
1.48 Consider the voltage-amplifier circuit model shown in Fig. 1.16(b), in which Avo = 100 V/V under the following conditions: (a)Ri = 10Rs, RL = 10Ro (b)Ri = Rs, RL = Ro (c)Ri = Rs/10, RL = Ro/10 Calculate the overall voltage gain vo/vs in each case, expressed both directly and in decibels.
1.48 Consider the voltage-amplifier circuit model shown in Fig. 1.16(b), in which Avo = 100 V/V under the following conditions: (a)Ri = 10Rs, RL = 10Ro (b)Ri = Rs, RL = Ro (c)Ri = Rs/10, RL = Ro/10 Calculate the overall voltage gain vo/vs in each case, expressed both directly and in decibels.