EC8251 – NOTES & QP
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EC8251 – SYLLABUS
UNIT I BASIC CIRCUITS ANALYSIS AND NETWORK TOPOLOGY
Ohm?s Law — Kirchhoff?s laws — Mesh current and node voltage method of analysis for D.C and A.C. circuits — Network terminology — Graph of a network — Incidence and reduced incidence matrices — Trees –Cutsets — Fundamental cutsets — Cutset matrix — Tie sets — Link currents and Tie set schedules -Twig voltages and Cutset schedules, Duality and dual networks.
UNIT II NETWORK THEOREMS FOR DC AND AC CIRCUITS
Network theorems -Superposition theorem, Thevenin?s theorem, Norton?s theorem, Reciprocity theorem, Millman?s theorem, and Maximum power transfer theorem ,application of Network theorems- Network reduction: voltage and current division, source transformation — star delta conversion.
UNIT III RESONANCE AND COUPLED CIRCUITS
Resonance — Series resonance — Parallel resonance — Variation of impedance with frequency -Variation in current through and voltage across L and C with frequency — Bandwidth — Q factor -Selectivity. Self inductance — Mutual inductance — Dot rule — Coefficient of coupling — Analysis of multiwinding coupled circuits — Series, Parallel connection of coupled inductors — Single tuned and double tuned coupled circuits.
UNITIV TRANSIENT ANALYSIS
Natural response-Forced response — Transient response of RC, RL and RLC circuits to excitation by Step Signal, Impulse Signal and exponential sources — Complete response of RC, RL and RLC Circuits to sinusoidal excitation.
UNIT V TWO PORT NETWORKS
Two port networks, Z parameters, Y parameters, Transmission (ABCD) parameters, Hybrid(H) Parameters, Interconnection of two port networks, Symmetrical properties of T and p networks.