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Unit1.
INTRODUCTION: Introduction to circuit elements and their
characteristics. Current and voltage reference. Response of single
element, double element and triple element circuits. Resonance,
selectivity & Q-factor in ac circuits.
NETWORK ANALYSIS: Network voltages. Mesh & node systems of network
equations and their comparison. Graph of network, tree, incidence matrix,
fundamental circuit functions, cut sets, f-circuits analysis and f-cut set
analysis, node and node pair analysis. Duality. Method of obtaining dual
network.
Unit2. NETWORK THEOREMS: Thevenis’s, Norton's, Superposition,
Reciprocity, Compensation, Millman's, Tellegen’s, Maximum power transfer
and Miller`s theorems.
Unit3. POLYPHASE CIRCUITS: General circuit relations: Three phase
star, three phase delta, star and delta combination, four wire star
connection, balanced three phase voltages and unbalanced impedances. Power
and reactive volt-amperes in a 3-phase system. Power relations in AC
circuits: Instantaneous power in AC circuits, power factor, apparent
power, reactive power, power triangle, complex power.
Unit4. NON-SINUSOIDAL WAVES: Complex periodic waves and their
analysis by Fourier series. Different kinds of symmetry, determination of
co-efficients. Average and effective values of a non-sinusoidal wave,
power in a circuit of non-sinusoidal waves of current and voltage, form
factor, equivalent sinusoidal wave and equivalent power factor. Response
of linear network to non-sinusoidal periodic waves.
Unit5. TIME DOMAIN AND FREQUENCY DOMAIN ANALYSIS: Response of
networks to step, ramp, impulse, pulse and sinusoidal inputs. Time domain
and frequency domain analysis of circuits. Shifting theorem, initial and
final value theorems. Special signal waveforms with Laplace transform &
applications to circuit operations.
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