Chapter 5, Problem D5.71P

Design the circuit in Figure P5.70 to be bias stable and to provide nominal Q-point values of $I_{CQ}=0.5\text{mA}$ and $V_{ECQ}=8\text{V}$ . Let $\beta =60$ . The maximum current in $R_1$ and $R_2$ is to be limited to $40\mu \text{A}$ .