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\"080fd330-bbfc-11ee-8b88-92fbcf53809c.png\"<\/p>\n

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\"082e4a4a-bbfc-11ee-8b88-92fbcf53809c.png\"<\/p>\n

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\"0840f65e-bbfc-11ee-8b88-92fbcf53809c.png\"<\/p>\n

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\"085fd8b2-bbfc-11ee-8b88-92fbcf53809c.png\"<\/p>\n

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\"086a649e-bbfc-11ee-8b88-92fbcf53809c.png\"<\/p>\n

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\u8fc7\u538b\u4fdd\u62a4\u7535\u8def\u56fe<\/p>\n

3\uff09\u8fc7\u538b\u4fdd\u62a4\u539f\u7406<\/p>\n

\u5f53\u7535\u538b\u4f4e\u4e8e\u9884\u8bbe\u7535\u5e73\u65f6\uff0cQ2 \u7684\u57fa\u6781\u4e3a\u9ad8\u7535\u5e73\uff0c\u7531\u4e8e\u5b83\u662f\u4e00\u4e2a PNP \u6676\u4f53\u7ba1\uff0c\u5b83\u5173\u95ed\u3002\u5e76\u4e14\uff0c\u5f53 Q2 \u5904\u4e8e\u5173\u95ed\u72b6\u6001\u65f6\uff0cQ1 \u7684\u57fa\u6781\u7aef\u5b50<\/u>\u5c06\u4e3a\u4f4e\u7535\u5e73\uff0c\u5b83\u5141\u8bb8\u7535\u6d41\u6d41\u8fc7\u5b83\u3002 \u73b0\u5728\uff0c\u5f53\u7535\u538b\u8d85\u8fc7\u9884\u8bbe\u503c\u65f6\uff0c\u9f50\u7eb3\u4e8c\u6781\u7ba1\u5f00\u59cb\u5bfc\u901a\uff0c\u5c06 Q2 \u7684\u57fa\u6781\u63a5\u5730\u5e76\u6253\u5f00 Q2\u3002\u5f53 Q2 \u5bfc\u901a\u65f6\uff0cQ1 \u7684\u57fa\u6781\u7aef\u5b50\u53d8\u4e3a\u9ad8\u7535\u5e73\u5e76\u4e14 Q1 \u5bfc\u901a\uff0c\u8fd9\u610f\u5473\u7740 Q1 \u5145\u5f53\u5f00\u8def\u5f00\u5173\u3002\u56e0\u6b64\uff0cQ1 \u4e0d\u5141\u8bb8\u7535\u6d41\u6d41\u8fc7\u5b83\u5e76\u4fdd\u62a4\u8d1f\u8f7d\u514d\u53d7\u8d85\u8fc7\u7535\u538b\u7684\u5f71\u54cd\u3002 \u73b0\u5728\u6211\u4eec\u8fd8\u9700\u8981\u8003\u8651\u6676\u4f53\u7ba1\u4e0a\u7684\u7535\u538b\u964d\uff0c\u5b83\u5e94\u8be5\u5f88\u4f4e\u4ee5\u4fdd\u8bc1\u7535\u8def\u7684\u6b63\u786e\u7cbe\u5ea6\u3002\u6240\u4ee5\u6211\u4eec\u4f7f\u7528\u4e86 FMMT718 PNP \u6676\u4f53\u7ba1\uff0c\u5b83\u8868\u73b0\u51fa\u975e\u5e38\u4f4e\u7684 VCE \u9971\u548c\u503c\uff0c\u56e0\u6b64\u6676\u4f53\u7ba1\u4e0a\u7684\u7535\u538b\u964d\u5f88\u4f4e\u3002<\/p>\n

4\u3001\u5982\u4f55\u9009\u62e9\u7528\u4e8e\u8fc7\u538b\u4fdd\u62a4\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\uff1f<\/p>\n

\u4e0b\u4e00\u4e2a\u91cd\u8981\u90e8\u5206\u662f\u9009\u62e9\u9f50\u7eb3\u4e8c\u6781\u7ba1\u503c\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

1\uff09\u9009\u62e9\u9f50\u7eb3\u4e8c\u6781\u7ba1\u7684\u7535\u538b<\/p>\n

\u8fd9\u662f\u9f50\u7eb3\u4e8c\u6781\u7ba1\u5c06\u5145\u5f53\u95ed\u5408\u7535\u8def\u5e76\u4fdd\u62a4\u8d1f\u8f7d\u514d\u53d7\u8fc7\u538b\u5f71\u54cd\u7684\u7535\u538b\u503c\u3002\u5bf9\u4e8e\u4e0a\u9762\u7684\u793a\u4f8b\uff0c\u9f50\u7eb3\u7535\u538b\u4e3a 6.8V\u3002 \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u76ee\u6807\u9f50\u7eb3\u4e8c\u6781\u7ba1\u7535\u538b\u4e0d\u53ef\u7528\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u9009\u62e9\u63a5\u8fd1\u503c\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u9ad8\u8fbe 7V \u7684\u8fc7\u538b\u4fdd\u62a4\uff0c6.8V \u9f50\u7eb3\u4e8c\u6781\u7ba1\u662f\u4e00\u4e2a\u63a5\u8fd1\u503c\u3002<\/p>\n

2\uff09\u8ba1\u7b97\u8fde\u63a5\u5728\u8fc7\u538b\u4fdd\u62a4\u7535\u8def\u4e24\u7aef\u7684\u8d1f\u8f7d\u7535\u6d41<\/p>\n

\u5bf9\u4e8e\u6211\u4eec\u4e0a\u9762\u8ba8\u8bba\u7684\u793a\u4f8b\uff0c\u5b83\u662f 50mA\u3002\u9664\u4e86\u8d1f\u8f7d\u7535\u6d41\uff0c\u9f50\u7eb3\u4e8c\u6781\u7ba1\u8fd8\u9700\u8981\u504f\u7f6e\u7535\u6d41\u3002\u56e0\u6b64\uff0c\u603b\u7535\u6d41\u5e94\u7b49\u4e8e\u8d1f\u8f7d\u7535\u6d41\u52a0\u4e0a\u9f50\u7eb3\u4e8c\u6781\u7ba1\u504f\u7f6e\u7535\u6d41\u3002\u5bf9\u4e8e\u4e0a\u9762\u8ba8\u8bba\u7684\u4f8b\u5b50\uff0c\u5b83\u53ef\u4ee5\u662f \u603b\u7535\u6d41 = 50mA + 10mA = 60mA<\/p>\n

3\uff09\u9f50\u7eb3\u4e8c\u6781\u7ba1\u5177\u6709\u989d\u5b9a\u529f\u7387<\/p>\n

\u56e0\u6b64\uff0c\u9002\u5f53\u7684\u6563\u70ed\u9700\u8981\u9002\u5f53\u7684\u989d\u5b9a\u529f\u7387\u9f50\u7eb3\u4e8c\u6781\u7ba1\u3002\u989d\u5b9a\u529f\u7387\u53ef\u4ee5\u6839\u636e\u6b65\u9aa4 - 2 \u4e2d\u8ba1\u7b97\u7684\u603b\u7535\u6d41\uff0860mA\uff09\u8ba1\u7b97\u5f97\u51fa\u3002\u56e0\u6b64\uff0c\u9f50\u7eb3\u4e8c\u6781\u7ba1\u7684\u989d\u5b9a\u529f\u7387\u7b49\u4e8e\u9f50\u7eb3\u4e8c\u6781\u7ba1\u7684\u7535\u538b\uff0c\u4e0e\u6d41\u8fc7\u4e8c\u6781\u7ba1\u7684\u603b\u7535\u6d41\u6709\u5173\u3002 \u5bf9\u4e8e\u6211\u4eec\u4e0a\u9762\u7684\u4f8b\u5b50\uff0c \u989d\u5b9a\u529f\u7387 = 6.8V x 0.060 = 0.408 \u74e6\u3002 \u56e0\u6b64\uff0c\u4e00\u4e2a 500mW \u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n

4\uff09\u901a\u8fc7\u5fae\u5206\u6e90\u7535\u538b\u548c\u4e00\u822c\u7535\u538b\u6765\u8ba1\u7b97\u7535\u963b\u503c<\/p>\n

\u6e90\u7535\u538b\u5c06\u662f\u53ef\u4ee5\u65bd\u52a0\u5230\u7535\u8def\u7684\u6700\u5927\u503c\u3002\u4f8b\u5982\uff0c\u53ef\u80fd\u53d1\u751f\u6216\u53ef\u4ee5\u4f5c\u4e3a\u7535\u6e90\u7535\u538b\u65bd\u52a0\u7684\u6700\u5927\u8fc7\u7535\u538b\u53ef\u4ee5\u662f 13V\u3002 \u56e0\u6b64\uff0c\u7535\u963b\u4e24\u7aef\u7684\u7535\u538b\u964d\u5c06\u4e3a = 13V-6.8V = 6.2V \u6839\u636e\u6b27\u59c6\u5b9a\u5f8b\uff0c\u7535\u963b\u503c\u5c06\u4e3a = 6.2V \/ 0.060 A = 103R \u53ef\u9009\u62e9\u6807\u51c6\u503c 100R \u7535\u963b\u3002<\/p>\n

\u56db\u3001\u6676\u95f8\u7ba1\u64ac\u68d2\uff08SCR Crowbar\uff09\u8fc7\u538b\u4fdd\u62a4\u7535\u8def<\/strong><\/p>\n

\u987e\u540d\u601d\u4e49\uff0c\u64ac\u68cd\u7535\u8def\u4f1a\u5728\u51fa\u73b0\u8fc7\u538b\u60c5\u51b5\u65f6\u5728\u7535\u6e90\u8f93\u51fa\u7aef\u77ed\u8def\uff0c\u8fd9\u4f1a\u5c06\u8f93\u51fa\u7ebf\u77ed\u8def\u5230\u5730\u3002 \u901a\u5e38\u6676\u95f8\u7ba1\uff0c\u5373 SCR \u7528\u4e8e\u6b64\u76ee\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u4ee5\u5207\u6362\u5927\u7535\u6d41\u5e76\u4fdd\u6301\u5bfc\u901a\u72b6\u6001\uff0c\u76f4\u5230\u4efb\u4f55\u7535\u8377\u6563\u53bb\u3002\u6676\u95f8\u7ba1\u53ef\u4ee5\u8fde\u63a5\u56de\u4fdd\u9669\u4e1d\uff0c\u8be5\u4fdd\u9669\u4e1d\u4f1a\u7194\u65ad<\/u>\u5e76\u9694\u79bb\u8c03\u8282\u5668\uff0c\u4f7f\u5176\u4e0d\u4f1a\u627f\u53d7\u4efb\u4f55\u8fdb\u4e00\u6b65\u7684\u7535\u538b\u3002<\/p>\n

1\u3001\u6676\u95f8\u7ba1\u64ac\u68d2\u8fc7\u538b\u4fdd\u62a4\u7535\u8def<\/p>\n

\"088f83d2-bbfc-11ee-8b88-92fbcf53809c.png\"<\/p>\n

\u6676\u95f8\u7ba1\u64ac\u68d2\u8fc7\u7535\u538b\u4fdd\u62a4\u7535\u8def \u5728\u6b64\u7535\u5b50\u7535\u8def\u8bbe\u8ba1\u4e2d\uff0c\u9009\u62e9\u4e86\u9f50\u7eb3\u4e8c\u6781\u7ba1\uff0c\u4f7f\u5176\u7535\u538b\u9ad8\u4e8e\u8f93\u51fa\u7684\u6b63\u5e38\u5de5\u4f5c\u7535\u538b\uff0c\u4f46\u4f4e\u4e8e\u4f1a\u53d1\u751f\u635f\u574f\u7684\u7535\u538b\u3002<\/p>\n

2\u3001\u6676\u95f8\u7ba1\u64ac\u68d2\u8fc7\u538b\u4fdd\u62a4\u539f\u7406<\/p>\n

\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b\uff0c\u6ca1\u6709\u7535\u6d41\u6d41\u8fc7\u9f50\u7eb3\u4e8c\u6781\u7ba1\uff0c\u56e0\u4e3a\u5c1a\u672a\u8fbe\u5230\u5176\u51fb\u7a7f\u7535\u538b\uff0c\u5e76\u4e14\u6ca1\u6709\u7535\u6d41\u6d41\u5165\u6676\u95f8\u7ba1\u7684\u6805\u6781\u5e76\u4fdd\u6301\u5173\u95ed\u72b6\u6001\u3002\u7535\u6e90\u5c06\u6b63\u5e38\u5de5\u4f5c\u3002\u5982\u679c\u7535\u6e90\u4e2d\u7684\u4e32\u8054\u4f20\u8f93\u6676\u4f53\u7ba1\u53d1\u751f\u6545\u969c\uff0c\u7535\u538b\u5c06\u5f00\u59cb\u4e0a\u5347 - \u5355\u5143\u4e2d\u7684\u53bb\u8026\u5c06\u786e\u4fdd\u5b83\u4e0d\u4f1a\u7acb\u5373\u4e0a\u5347\u3002 \u968f\u7740\u5b83\u7684\u4e0a\u5347\uff0c\u5b83\u5c06\u4e0a\u5347\u5230\u9f50\u7eb3\u4e8c\u6781\u7ba1\u5f00\u59cb\u5bfc\u901a\u7684\u70b9\u4ee5\u4e0a\uff0c\u7535\u6d41\u5c06\u6d41\u5165\u6676\u95f8\u7ba1\u7684\u6805\u6781\uff0c\u5bfc\u81f4\u5176\u89e6\u53d1\u3002\u5f53\u6676\u95f8\u7ba1\u89e6\u53d1\u65f6\uff0c\u5b83\u4f1a\u5c06\u7535\u6e90\u7684\u8f93\u51fa\u77ed\u8def\u5230\u5730\uff0c\u4ee5\u9632\u6b62\u635f\u574f\u5176\u4f9b\u7535<\/u>\u7684\u7535\u8def\u3002 \u8fd9\u79cd\u77ed\u8def\u4e5f\u53ef\u7528\u4e8e\u70e7\u65ad\u4fdd\u9669\u4e1d\u6216\u5176\u4ed6\u5143\u4ef6\uff0c\u5207\u65ad\u7535\u538b\u8c03\u8282\u5668\u7684\u7535\u6e90\uff0c\u5e76\u4f7f\u8bbe\u5907\u514d\u53d7\u8fdb\u4e00\u6b65\u635f\u574f\u3002 \u901a\u5e38\u5728\u6676\u95f8\u7ba1\u7684\u6805\u6781\u4e0e\u5730\u4e4b\u95f4\u653e\u7f6e\u4e00\u4e9b\u5c0f\u7535\u5bb9<\/u>\u5f62\u5f0f\u7684\u53bb\u8026\uff0c\u4ee5\u9632\u6b62\u5c16\u9510\u7684\u77ac\u53d8\u6216\u6765\u81ea\u6b63\u5728\u4f9b\u7535\u7684\u5355\u5143\u7684\u00a0RF<\/u>\u00a0\u8fdb\u5165\u6805\u6781\u8fde\u63a5\u5e76\u5bfc\u81f4\u5bc4\u751f\u89e6\u53d1\u3002\u7136\u800c\uff0c\u8fd9\u4e2a\u7535\u5bb9\u4e0d\u5e94\u505a\u5f97\u592a\u5927\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4f1a\u5728\u5b9e\u9645\u53d1\u751f\u6545\u969c\u7684\u60c5\u51b5\u4e0b\u51cf\u6162\u7535\u8def\u7684\u542f\u52a8\u901f\u5ea6\uff0c\u5e76\u4e14\u4fdd\u62a4\u53ef\u80fd\u4f1a\u592a\u6162\u3002<\/p>\n

3\u3001\u5173\u4e8e\u6676\u95f8\u7ba1 Crowbar \u8fc7\u538b\u4fdd\u62a4\u7684\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n

\u6676\u95f8\u7ba1\u6216 SCR\uff0c\u53ef\u63a7\u7845<\/u>\u6574\u6d41\u5668\u53ef\u7528\u4e8e\u5728\u7535\u6e90\u7535\u8def<\/u>\u4e2d\u63d0\u4f9b\u8fc7\u538b\u4fdd\u62a4\u3002\u901a\u8fc7\u68c0\u6d4b<\/u>\u9ad8\u538b\uff0c\u7535\u8def\u53ef\u4ee5\u89e6\u53d1\u6676\u95f8\u7ba1\u4ee5\u5728\u7535\u538b\u8f68\u4e0a\u8bbe\u7f6e\u77ed\u8def\u6216\u77ed\u8def\u5668\uff0c\u4ee5\u786e\u4fdd\u5b83\u4e0d\u4f1a\u5347\u81f3\u9ad8\u7535\u538b\u3002<\/p>\n

\u4e94\u3001\u7535\u538b\u94b3\u4f4d\u8fc7\u538b\u4fdd\u62a4<\/strong><\/p>\n

\u53e6\u4e00\u79cd\u975e\u5e38\u7b80\u5355\u7684\u8fc7\u7535\u538b\u4fdd\u62a4\u5f62\u5f0f\u4f7f\u7528\u79f0\u4e3a\u7535\u538b\u94b3\u4f4d\u7684\u65b9\u6cd5\u3002\u5728\u5176\u6700\u7b80\u5355\u7684\u5f62\u5f0f\u4e2d\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u653e\u7f6e\u5728\u7a33\u538b\u7535\u6e90<\/u>\u8f93\u51fa\u7aef\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\u6765\u63d0\u4f9b\u3002 \u9009\u62e9\u7565\u9ad8\u4e8e\u6700\u5927\u8f68\u7535\u538b\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\u7535\u538b\uff0c\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\u5b83\u4e0d\u4f1a\u5bfc\u901a\u3002\u5982\u679c\u7535\u538b\u5347\u5f97\u592a\u9ad8\uff0c\u5b83\u5c06\u5f00\u59cb\u5bfc\u901a\uff0c\u5c06\u7535\u538b\u94b3\u4f4d\u5728\u7565\u9ad8\u4e8e\u8f68\u7535\u538b\u7684\u503c\u3002 \u5982\u679c\u7a33\u538b\u7535\u6e90\u9700\u8981\u66f4\u9ad8\u7684\u7535\u6d41\u80fd\u529b\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5e26\u6709\u6676\u4f53\u7ba1\u7f13\u51b2\u5668\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\u3002\u8fd9\u5c06\u589e\u52a0\u7b80\u5355\u9f50\u7eb3\u4e8c\u6781\u7ba1\u7535\u8def\u7684\u7535\u6d41\u80fd\u529b\uff0c\u589e\u52a0\u7684\u7cfb\u6570\u7b49\u4e8e\u6676\u4f53\u7ba1\u7684\u7535\u6d41\u589e\u76ca\u3002\u7531\u4e8e\u6b64\u7535\u8def\u9700\u8981\u529f\u7387\u6676\u4f53\u7ba1\uff0c\u56e0\u6b64\u7535\u6d41\u589e\u76ca\u6c34\u5e73\u53ef\u80fd\u8f83\u4f4e - \u53ef\u80fd\u4e3a 20 - 50\u3002<\/p>\n

\"0899d6ca-bbfc-11ee-8b88-92fbcf53809c.png\"<\/p>\n

\u9f50\u7eb3\u4e8c\u6781\u7ba1\u8fc7\u538b\u94b3\u4f4d(a) - \u7b80\u5355\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\uff0c(b) - \u5e26\u6676\u4f53\u7ba1\u7f13\u51b2\u5668\u7684\u66f4\u9ad8\u7535\u6d41<\/p>\n

\u516d\u3001\u7535\u538b\u9650\u5236<\/strong><\/p>\n

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