3. (20 points) Design the bipolar cascode amplifier of Fig. 3 with the following specifications: B = 300, Ic = 2 mA, V₁₁ = 4 V (voltage node), |A₂| = Rc

= 5, and Vcc = 7 V. Choose VÂ1 - VB2 = RE 1.5 V.