Design the bias circuit of Fig. 13.8 to operate with the CMOS op amp of Example 9.6. Use
Chapter 13, Problem 13.8(choose chapter or problem)
Design the bias circuit of Fig. 13.8 to operate with the CMOS op amp of Example 9.6. Use Q8 and Q9 as identical devices with Q8 having the dimensions given in Example 9.6. Transistors Q10, Q11, and Q13 are to be identical, with the same gm as Q8 and Q9. Transistor Q12 is to be four times as wide as Q13. Find the required value of RB. What is the voltage drop across RB? Also give the values of the dc voltages at the gates of Q12, Q10, and Q8.
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