5V Vc CE2 P1- B=150 and |VBE =0.6V are given for the transistors in Figure-la (VT=25mV) a) Vo=0V is required for Vi-0V. Find Ic, Icz and Rc2. (Transistors are in the active mode) RE2 1k Rc1 1k Vot Vi T1 VBE1-0.6V |VBE2-0.6V Br2=150 0- BrF150 b)Figure-lb shows simplified ac model of the circuit. Find ri, Gv and ro. CE1 Rc2 RE1 2.2k -5V VEE c) An ac voltage source Vg that has a serial resistance Rg of 1k, is connected to the input of the circuit and a load resistance Ry of 2.2k to the output. Find ac gain vo/vg. Figure-la Vo + GyVi Figure-lb