VFSTR UNIVERSITY
II Year B.Tech. ECM I - Semester
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EC217 NETWORK THEORY
Course Description &Objectives:
The course covers the concept of circuit elements, lumped circuits, circuit
laws and to analyse simple DC circuits with the help of circuit reduction
theorems like Thevenin and Norton equivalents theorems and also to study
the transient response of series and parallel A.C. circuits and also to learn the
concepts of concepts of Two-port Network theory.
Course Outcomes:
Upon successful completion of this course, students should be able to:
a. Use network techniques, like node analysis and loop analysis, to write
equations for largelinear circuits.
b. Analyze transient response of first and second order circuits.
c. Apply Thevenin and Norton theorems to analyze and design for maximum
power transfer.
d. Explain the concept of steady state and apply phasor analysis to AC circuits
in sinusoidal steady state.
e. Analyze RLC circuits and observe the frequency response of circuits
containing inductors and capacitors.
f.
Apply the Laplace transform to linear circuits and systems.
g. Analyze simple two-port circuit.
h. Analyze circuits using graph theory.
UNIT I- Introduction of Circuit Elements :
Ideal, Practical and dependent sources and their V-I characteristics,Source
transformation, Voltage and Current division; V-I characteristics of Passive
elements and their series / parallel combination; Energy stored in Inductors
and Capacitors, Kirchhoff’s Voltage law and Kirchhoff’s Current law; Mesh
and Nodal analysis,Star and delta conversions.
UNIT II-Sinusoidal Steady State Analysis & Resonance :
Instantaneous, Peak, Average and RMS values ofperiodic waveforms; Crest
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VFSTR UNIVERSITY
factor, Form factor; j notation and concept of pharos. Response of R, L, C
series and parallel combination circuits to sinusoidal excitation, calculation
of active and reactive powers.Resonance: Series and parallel resonance
circuits, concept of band width and Q factor.
UNIT III - Network Transient Analysis :
Transient response of R-L, R-C, R-L-C circuits (Series and parallel
combinations) for D.C and sinusoidal excitations – initial conditions – time
domain and Laplace transform methods of solutions.
UNIT IV - Network Theorems :
Superposition theorem, Thevenin’s and Norton’s theorems ,
Reciprocity,Compensation, Maximum power transfer theorems, Millman’s
theorem, Application of theorems to DC and AC circuits.
UNIT - V Two port Network Parameters & Graph Theory: Definitions :
Introduction to Two port networks, Open circuit impedance, Short circuit
admittance (Y),Transmission, Inverse transmission, Hybrid and inverse hybrid
parameters, Relation between parameter sets, Interconnection of two port
networks. – Graph – Tree, Basic Tie-set and Basic cut set matrices for planar
networks –Loop and Nodal methods of analysis of Networks with independent
and dependent voltage and current sources - Duality & Dual networks.
TEXT BOOKS :
1.
William H. Hayt, Jack E. Kemmerly and Steven M. Durbin, “Engineering
Circuit Analysis”, 6th ed.,Tata
McGraw-Hill, 2007.
2.
A Sudhakar and Shyammohan S Palli, “Circuits & Networks: Analysis
and Synthesis”, 3rd ed., Tata
McGraw-Hill , 2007.
REFERENCE BOOKS :
1.
Syed A. Nasar, “Electric Circuits”, Tata McGraw-Hill, Schaum’s Series,
1988.
2.
Franklin F.Kuo, “Network Analysis and Synthesis”, 2nd ed., John Wiley &
Sons, 2003
3.
MahmoodNahvi and Joseph Edminister, “Electric Circuits”,4th ed.,
Schaum’s Outline series, Tata McGraw-Hill, 2004
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Electronics & Computer Engineering