M.Sc.  ELECTRONICS

OUTLINE OF THE SYLLABUS  FOR  ADMISSION TEST

FOR M.Sc. ELECTRONICS

(Total 100 questions of multiple choice type will be set with 50 questions from Section -A, 25 questions from Section-B and 25 questions from Section-C. Each question will carry 1 mark for correct answer. The syllabus given is only a broad outline)

Time: 2 Hrs                                                                            Max. Marks: 100

                                    SECTION - A: Basic Electronics  (50 Questions)      

Network theorem: Ohms Law, Kirchhoff's law, superposition theorem, Thevenin's theorem, Norton's Theorem, Reciprocity Theorem, Transient response, resonance, passive Integrator and Differentiator, Passive filters, attenuator.

Fundamentals of Semiconductor Devices:  Electronic energies in conductors, Intrinsic and extrinsic semiconductors, the PN junction, diffusion current density, the drift current, volt-ampere relation for PN junction, capacitance effects in PN junction, Zener diode, tunnel diode, thermistors, junction transistor, transistor current and voltages, Field effect transistors

Amplifier: Transistor as  a four terminal network, Transistor amplifiers: low frequency equivalent circuits and low frequency performance. Emitter follower, comparison of transistor amplifiers, Matching of transistor impedances, variation of transistor parameters, transistor bias, stability of Q point, transistor internal capacitance, coupling and cascading amplifiers, Factors influencing amplifier band width, Gain frequency plots, Noise in amplifiers, Class-A, B, C operation, Power amplifiers, Class AB operation. Push pull amplifiers Basic principles of Feedback, Negative feedback and its effect in gain stability, linearity, impedance. Stability of feedback amplifiers

Oscillators: Positive feedback, condition for oscillation, RC, LC and Crystal oscillators and conditions for oscillation, pulse generation by relaxation circuits, Multivibrators, The Schmitt trigger.

Operational Amplifiers: Ideal Operational Amplifier, concept of virtual ground, inverting and non-inverting amplifiers, working of a difference amplifier, different stages of an Operational amplifier, Paramters of Operational amplifier, high frequency response. Different applications of OPAMP.

Power supply and regulator circuits, Instruments for voltage, current, power and wave form measurements.

Electromagnetic waves, lumped constants, propagation of radio waves and factors influencing it, Modulation: amplitude, frequency modulation, phase modulation. Detection of modulated wave, superhetrodyne receiver, basic principles of Television receiver and  camera

Digital Electronics: Logic circuit, Boolean algebra, Number system-Binary, octal and Hexadecimal, Basic logic gates, Universal gates, X_OR circuits, Demorgans theorem,  Simplification of  Boolean expressions

SECTION- B: MATHEMATICAL ABILITY    (25 Questions)

Algebra: sets, groups, fields, vector spaces, complex numbers, matrices, determinants relation between roots and coefficients of an equation, scalar and vector products, triple products

Calculus: Real number system, continuity and limits, differentiation, integration, definite integral, evaluation of lengths and area of curves, curvature, tracing of curves, partial differentiation, differential equations of the first order and their solutions, linear differential equations with constant coefficients, Homogenous linear differential equations.

Geometry: 2 dimensions, straight lines, circles, parabola, hyperbola and ellipse. 3 dimensions, spheres, quadric cones and cylinders

Real Analysis: Sequence of real numbers, convergent sequences, Cauchy sequences, bounds, infinite series and their different test of convergences, uniform convergence. Properties of continuous functions, Rolls theorem, mean value theorem, Taylor’s and Maclaurine series, maxima and minima.

Statistics: Frequency distributions and measures of dispersion, permutation and combinations, probability, random variables and distribution functions, mathematical expectation and generating functions, Binomial, Poisson, Normal distribution, curve fitting and principles of least squares, correlation and regression, sampling and large sample tests, tests of significance based on t and F distributions.

SECTION-C: Mental Ability     (25 Questions)

Mental ability: Standard will be that expected from Engineering/Physical Science Degree holders. Candidate’s capability for deductive and logical thinking will be tested in this section.