ECE201_06_dependent_sources

# ECE201_06_dependent_sources - ECE 201 Lecture 6 Dependent...

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ECE 201 Lecture 6 Dependent sources in resistive circuits Announcements

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Summary of previous lecture Examples on applying KCL and KVL; Resistor combinations; Voltage and current division; Redraw circuits (topographic transforms).
Example: Find V x and I y

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R eq is an abstract concept that satisfies V in =R eq ·I in R eq ? R eq could be negative!
Nodal and Loop Analysis (very simple example) Known: all elements; Goal: solve nodal voltages and branch currents. How many nodes? Can we find their voltages directly? How many loops? Can we find their currents directly? Use KCL to solve unknown node voltages. Use KVL to solve unknown loop currents. Nodal and Loop Analysis can solve the same problem in different ways.

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Solutions 40 300 : 10 30 60 60 A C B C A B B B V V V V KCL V V V V V V V = = - - = + = 1 1 2 1 2 2 1 2 10 30( ) 40 30( ) 60 300 2 4 I I I I I I I A I A + + = + + = = - = I 1 I 2 Nodal Analysis Loop Analysis
Voltage controlled voltage source (VCVS) Current controlled voltage source (CCVS) Voltage controlled current source (VCCS) Current controlled current source (CCCS)

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## This note was uploaded on 02/03/2012 for the course ECE 201 taught by Professor All during the Fall '08 term at Purdue University.

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ECE201_06_dependent_sources - ECE 201 Lecture 6 Dependent...

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