef\u5355\u7eaf\u6027\u4e86\u89e3\u4e3a\uff1a\u5728PCB\u4e0a\u6709\u4e00\u4e2a\u7269\u7406\u5b66\u7684\u63a5\u5730\u5740\uff1b\u800c\u5e94\u5f53\u89e3\u91ca\u4e3a\uff1a\u5728PCB\u4e0a\u6709\u4e00\u4e2a\u63a5\u5730\u5740\uff0c\u5e76\u4e14\u4e0d\u4e00\u6837\u7279\u6027\u7684\u5730\u6d41\u56de\u6570\u636e\u4fe1\u53f7\uff08\u4f8b\u5982\u4eff\u771f\u6a21\u62df\u6d41\u56de\u548c\u6570\u636e\u6d41\u56de\uff09 \u4e0d\u5bb9\u6613\u5b58\u6709\u8fd9\u4e00\u63a5\u5730\u5740\u4e4b\u5916\u7684\u201c\u516c\u5171\u6027\u9014\u5f84\u201d\uff08\u516c\u5171\u6027\u9014\u5f84\u2014\u2014 \u5373\u63a5\u5730\u7ebf\u4e0a\u6570\u636e\u4e0e\u4eff\u771f\u6a21\u62df\u516c\u6709\u5236\u7684PCB\u7535\u963b\u5668\u201c R5\u201d\uff0c\u524d\u8fb9\u65e9\u5df2\u8868\u8ff0\u8fc7\uff09\u3002<\/p>\n

\n\t\u56fe\u201c 3.1.4 \u548c3.1.5\u201d\u5b9e\u9645\u4e0a\u4fbf\u662f\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u7684\u72b6\u51b5\uff0c\u56e0\u6b64\u8fd9\u91cc\u4e0d\u4f1a\u518d\u8d58\u8a00\u3002\u8fd9\u8282\u5173\u952e\u5199\uff1a\u5982\u4f55\u53bb\u771f\u771f\u6b63\u6b63\u4e86\u89e3\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u3002<\/p>\n

\n\t4.2\u3001\u5982\u4f55\u53bb\u4e86\u89e3\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e<\/p>\n

\n\t\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u7684\u89c2\u5ff5\uff0c\u5728\u300a\u5370\u5237\u7535\u8def\u677f\u6392\u7248\u8bbe\u8ba1\u300b\u6709\u5f88\u8be6\u5c3d\u7684\u89e3\u8bfb\u3002\u5f88\u8001\u7684\u4e66\uff0c\u52a0\u5de5\u5de5\u827a\u5f88\u6709\u53ef\u80fd\u548c\u5982\u4eca\u4e0d\u4e00\u6837\uff0c \u4f46\u5176\u8bbe\u8ba1\u65b9\u6848\u89c2\u5ff5\u4e0d\u4f1a\u6539\u53d8\uff01 \u5e76\u4e14\uff0c\u521b\u4f5c\u8005<\/u>\u89c9\u5f97\u8fd9\u4e5f\u662f\u56fd\u5185\u7f55\u89c1\u7684\u5e76\u4e0d\u662f\u201c Ctrl C\u201d\u548c\u201c Ctrl V\u201d\u7684\u4e66\u3002\u90d1\u8bd7\u536b\u5199\u7684\uff0c\u611f\u6fc0\u90d1\u8001\u4e00\u8f88\uff01<\/p>\n

\n\t4.2.1\u3001\u4e86\u89e3\u57fa\u672c\u539f\u7406\u7684\u5fc5\u8981\u6027\uff08\u7ecf\u9a8c\u6027\u7a7a\u8bdd\uff09<\/p>\n

\n\t\u5e73\u5e38\u5927\u5bb6\u65f6\u5e38\u4f1a\u542c\u89c1\u201c\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u201d\u8fd9\u4e2a\u8bcd\uff0c\u5f88\u591a\u4eba\u8bf4\u201c\u9664\u6389\u6570\u5b66\u6a21\u578b\u6df7\u548c\u7535\u6e90\u7535\u8def\u566a\u97f3\u7684\u6700\u5389\u5bb3\u7684\u6b66\u5668\u4fbf\u662f\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u201d \u3002\u53ef\u662f\u67d0\u65e5\u6709\u4e00\u4e2a\u978b\u7ae5\u6cea\u5982\u96e8\u4e0b\u7684\u5954\u56de\u6765\u54c0\u568e\uff1a\u6211\u5df2\u7ecf\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u4e86\uff0c\u4f46\u662f\u566a\u97f3\u5c1a\u5728\u00b7 \u00b7\u00b7\u00b7\u00b7\u00b7<\/p>\n

\n\t\u4f55\u56e0\uff1f<\/p>\n

\n\t\u989d\uff01\u54e5\uff01\u5e76\u4e0d\u662f\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u5c31\u53ef\u4ee5\u9664\u6389\u566a\u97f3\uff0c\u53cd\u800c\u662f\u8981\u201c\u6070\u5f53\u7684\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u201d\u624d\u53ef\u4ee5\u9664\u6389\u566a\u97f3\u3002\u6070\u5f53\u7684\u6570\u636e\u3001\u4eff\u771f\u6a21\u62df\u524d\u9762\u3001\u5145\u7535\u7535\u6c60\u3001\u8f93\u51fa\u529f\u7387\u5730\u7684\u70b9\u5c04\u63a5\u5730\u5740\u662f\uff1a\u529f\u653e\u673a\u7684\u8f93\u51fa\u529f\u7387\u5730\u7ba1\u811a\uff08\u6216\u662f\u8f93\u51fa\u529f\u7387\u5730\u3001\u529f\u653e\u673a\u5f00\u5173\u7535\u6e90\u7684\u53bb\u8026\u7535\u5bb9\u7ba1\u811a\u3002\uff09<\/p>\n

\n\t\u6bd4\u5982\uff0c\u6211\u4eec\u5728\u8bbe\u8ba1\u65b9\u6848\u4e00\u4e2a\u786e\u5b9e\u7684\u8bbe\u5907\u65f6\uff0c \u5b58\u6709\u8bb8\u591a\u76f8\u4e92\u72ec\u7acb\u4e0d\u80fd\u517c\u987e\u7684\u201c\u8d70\u7ebf\u5b9a\u5f8b\u201d\u65f6\uff0c\u5927\u5bb6\u600e\u6837\u9009\u62e9\uff1f \u5230\u5e95\u662f\u8ba9\u8fd9\u4e00\u7535\u6e90\u7535\u8def\u5408\u4e4eA \u89c4\u5f8b\u3001\u820d\u5f03B \u89c4\u5f8b\u597d\u5462\uff0c\u6216\u662f\u5408\u4e4eB\u89c4\u5f8b\u3001\u820d\u5f03A \u89c4\u5f8b\u597d\u5462\uff1f \u8981\u505a\u6070\u5f53\u4f5c\u51fa\u8fd9\u7c7b\u5206\u8fa8\uff0c\u5c31\u89c4\u5b9a\u5927\u5bb6\u6e05\u6670\uff1a\u4ec0\u4e48\u53eb\u5371\u5bb3\u8f83\u5927\u7684\u3001\u800c\u4ec0\u4e48\u7684\u5f71\u54cd\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u7684\u3002<\/p>\n

\n\t\u56e0\u6b64\uff0c\u9664\u5f00\u5b9e\u8df5\u6d3b\u52a8\uff0c\u8fd8\u5f97\u6700\u540e\u638c\u63e1\u5176\u57fa\u672c\u539f\u7406\u3002<\/p>\n

\n\t4.2.2\u3001\u4f8b\u8bf4\uff1a\u638c\u63e1\u6bd4\u8f83\u654f\u611f\u6570\u636e\u4fe1\u53f7\u533a\u7684\u65b9\u5f0f<\/p>\n

\n\t\u5e94\u7528\u524d\u60f3\u8bc4\u5b9a\u67d0\u4e00\u7279\u6b8a\u96c6\u6210ic\u6709\u4ec0\u4e48\u7279\u70b9\uff0c\u5fc5\u987b\u4e00\u5b9a\u7684\u57fa\u7840\u7406\u8bba \u6280\u672f\u4e13\u4e1a\u57fa\u672c\u5e38\u8bc6\uff0c\u63a8\u6d4b\u96c6\u6210ic\u5167\u90e8\u7684\u7ed3\u6784\uff0c\u8fdb\u800c\u53ef\u4ee5\u5206\u8fa8\u201c\u4ec0\u4e48\u662f\u6570\u636e\u4fe1\u53f7\u654f\u611f\u533a\u57df\uff0c\u4ec0\u4e48\u5e76\u4e0d\u662f\u654f\u611f\u533a\u57df\u201d \u3002<\/p>\n

\n\t\u4ee5\u529f\u653e\u673a\u4e3a\u4f8b\u5b50\uff0c\u73b0\u9636\u6bb5\u7edd\u5927\u90e8\u5206AB\u7c7b\u97f3\u9891\u529f\u653e\u5167\u90e8\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\u3002\u524d\u9762\u4e3a\u5de5\u4f5c\u7535\u538b\u53d8\u5927\uff0c\u7b49\u540c\u4e8e\u653e\u5927\u7535\u8def\uff0c\u4e00\u822c\u7531\u504f\u7f6e\u7535\u6e90\u7535\u8def\u4e0e\u5171\u5c04\u8fd0\u7b97\u653e\u5927\u5668\u6784\u6210\uff0c\u8be5\u533a\u57df\u4f5c\u7528\u662f\uff1a\u5bf9\u952e\u5165\u7684\u6570\u636e\u4fe1\u53f7\uff08\u5305\u542b\u566a\u97f3\uff09\u5f00\u5c55\u5de5\u4f5c\u7535\u538b\u53d8\u5927\u3002\u800c\u540e\u7ea7\u4e3a\u5c04\u6781\u8ffd\u968f\u7535\u6e90\u7535\u8def\uff0c\u4e00\u822c\u5de5\u4f5c\u7535\u538b\u53d8\u5927\u500d\u7387\u4e3a1\uff08\u6c92\u6709\u5de5\u4f5c\u7535\u538b\u53d8\u5927\u5de5\u4f5c\u80fd\u529b\uff09 \uff0c\u4ec5\u4ec5\u63d0\u9ad8\u4e86\u5bfc\u51fa\u7535\u6d41\u91cf<\/u>\u63a8\u52a8\u5de5\u4f5c\u80fd\u529b\u3002<\/p>\n

\n\t\u56fe\u5185\u7684\u653e\u5927\u7535\u8def\u201c \u201d\u7aef\uff0c\u901a\u5e38\u7b49\u540c\u4e8e\u529f\u653e\u673a\u7684\u201c Bypass\u201d\u7ba1\u811a\uff1b\u800cQ1\u7684\u63a5\u5730\u5740\u7684<\/p>\n

\n\t\u5730\u7b49\u540c\u4e8e\u529f\u653e\u673a\u7684\u8f93\u51fa\u529f\u7387\u5730\u7ba1\u811a\u3002Bypass\u7ba1\u811a\u901a\u5e38\u63a5\u4e00\u4e2a\u53bb\u8026\u7535\u5bb9\u5230\u5730\uff0c \u8be5\u7535\u5bb9\u5668\u7684\u5730\u5230\u529f\u653e\u673a\u7684\u8f93\u51fa\u529f\u7387\u5730\u95f4\u7684PCB\u5e03\u7ebf\u7b49\u540c\u4e8e\u56fe3.1-2 \u4e2d\u7684AC\u6bb5PCB\u3002\u5018\u82e5\u8fd9\u4e00\u6bb5PCB\u5b58\u6709\u566a\u97f3\uff0c\u90a3\u9ebc\u7b49\u540c\u4e8e\u566a\u97f3\u6df7\u5230\u4e86\u529f\u653e\u673a\u524d\u9762\u7684\u653e\u5927\u7535\u8def\uff0c\u566a\u97f3\u53ef\u80fd\u88ab\u201c\u5de8\u5927\u5730\u53d8\u5927\u201d \uff01<\/p>\n

\n\t\u8fd9\u5c31\u662f\u201c\u566a\u97f3\u6df7\u5230\u4e86\u6570\u636e\u4fe1\u53f7\u6bd4\u8f83\u654f\u611f\u6bb5PCB\u201d\u3002<\/p>\n

\n\t\u56e0\u6b64\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u7684\u6548\u679c\u662f\uff1a\u4e0d\u8bb8\u566a\u97f3\u5730\u6d41\u56de\u901a\u8fc7\u201c\u6bd4\u8f83\u654f\u611f\u6570\u636e\u4fe1\u53f7\u533a\u7684\u63a5\u5730\u7ebf\u5730\u533a\u201d \u3002<\/p>\n

\n\t<\/p>\n

\n\t5\u3001\u57fa\u7840\u7406\u8bba\u7684\u62d3\u5bbd<\/p>\n

\n\t\u8fd9\u8282\u5173\u952e\uff1a\u4ece\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u5f15\u51fa\u6765\u70b9\u5c04\u63d2\u7ebf\uff0c\u4ece\u70b9\u5c04\u63d2\u7ebf\u7684\u201c\u4e0d\u8db3\u5e7f\u6cdb\u201d\u8fd9\u4e00\u72b6\u51b5\u8ba8\u8bba\u201c\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u6bd4\u201d \u3002\u4ece\u57fa\u672c\u539f\u7406\u4e0a\u8bba\u8ff0\uff1a \u6a21\u62df\u82af\u7247\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u8f83\u4e3a\u5f3a\uff0c\u800c\u6570\u5b57\u82af\u7247\u65e0\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u3002<\/p>\n

\n\t5.1\u3001\u5373\u7136\u6709\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\uff0c\u90a3\u9ebc\u662f\u5426\u6709\u201c\u70b9\u5c04\u63d2\u7ebf\u201d\uff1f<\/p>\n

\n\t\u663e\u800c\u6613\u89c1\uff0c\u56de\u7b54\u662f\u6beb\u65e0\u7591\u95ee\u7684\u3002<\/p>\n

\n\t\u4f46\u4ee4\u4eba\u8d39\u89e3\uff1a\u4e3a\u4f55\u4e00\u76f4\u542c\u89c1\u8001\u524d\u8f88\u6ce8\u91cd\u201c\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u201d \uff0c\u5374\u975e\u5e38\u5c11\u89c1\u5230\u5979\u4eec\u6ce8\u91cd\u201c\u70b9\u5c04\u63d2\u7ebf\u201d\uff1f<\/p>\n

\n\t\u65e5\u5e38\u65e5\u5e38\u751f\u6d3b\u666e\u904d\u7684\u4e00\u4e2a\u72b6\u51b5\u662f\uff1a \u5f53\u4e00\u4e2a\u4e8b\u513f\u7ecf\u5e38\u4f1a\u51fa\u73b0\u6216\u662f\u53d1\u751f\u7684\u4e0d\u826f\u5f71\u54cd\u5341\u5206\u6bd4\u8f83\u4e25\u91cd\u65f6\uff0c\u7ecf\u5386\u8fc7\u7684\u5927\u5bb6\u5e38\u5e38\u4f1a\u628a\u5b83\u6302\u5728\u5634\u4e0a\uff0c \u6ca1\u7ecf\u5386\u8fc7\u7684\u4eba\u4e5f\u53ef\u4ee5\u5e7f\u4e3a\u4eba\u77e5\u3002\u4f46\u5f53\u95ee\u9898\u53d1\u751f\u7684\u53ef\u80fd\u6027\u4e0d\u5927\u3001\u6216\u662f\u4e0d\u826f\u5f71\u54cd\u5371\u5bb3\u5f88\u949f\u5934\uff0c\u5927\u5bb6\u5e38\u5e38\u4f1a\u628a\u5b83\u5ffd\u89c6\u6389\u3002<\/p>\n

\n\t\u4e00\u6837\uff0c\u201c\u70b9\u5c04\u63d2\u7ebf\u201d\u4e5f\u662f\u8fd9\u822c\uff0c\u5f00\u5173\u7535\u6e90\u81ea\u7136\u4f1a\u9020\u6210\u5171\u963b\u566a\u97f3\u3002\u53ef\u662f\u5728\u97f3\u9891\u529f\u653e\u4e2d\uff0c\u5176\u5371\u5bb3\u901a\u5e38\u5341\u5206\u5c0f\uff08\u7f18\u6545\u662f\u529f\u653e\u673a\u5f00\u5173\u7535\u6e90\u7684\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u6bd4\u8f83\u9ad8\uff09 \uff0c\u5373\u5728\u97f3\u54cd\u5587\u53ed\u7aef\u4e00\u822c\u542c\u4e0d\u89c1\u5f00\u5173\u7535\u6e90\u7684\u8c10\u6ce2\u5931\u771f\u566a\u97f3\uff1b\u5e76\u4e14\u5728\u5f00\u5173\u7535\u6e90\u7aef\u5171\u963b\u5f71\u54cd\u4e0d\u5bb9\u6613\u53d1\u751f\u201c\u566a\u97f3\u88ab\u52a0\u500d\u53d8\u5927\u201d\u7684\u72b6\u51b5\uff08\u7531\u4e8eBypass\u7535\u5bb9\u5668\u6536\u5230\u5730\uff0c\u800c\u4e0d\u662f\u6536\u5230\u5f00\u5173\u7535\u6e90\uff09 \u3002\u56e0\u6b64\u4e00\u822c\u60c5\u51b5\u4e0b\u5f00\u5173\u7535\u6e90\u5b58\u6709\u5171\u963b\u5f71\u54cd\uff0c\u53ef\u662f\u5728\u5bfc\u51fa\u58f0\u9891\u4e0a\u542c\u4e0d\u89c1\uff0c\u56e0\u6b64\u5728\u58f0\u9891\u884c\u4e1a\u4e00\u822c\u4e0d\u6613\u9020\u6210\u8f83\u5927\u7684\u9ad8\u5ea6\u91cd\u89c6\u3002\uff08\u8fd9\u4e5f\u662f\u5bf9\u96c6\u6210\u5316\u96c6\u6210ic\u6765\u8bb2\uff0c \u9488\u5bf9\u5206\u7acb\u5143\u4ef6\u6784\u5efa\u7684\u529f\u653e\u7535\u8def\uff0c \u6709\u4e00\u4e9b\u7ed3\u6784\u5bf9\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6216\u662f\u5341\u5206\u6bd4\u8f83\u654f\u611f\u7684\u3002\uff09<\/p>\n

\n\t\u7559\u610f\uff1a\u5f00\u5173\u7535\u6e90\u89e3\u51b3\u4e0d\u592a\u597d\u4f1a\u52a0\u5267\u63a7\u5236\u6a21\u5757\u95f4\u7684\u5f71\u54cd\uff0c\u63d0\u5347\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u7684\u7535\u78c1\u6ce2\u8f90\u5c04\u3002\u56e0\u6b64\uff0c\u5728\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u4e2d\uff0c \u52a1\u5fc5\u5f97\u8861\u91cf\u662f\u4e0d\u662f\u8981\u52a0\u5f3a\u63a7\u5236\u6a21\u5757\u95f4\u7684\u5f00\u5173\u7535\u6e90\u9632\u62a4\uff08\u8fd9\u4e00\u57fa\u7840\u7406\u8bba\u53ef\u4ee5\u5728\u201c\u566a\u97f3\u7684\u53d1\u6e90\u201d 4.4 \u8282\u4e2d\u89c1\u5230\uff09\u3002<\/p>\n

\n\t5.2\u3001\u63a2\u8ba8\u201c\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u201d<\/p>\n

\n\t5.2.1\u3001\u5177\u4f53\u63cf\u8ff0\uff1a\u5bf9\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u7684\u654f\u9510\u6c34\u5e73<\/p>\n

\n\t\u4eff\u771f\u6a21\u62df\u3001\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u901a\u5e38\u5bf9\u201c\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u566a\u97f3\u201d\u7684\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u4e3b\u8981\u8868\u73b0\u4e0d\u4e00\u6837\uff0c \u4e00\u822c\u6765\u8bb2\u4eff\u771f\u6a21\u62df\u5143\u5668\u4ef6\u5bf9\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u4e0d\u6bd4\u8f83\u654f\u611f\uff0c \u57fa\u672c\u4e0a\u4e0d\u5bb9\u6613\u5c06\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u53cd\u6620\u5728\u5bfc\u51fa\u4e0a\uff1b \u800c\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u901a\u5e38\u4f1a\u5c06\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u5b8c\u5168\u53cd\u5e94\u5728\u5bfc\u51fa\u4e0a\u3002<\/p>\n

\n\t\u7559\u610f\uff1a\u6570\u5b57\u96c6\u6210\u7535\u8def\u5bf9\u6570\u636e\u4fe1\u53f7\u566a\u97f3\u6bd4\u8f83\u654f\u611f\uff0c\u6df7\u5230\u4e86\u566a\u97f3\u540e\uff0c\u7acb\u5373\u5371\u5bb3\u5bfc\u51fa\u6570\u636e\u4fe1\u53f7\uff1b\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u5bf9\u6570\u636e\u4fe1\u53f7\u7684\u566a\u97f3\u76f8\u5bf9\u6027\u4e0d\u6bd4\u8f83\u654f\u611f\uff0c\u7531\u4e8e\u5373\u4f7f\u566a\u97f3\u975e\u5e38\u5927\uff0c IO\u53e3\u90fd\u80fd\u6070\u5f53\u5730\u5206\u8fa8\u51fa\u9ad8\u4f4e\u7535\u9891\u3002<\/p>\n

\n\t5.2.2\u3001\u6570\u5b57\u96c6\u6210\u7535\u8def\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u5f3a\u7684\u7f18\u6545<\/p>\n

\n\t\u4e00\u822c\u7684\u529f\u653e\u673a\u548c\u653e\u5927\u7535\u8def\u89e3\u51b3\u7684\u5168\u662f\u8109\u51b2\u4fe1\u53f7\uff0c \u4ed6\u4eec\u53ef\u4ee5\u5c06\u6570\u636e\u4fe1\u53f7\u53d8\u5927\u3001\u53d8\u5c0fN \u500d\uff0c\u4e00\u822c\u90fd\u662f\u6709\u6781\u5f3a\u7684\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\uff08\u566a\u97f3\uff09\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u3002\u6700\u5c11\u5c06\u5f00\u5173\u7535\u6e90\u4e0a\u7684\u566a\u97f3\u635f\u801710000\u500d\u4ee5\u4e0a\u5bfc\u51fa\u3002<\/p>\n

\n\t\u4e3a\u4f55\u653e\u5927\u7535\u8def\u7b49\u4eff\u771f\u6a21\u62df\u5143\u5668\u4ef6\u6709\u90a3\u4e48\u5f3a\u7684\u5f00\u5173\u7535\u6e90\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\uff1f<\/p>\n

\n\t\u8bf4\u5230\u5e95\uff0c\u7531\u4e8e\u53ef\u8c03\u7a33\u538b\u7535\u6e90<\/u>\u3001\u76f4\u6d41\u7535\u6e90\u3001\u53d8\u5927\u533a\u7684\u5171\u5c04\u8fd0\u7b97\u653e\u5927\u5668\u3001\u975e\u9971\u548c\u7684\u5c04\u7ea7\u8fd0\u7b97\u653e\u5927\u5668\u7b49\u90fd\u662f\u6709\u6781\u5f3a\u7684\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\uff08\u566a\u97f3\uff09 \u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u2014\u2014 \u800c\u653e\u5927\u7535\u8def\u3001\u529f\u653e\u673a\u7b49\u90fd\u7531\u8fd9\u79cd\u57fa\u672c\u4e0a\u7535\u6e90\u7535\u8def\u505a\u4e3a\u5176\u91cc\u9762\u7684\u504f\u7f6e\u3001\u8fd0\u7b97\u653e\u5927\u5668\u6a21\u5757\uff0c\u56e0\u6b64\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u6bd4\u8f83\u5f3a\u3002<\/p>\n

\n\t\u6df1\u5c42\u6b21\u7684\u5b9e\u9645\u5206\u6790\u5e76\u4e0d\u662f\u4e00\u7ae0\u4e00\u8282\u53ef\u4ee5\u8868\u660e\uff0c \u800c\u4e14\u521b\u4f5c\u8005\u4e5f\u81ea\u89c9\u5f97\u6c92\u6709\u5145\u8db3\u6d53\u539a\u7684\u57fa\u672c\u529f\u3002\u4e0b\u8fb9\u5c06\u7b80\u6613\u9610\u8ff0\u96c6\u6210ic\u5167\u90e8\u5728\u5176\u4e2d\u4e00\u79cd\u7535\u6e90\u7535\u8def\u5b9e\u4f53\u6a21\u578b\uff1a \u4e3a\u4ec0\u4e48\u53d8\u5927\u533a\u7684\u5171\u5c04\u7535\u8def\u6709\u8f83\u5f3a\u7684\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u6bd4\uff01<\/p>\n

\n\tPS\uff1a\u8bf7\u6709\u5174\u8da3\u7231\u597d\u6df1\u5165\u5206\u6790\u7684\u9605\u8bfb\u8005\u53ef\u4ee5\u4e86\u89e3\u300a\u6a21\u62df\u7535\u5b50\u6280\u672f\u57fa\u7840\u300b\uff08\u7ae5\u8bd7\u767d\u7b2c4\u72483\u30014 \u7ae0\u8282\u76ee\u5f55\u7b49\u76f8\u5173\u5185\u5bb9\uff09\u7ae0\u8282\u76ee\u5f55\u540e\uff0c\u518d\u8fdb\u4e00\u6b65\u5b66\u4e60\u57f9\u8bad\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u8be5\u56fe\u662f\u7d93\u5178\u7684\u201c\u4e09\u6781\u7ba1<\/u>\u7279\u70b9\u8d8b\u52bf\u56fe\u201d \uff0c\u8be5\u56fe\u65e9\u5df2\u542b\u6709\u4e86\u201c\u5171\u5c04\u53d8\u5927\u533a\u6709\u8f83\u5f3a\u7684\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u201d\u8fd9\u4e00\u4fe1\u606f\u5185\u5bb9\uff01<\/p>\n

\n\t\u662f\u771f\u7684\u5417\uff1f\u4e0d\u4f1a\u5427\uff1f\uff01<\/p>\n

\n\t\u6211\u4ec0\u4e48\u65f6\u5019\u9a97\u5f97\u4f60\uff1f \u2014\u2014 \u53ef\u4ee5\u770b\u5256\u6790\u3002<\/p>\n

\n\t\u9488\u5bf9\u5171\u5c04\u8fd0\u7b97\u653e\u5927\u5668\u3002\u5047\u5b9a\u5728\u53d8\u5927\u533a\uff08\u56fe\u5185\u7ea2\u68d5\u8272\u5730\u533a\uff09 \uff0c\u7ed9\u4e09\u6781\u7ba1B\u6781\u7ed9\u4e88\u56fa\u5b9a\u4e0d\u52a8\u7684\u7535\u6d41\u91cfIb1 = 20uA\uff0c\u90a3\u9ebc\u5373\u4f7f\u7535\u6e90\u7535\u538b\uff08 Uce\u5de5\u4f5c\u7535\u538b\uff09\u57283~9V \u8d77\u4f0f\uff0c\u800cIc1 \u57fa\u672c\u4e0a\u4fdd\u6301\u4e0d\u53d8\uff08\u8fd9\u4e00\u56fe\u5185\u80fd\u591f\u770b\u89c1\uff09 \u3002Ic1 \u4fdd\u6301\u4e0d\u53d8\uff0c\u4ee3\u8868\u7740\u5171\u5c04\u8fd0\u7b97\u653e\u5927\u5668\u7684\u5de5\u4f5c\u7535\u538b\u5bfc\u51fa\u4e0d\u4f1a\u6539\u53d8\uff01\uff08\u4e86\u89e3\u8fd9\u6837\u7684\u8bdd\u7684\u5148\u51b3\u6761\u4ef6\u662f\uff1a\u4e86\u89e3\u5171\u5c04\u8fd0\u7b97\u653e\u5927\u5668\u3002\uff09<\/p>\n

\n\t\u56e0\u6b64\uff0c\u9488\u5bf9\u56fe\u5185\u7684\u4e09\u6781\u7ba1\u5171\u5c04\u8fd0\u7b97\u653e\u5927\u5668\uff0c\u5018\u82e5\u5728B\u6781\u952e\u5165\u4e00\u4e2a\u6570\u636e\u4fe1\u53f7Vin\uff0c\u5373\u4f7f\u5de5\u4f5c\u7535\u538b\u57283~9V\u8d77\u4f0f\uff0c\u5bfc\u51fa\u53ea\u548c\u952e\u5165\u76f8\u5173\uff0c\u57fa\u672c\u4e0a\u4e0d\u4f1a\u53d7\u5230\u7535\u6e90\u7535\u538b\u8d77\u4f0f\u7684\u5371\u5bb3\uff01\u8fd9\u8868\u660e\uff1a\u8fd9\u4e00\u8fd0\u7b97\u653e\u5927\u5668\u6709\u8f83\u5f3a\u7684\u5f00\u5173\u7535\u6e90\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\uff01<\/p>\n

\n\t5.2.3\u3001\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u6c92\u6709\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u5de5\u4f5c\u80fd\u529b<\/p>\n

\n\t\u5c0f\u8f93\u51fa\u529f\u7387\u4e09\u7ea7\u7ba1<\/u>\u5728\u8f38\u51fa\u7535\u6d41\u91cf\u662f\u633a\u5927\u7684\u60c5\u5f62\u4e0b\uff0c \u9971\u548c\u72b6\u6001\u5173\u65ad\u7684\u7ba1\u635f\u8017\u5341\u5206\u5c0f\uff0c \u53ef\u4ee5\u89c9\u5f97\u662f0\uff08\u9488\u5bf9\u8fd9\u4e00\u635f\u8017\u95ee\u9898\uff0c \u6709\u8bb8\u591a\u62e5\u6709\u5de5\u4f5c\u7ecf\u5386\u7684\u7535\u5b50\u5de5\u7a0b\u5e08\u4e5f\u5e38\u6000\u7591\u3002\u90a3\u9ebc\uff0c\u52b3\u70e6\u8bf8\u4f4d\u7528\u5e94\u7528\u6570\u636e\u9a8c\u8bc1\u3002\u5475\u5475\u5475\uff01\uff09\u3002\u56e0\u6b64\uff0c\u5f53\u952e\u5165\u4e3a3.3V \u65f6\uff0c\u5bfc\u51fa\u4e3a3.3V\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u5f53\u7535\u6e90\u7535\u538b\u75313.3V \u53d8\u621010V \u65f6\uff0c\u5168\u90e8\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u90fd\u5de5\u4f5c\u4e2d\u572810V \u5f00\u5173\u7535\u6e90\u4e0b\uff0c\u6bcf\u4e00\u4e2a\u6570\u636e\u903b\u8f91\u95e8\u7684\u5de5\u4f5c\u7535\u538b\u4e5f\u4e3a10V\u2014\u2014\u56e0\u6b64\u6700\u540e\u7684\u7d50\u679c\u662f\uff1a Vin \u548cVout \u90fd\u53d8\u4e3a\u4e00\u6837\uff1a\u5168\u662f10V \u952e\u5165\u3001\u8f93\u51fa\u7535\u538b\u3002<\/p>\n

\n\t\u56e0\u6b64\uff0c\u56e0\u4e3a\u6570\u5b57\u7535\u8def\u8bbe\u8ba1IO \u53e3\u7684\u7535\u6d41\u5de5\u4f5c\u4e2d\u5728\u9971\u548c\u72b6\u6001\u5173\u65ad\u60c5\u51b5\uff08\u4e0d\u80fd\u72ec\u7279\u7684ECL\u7b49\u7535\u6e90\u7535\u8def\u6765\u9610\u8ff0\uff09\uff0c\u8f93\u51fa\u7535\u538b\u59cb\u7ec8\u76f8\u5f53\u4e8e\u7535\u6e90\u7535\u538b\u3002\u56e0\u6b64\u5f00\u5173\u7535\u6e90\u8d77\u4f0f\u4e00\u70b9\u4e5f\u4e0d\u4fdd\u7559\u533a\u53cd\u6620\u5728\u5bfc\u51fa\u4e0a\uff0c\u9020\u6210\u5176\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u6291\u6b62\u5de5\u4f5c\u80fd\u529b\u4e3a0. \u8fd9\u7c7b\u7279\u70b9\u5728\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u4e92\u76f8\u5f71\u54cd\u7684\u5904\u7f6e\u8981\u5341\u5206\u7559\u610f\u3002<\/p>\n

\n\t<\/p>\n

\n\t6\u3001\u6587\u4e2d\u7cbe\u4e49<\/p>\n

\n\t\uff081\uff09\u7531\u4e8e\u6709\u4e00\u540c\u6d41\u56de\u9014\u5f84\u800c\u53d1\u751f\u7684\u5f71\u54cd\u72b6\u51b5\u53eb\u201c\u5171\u963b\u5f71\u54cd\u201d \u3002<\/p>\n

\n\t\uff082\uff09\u4eba\u8033\u6735\u91cc\u9762\u5728\u6e05\u9759\u81ea\u7136\u73af\u5883\u4e2d\uff0c\u6839\u636e\u624b\u673a\u8033\u673a\uff0c\u5927\u5bb6\u80fd\u660e\u767d\u5730\u542c\u89c1\u6beb\u4f0f\u7ea7\uff08\u51e0\u6beb\u4f0f\uff09\u7684\u8bed\u97f3\u566a\u97f3\u6570\u636e\u4fe1\u53f7\uff0c\u800c\u4e00\u822c\u6570\u5b57\u793a\u6ce2\u5668\u4e00\u822c\u6ca1\u6cd5\u6355\u83b7\u90a3\u4e48\u8584\u5f31\u7684\u6ce2\u578b\u3002<\/p>\n

\n\t\uff083\uff09\u7531\u4e8e\u5171\u963b\u5f71\u54cd\u5b58\u6709\u5730\u566a\u97f3\u7684\u201c\u6bd4\u8f83\u654f\u611f\u6bb5PCB\u201d\uff0c\u56e0\u6b64\u8981\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\uff0c\u8ba9\u566a\u97f3\u4e0d\u5fc5\u901a\u8fc7\u6bd4\u8f83\u654f\u611f\u6bb5PCB\u3002<\/p>\n

\n\t\uff084\uff09\u70b9\u5c04\u63a5\u5730\u88c5\u7f6e\u7684\u89c2\u5ff5\uff0c\u5728\u300a\u5370\u5237\u7535\u8def\u677f\u6392\u7248\u8bbe\u8ba1\u300b\u6709\u5f88\u8be6\u5c3d\u7684\u89e3\u8bfb\u3002\uff08\u521b\u4f5c\u8005\uff1a\u90d1\u8bd7\u536b\uff09<\/p>\n

\n\t\uff085\uff09\u4e00\u822c\u6765\u8bb2\u4eff\u771f\u6a21\u62df\u5143\u5668\u4ef6\u5bf9\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u4e0d\u6bd4\u8f83\u654f\u611f\uff0c \u57fa\u672c\u4e0a\u4e0d\u5bb9\u6613\u5c06\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u53cd\u6620\u5728\u5bfc\u51fa\u4e0a\uff1b\u800c\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u901a\u5e38\u4f1a\u5c06\u5f00\u5173\u7535\u6e90\u8c10\u6ce2\u5931\u771f\u5b8c\u5168\u53cd\u5e94\u5728\u5bfc\u51fa\u4e0a\u3002<\/p>\n

 <\/p>\n

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