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Unformatted text preview: + ID1 V1- D1 D1N4002 R1 1k VD1 Figure 1 - Series Circuit for Problem 1 ExCiTe Engineering Technology Homework Assignment #7 Diodes and BJTs Show ALL OF YOUR WORK and include your simulation outputs Follow the homework format described in the syllabus You may NOT use the POWER MARKERS in PSPICE for this assignment Individual Assignment (problems 1 and 2) 1) Perform a DC (bias-point) analysis on the circuit shown in Figure 1 using Orcad Lite and determine V D1 and I D1 for the values of V 1 indicated in Table 1. a. Is the diode on for negative values of V 1 ? Explain. b. Assuming V D1 >= 0.6V for the diode to be considered on, for which values of V 1 (in the table) is the diode on? c. Does V D1 change by 0.5V when V 1 changes from 2.5V to 3.0V? Why/Why not? d. Calculate the power dissipated by D 1 when V 1 =3V e. Calculate the power dissipated by R 1 when V 1 =3V f. Calculate the power supplied by the source, V 1 when V 1 =3V g. Plot I D1 as a function of V D1 using Excel and the data from Table 1...
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- Fall '07