Circuits and Systems

Course Objectives :

1. To impart the knowledge of various signal and system.
2. To understand modelling of circuit.
3. To impart knowledge of theorems in AC circuit.
4. To impart knowledge of two port network and transfer function.

Course Outcomes (CO)

• CO 1 Ability to understand properties of signal and system.
• CO 2 Ability to determine transient respond of circuit.
• CO 3 Ability to solve AC circuit.
• CO 4 Ability to determine two port parameter and transfer function.

UNIT – I

Signals, Classification of Signals, Systems, Classification of Systems, Linear Time Invariant (LTI) Systems; Laplace Transform, z-Transform, Fourier Series and Transform (Continuous and Discrete) and their properties. Laplace Transform and Continuous Time LTI systems, z-Transform and Discrete Time LTI systems, Fourier analysis of signals and systems, State Space Analysis.

UNIT-II

System modeling in terms of differential equations and transient response of R, L, C, series and parallel circuits for impulse, step, ramp, sinusoidal and exponential signals by classical method and using Laplace transform.

UNIT – III

AC Circuits: Circuits containing Capacitors and Inductors, Transient Response, Alternating Current and Voltages, Phasors, Impedances and Admittance, Mesh Analysis, Loop Analysis, Nodal Analysis, Thevenin’s and Norton’s Theorem, Y - D and D- Y Transformation, Bridge Circuits. Resonant Circuits, Complex Frequency and Network Function, Two port Networks. Passive Filters. 

UNIT – IV

Graph theory: concept of tree, tie set matrix, cut set matrix and application to solve electric networks.

Two port networks – Introduction of two port parameters and their interconversion, interconnection of two 2- port networks, open circuit and short circuit impedances and ABCD constants, relation between image impedances and short circuit and open circuit impedances. Network functions, their properties and concept of transform impedance, Hurwitz polynomial. [T2]

Textbook(s):

1. B. P. Lathi, “Signal Processing and Linear System”, Berkeley Cambridge Press, 1998.
2. A. H. Robbins and W. C. Miller, “Circuit Analysis: Theory and Practice”, Thomson Learning/Delmar Pub., 2007.

Reference Books:

1. S. Haykin and B. V. Veen, “Signal and Systems”, John Wiley and Sons, 1999.
2. H. P. Hsu, “Schaum’s Outlines of The Theory and Problems of Signals and Systems”, McGraw-Hill, 1995.
3. S. Madhu, “Linear Circuit Analysis”, Prentice Hall, 1988.
4. S. Ghosh, “Signals and Systems”, Pearson Education, 2006.
5. S. Poornachandra, “Signal and Systems”, Thomson Learning, 2004.
6. M. Nahvi and J. A. Edminister, “Schaum’s Outline of Theory and Problems of Electric Circuits”, McGraw-Hill, 2003.