PL2.16: Why are the drain currents of transistors M1 and M2 in the current mirror pair unequal? Choose from one of the following:

Question

PL2.16:  Why are the drain currents of transistors M1 and M2 in the current mirror pair unequal? Choose from one of the following:

Answer

The current mirror has been wired incorrectly

Answer

None of the above

Answer

M1 and M2 don't have identical channel lengths in simulation

Answer

The output impedance of M1 and M2 are not matched

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