EE 330 HW 2 Solutions Spring 2012

EE 330 HW 2 Solutions Spring 2012 - HW2 solution Problem 1....

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HW2 solution Problem 1. Extrapolating the data from Figure 1.4, predict the transistor count of a microprocessor in 2016. Solution 6 to 12 billion Problem 2. Sketch a transistor-level schematic for CMOS 4-input NOR gate. Solution A B C D A B C D Y Problem 3. Assume a 12” wafer costs $1800. If the defect density on this wafer is 1.4/cm2, determine the cost per good die if the die is square with a side dimension of 4mm. Solution 2 0.4 0.4 0.16 die A cm cm cm / 4560 die wafer die n A A  0.7993 Ad Ye $1800/ (4560* ) $0.49 die cY
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Problem 5. If an amplifier has a specified offset voltage of 3mV (that is, |VOS|<3mV), determine the soft yield if the standard deviation of the offset voltage is 2mV and the mean is 0V. Assume the distribution of the offset voltage is Gaussian. Solution 3 1.5 2 mV z mV  From z-table: F N (1.5) = .9332 2 .9332 1 .8664 yield p     Problem 6 Assume the offset voltage of an operational amplifier is a random variable and that the
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EE 330 HW 2 Solutions Spring 2012 - HW2 solution Problem 1....

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