Figure P7.31 shows how the feedback triple, fi rst introduced in Fig. 7.23, can be confi gured for shunt-series feedback operation. Assuming R3 5 1.0 kV, R2 5 3.0 kV, and R1 5 R4 5 R5 5 10 kV, along...

Figure P7.31 shows how the feedback triple, fi rst introduced in Fig. 7.23, can be confi gured for shunt-series feedback operation. Assuming R3 5 1.0 kV, R2 5 3.0 kV, and R1 5 R4 5 R5 5 10 kV, along with gm 5 1y(25 V), 5 5 kV, and ro 5 ` for all BJTs, estimate Ri , Ro, and the unloaded gain Asc 5 ioyii .