{"id":2665,"date":"2019-06-19T06:54:25","date_gmt":"2019-06-19T06:54:25","guid":{"rendered":""},"modified":"2019-06-19T14:55:24","modified_gmt":"2019-06-19T06:55:24","slug":"%e5%9c%ba%e6%95%88%e5%ba%94%e7%ae%a1%e6%9c%89%e5%93%aa%e4%ba%9b%e5%9f%ba%e6%9c%ac%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2665","title":{"rendered":"\u573a\u6548\u5e94\u7ba1\u6709\u54ea\u4e9b\u57fa\u672c\u53c2\u6570\uff1f"},"content":{"rendered":"
\n\t\uff081\uff09\u573a\u6548\u5e94\u7ba1\u7684\u57fa\u672c\u53c2\u6570<\/p>\n
\n\t\u2460\u5939\u65ad\u7535\u538bUP \u4e5f\u79f0\u622a\u6b62\u6805\u538bUGS\uff08OFF\uff09\uff0c\u662f\u5728\u8017\u5c3d\u578b\u7ed3\u578b\u573a\u6548\u5e94\u7ba1\u6216\u8017\u5c3d\u578b\u7edd\u7f18\u6805\u578b\u573a\u6548\u5e94\u7ba1\u6e90\u6781\u63a5\u5730\u7684\u60c5\u51b5\u4e0b\uff0c\u80fd\u4f7f\u5176\u6f0f\u6e90\u8f93\u51fa\u7535\u6d41<\/u>\u51cf\u5c0f\u5230\u96f6\u65f6\u6240\u9700\u7684\u6805\u6e90\u7535\u538bUGS\u3002<\/p>\n \n\t\u2461\u5f00\u542f\u7535\u538bUT \u4e5f\u79f0\u9600\u7535\u538b\uff0c\u662f\u589e\u5f3a\u578b\u7edd\u7f18\u6805\u578b\u573a\u6548\u5e94\u7ba1\u5728\u6f0f\u6e90\u7535\u538bUDS\u4e3a\u4e00\u5b9a\u503c\u65f6\uff0c\u80fd\u4f7f\u5176\u6f0f\u3001\u6e90\u6781\u5f00\u59cb\u5bfc\u901a\u7684\u6700\u5c0f\u6805\u6e90\u7535\u538bUGS\u3002<\/p>\n \n\t\u2462\u9971\u548c\u6f0f\u7535\u6d41IDSS \u662f\u8017\u5c3d\u578b\u573a\u6548\u5e94\u7ba1\u5728\u96f6\u504f\u538b\uff08\u5373\u6805\u6e90\u7535\u538bUGS\u4e3a\u96f6\uff09\u3001\u6f0f\u6e90\u7535\u538bUDS\u5927\u4e8e\u5939\u65ad\u7535\u538bUp\u65f6\u7684\u6f0f\u6781\u7535\u6d41\u3002<\/p>\n \n\t\u2463\u51fb\u7a7f<\/u>\u7535\u538bBUDS\u548cBUGS<\/p>\n \n\ta\uff0e\u6f0f\u6e90\u51fb\u7a7f\u7535\u538bBUDS\u3002\u4e5f\u79f0\u6f0f\u6e90\u8010\u538b\u503c\uff0c\u662f\u5f53\u573a\u6548\u5e94\u7ba1\u7684\u6f0f\u6e90\u7535\u538bUDS\u589e\u5927\u5230\u4e00\u5b9a\u6570\u503c\u65f6\uff0c\u4f7f\u6f0f\u6781\u7535\u6d41ID\u7a81\u7136\u589e\u5927\u4e14\u4e0d\u53d7\u6805\u6781\u7535\u538b\u63a7\u5236\u65f6\u7684\u6700\u5927\u6f0f\u6e90\u7535\u538b\u3002<\/p>\n \n\tb\uff0e\u6805\u6e90\u51fb\u7a7f\u7535\u538bBUGS\u3002\u662f\u573a\u6548\u5e94\u7ba1\u7684\u6805\u3001\u6e90\u6781\u4e4b\u95f4\u80fd\u627f\u53d7\u7684\u6700\u5927\u4e0a\u4f5c\u7535\u538b\u3002<\/p>\n \n\t\u2464\u8017\u6563\u529f\u7387PD \u4e5f\u79f0\u6f0f\u6781\u8017\u6563\u529f\u7387\uff0c\u8be5\u503c\u7ea6\u7b49\u4e8e\u6f0f\u6e90\u7535\u538bUDS\u4e0e\u6f0f\u6781\u7535\u6d41ID\u7684\u4e58\u79ef\u3002<\/p>\n \n\t\u2465\u6f0f\u6cc4\u7535\u6d41IGSS \u662f\u573a\u6548\u5e94\u7ba1\u7684\u6805—\u6c9f\u9053\u7ed3\u65bd\u52a0\u53cd\u5411\u504f\u538b\u65f6\u4ea7\u751f\u7684\u53cd\u5411\u7535\u6d41\u3002<\/p>\n \n\t\u2466\u76f4\u6d41\u8f93\u5165\u7535\u963b<\/u>RGS \u4e5f\u79f0\u6805\u6e90\u7edd\u7f18\u7535\u963b\uff0c\u662f\u573a\u6548\u5e94\u7ba1\u6805—\u6c9f\u9053\u5728\u53cd\u504f\u7535\u538b\u4f5c\u7528\u4e0b\u7684\u7535\u963b\u503c\uff0c\u7ea6\u7b49\u4e8e\u6805\u6e90\u7535\u538bUGS\u4e0e\u6805\u6781\u7535\u6d41\u7684\u6bd4\u503c\u3002<\/p>\n \n\t\u2467\u6f0f\u6e90\u52a8\u6001\u7535\u963bRDS \u662f\u6f0f\u6e90\u7535\u538bUDS\u7684\u53d8\u5316\u91cf\u4e0e\u6f0f\u6781\u7535\u6d41ID\u7684\u53d8\u5316\u91cf\u4e4b\u6bd4\uff0c\u4e00\u822c\u4e3a\u6570\u5343\u6b27\u4ee5\u4e0a\u3002<\/p>\n \n\t\u2468\u4f4e\u9891\u8de8\u5bfcgm \u4e5f\u79f0\u653e\u5927\u7279\u6027\uff0c\u662f\u6805\u6781\u7535\u538bUG\u5bf9\u6f0f\u6781\u7535\u6d41ID\u7684\u63a7\u5236\u80fd\u529b\uff0c\u7c7b\u4f3c\u4e8e\u4e09\u6781\u7ba1<\/u>\u7684\u7535\u6d41\u653e\u5927\u500d\u6570β\u503c\u3002<\/p>\n \n\t\u2469\u6781\u95f4\u7535\u5bb9<\/u> \u662f\u573a\u6548\u5e94\u7ba1\u5404\u6781\u4e4b\u95f4\u5206\u5e03\u7535\u5bb9\u5f62\u6210\u7684\u6742\u6563\u7535\u5bb9\u3002\u6805\u6e90\u6781\u7535\u5bb9\uff08\u8f93\u5165\u7535\u5bb9\uff09CGS\u548c\u6805\u6f0f\u6781\u7535\u5bb9cGD\u7684\u7535\u5bb9\u91cf\u4e3a1~3pF\uff0c\u6f0f\u6e90\u6781\u7535\u5bb9CDS\u7684\u7535\u5bb9\u91cf\u4e3a0.1~1pF\u3002<\/p>\n \n\t<\/p>\n \n\t1\uff0e\u5f00\u542f\u7535\u538bUT \uff08MOSFET<\/u>\uff09<\/p>\n \n\t\u901a\u5e38\u5c06\u521a\u521a\u5f62\u6210\u5bfc\u7535\u6c9f\u9053\u3001\u51fa\u73b0\u6f0f\u6781\u7535\u6d41ID\u65f6\u5bf9\u5e94\u7684\u6805\u4e00\u6e90\u7535\u538b\u79f0\u4e3a\u5f00\u542f\u7535\u538b\uff0c\u7528UGS\uff08th\uff09\u6216UT\u8868\u793a\u3002<\/p>\n \n\t\u5f00\u542f\u7535\u538bUT\u662fMOS\u589e\u5f3a\u578b\u7ba1\u7684\u53c2\u6570\u3002\u5f53\u6805\u4e00\u6e90\u7535\u538bUGS\u5c0f\u4e8e\u5f00\u542f\u7535\u538b\u7684\u7edd\u5bf9\u503c\u65f6\uff0c\u573a\u6548\u5e94\u7ba1\u4e0d\u80fd\u5bfc\u901a\u3002<\/p>\n \n\t2\uff0e\u5939\u65ad\u7535\u538bUP \uff08JFET\uff09<\/p>\n \n\t\u5f53UDS\u4e3a\u67d0\u4e00\u56fa\u5b9a\u503c\uff08\u598210V\uff09\uff0c\u4f7fID\u7b49\u4e8e\u67d0\u4e00\u5fae\u5c0f\u7535\u6d41\uff08\u598250mA\uff09\u65f6\uff0c\u6805\u4e00\u6e90\u6781\u95f4\u52a0\u7684\u7535\u538b\u5373\u4e3a\u5939\u65ad\u7535\u538b\u3002\u5f53UGS\uff1dUP\u65f6\uff0c\u6f0f\u6781\u7535\u6d41\u4e3a\u96f6\u3002<\/p>\n \n\t3\uff0e\u9971\u548c\u6f0f\u6781\u7535\u6d41IDSS \uff08JFET\uff09<\/p>\n \n\t\u9971\u548c\u6f0f\u6781\u7535\u6d41IDSS\u662f\u5728UGS =0\u7684\u6761\u4ef6\u4e0b\uff0c\u573a\u6548\u5e94\u7ba1\u53d1\u751f\u9884\u5939\u65ad\u65f6\u7684\u6f0f\u6781\u7535\u6d41\u3002IDSS\u578b\u573a\u6548\u5e94\u7ba1\u6240\u80fd\u8f93\u51fa\u7684\u6700\u5927\u7535\u6d41\u3002<\/p>\n \n\t4\uff0e\u76f4\u6d41\u8f93\u5165\u7535\u963bRGS<\/p>\n \n\t\u76f4\u6d41\u8f93\u5165\u7535\u963bRGS\u662f\u6f0f\u4e00\u6e90\u77ed\u8def<\/u>\uff0c\u6805\u4e00\u6e90\u52a0\u7535\u538b\u65f6\u6805\u4e00\u6e90\u6781 \u4e4b\u95f4\u7684\u76f4\u6d41\u7535\u963b\u3002<\/p>\n \n\t\u7ed3\u578b\u573a\u6548\u5e94\u7ba1\uff1aRGS\u300b107ΩMOS\u7ba1\uff1aRGS\u300b109\uff5e1015Ω\u3002<\/p>\n \n\t5\uff0e\u8de8\u5bfcGm<\/p>\n \n\t\u6f0f\u6781\u7535\u6d41\u7684\u5fae\u53d8\u91cf\u4e0e\u6805\u4e00\u6e90\u7535\u538b\u5fae\u53d8\u91cf\u4e4b\u6bd4\uff0c\u5373gm\uff1d\u25b3ID\/\u25b3UGS\u3002\u5b83\u662f\u8861\u91cf\u573a\u6548\u5e94\u7ba1\u6805\u4e00\u6e90\u7535\u538b\u5bf9\u6f0f\u6781\u7535\u6d41\u63a7\u5236\u80fd\u529b\u7684\u4e00\u4e2a\u53c2\u6570\u3002gm\u76f8\u5f53\u4e8e\u4e09\u6781\u7ba1\u7684hFE\u3002<\/p>\n \n\t6\uff0e\u6700\u5927\u6f0f\u6781\u529f\u8017<\/p>\n \n\t\u6700\u5927\u6f0f\u6781\u529f\u8017PD\uff1dUDSI<\/u>D\uff0c\u76f8\u5f53\u4e8e\u4e09\u6781\u7ba1\u7684PCM\u3002<\/p>\n \n\t\u90e8\u5206\u7ed3\u578b\u573a\u6548\u5e94\u6676\u4f53\u7ba1<\/u>\u7684\u4e3b\u8981\u53c2\u6570\u89c1\u88683-9\u3002\u90e8\u5206N\u6c9f\u9053\u8017\u5c3d\u578bMOS\u573a\u6548\u5e94\u6676\u4f53<\/u>\u7ba1\u7684\u4e3b\u8981\u53c2\u6570\u89c1\u88683-10\u3002\u90e8\u5206\u589e\u5f3a\u578bMOS\u573a\u6548\u5e94\u6676\u4f53\u7ba1\u7684\u4e3b\u8981\u53c2\u6570\u89c1\u88683-11\u3002<\/p>\n \n\t<\/p>\n \n\t<\/p>\n \n\t<\/p>\n","protected":false},"excerpt":{"rendered":" \u573a\u6548\u5e94\u7ba1 \u6709\u54ea\u4e9b\u57fa\u672c\u53c2\u6570\uff1f \uff081\uff09\u573a\u6548\u5e94\u7ba1\u7684\u57fa\u672c\u53c2\u6570 \u2460\u5939\u65ad\u7535\u538bUP \u4e5f\u79f0\u622a\u6b62\u6805\u538bUGS\uff08OFF\uff09\uff0c\u662f\u5728\u8017\u5c3d\u578b\u7ed3\u578b\u573a\u6548\u5e94\u7ba1\u6216\u8017\u5c3d\u578b\u7edd\u7f18\u6805\u578b\u573a\u6548\u5e94\u7ba1\u6e90\u6781\u63a5\u5730\u7684\u60c5\u51b5\u4e0b\uff0c\u80fd\u4f7f\u5176\u6f0f\u6e90\u8f93\u51fa<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2665"}],"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=2665"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2665\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2665"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n\t\u573a\u6548\u5e94\u7ba1\u7684\u4e3b\u8981\u53c2\u6570<\/h2>\n