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DRDO-SET
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Syllabus for Electronics & Communication paper DRDO-SET
Networks: Network graphs: matrices associated with graphs; incidence, fundamental cut set and fundamental circuit matrices. 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. Linear constant coefficient differential equations; time domain analysis of simple RLC circuits, Solution of network equations using Laplace transform: frequency domain analysis of RLC circuits. 2-port network parameters: driving point and transfer functions. State equations for networks.



Electronic Devices: Energy bands in silicon, intrinsic and extrinsic silicon. Carrier transport in silicon: diffusion current, drift current, mobility, and resistivity. Generation and recombination of carriers. p-n junction diode, Zener diode, tunnel diode, BJT, JFET, MOS capacitor, MOSFET, LED, p-I-n and avalanche photo diode, Basics of LASERs. Device technology: integrated circuits fabrication process, oxidation, diffusion, ion implantation, photolithography, n-tub, p-tub and twin-tub CMOS process.

Analog Circuits: Small Signal Equivalent circuits of diodes, BJTs, MOSFETs and analog CMOS. Simple diode circuits, clipping, clamping, rectifier. Biasing and bias stability of transistor and FET amplifiers. Amplifiers: single-and multi-stage, differential and operational, 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.

Digital Circuits: Boolean algebra, minimization of Boolean functions; logic gates; digital IC families (DTL, TTL, ECL, MOS, CMOS). Combinatorial circuits: arithmetic circuits, code converters, multiplexers, decoders, PROMs and PLAs. Sequential circuits: latches and flip-flops, counters and shift-registers. Sample and hold circuits, ADCs, DACs. Semiconductor memories. Microprocessor(8085): architecture, programming, memory and I/O interfacing.

Signals and Systems: 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: definitions and properties; causality, stability, impulse response, convolution, poles and zeros, parallel and cascade structure, frequency response, group delay, phase delay. Signal transmission through LTI systems.

Control Systems: Basic control system components; block diagrammatic description, reduction of block diagrams. Open loop and closed loop (feedback) systems and stability analysis of these systems. Signal flow graphs and their use in determining transfer functions of systems; transient and steady state analysis of LTI control systems and frequency response. Tools and techniques for LTI control system analysis: root loci, Routh-Hurwitz criterion, Bode and Nyquist plots. Control system compensators: elements of lead and lag compensation, elements of Proportional-Integral-Derivative (PID) control. State variable representation and solution of state equation of LTI control systems.



Communications: Random signals and noise: probability, random variables, probability density function, autocorrelation, power spectral density. Analog communication systems: amplitude and angle modulation and demodulation systems, spectral analysis of these operations, superheterodyne receivers; elements of hardware, realizations of analog communication systems; signal-to-noise ratio (SNR) calculations for amplitude modulation (AM) and frequency modulation (FM) for low noise conditions. Fundamentals of information theory and channel capacity theorem. Digital communication systems: pulse code modulation (PCM), differential pulse code modulation (DPCM), digital modulation schemes: amplitude, phase and frequency shift keying schemes (ASK, PSK, FSK), matched filter receivers, bandwidth consideration and probability of error calculations for these schemes. Basics of TDMA, FDMA and CDMA and GSM.

Electromagnetics: Elements of vector calculus: divergence and curl; Gauss’ and Stokes’ theorems, Maxwell’s equations: differential and integral forms. Wave equation, Poynting vector. Plane waves: propagation through various media; reflection and refraction; phase and group velocity; skin depth. Transmission lines: characteristic impedance; impedance transformation; Smith chart; impedance matching; S parameters, pulse excitation. Waveguides: modes in rectangular waveguides; boundary conditions; cut-off frequencies; dispersion relations. Basics of propagation in dielectric waveguide and optical fibers. Basics of Antennas: Dipole antennas; radiation pattern; antenna gain.

Sir, i complet my iti in machinist trade can u sent me last year pratice set of drdo
Posted by:-Divakar shukla.     On: Nov 23, 2014 - 6:22:01 PM
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kuttha dengichuko
Posted by:-madda.     On: Nov 23, 2014 - 2:29:23 PM
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hello sir/madam, can u pls send me the previous years papers for STA B in electronics engineering on my id Thanku
Posted by:-kamini.     On: Nov 23, 2014 - 1:37:34 PM
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sir plz send me drdo privius year paper
Posted by:-Deependra.     On: Nov 23, 2014 - 10:28:42 AM
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plz send me last exam question papers and answer in computer science and engg
Posted by:-seetha lakshmi.     On: Nov 22, 2014 - 9:46:08 PM
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dear sir i had completed in iti in M Sc electronics i applied CEPTAM 07 , please send me drdo old question papers format or syallabus
Posted by:-amit.     On: Nov 21, 2014 - 2:55:06 PM
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sir i had complete iti in electronics engg i applied for CEPTAM 07, pls send drdo old question paper or syallabus
Posted by:-rajpal singh.     On: Nov 21, 2014 - 11:37:16 AM
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dear sir i had completed in iti in electronics engineering i applied CEPTAM 07 , please send me drdo old question papers or syallabus
Posted by:-rajpal singh.     On: Nov 21, 2014 - 11:33:20 AM
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sir,i had completed b sc pls send me last year question paper for STA\\'B\\'-{0118-PHYSICS] and exam toppics and syllabus in detali My id-krahula111@ymail com
Posted by:-RAHUL KUMAR.     On: Nov 20, 2014 - 8:40:17 AM
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sir,i had completed b sc pls send me last year question paper for STA\'B\'-{0118-PHYSICS] My id-saritarani816@gmail com
Posted by:-sarita rani.     On: Nov 19, 2014 - 1:13:24 PM
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dear sir,i had completed b sc ipls send me sta [0118-physics} last question papet at my id_saritarani816@gmail com
Posted by:-sarita rani.     On: Nov 19, 2014 - 1:07:07 PM
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sir,plz send me drdo old question paper i had completed diploma in computer science engineering posted by:sibani on-18/11/2014
Posted by:-sibani patra.     On: Nov 18, 2014 - 12:13:31 PM
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plz send ece previous years papers sirrrrrr bnchari 6020@gmail com this is my email id
Posted by:-neelakanta chari.     On: Nov 18, 2014 - 9:36:29 AM
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plz send me the syllabus for computer science STA-B and previous year question paper my id is "dubeyankita93@yahoo com"
Posted by:-Ankita dubey.     On: Nov 18, 2014 - 8:53:05 AM
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pls send me previous years question papers
Posted by:-Meenakshi.     On: Nov 17, 2014 - 8:08:05 PM
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