Consider the telescopic op amp designed in Example 9.5 and repeated in Fig. 9.43 with bias current mirrors.

Consider the telescopic op amp designed in Example 9.5 and repeated in Fig. 9.43 with bias current mirrors. Suppose  suffers from a 1% current mismatch with respect to , producing  mA rather than 3 mA. Assuming perfect matching for other transistors, explain what happens in the circuit.

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Consider the telescopic op amp designed in Example 9.5 and repeated in Fig. 9.43 with bias current mirrors.
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Example 9.5

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For the circuit of Fig. 9.9, explain in which region each transistor operates as  varies from below  to above .

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