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EE_331F_2009_-_HW4S

# EE_331F_2009_-_HW4S - EE 331 Devices and Circuits I...

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34 EE 331 Devices and Circuits I Spring 2009 Problem #4 Solution 3.73 Diodes are labeled from left to right (a) D 1 on, D 2 off, D 3 on : I D 2 0 | I D 1 10 0 3.3 k  6.8 k 0.990 mA I D 3 0.990 0   5   2.4 k I D 3 1.09 V D 2 5 10 3300 I D 1   1.73 V D 1 : 0.990 mA, 0 V D 2 : 0 mA, 1.73 V D 3 : 1.09 mA, 0 V ( b ) D 1 2 off, D 3 I D 2 0 I D 3 0 I D 1 10 0 V 8.2 k 12 k 0.495 V D 2 5 10 8200 I D 1   0.941 V I D 3 0   5 V 10 k I D 1 0.005 D 1 : 0.495 , 0 V D 2 : 0 A , 0.941 V D 3 : 0.005 m A V (c) D 1 2 3 on I D 1 0   10 8.2 k V 1.22 0 I 12 K 0 2   12 k V   0.167 I D 2 I D 1 I K 1.05 0 I 10 K 2   5   10 k V 0.700 I D 3 I K I K D 1 : 1.22 V D 2 : 1.05 m A V D 3 (d) D 1 off, D 2 off, D 3 I D 1 0, I D 2 0 I D 3 12   5   4.7 4.7 4.7 V k 1.21 V D 1 0   5 4700 I D 3   0.667 V 0 V D 2 5 12 4700 I D 3   1.33 V 0 D 1 : 0 A 0.667 V D 2 : 0 A 1.33 V D 3 : 1.21 V 3.74 Diodes are labeled from left to right (a) D 1 2 off, D 3 I D 2 0 I D 1 10 0.6   0.6 3.3 k 6.8 k 0.990

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EE_331F_2009_-_HW4S - EE 331 Devices and Circuits I...

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