习题2-22 P109RguIVGGRsIDuOVDDUGS(th)=2VIDO=2mAVDD=20VVGG=4VRs=4.7k?Rg=1M?UGSQ?VGG?IDQRs2?UGSQ?IDQ?0.27mAIDQ?IDO??1??U??GS(th)?2gm?IDOIDQ?0.735mSUGS(th)微变等效电路GSRSUGSQ?2.73VuI&gmUgsDuo&?gU&RUomgss&?U&?U&?(1?gR)U&Uigsomsgs&UgmRso?Au???0.776&Ui1?gmRsUGS(th)=2VIDO=2mAVDD=20VVGG=4VRs=4.7k?Rg=1M?习题2-23 P109Rb1C1Rc1VT1VCC?UBEQ解:①设UBEQ1=UBEQ2=0.7,?IBQ1?RbICQ1??1IBQ1?2mA?0.04mARc2+VCCVT2Re2uIuO设IBQ2<
模拟电子技术基础简明教程 第三版 习题答案
习题2-22P109RguIVGGRsIDuOVDDUGS(th)=2VIDO=2mAVDD=20VVGG=4VRs=4.7k?Rg=1M?UGSQ?VGG?IDQRs2?UGSQ?IDQ?0.27mAIDQ?IDO??1??U??GS(th)?2gm?IDOIDQ?0.735mSUGS(th)微变等效电路GSRSUGSQ?2.73VuI&gmUgsDuo&?gU&RUomgss&?U&?
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