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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 AM A CLASS 11TH STUDENT FROM AGRA WHAT SHOULD I DO TO JOIN DRDO INDIA
Posted by:-ASHCHARYA SINGHAL.     On: Sep 3, 2015 - 7:54:07 PM
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Hello I am an elecrical engineering final year student i want to join DRDO for Make indian Defence More affective with my small\big contribution I really from heart want to do something for INDIA
Posted by:-Ankur.     On: Sep 1, 2015 - 7:01:26 PM
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Respected sir, I have so many projects for Indian army Can I join Drdo I\'m a student of bsc
Posted by:-Debasis Raulo.     On: Aug 27, 2015 - 7:56:06 PM
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hello sir ,i\'ve completed b sc in physics n math this year Can i apply for DRDO/??????
Posted by:-nitya ojha.     On: Aug 26, 2015 - 3:32:54 PM
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Respected sir/mam I doing btech from electronic engineering I want to work for DRDO Whether I m eligible or not for DRDO-SET exam
Posted by:-shalini.     On: Aug 23, 2015 - 11:11:20 AM
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Respected sir ,I have doing engineering from electronic engineering trade Whether I m eligible for DRDO-SET exam?please give me some idea
Posted by:-shalini.     On: Aug 23, 2015 - 11:08:32 AM
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Respected sir, i was comptlite graduation in B sc Biotechnology Can i apply DRDO? and how to be apply?
Posted by:-ganesh nale.     On: Aug 19, 2015 - 7:15:20 AM
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respected gentle man iam doing civil engineering final year shall have ellegibility to apply
Posted by:-p.santhakumar.     On: Aug 18, 2015 - 10:53:05 AM
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Respected sir, I\'m M Sc physics student Can I apply for DRDO?
Posted by:-Sanjay prasad.     On: Aug 16, 2015 - 10:44:33 AM
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Respected sir, I am the student of M Sc physics Can i apply for DRDO?
Posted by:-Sanjay prasad.     On: Aug 16, 2015 - 10:41:53 AM
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Respected Sir I done b tech in mechanical I have an aggregate of 60% am I eligible for drdo if yes? then what is the criteria for that and also the black will be issue in the admission plz help me out with great regards
Posted by:-Hariprasad.     On: Aug 13, 2015 - 7:07:33 PM
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Dear sir/ma\'am i am a student of production engineering can i give the drdo test by mechanical engineering because both branch of engineering are related to each other
Posted by:-Mohd Fazlur Rahman.     On: Aug 11, 2015 - 12:30:37 PM
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Respected sir/madam i\'m studying btech Information technology third year at madras institute of technology where our former president Dr A P J Abdul kalam sir studied how can i join drdo?
Posted by:-shyam sundar.     On: Aug 9, 2015 - 10:20:29 AM
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Dear sir I am studying B E Aeronautical engineering Can I apply for DRDO examination in the final year
Posted by:-D Vignesh Moorthy.     On: Aug 9, 2015 - 7:50:32 AM
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Dear Sir/Madam, I am pursuing final m tech final year in the stream computer science and engineering, am i eligible for DRDO? i want to do job at DRDO, please suggest me
Posted by:-kanakaraju shanigari.     On: Aug 7, 2015 - 12:52:37 PM
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