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gm\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n
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(2)\u5f53VGS-VTH=constant\u65f6\uff0cgm\u4e0eID\u6210\u6b63\u6bd4;ID\u53d8\u5927\u65f6\uff0c\u4e3a\u4e86\u4f7f\u5f97\u7b49\u5f0f\u4f9d\u7136\u6210\u7acb\uff0c\u5219\u9700\u8981\u63d0\u9ad8W\/L\u7684\u503c\u3002<\/p>\n
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(1) \u7ed9\u7535\u8def\u65bd\u52a0\u5408\u9002\u7684\u504f\u7f6e;<\/p>\n
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\u6bd4\u5982\u4e0a\u9762\uff0c\u5148\u4f7f\u5f97Vo-->Vo+\u25b3V\uff0c<\/p>\n
(3) \u8ba1\u7b97\u7535\u6d41\u7684\u53d8\u5316<\/p>\n
\u6bd4\u5982\u4e0a\u9762\uff0cID-->ID+gm*\u25b3V<\/p>\n
(4)\u7528\u5408\u9002\u7684\u7535\u8def\u6a21\u578b\u6765\u6a21\u62df<\/u>\u8fd9\u79cd\u53d8\u5316\uff0c\u6bd4\u5982\u8bf4\u7528\u7535\u963b\uff0c\u7535\u538b\u6e90\uff0c\u7535\u6d41\u6e90\u7b49\u3002<\/p>\n
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