4EE5 CIRCUIT ANALYSIS-II

Unit-1

Impedance and Admittance Functions:

The concept of complex frequency, transform

impedance and admittance, series and parallel combinations.

Network Functions:

Terminals and terminal pairs, driving point impedance transfer functions,

poles and zeros. Restrictions on pole and zero location in s-plane. Time domain behavior from

pole and zero plot. Procedure for finding network functions for general two terminal pair

networks.

Unit-2

Network Synthesis:

Hurwitz polynomial, positive real functions, reactive networks.

Separation property for reactive networks. The four-reactance function forms, specification for

reactance function. Foster form of reactance networks.  Cauer form of reactance networks.

Synthesis of R-L and R-C networks in Foster and Cauer forms.

Unit-3

Two Port General Networks:

Two port parameters (impedance, admittance, hybrid, ABCD

parameters) and their inter relations. Equivalence of two ports. Transformer equivalent, inter

connection of two port networks. The ladder network, image impedance, image transfer

function, application to L-C network, attenuation and phase shift in symmetrical T and pi

networks.

Unit-4

Two Port Reactive Network (Filters):

Constant K filters. The m-derived filter. Image

impedance of m-derived half (or L) sections, composite filters. Band pass and band

elimination filters. The problem of termination, lattice filters, Barlett’s bisection theorem.

Introduction to active filters.

Unit-5

Coupled Circuits: