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Step 1 of 2 5.012P N-channel and P-channel devices have same width, equal channel length, and equal drain current and equal over drive voltages. Write the expression for drain current for P-channel device operates in saturation mode. Here, mobility of hole is Substitute for in the equation. (1) Write the expression for drain current for N-channel device operates in saturation mode. (2) Step 2 of 2 Divide equation (1) with (2) as follows: 0.4 Here, the width of N-channel is 0.4 times the width of P-channel. Thus, the relative width of the n-channel and p-channel devices is

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