D 13.40 Design the circuit in Fig. 13.14 to generate a current I = 5 µA. Utilize transistors Q1 and Q2 having areas in a ratio of 1:4. Assume that Q3 and Q4 are matched and design for a 0.2-V drop across each of R3 and R4. Specify the values of R2, R3, and R4. Ignore base currents.
6.93 k; 40 k; 40 k
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