Figure 811
for the Circuit Shown in Fig $Q_{1}$ And $Q_{2}$ Are Perfectly Matched, And

Figure 8.1.1
For the circuit shown in Fig. 8.1.1, assume $Q_{1}$ and $Q_{2}$ are perfectly matched, and $Q_{3}, Q_{4}$ , and $Q_{5}$ are perfectly matched. Also, assume all transistors have very high $\beta$ and $V_{A}$ . Find $V_{1}, I$ , and $V_{2}$ .