454Fall07HW2

454Fall07HW2 - Please draw the energy band diagrams and...

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ECEN 454 Digital Integrated Circuit Design Fall 2007 Homework 2 Due on September 21, Friday 1. (10 points) In the textbook and the lecture notes, three cases of external bias for MOS structure with P-type substrate are described: accumulation, depletion and inversion. Please describe these three cases for MOS with N-type substrate.
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Unformatted text preview: Please draw the energy band diagrams and provide corresponding justifications. 2. (5 points) Problem 3.9 of the textbook. 3. (5 points) For the circuit given in problem 3.11 of the textbook, determine the regions of operation for the two transistors. You should explain how you reach the conclusions youve made....
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