###### KTU B.Tech s3 lecture notes for EC201 Network Theory

## KTU B.Tech S3 Lecture Note – NETWORK THEORY

## MODULE I

- Introduction to circuit variables and circuit elements, Review of Kirchhoff’s Laws, Independent and dependent Sources, Source transformations
- Network topology, Network graphs, Trees, Incidence matrix, Tie-set matrix and Cut-set matrix
- Solution methods applied to dc and phasor circuits: Mesh and node analysis of network containing independent and dependent sources

## MODULE II

- Network theorems applied to dc and phasor circuits: Thevenin’s theorem, Norton’s theorem, Superposition theorem, Reciprocity theorem, Millman’s theorem, Maximum power transfer theorem
- Laplace transform, properties Laplace Transforms and inverse Laplace transform of common functions, Important theorems: Time shifting theorem, Frequency shifting theorem, Time differentiation theorem, Time integration theorem, s domain differentiation theorem, s domain integration theorem, Initial value theorem, Final value theorem

## MODULE III

- Partial Fraction expansions for inverse Laplace transforms, Solution of differential equations using Laplace transforms
- Transformation of basic signals and circuits into s-domain 2
- Transient analysis of RL, RC, and RLC networks with impulse, step, pulse, exponential and sinusoidal inputs
- Analysis of networks with transformed impedance and dependent sources

## MODULE IV

- Network functions for the single port and two ports, properties of driving point and transfer functions, Poles and Zeros of network functions, Significance of Poles and Zeros
- Time domain Responses from pole zero plot, Impulse Response
- Network functions in the sinusoidal steady state, Magnitude and Phase response

## MODULE V

- Parameters of two port network: impedance, admittance, transmission and hybrid parameters, Interrelationship among parameter sets
- Series and parallel connections of two port networks
- Reciprocal and Symmetrical two port network
- Characteristic impedance, Image impedance and propagation constant

## MODULE VI

- Resonance: Series resonance, bandwidth, Q factor and Selectivity, Parallel resonance
- Coupled circuits: single tuned and double tuned circuits, dot convention, coefficient of coupling, Analysis of coupled circuits

KTU B.Tech S3 Lecture Note – NETWORK THEORY