{"id":1830,"date":"2018-12-19T00:39:44","date_gmt":"2018-12-19T00:39:44","guid":{"rendered":""},"modified":"2018-12-19T08:40:17","modified_gmt":"2018-12-19T00:40:17","slug":"%e5%9c%ba%e6%95%88%e5%ba%94%e7%ae%a1%e4%b8%8e%e6%99%b6%e4%bd%93%e4%b8%89%e6%9e%81%e7%ae%a1%e7%9a%84%e6%af%94%e8%be%83","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1830","title":{"rendered":"\u573a\u6548\u5e94\u7ba1\u4e0e\u6676\u4f53\u4e09\u6781\u7ba1\u7684\u6bd4\u8f83"},"content":{"rendered":"

\n\t\u573a\u6548\u5e94\u7ba1\u4e0e\u6676\u4f53\u4e09\u6781\u7ba1\u7684\u6bd4\u8f83\u3000\u3000<\/b><\/span><\/span><\/p>\n

\n\t\u573a\u6548\u5e94\u7ba1\u662f\u7535\u538b\u63a7\u5236\u5143\u4ef6,\u800c\u6676\u4f53\u7ba1\u662f\u7535\u6d41\u63a7\u5236\u5143\u4ef6.\u5728\u53ea\u5141\u8bb8\u4ece\u4fe1\u53f7\u6e90\u53d6\u8f83\u5c11\u7535\u6d41\u7684\u60c5\u51b5\u4e0b,\u5e94\u9009\u7528\u573a\u6548\u5e94\u7ba1;\u800c\u5728\u4fe1\u53f7\u7535\u538b\u8f83\u4f4e,\u53c8\u5141\u8bb8\u4ece\u4fe1\u53f7\u6e90\u53d6\u8f83\u591a\u7535\u6d41\u7684\u6761\u4ef6\u4e0b,\u5e94\u9009\u7528\u6676\u4f53\u7ba1.<\/span><\/span><\/p>\n

\n\t <\/div>\n

\u3000\u3000\u6676\u4f53\u4e09\u6781\u7ba1\u4e0e\u573a\u6548\u5e94\u7ba1\u5de5\u4f5c\u539f\u7406\u5b8c\u5168\u4e0d\u540c\uff0c\u4f46\u662f\u5404\u6781\u53ef\u4ee5\u8fd1\u4f3c\u5bf9\u5e94\u4ee5\u4fbf\u4e8e\u7406\u89e3\u548c\u8bbe\u8ba1\uff1a<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u6676\u4f53\u7ba1\uff1a \u57fa\u6781 \u53d1\u5c04\u6781 \u96c6\u7535\u6781<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u573a\u6548\u5e94\u7ba1 \uff1a \u6805\u6781 \u6e90\u6781 \u6f0f\u6781<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6676\u4f53\u7ba1(NPN\u578b)\u8bbe\u8ba1\u53d1\u5c04\u6781\u7535\u4f4d\u6bd4\u57fa\u6781\u7535\u4f4d\u4f4e(\u7ea60.6V)\uff0c\u573a\u6548\u5e94\u7ba1\u6e90\u6781\u7535\u4f4d\u6bd4\u6805\u6781\u7535\u4f4d\u9ad8\uff08\u7ea60.4V)\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u573a\u6548\u5e94\u7ba1\u662f\u5229\u7528\u591a\u6570\u8f7d\u6d41\u5b50\u5bfc\u7535,\u6240\u4ee5\u79f0\u4e4b\u4e3a\u5355\u6781\u578b\u5668\u4ef6,\u800c\u6676\u4f53\u7ba1\u662f\u5373\u6709\u591a\u6570\u8f7d\u6d41\u5b50,\u4e5f\u5229\u7528\u5c11\u6570\u8f7d\u6d41\u5b50\u5bfc\u7535,\u88ab\u79f0\u4e4b\u4e3a\u53cc\u6781\u578b\u5668\u4ef6.<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u6709\u4e9b\u573a\u6548\u5e94\u7ba1\u7684\u6e90\u6781\u548c\u6f0f\u6781\u53ef\u4ee5\u4e92\u6362\u4f7f\u7528,\u6805\u538b\u4e5f\u53ef\u6b63\u53ef\u8d1f,\u7075\u6d3b\u6027\u6bd4\u6676\u4f53\u7ba1\u597d.<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u573a\u6548\u5e94\u7ba1\u80fd\u5728\u5f88\u5c0f\u7535\u6d41\u548c\u5f88\u4f4e\u7535\u538b\u7684\u6761\u4ef6\u4e0b\u5de5\u4f5c,\u800c\u4e14\u5b83\u7684\u5236\u9020\u5de5\u827a\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u628a\u5f88\u591a\u573a\u6548\u5e94\u7ba1\u96c6\u6210\u5728\u4e00\u5757\u7845\u7247\u4e0a,\u56e0\u6b64\u573a\u6548\u5e94\u7ba1\u5728\u5927\u89c4\u6a21\u96c6\u6210\u7535\u8def\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528.<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u4e00\u3001\u573a\u6548\u5e94\u7ba1\u7684\u7ed3\u6784\u539f\u7406\u53ca\u7279\u6027 \u573a\u6548\u5e94\u7ba1\u6709\u7ed3\u578b\u548c\u7edd\u7f18\u6805\u4e24\u79cd\u7ed3\u6784\uff0c\u6bcf\u79cd\u7ed3\u6784\u53c8\u6709N\u6c9f\u9053\u548cP\u6c9f\u9053\u4e24\u79cd\u5bfc\u7535\u6c9f\u9053\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30001\u3001\u7ed3\u578b\u573a\u6548\u5e94\u7ba1\uff08JFET\uff09<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\uff081\uff09\u7ed3\u6784\u539f\u7406 \u5b83\u7684\u7ed3\u6784\u53ca\u7b26\u53f7\u89c1\u56fe1\u3002\u5728N\u578b\u7845\u68d2\u4e24\u7aef\u5f15\u51fa\u6f0f\u6781D\u548c\u6e90\u6781S\u4e24\u4e2a\u7535\u6781\uff0c\u53c8\u5728\u7845\u68d2\u7684\u4e24\u4fa7\u5404\u505a\u4e00\u4e2aP\u533a\uff0c\u5f62\u6210\u4e24\u4e2aPN\u7ed3\u3002\u5728P\u533a\u5f15\u51fa\u7535\u6781\u5e76\u8fde\u63a5\u8d77\u6765\uff0c\u79f0\u4e3a\u6805\u6781Go\u8fd9\u6837\u5c31\u6784\u6210\u4e86N\u578b\u6c9f\u9053\u7684\u573a\u6548\u5e94\u7ba1 <\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe1\u3001N\u6c9f\u9053\u7ed3\u6784\u578b\u573a\u6548\u5e94\u7ba1\u7684\u7ed3\u6784\u53ca\u7b26\u53f7<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u7531\u4e8ePN\u7ed3\u4e2d\u7684\u8f7d\u6d41\u5b50\u5df2\u7ecf\u8017\u5c3d\uff0c\u6545PN\u57fa\u672c\u4e0a\u662f\u4e0d\u5bfc\u7535\u7684\uff0c\u5f62\u6210\u4e86\u6240\u8c13\u8017\u5c3d\u533a\uff0c\u4ece\u56fe1\u4e2d\u53ef\u89c1\uff0c\u5f53\u6f0f\u6781\u7535\u6e90\u7535\u538bED\u4e00\u5b9a\u65f6\uff0c\u5982\u679c\u6805\u6781\u7535\u538b\u8d8a\u8d1f\uff0cPN\u7ed3\u4ea4\u754c\u9762\u6240\u5f62\u6210\u7684\u8017\u5c3d\u533a\u5c31\u8d8a\u539a\uff0c\u5219\u6f0f\u3001\u6e90\u6781\u4e4b\u95f4\u5bfc\u7535\u7684\u6c9f\u9053\u8d8a\u7a84\uff0c\u6f0f\u6781\u7535\u6d41ID\u5c31\u6108\u5c0f\uff1b\u53cd\u4e4b\uff0c\u5982\u679c\u6805\u6781\u7535\u538b\u6ca1\u6709\u90a3\u4e48\u8d1f\uff0c\u5219\u6c9f\u9053\u53d8\u5bbd\uff0cID\u53d8\u5927\uff0c\u6240\u4ee5\u7528\u6805\u6781\u7535\u538bEG\u53ef\u4ee5\u63a7\u5236\u6f0f\u6781\u7535\u6d41ID\u7684\u53d8\u5316\uff0c\u5c31\u662f\u8bf4\uff0c\u573a\u6548\u5e94\u7ba1\u662f\u7535\u538b\u63a7\u5236\u5143\u4ef6\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\uff082\uff09\u7279\u6027\u66f2\u7ebf<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30001\uff09\u8f6c\u79fb\u7279\u6027<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe2\uff08a\uff09\u7ed9\u51fa\u4e86N\u6c9f\u9053\u7ed3\u578b\u573a\u6548\u5e94\u7ba1\u7684\u6805\u538b---\u6f0f\u6d41\u7279\u6027\u66f2\u7ebf\uff0c\u79f0\u4e3a\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf\uff0c\u5b83\u548c\u7535\u5b50\u7ba1\u7684\u52a8\u6001\u7279\u6027\u66f2\u7ebf\u975e\u5e38\u76f8\u4f3c\uff0c\u5f53\u6805\u6781\u7535\u538bVGS=0\u65f6\u7684\u6f0f\u6e90\u7535\u6d41\u3002\u7528IDSS\u8868\u793a\u3002VGS\u53d8\u8d1f\u65f6\uff0cID\u9010\u6e10\u51cf\u5c0f\u3002ID\u63a5\u8fd1\u4e8e\u96f6\u7684\u6805\u6781\u7535\u538b\u79f0\u4e3a\u5939\u65ad\u7535\u538b\uff0c\u7528VP\u8868\u793a\uff0c\u57280≥VGS≥VP\u7684\u533a\u6bb5\u5185\uff0cID\u4e0eVGS\u7684\u5173\u7cfb\u53ef\u8fd1\u4f3c\u8868\u793a\u4e3a\uff1a<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000ID=IDSS\uff081-|VGS\/VP|\uff09<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5176\u8de8\u5bfcgm\u4e3a\uff1agm=\uff08\u25b3ID\/\u25b3VGS\uff09|VDS=\u5e38\u5fae\uff08\u5fae\u6b27\uff09|<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5f0f\u4e2d\uff1a\u25b3ID------\u6f0f\u6781\u7535\u6d41\u589e\u91cf\uff08\u5fae\u5b89\uff09<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000------\u25b3VGS-----\u6805\u6e90\u7535\u538b\u589e\u91cf\uff08\u4f0f\uff09<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe2\u3001\u7ed3\u578b\u573a\u6548\u5e94\u7ba1\u7279\u6027\u66f2\u7ebf<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30002\uff09\u6f0f\u6781\u7279\u6027\uff08\u8f93\u51fa\u7279\u6027\uff09<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe2(b)\u7ed9\u51fa\u4e86\u573a\u6548\u5e94\u7ba1\u7684\u6f0f\u6781\u7279\u6027\u66f2\u7ebf\uff0c\u5b83\u548c\u6676\u4f53\u4e09\u6781\u7ba1\u7684\u8f93\u51fa\u7279\u6027\u66f2\u7ebf \u5f88\u76f8\u4f3c\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u2460\u53ef\u53d8\u7535\u963b\u533a\uff08\u56fe\u4e2dI\u533a\uff09\u5728I\u533a\u91ccVDS\u6bd4\u8f83\u5c0f\uff0c\u6c9f\u901a\u7535\u963b\u968f\u6805\u538bVGS\u800c\u6539\u53d8\uff0c\u6545\u79f0\u4e3a\u53ef\u53d8\u7535\u963b\u533a\u3002\u5f53\u6805\u538b\u4e00\u5b9a\u65f6\uff0c\u6c9f\u901a\u7535\u963b\u4e3a\u5b9a\u503c\uff0cID\u968fVDS\u8fd1\u4f3c\u7ebf\u6027\u589e\u5927\uff0c\u5f53VGS\uff1cVP\u65f6\uff0c\u6f0f\u6e90\u6781\u95f4\u7535\u963b\u5f88\u5927\uff08\u5173\u65ad\uff09\u3002IP=0\uff1b\u5f53VGS=0\u65f6\uff0c\u6f0f\u6e90\u6781\u95f4\u7535\u963b\u5f88\u5c0f\uff08\u5bfc\u901a\uff09\uff0cID=IDSS\u3002\u8fd9\u4e00\u7279\u6027\u4f7f\u573a\u6548\u5e94\u7ba1\u5177\u6709\u5f00\u5173\u4f5c\u7528\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u2461\u6052\u6d41\u533a\uff08\u533a\u4e2dII\u533a\uff09\u5f53\u6f0f\u6781\u7535\u538bVDS\u7ee7\u7eed\u589e\u5927\u5230VDS\uff1e|VP|\u65f6\uff0c\u6f0f\u6781\u7535\u6d41\uff0cIP\u8fbe\u5230\u4e86\u9971\u548c\u503c\u540e\u57fa\u672c\u4fdd\u6301\u4e0d\u53d8\uff0c\u8fd9\u4e00\u533a\u79f0\u4e3a\u6052\u6d41\u533a\u6216\u9971\u548c\u533a\uff0c\u5728\u8fd9\u91cc\uff0c\u5bf9\u4e8e\u4e0d\u540c\u7684VGS\u6f0f\u6781\u7279\u6027\u66f2\u7ebf\u8fd1\u4f3c\u5e73\u884c\u7ebf\uff0c\u5373ID\u4e0eVGS\u6210\u7ebf\u6027\u5173\u7cfb\uff0c\u6545\u53c8\u79f0\u7ebf\u6027\u653e\u5927\u533a\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u2462\u51fb\u7a7f\u533a\uff08\u56fe\u4e2d\u2162\u533a\uff09\u5982\u679cVDS\u7ee7\u7eed\u589e\u52a0\uff0c\u4ee5\u81f3\u8d85\u8fc7\u4e86PN\u7ed3\u6240\u80fd\u627f\u53d7\u7684\u7535\u538b\u800c\u88ab\u51fb\u7a7f\uff0c\u6f0f\u6781\u7535\u6d41ID\u7a81\u7136\u589e\u5927\uff0c\u82e5\u4e0d\u52a0\u9650\u5236\u63aa\u65bd\uff0c\u7ba1\u5b50\u5c31\u4f1a\u70e7\u574f\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30002\u3001\u7edd\u7f18\u6805\u573a\u6548\u5e94\u7ba1<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5b83\u662f\u7531\u91d1\u5c5e\u3001\u6c27\u5316\u7269\u548c\u534a\u5bfc\u4f53\u6240\u7ec4\u6210\uff0c\u6240\u4ee5\u53c8\u79f0\u4e3a\u91d1\u5c5e---\u6c27\u5316\u7269---\u534a\u5bfc\u4f53\u573a\u6548\u5e94\u7ba1\uff0c\u7b80\u79f0MOS\u573a\u6548\u5e94\u7ba1\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\uff081\uff09\u7ed3\u6784\u539f\u7406<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5b83\u7684\u7ed3\u6784\u3001\u7535\u6781\u53ca\u7b26\u53f7\u89c1\u56fe3\u6240\u793a\uff0c\u4ee5\u4e00\u5757P\u578b\u8584\u7845\u7247\u4f5c\u4e3a\u886c\u5e95\uff0c\u5728\u5b83\u4e0a\u9762\u6269\u6563\u4e24\u4e2a\u9ad8\u6742\u8d28\u7684N\u578b\u533a\uff0c\u4f5c\u4e3a\u6e90\u6781S\u548c\u6f0f\u6781D\u3002\u5728\u7845\u7247\u8868\u8986\u76d6\u4e00\u5c42\u7edd\u7f18\u7269\uff0c\u7136\u540e\u518d\u7528\u91d1\u5c5e\u94dd\u5f15\u51fa\u4e00\u4e2a\u7535\u6781G\uff08\u6805\u6781\uff09\u7531\u4e8e\u6805\u6781\u4e0e\u5176\u5b83\u7535\u6781\u7edd\u7f18\uff0c\u6240\u4ee5\u79f0\u4e3a\u7edd\u7f18\u6805\u573a\u9762\u6548\u5e94\u7ba1\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe3\u3001N\u6c9f\u9053\uff08\u8017\u5c3d\u578b\uff09\u7edd\u7f18\u6805\u573a\u6548\u5e94\u7ba1\u7ed3\u6784\u53ca\u7b26\u53f7<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5728\u5236\u9020\u7ba1\u5b50\u65f6\uff0c\u901a\u8fc7\u5de5\u827a\u4f7f\u7edd\u7f18\u5c42\u4e2d\u51fa\u73b0\u5927\u91cf\u6b63\u79bb\u5b50\uff0c\u6545\u5728\u4ea4\u754c\u9762\u7684\u53e6\u4e00\u4fa7\u80fd\u611f\u5e94\u51fa\u8f83\u591a\u7684\u8d1f\u7535\u8377\uff0c\u8fd9\u4e9b\u8d1f\u7535\u8377\u628a\u9ad8\u6e17\u6742\u8d28\u7684N\u533a\u63a5\u901a\uff0c\u5f62\u6210\u4e86\u5bfc\u7535\u6c9f\u9053\uff0c\u5373\u4f7f\u5728VGS=0\u65f6\u4e5f\u6709\u8f83\u5927\u7684\u6f0f\u6781\u7535\u6d41ID\u3002\u5f53\u6805\u6781\u7535\u538b\u6539\u53d8\u65f6\uff0c\u6c9f\u9053\u5185\u88ab\u611f\u5e94\u7684\u7535\u8377\u91cf\u4e5f\u6539\u53d8\uff0c\u5bfc\u7535\u6c9f\u9053\u7684\u5bbd\u7a84\u4e5f\u968f\u4e4b\u800c\u53d8\uff0c\u56e0\u800c\u6f0f\u6781\u7535\u6d41ID\u968f\u7740\u6805\u6781\u7535\u538b\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u573a\u6548\u5e94\u7ba1\u7684\u5f0f\u4f5c\u65b9\u5f0f\u6709\u4e24\u79cd\uff1a\u5f53\u6805\u538b\u4e3a\u96f6\u65f6\u6709\u8f83\u5927\u6f0f\u6781\u7535\u6d41\u7684\u79f0\u4e3a\u8017\u6563\u578b\uff0c\u5f53\u6805\u538b\u4e3a\u96f6\uff0c\u6f0f\u6781\u7535\u6d41\u4e5f\u4e3a\u96f6\uff0c\u5fc5\u987b\u518d\u52a0\u4e00\u5b9a\u7684\u6805\u538b\u4e4b\u540e\u624d\u6709\u6f0f\u6781\u7535\u6d41\u7684\u79f0\u4e3a\u589e\u5f3a\u578b\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\uff082\uff09\u7279\u6027\u66f2\u7ebf<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30001\uff09\u8f6c\u79fb\u7279\u6027\uff08\u6805\u538b----\u6f0f\u6d41\u7279\u6027\uff09<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe4\uff08a\uff09\u7ed9\u51fa\u4e86N\u6c9f\u9053\u8017\u5c3d\u578b\u7edd\u7f18\u6805\u573a\u6548\u5e94\u7ba1\u7684\u8f6c\u79fb\u884c\u6027\u66f2\u7ebf\uff0c\u56fe\u4e2dVp\u4e3a\u5939\u65ad\u7535\u538b\uff08\u6805\u6e90\u622a\u6b62\u7535\u538b\uff09\uff1bIDSS\u4e3a\u9971\u548c\u6f0f\u7535\u6d41\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe4\uff08b\uff09\u7ed9\u51fa\u4e86N\u6c9f\u9053\u589e\u5f3a\u578b\u7edd\u7f18\u6805\u573a\u6548\u7ba1\u7684\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf\uff0c\u56fe\u4e2dVr\u4e3a\u5f00\u542f\u7535\u538b\uff0c\u5f53\u6805\u6781\u7535\u538b\u8d85\u8fc7VT\u65f6\uff0c\u6f0f\u6781\u7535\u6d41\u624d\u5f00\u59cb\u663e\u8457\u589e\u52a0\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30002\uff09\u6f0f\u6781\u7279\u6027\uff08\u8f93\u51fa\u7279\u6027\uff09<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe5\uff08a\uff09\u7ed9\u51fa\u4e86N\u6c9f\u9053\u8017\u5c3d\u578b\u7edd\u7f18\u6805\u573a\u6548\u5e94\u7ba1\u7684\u8f93\u51fa\u7279\u6027\u66f2\u7ebf\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe5(b)\u4e3aN\u6c9f\u9053\u589e\u5f3a\u578b\u7edd\u7f18\u6805\u573a\u6548\u5e94\u7ba1\u7684\u8f93\u51fa\u7279\u6027\u66f2\u7ebf \u3002 <\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe4\u3001N\u6c9f\u9053MOS\u573a\u6548\u7ba1\u7684\u8f6c\u79fb\u7279\u6027\u66f2\u7ebf<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u56fe5\u3001N\u6c9f\u9053MOS\u573a\u6548\u5e94\u7ba1\u7684\u8f93\u51fa\u7279\u6027\u66f2\u7ebf<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u6b64\u5916\u8fd8\u6709N\u886c\u5e95P\u6c9f\u9053\uff08\u89c1\u56fe1\uff09\u7684\u573a\u6548\u5e94\u7ba1\uff0c\u4ea6\u5206\u4e3a\u8017\u5c3d\u578b\u53f7\u589e\u5f3a\u578b\u4e24\u79cd\uff0c<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5404\u79cd\u573a\u6548\u5e94\u5668\u4ef6\u7684\u5206\u7c7b\uff0c\u7535\u538b\u7b26\u53f7\u548c\u4e3b\u8981\u4f0f\u5b89\u7279\u6027\uff08\u8f6c\u79fb\u7279\u6027\u3001\u8f93\u51fa\u7279\u6027\uff09 \u4e8c\u3001\u573a\u6548\u5e94\u7ba1\u7684\u4e3b\u8981\u53c2\u6570 <\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30001\u3001\u5939\u65ad\u7535\u538bVP<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5f53VDS\u4e3a\u67d0\u4e00\u56fa\u5b9a\u6570\u503c\uff0c\u4f7fIDS\u7b49\u4e8e\u67d0\u4e00\u5fae\u5c0f\u7535\u6d41\u65f6\uff0c\u6805\u6781\u4e0a\u6240\u52a0\u7684\u504f\u538bVGS\u5c31\u662f\u5939\u65ad\u7535\u538bVP\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30002\u3001\u9971\u548c\u6f0f\u7535\u6d41IDSS<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5728\u6e90\u3001\u6805\u6781\u77ed\u8def\u6761\u4ef6\u4e0b\uff0c\u6f0f\u6e90\u95f4\u6240\u52a0\u7684\u7535\u538b\u5927\u4e8eVP\u65f6\u7684\u6f0f\u6781\u7535\u6d41\u79f0\u4e3aIDSS\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30003\u3001\u51fb\u7a7f\u7535\u538bBVDS<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u8868\u793a\u6f0f\u3001\u6e90\u6781\u95f4\u6240\u80fd\u627f\u53d7\u7684\u6700\u5927\u7535\u538b\uff0c\u5373\u6f0f\u6781\u9971\u548c\u7535\u6d41\u5f00\u59cb\u4e0a\u5347\u8fdb\u5165\u51fb\u7a7f\u533a\u65f6\u5bf9\u5e94\u7684VDS\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30004\u3001\u76f4\u6d41\u8f93\u5165\u7535\u963bRGS<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5728\u4e00\u5b9a\u7684\u6805\u6e90\u7535\u538b\u4e0b\uff0c\u6805\u3001\u6e90\u4e4b\u95f4\u7684\u76f4\u6d41\u7535\u963b\uff0c\u8fd9\u4e00\u7279\u6027\u6709\u4ee5\u6d41\u8fc7\u6805\u6781\u7684\u7535\u6d41\u6765\u8868\u793a\uff0c\u7ed3\u578b\u573a\u6548\u5e94\u7ba1\u7684RGS\u53ef\u8fbe1000000000\u6b27\u800c\u7edd\u7f18\u6805\u573a\u6548\u5e94\u7ba1\u7684RGS\u53ef\u8d85\u8fc710000000000000\u6b27\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u30005\u3001\u4f4e\u9891\u8de8\u5bfcgm<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u6f0f\u6781\u7535\u6d41\u7684\u5fae\u53d8\u91cf\u4e0e\u5f15\u8d77\u8fd9\u4e2a\u53d8\u5316\u7684\u6805\u6e90\u7535\u538b\u5fae\u6570\u53d8\u91cf\u4e4b\u6bd4\uff0c\u79f0\u4e3a\u8de8\u5bfc\uff0c\u5373<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000gm= \u25b3ID\/\u25b3VGS<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u5b83\u662f\u8861\u91cf\u573a\u6548\u5e94\u7ba1\u6805\u6e90\u7535\u538b\u5bf9\u6f0f\u6781\u7535\u6d41\u63a7\u5236\u80fd\u529b\u7684\u4e00\u4e2a\u53c2\u6570\uff0c\u4e5f\u662f\u8861\u91cf\u653e\u5927\u4f5c\u7528\u7684\u91cd\u8981\u53c2\u6570\uff0c\u6b64\u53c2\u7075\u654f\u5e38\u4ee5\u6805\u6e90\u7535\u538b\u53d8\u53161\u4f0f\u65f6\uff0c\u6f0f\u6781\u76f8\u5e94\u53d8\u5316\u591a\u5c11\u5fae\u5b89\uff08μA\/V\uff09\u6216\u6beb\u5b89\uff08mA\/V\uff09\u6765\u8868\u793a <\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000-------------------------------------------------------------------------------------------<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u91d1\u5c5e\u6c27\u5316\u7269\u534a\u5bfc\u4f53\u573a\u6548\u5e94\u4e09\u6781\u7ba1\u7684\u57fa\u672c\u5de5\u4f5c\u539f\u7406\u662f\u9760\u534a\u5bfc\u4f53\u8868\u9762\u7684\u7535\u573a\u6548\u5e94\uff0c\u5728\u534a\u5bfc\u4f53\u4e2d\u611f\u751f\u51fa\u5bfc\u7535\u6c9f\u9053\u6765\u8fdb\u884c\u5de5\u4f5c\u7684\u3002\u5f53\u6805 g \u7535\u538bvg \u589e\u5927\u65f6\uff0c p \u578b\u534a\u5bfc\u4f53\u8868\u9762\u7684\u591a\u6570\u8f7d\u6d41\u5b50\u67a3\u7a7a\u7a74\u51cf\u5c11\u3001\u8017\u5c3d\uff0c\u800c\u7535\u5b50\u79ef\u7d2f\u5230\u53cd\u578b\u3002\u5f53\u8868\u9762\u8fbe\u5230\u53cd\u578b\u65f6\uff0c\u7535\u5b50\u79ef\u7d2f\u5c42\u5c06\u5728 n+ \u6e90\u533a s \u548c n+ \u6f0f\u533a d \u5f62\u6210\u5bfc\u7535\u6c9f\u9053\u3002\u5f53 vds ≠ 0 \u65f6\uff0c\u6e90\u6f0f\u7535\u6781\u6709\u8f83\u5927\u7684\u7535\u6d41ids\u6d41\u8fc7\u3002\u4f7f\u534a\u5bfc\u4f53\u8868\u9762\u8fbe\u5230\u5f3a\u53cd\u578b\u65f6\u6240\u9700\u52a0\u7684\u6805\u6e90\u7535\u538b\u79f0\u4e3a\u9608\u503c\u7535\u538bvt\u3002\u5f53 vgs>vt\u5e76\u53d6\u4e0d\u540c\u6570\u503c\u65f6\uff0c\u53cd\u578b\u5c42\u7684\u5bfc\u7535\u80fd\u529b\u5c06\u6539\u53d8\uff0c\u5728\u7684vds\u4e0b\u4e5f\u5c06\u4ea7\u751f\u4e0d\u540c\u7684ids, \u5b9e\u73b0\u6805\u6e90\u7535\u538bvgs\u5bf9\u6e90\u6f0f\u7535\u6d41ids\u7684\u63a7\u5236\u3002<\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u573a\u6548\u5e94\u7ba1\uff08fet\uff09\u662f\u7535\u573a\u6548\u5e94\u63a7\u5236\u7535\u6d41\u5927\u5c0f\u7684\u5355\u6781\u578b\u534a\u5bfc\u4f53\u5668\u4ef6\u3002\u5728\u5176\u8f93\u5165\u7aef\u57fa\u672c\u4e0d\u53d6\u7535\u6d41\u6216\u7535\u6d41\u6781\u5c0f\uff0c\u5177\u6709\u8f93\u5165\u963b\u6297\u9ad8\u3001\u566a\u58f0\u4f4e\u3001\u70ed\u7a33\u5b9a\u6027\u597d\u3001\u5236\u9020\u5de5\u827a\u7b80\u5355\u7b49\u7279\u70b9\uff0c\u5728\u5927\u89c4\u6a21\u548c\u8d85\u5927\u89c4\u6a21\u96c6\u6210\u7535\u8def\u4e2d\u88ab\u5e94\u7528\u3002 <\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000fet\u548c\u53cc\u6781\u578b\u4e09\u6781\u7ba1\u76f8\u7c7b\u4f3c\uff0c\u7535\u6781\u5bf9\u5e94\u5173\u7cfb\u662fb&reg;g\u3001e&reg;s\u3001c&reg;d\uff1b\u7531fet\u7ec4\u6210\u7684\u653e\u5927\u7535\u8def\u4e5f\u548c\u4e09\u6781\u7ba1\u653e\u5927\u7535\u8def\u76f8\u7c7b\u4f3c\uff0c\u4e09\u6781\u7ba1\u653e\u5927\u7535\u8def\u57fa\u6781\u56de\u8def\u4e00\u4e2a\u504f\u7f6e\u7535\u6d41(\u504f\u6d41)\uff0c\u800cfet\u653e\u5927\u7535\u8def\u7684\u573a\u6548\u5e94\u7ba1\u6805\u6781\u6ca1\u6709\u7535\u6d41\uff0cfet\u653e\u5927\u7535\u8def\u7684\u6805\u6781\u56de\u8def\u4e00\u4e2a\u5408\u9002\u7684\u504f\u7f6e\u7535\u538b(\u504f\u538b)\u3002 <\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000fet\u7ec4\u6210\u7684\u653e\u5927\u7535\u8def\u548c\u4e09\u6781\u7ba1\u653e\u5927\u7535\u8def\u7684\u4e3b\u8981\u533a\u522b\uff1a\u573a\u6548\u5e94\u7ba1\u662f\u7535\u538b\u63a7\u5236\u578b\u5668\u4ef6\uff0c\u9760\u6805\u6e90\u7684\u7535\u538b\u53d8\u5316\u6765\u63a7\u5236\u6f0f\u6781\u7535\u6d41\u7684\u53d8\u5316\uff0c\u653e\u5927\u4f5c\u7528\u4ee5\u8de8\u5bfc\u6765\uff1b\u4e09\u6781\u7ba1\u662f\u7535\u6d41\u63a7\u5236\u578b\u5668\u4ef6\uff0c\u9760\u57fa\u6781\u7535\u6d41\u7684\u53d8\u5316\u6765\u63a7\u5236\u96c6\u7535\u6781\u7535\u6d41\u7684\u53d8\u5316\uff0c\u653e\u5927\u4f5c\u7528\u7531\u7535\u6d41\u653e\u5927\u500d\u6570\u6765\u3002 <\/span><\/span><\/span>
<\/p>\n

\n\t <\/div>\n

\u3000\u3000\u573a\u6548\u5e94\u7ba1\u653e\u5927\u7535\u8def\u5206\u4e3a\u5171\u6e90\u3001\u5171\u6f0f\u3001\u5171\u6805\u6781\u4e09\u79cd\u7ec4\u6001\u3002\u5728\u5206\u6790\u4e09\u79cd\u7ec4\u6001\u65f6\uff0c\u53ef\u4e0e\u53cc\u6781\u578b\u4e09\u6781\u7ba1\u7684\u5171\u5c04\u3001\u5171\u96c6\u3001\u5171\u57fa\u5bf9\u7167\uff0c\u4f53\u4f1a\u4e8c\u8005\u95f4\u7684\u76f8\u4f3c\u4e0e\u533a\u522b\u4e4b\u5904\u3002<\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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