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3 (39 points): A discrete MOSFET amplifier shown in the following figure has RGI= RG2-4MQ2, gm-6mA/V, Rsig=10KS, R=1KQ, RD=6KQ, RL=6KQ, Cc1=0.1F, C-20F, Cc2=5F, Cgs=5pF, C-lpF.
3 (39 points): A discrete MOSFET amplifier shown in the following figure has RGI= RG2-4MQ2, gm-6mA/V, Rsig=10KS, R=1KQ, RD=6KQ, RL=6KQ, Cc1=0.1F, C-20F, Cc2=5F, Cgs=5pF, C-lpF. (24points) Calculate fpi(Cci causes pole frequency), fp2 (Cs causes pole frequency), fp3 (Cc2 causes pole frequency), and fi( lower end of the midband) (15points) Calculate the upper 3-dB frequency fu DD Rp Ca RGI Ca R www RG Rs Cs
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