Design the circuit in Figure P5.70 to be bias stable and to provide nominal (Q)-point values of

Question:

Design the circuit in Figure P5.70 to be bias stable and to provide nominal $Q$-point values of $I_{C Q}=0.5 \mathrm{~mA}$ and $V_{E C Q}=8 \mathrm{~V}$. Let $\beta=60$. The maximum current in $R_{1}$ and $R_{2}$ is to be limited to $40 \mu \mathrm{A}$.

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