NAS (B-TECH Electronics and Communication Engineering 3rd)

Circuits Concepts : Circuits elements,

Independent and dependent sources, signals and wave forms; periodic and singularity voltages,

step, ramp, impulse, Doublet. Loop currents and loop equations, node voltage and node

equations, Network Theorems, Superposition, Thevenin's Nortan's Maximum Power Transfer,

Reciprocity.

Time and Frequency Domain Analysis :

Representation of basic circuits in terms of generalised freq. & their response, Laplace transform

of shifted functions, transient & steady response. Time domain behaviors from poles and zeros.

Convolution Theorem.

Network Synthesis :

Network functions, Impedance & Admittance function, Transfer functions, Relationship between

transfer and impulse response, poles and zeros and restrictions, Network function for two

terminal pair network. Sinusoidal network in terms of poles & zeros. Real liability condition for

impedance synthesis of RL & RC circuits. Network synthesis techniques for 2-terminal network,

Foster and Cauer forms.

Filters Synthesis :

Classification of filters, characteristics impedance and propagation constant of pure reactive

network, Ladder network, T section, IT section, terminating half section. Pass bands and stop

bands. Design of constant-K, m-derived filters. Composite filters.