[理工] 电子学问题

楼主: Jlee5566 (Lucy)   2015-01-08 00:48:05
http://i.imgur.com/RFImiYa.jpg
http://i.imgur.com/UGyRvoJ.jpg
第六题
我只看得出是大讯号分析
可是解题没有头绪
求指点.....谢谢
作者: peter11414 (Pan)   2015-01-08 14:58:00
Gain是gmVi gm要最大 Ic要最大 Vce sat = 0 所以Vo=0
作者: cebelas (DD_cebelas)   2015-01-11 23:08:00
gain = gm RD = Ic/Vt * RD = IcRD /Vt =Vcc/Vt更正上面 RD => R

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