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EE_331Sp_2009_-_HW3S

EE_331Sp_2009_-_HW3S - EE 331 Devices and Circuits I...

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EE 331 Devices and Circuits I Spring 2009 Problem #3 Solution 3.22 V D nV T ln 1 I D I S | I D I S exp V D nV T 1 (a) V D 1.05 0.025 V ln 1 7 x 10 5 A 10 18 A   0.837 V | (b) V D 1.05 0.025 V ln 1 5 x 10 6 A 10 18 A   0.768 V (c) I D 10 18 A exp 0 1.05 0.025 V 1 0 A (d) I D 10 18 A exp 0.075 V 1.05 0.025 V 1   0.943 x 10 19 A (e) I D 10 18 A exp 5 V 1.05 0.025 V 1   1.00 x 10 18 A 3.23 V D nV T ln 1 I D I S | I D I S exp V D nV T 1 (a) V D 0.025 V ln 1 10 4 A 10 17 A   0.748 V | (b) V D 0.025 V ln 1 10 5 A 10 17 A   0.691 V (c) I D 10 17 A exp 0 0.025 V   1 0 A (d) I D 10 17 A exp 0.06 V 0.025 V   1   0.909 x 10 17 A (e) I D

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EE_331Sp_2009_-_HW3S - EE 331 Devices and Circuits I...

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