EE40_Fall08_Lecture6 - Slide 1 EE40 Fall 08 Connie...

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Unformatted text preview: Slide 1 EE40 Fall 08 Connie Chang-Hasnain EE40 Lecture 6 Connie Chang-Hasnain 9/10/08 Reading: Chap. 2 Topics: Dependent sources Superposition Norton/Thevenin Equivalent Circuit Slide 2 EE40 Fall 08 Connie Chang-Hasnain Superposition • Principle of Superposition: • In any linear circuit containing multiple independent sources, the current or voltage at any point in the network may be calculated as the algebraic sum of the individual contributions of each source acting alone . • A linear circuit is one constructed only of linear elements (linear resistors, and linear capacitors and inductors, linear dependent sources) and independent sources. • Linear means I-V charcteristic of elements/sources are straight lines when plotted Slide 3 EE40 Fall 08 Connie Chang-Hasnain Superposition Procedure : 1. Determine contribution due to one independent source • Set all other sources to 0: Replace independent voltage source by short circuit, independent current source by open circuit 2. Repeat for each independent source 3. Sum individual contributions to obtain desired voltage or current Slide 4...
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This note was uploaded on 10/24/2009 for the course EE 40 taught by Professor Chang-hasnain during the Fall '07 term at University of California, Berkeley.

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EE40_Fall08_Lecture6 - Slide 1 EE40 Fall 08 Connie...

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