ECE201_Lecture06

# ECE201_Lecture06 - E E201 Linear Cir cuit Analysis I L...

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1 EE201 Linear Circuit Analysis I Lecture 6. Topics: Dependent sources in resistive circuits 1. Dependent sources (a review) dependent source voltage source current source Four types:

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2 Example . Find power dissipated (i.e. absorbed ) or generated in each branch.
3 Answers: (1) W P S V 225 . 0 = (generated power) W P 045 . 0 2 = (dissipated power) W P 18 . 0 8 = (dissipated power) (2) W P i 36 1 = β (generated power) W P 2 . 7 20 = (dissipated power) W P 8 . 28 5 = (dissipated power) (3) W P v 8 . 28 2 = µ (generated power) W P 76 . 5 100 = (dissipated power) W P 04 . 23 400 = (dissipated power)

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4 2. Nodal Analysis (1) Goal: solve for node voltages (except V E ) e.g. node voltage A: V A = V AE (2) list known node voltages (if any) V A = 40 V , V C = 300 V (3) Count unknown node voltages (N) V B (4) Write N equations for N unknowns. focus is node KCL express currents in terms of node voltages. + - + - A B C 300 V E (Reference) 40 V 10 60 30
5 3. Nodal Analysis in Matrix Format (1) First, list the known node voltages (if any) (2) Second, count the number of unknown node voltages (N)

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## This note was uploaded on 04/19/2011 for the course ECE 201 taught by Professor All during the Spring '08 term at Purdue.

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ECE201_Lecture06 - E E201 Linear Cir cuit Analysis I L...

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