Collector Feedback Configuration 5.10 29. For the collector feedback configuration of Fig. 5.167: a. Determine r b. Find Z, and Z c. Calculate Ay 19 for the network of Fig. 5.168, deter- 30. Given r,10 , B 200, A, =-160, and A mine Rc, RF, and Vcc *31. For the network of Fig. 5.49 a. Derive the approximate equation for A b. Derive the approximate equations for Z, and Zp c. Given Rc2.2 kn, R the magnitudes of Ap, Z, and Z, using the equations of parts (a) and (b). 120 kn, RE 90, and Vcc 1.2 kn, B 10 V, calculate 12 V Vc 3.9 k Ro 220 k ww R ww Ht H 100 B-200 80 k2 B-120 40 kQ RA3 FIG. 5.167 FIG. 5.168 DC11