All Materials regarding to B.tech R-20 in Electronics and communication Engineering with unit wise for Every Subjects are available.
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| ECE 1&2 NA | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
ECE 2-1 Network Analysis Important Topics
UNIT – I
Introduction to Electrical Circuits : Network elements classification, Electric charge and
current, Electric energy and potential, Resistance parameter – series and parallel combination,
Inductance parameter – series and parallel combination, Capacitance parameter – series and
parallel combination. Energy sources: Ideal, Non-ideal, Independent and dependent sources,
Source transformation, Kirchoff’s laws, Mesh analysis and Nodal analysis problem solving
with resistances only including dependent sources also.
Fundamentals and Network Topology: Definitions of terms associated with periodic
functions: Time period, Angular velocity and frequency, RMS value, Average value, Form
factor and peak factor- problem solving, Phase angle, Phasor representation, Addition and
subtraction of phasors, mathematical representation of sinusoidal quantities, explanation
with relevant theory, problem solving. Principal of Duality withexamples.
Network Topology: Definitions of branch, node, tree, planar, non-planar graph, incidence
matrix, basic tie set schedule, basic cut set schedule.
UNIT – II
Transients: First order differential equations, Definition of time constants, R-L circuit, R-C
circuit with DC excitation, Evaluating initial conditions procedure, second order differential
equations, homogeneous, non-homogenous, problem solving using R-L-C elements with DC
excitation and AC excitation, Response as related to s-plane rotation of roots. Solutions using
Laplace transform method. (Text Books: 1,2,3, Reference Books: 1,3)
UNIT – III
Steady State Analysis of A.C Circuits: Impedance concept, phase angle, series R-L, R-C, R-
L- C circuits problem solving. Complex impedance and phasor notation for R-L, R-C, R-L- C
problem solving using mesh and nodal analysis, Star-Delta conversion, problem solving.
Coupled Circuits :Coupled Circuits: Self inductance, Mutual inductance, Coefficient of
coupling, analysis of coupled circuits, Natural current, Dot rule of coupled circuits,
Conductively coupled equivalent circuits- problem solving.
UNIT – IV
Resonance: Introduction, Definition of Q, Series resonance, Bandwidth of series resonance,
Parallel resonance, Condition for maximum impedance, current in anti resonance, Bandwidth
of parallel resonance, general case-resistance present in both branches, anti resonance at all
frequencies.
Network Theorems: Thevinin’s, Norton’s, Milliman’s, Reciprocity, Compensation,
Substitution, Superposition,Max Power Transfer, Tellegens- problem solving using
dependent sources also.
UNIT – V
Two-port Networks: Relationship of two port networks, Z-parameters, Y-parameters,
Transmission line parameters, h-parameters, Inverse h-parameters, Inverse Transmission line
parameters, Relationship between parameter sets, Parallel connection of two port networks,
Cascading of two port networks, series connection of two port networks, problem solving
including dependent sources also.
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