A CG amplifier is specified to have Cgs=2pF, Cgd=0.1 pF, CL=2 pF, gm=4 mA/V, Rsig = 1k-ohm, and R'L = 20 k-ohm. Neglecting the effects of ro, find the low-frequency gain vo/vsig, the frequencies of the poles fP1 and fP2, and hence an estimate of the 3-dB frequency fH.