UNIT-I STATE VARIABLE ANALYSIS 
Choice of state variables in Electrical networks-Formulation of state equations for Electrical networksEquivalent source method.Network topological method - Solution of state equations-Analysis of simple networks with state variable approach. 

UNIT–II FOURIER SERIES AND FOURIER TRANSFORM REPRESENTSATION
Introduction, Trigonometric form of Fourier series, Exponential form of Fourier series, Wave symmetry, Fourier integrals and transforms, Fourier transform of a periodic function , Properties of Fourier Transform , Parseval’s theorem , Fourier transform of some common signals, Fourier transform relationship with Laplace Transform. 

UNIT-III APPLICATIONS OF FOURIER SERIES AND FOURIER TRANSFORM REPRESENTATION 
Introduction, Effective value and average values of non sinusoidal periodic waves, currents, Power Factor, Effects of harmonics, Application in Circuit Analysis, Circuit Analysis using Fourier Series. 

UNIT – IV LAPLACE TRANSFORM APPLICATIONS 
Application of Laplace transform Methods of Ananlysis – Response of RL, RC, RLC Networks to Step, Ramp, and impulse functions, Shifting Theorem – Convolution Integral – Applications 

UNIT-V TESTING OF POLYNOMIALS 
Elements of realisability-Hurwitz polynomials-positive real functions-Properties-Testing-Sturm’s Test, examples. 

UNIT-VI NETWORK SYSNTHESIS 
Network synthesis: Synthesis of one port LC networks-Foster and Cauer methods-Synthesis of RL and RC one port networks-Foster and Cauer methods 

UNIT-VII SAMPLING 
Sampling theorm – Graphical and Analytical proof for Band Limited Signal impulse sampling, natural and Flat top Sampling, Reconstruction of signal from its samples, effect of under sampling – Aliasing, introduction to Band Pass sampling, Cross correlation and auto correlation of functions, properties of correlation function, Energy density spectrum, Power density spectrum, Relation between auto correlation function and Energy / Power spectral density function. 

UNIT-VIII Z-TRANSFORMS 
Fundamental difference between continous and discrete time signals, discrete time complex, exponential and sinusoidal signals, periodicity of discrete time complex exponential, concept of ZTransform of a discrete sequence. Distinction between Laplace, Fourier and Z-Transforms. Region of convergence in Z-Transforms, constraints on ROC for various classes of signals, Inverse Z-Transform properties of Z-Transforms. 

TEXT BOOKS: 
1. Signals, Systems and Communications by B.P. Lathi, BS Publications 2003. 
2. Network Analysis and Synthesis – Umesh Sinha- Satya Prakashan Publications 

REFERENCE BOOKS: 
1. Linear System Analysis – A N Tripathi, New Age International 
2. Network and Systems – D Roy Chowdhary, New Age International 
3 Engineering Network Analysis and Filter Desgin- Gopal G Bhisk & Umesh 
4. Linear system anlysis by A.Cheng, Oxford publishers.