EE_331Sp_2009_-_HW1S - EE 331 Devices and Circuits I...

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EE 331 Devices and Circuits I Spring 2009 Problem #1 Solution Answer the following problems from Jaeger (3 rd Ed.). Each problem has 20 points (100 points total) 2.2 Based upon Table 2.1, a resistivity of 10 15 -cm > 10 5 -cm, and silicon dioxide is an insulator. 2.5 Define an M-File: function f=temp(T) ni=1E14; f=ni^2-1.08e31*T^3*exp(-1.12/(8.62e-5*T)); n i = 10 14 /cm 3 for T = 506 K n i = 10 16 /cm 3 for T = 739 K 2.11 v n   n E   1000 cm 2 V s   2000 V cm   2.00 x 10 6 cm s v p   p E   400 cm 2 V s 2000 V cm   8.00 x 10 5 cm s j n   qnv n   1.60 x 10 19 C 10 3 1 cm 3 2.00 x 10 6 cm s   3.20 x 10 10 A cm 2 j p qnv p 1.60 x 10 19 C 10 17 1 cm 3 8.00 x 10 5 cm s   1.28 x 10 4 A cm 2 2.14
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For intrinsic silicon, q n n i p n i qn i n p
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