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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.

can Bsc biotechnology students apply?
Posted by:-sans.     On: Apr 23, 2014 - 3:15:13 PM
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sir, I am persuing Bachlor of engineering with mechanical branch together I want to make prepration for set examination plz advise me something about books and guide me how can i make prepration for this
Posted by:-virendra.     On: Apr 22, 2014 - 10:09:40 PM
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sir im in secondere for diploma can i give drdo exam
Posted by:-sahadev kumar.     On: Apr 18, 2014 - 9:41:56 PM
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I am Pursuing B-Tech 3rd Yeae from ECE can I write exam in 3rd year? OR in 4th Year
Posted by:-Meer Amer Ali.     On: Apr 11, 2014 - 9:26:01 AM
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Is there any relaxation for SC/ST candidates for Percentage in BE/B-tech degree
Posted by:-Pranit.     On: Apr 8, 2014 - 6:53:00 PM
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i am pursuing BE 3rd year CCE & Genral Catigary person how to apply drdo jobs sir please help me dharm tom@gmail com
Posted by:-Dharmendra Singh Tomar.     On: Apr 6, 2014 - 3:27:39 PM
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i am pursuing BE 3rd year CCE & Genral Catigary person how to apply drdo jobs sir please help me
Posted by:-Dharmendra Singh Tomar.     On: Apr 6, 2014 - 3:27:20 PM
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i am pursuing BE 3rd year CCE & Genral Catigary person how to apply drdo jobs sir please help me dharm tom@gmail com
Posted by:-Dharmendra Singh Tomar.     On: Apr 6, 2014 - 3:27:05 PM
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Hey guies if anyone of you have previous year papers , or information about exams pattern , section wightage please mail me on udayutkarsh@yahoo com
Posted by:-uday.     On: Apr 5, 2014 - 2:35:48 PM
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@mounika and swathi: only final year b tech students are allowed Idk about other drdo exams but I know about DRDO-SET (drdo scentist entry test) this exam happens every year in first week of september I am going to write this exam see you next year in drdo :)
Posted by:-uday.     On: Apr 5, 2014 - 2:31:44 PM
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Yes final year students can also appear but at the time of selection process u need to have ur provisional degree at least
Posted by:-uday.     On: Apr 5, 2014 - 2:24:30 PM
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i am pursuing BE-4th year can i appear to xam???is there any chance? plzz clarify my doubt anyone
Posted by:-bhavna.     On: Mar 27, 2014 - 8:26:32 PM
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THROUGH B sc PHYSICS HONS JOIN DRDO ?
Posted by:-shubham jha.     On: Mar 21, 2014 - 7:38:03 PM
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sir i did my engg in aeronautical can i join DRDO with ordinary selection procedure????pls help us
Posted by:-rajaasekaran r.     On: Mar 18, 2014 - 12:12:48 AM
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can permanently disabled students apply for the jobs in DRDO
Posted by:-VARUN RATHINAM.     On: Mar 15, 2014 - 7:01:42 PM
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