Through a processing imperfection, the of Q4 in Fig. 13.14 is reduced to 10, while the

Chapter 13, Problem 13.55

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Through a processing imperfection, the of Q4 in Fig. 13.14 is reduced to 10, while the of Q3 remains at its regular value of 50. Assuming that the collector current of Q3 remains unchanged at 9.5 A, find the net output dc current of the Q5 Q6 mirror, and hence find also the input offset voltage that this mismatch introduces.

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