8.3 Voltage-Divider Bias 4. For the network of Fig. 8.67: (a) Determine re. (b) Calculate Z, and Zo (c) Find A, and A, (d) Repeat parts (b) and (c) with r. = 25 kn. Vcc = 16 V 139 3.9 la HH 1 F B=100 1.2 % Zo = 50 + IuF VOH 4.7 5.6 Figure 8.67 Problem 4 Figure 8.68 Problem 5 5. Determine Vcc for the network of Fig. 8.68 if A, - -160 and r. 100 kn. 10 F ww VH Cc 82 www m 3.3 Vec Hov Cc B=100 1=05 1 km2 HH CE