#### Signals and Systems 124 Question(s) | Weightage 12 (Marks)

Definitions and properties of Laplace transform;
Continuous-time and discrete-time Fourier series;
Continuous-time and discrete-time Fourier Transform;
DFT and FFT;
Z-transform;
Sampling theorem;
Linear Time-Invariant (LTI) Systems;
LTI definitions and properties;
LTI property;
Property causality;
Stability;
Impulse response;
Convolution;
Poles and zeros;
Parallel and cascade structure;
Frequency response;
Group delay;
Phase delay;
Signal transmission through LTI systems;

#### Networks 97 Question(s) | Weightage 11 (Marks)

Network Solution Methods: Nodal and Mesh Analysis;
Network Theorems - Superposition, Thevenin and Norton’s Maximum Power Transfer;
Wye-Delta Transformation;
Steady State Sinusoidal Analysis Using Phasors;
Time Domain Analysis of Simple Linear Circuits;
Solution of Network Equations using Laplace transform;
Frequency domain analysis of RLC circuits;
Linear 2-Port Network Parameters;
Driving point and transfer functions;
State equations for networks;

#### Electronic Devices 86 Question(s) | Weightage 08 (Marks)

Energy Bands in Intrinsic and Extrinsic Silicon;
Carrier Transport: Diffusion Current, Drift Current, Mobility and Resistivity;
Generation and Recombination of Carriers;
Poisson and Continuity Equations;
P-N Junction;
Zener Diode;
BJT;
MOS Capacitor;
MOSFET - LED;
Photo Diode and Solar Cell;
Integrated Circuits Fabrication Process: Oxidation, Diffusion, Ion Implantation, Photolithography, Twin-Tub CMOS Process;

#### Analog Circuits 108 Question(s) | Weightage 13 (Marks)

Small Signal Equivalent circuits of diodes;
BJTs;
MOSFETs;
Simple diode circuits: Clipping, Clamping and Rectifier;
Biasing and bias stability of transistor and FET amplifiers;
Amplifiers-single-and multi-stage;
Amplifiers - differential and operational;
Amplifiers - feedback and power;
Frequency response of amplifiers;
Simple op-amp circuits;
Filters;
Sinusoidal oscillators;
Criterion for oscillation;
Single-transistor and op-amp configurations;
Function generators and wave-shaping circuits;
555 Timers;
Power Supplies: Ripple Removal and Regulation;
Voltage Reference Circuits;

#### Digital circuits 102 Question(s) | Weightage 12 (Marks)

Number Systems;
Combinational Circuits;
Boolean Algebra;
Minimization of Functions using Boolean Identities and Karnaugh Map;
Logic Gates and their Static CMOS Implementations;
Arithmetic Circuits;
Code Converters;
Multiplexers;
Decoders and PLAs;
Sequential Circuits: Latches and Flip-Flops;
Counters, Shift-Registers and Finite State Machines;
Data Converters: Sample and Hold Circuits;
ADCs and DACs;
Semiconductor Memories: ROM, SRAM, DRAM;
8-bit Microprocessor (8085): Architecture, Programming, Memory and I/O Interfacing;
xxDigital IC families (DTL, TTL, ECL, MOS, CMOS);

#### Control Systems 120 Question(s) | Weightage 12 (Marks)

Basic control system components;
Feedback principle;
Transfer function;
Block Diagram Representation;
XXX Open loop and closed loop (feedback) systems and stability analysis of these systems;
Signal flow graph;
Transient and steady state analysis of LTI systems;
Frequency response;
Routh-Hurwitz and Nyquist stability criteria;
Bode and root-locus plots;
Lag, lead and lag-lead compensation;
XXX Control system compensators;
State variable model and solution of state equation of LTI systems;

#### Communications 112 Question(s) | Weightage 14 (Marks)

Random processes: autocorrelation and power spectral density, properties of white noise, filtering of random signals through LTI systems;
Analog communications: amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, superheterodyne receivers, circuits for analog communications;
Information theory: entropy, mutual information and channel capacity theorem;
XXX Random variables;
XXX Probability density function;
Digital communications: PCM, DPCM, digital modulation schemes, amplitude, ASK, PSK, FSK, QAM, MAP and ML decoding, matched filter receiver, calculation of bandwidth, SNR and BER for digital modulation;
Fundamentals of error correction;
Hamming Codes;
Inter-symbol interference and its mitigation;
Timing and Frequency Synchronization;
Basics of TDMA, FDMA and CDMA;

#### Electromagnetics 101 Question(s) | Weightage 10 (Marks)

Electrostatics;
Maxwell’s equations: Differential and integral forms and their interpretation;
Boundary conditions;
Wave Equation;
Poynting vector;
Plane waves and properties: reflection and refraction, polarization, phase and group velocity, propagation through various media, skin depth;
Transmission lines: equations, characteristic impedance, impedance matching, impedance transformation, S-parameters, Smith chart;
Waveguides: modes, boundary conditions, cut-off frequencies, dispersion relations;
Antennas: antenna types, radiation pattern, gain and directivity, return loss, antenna arrays;
Basics of radar;
Light propagation in optical fibers;