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09_Final

# 09_Final - EE 101A FINAL WINTER 09 NAME I.D NUMBER...

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- 1 - EE 101A FINAL WINTER 09 NAME ______________________________ I.D. NUMBER ______________________________ SIGNATURE ______________________________ TIME : 3 HOURS OPEN BOOKS, OPEN NOTES NO PC or WIRELESS COMMUNICATION DEVICE STATE YOUR ASSUMPTIONS AND REASONING NO CREDIT FOR ANSWERS WITHOUT REASONING (1) __________/16 (2) __________/16 (3) __________/12 (4) __________/16 (5) __________/30 (6) __________/10 Total __________/100

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- 2 - (1) (16%) (a) Find the Thevenin Equivalent Circuit looking into terminal V O . I A V B + V O R 1 R 2 + _ 3 V O
- 3 - (b) Find the Norton Equivalent Circuit looking into terminal V O . (c) If R 1 = 2R 2 , what is the Equivalent Circuit looking into terminal V O ? I A V B + V O R 1 R 2 + _ 3 V O

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- 4 - (d) If V B = I A R 2 , what is the Equivalent Circuit looking into terminal V O ?
- 5 - (2) The I-V characteristic of a component Z is shown below. (16%) -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 VZ (Volt) IZ (mA) (a) In the circuit shown below, determine the DC voltage VZ and current IZ of component Z. Assume “constant voltage drop model” for the diode. + VZ + vz _ IZ + iz Z 2.3V + _ 0.1V sin t 1K

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- 6 - (b) Determine the DC power dissipation of component Z and if it is dissipating or supplying power.
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