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341f10hw10f_revised

# 341f10hw10f_revised - Only make the sketches of p(x in the...

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ELEG 341 - Solid State Electronics II Fall 2010 Homework #10 - due Tuesday, 16 November 2010, end of day 1. Problem 7.6 (a) only in chapter 7, p. 392 of Streetman & Banerjee (6th edition). Hints: make reasonable assumptions about the relative size of parameters, such that α , γ , and B 1, and that the hyperbolic functions can be approximated by one or two terms. Then obtain the γ -B product to get α , and α /(1- α ) 1/(1- α ) to get β . With these first order approximations, the result for β (or 1/ β if simpler) should just have the ratios of doping, and lengths, which then can be used to estimate the effects of increasing or decreasing the parameters. 2. Problem 7.7 (sketches only) in chapter 7, p. 392 of Streetman & Banerjee (6th edition).
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Unformatted text preview: Only make the sketches of p(x) in the base, and use the results of V = 0, or I = 0 to simplify the Ebers-Moll Type 2 equations (for Δ p E , Δ p C ). 3. Problem 7.10 in chapter 7, p. 393 of Streetman & Banerjee (6th edition). Note: this same problem is due on November 22, and so can be turned in either now or then. 4. Problem 7.22 in chapter 7, p. 394 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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