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341f10hw3a - Problem 5.22 with some changes in chapter 5 p...

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ELEG 341 - Solid State Electronics II Fall 2010 Homework #3 - due Monday, 27 September 2010, in class 1. Problem 5.14 in chapter 5, p. 243 of Streetman & Banerjee (6th edition). Hints: (a) here “junction capacitance” means depletion capacitance; (b) for avalanche breakdown, assume a critical electric field and voltage given in Figure 5-22. 2. Problem 5.16 in chapter 5, p. 244 of Streetman & Banerjee (6th edition). Note that this question has two parts: one for a reverse bias of 100 V; and the second for a forward current of 20 mA. Hint, for the forward current, note that on the p-side, far from the depletion width, there is negligible electron diffusion, only hole drift, which is due to an electric field… 3. Problem 5.17, part (a) only in chapter 5, p. 244 of Streetman & Banerjee (6th edition). 4.
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Unformatted text preview: Problem 5.22, with some changes, in chapter 5, p. 245 of Streetman & Banerjee (6th edition). Instead of at 600 K, do this problem at 300 K, near room temperature. (a) sketch the band diagram from left to right in thermal equilibrium, showing E F , E C , E V , and E i . (b) from the dopings, and the 300 K value of n i , determine the value of [E F – E i ] on each side. (c) from your results, estimate the value of built in voltage - hint, the equation with NA, ND will not work, of course. 5. Problem 5.31, part (a) only in chapter 5, p. 246 of Streetman & Banerjee (6th edition). Homework assignments will appear on the web at: http://www.ece.udel.edu/~kolodzey/courses/eleg341f10.html Note: On each homework and report submission, please give your name, the due date, assignment number and the course number....
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