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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 student of B Tech in power engineering (mec ), am i eligible for DRDO with my B,Tech degree in PWE, if I seat for mechanical branch exam in DRDO?
Posted by:-Krishnendu.     On: Sep 18, 2014 - 12:34:38 PM
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sir,i m persuing BE with computer science together i want to join DRDO exams,plz advs me nd tell me syllabus of drdo set exams plzz sir
Posted by:-shital.     On: Sep 17, 2014 - 10:21:38 PM
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sir i am diploma cse branch, i have prepare only for drdo in last three years but i am unable to qualifythe exam, so please sent me syllabus and help me how to crack the drdo exam,
Posted by:-manasa.     On: Sep 16, 2014 - 9:04:57 PM
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sir,i am pesuing B E in CSE from IPS College indore ? i know about DRDO and what kind of job it will provide for me?
Posted by:-shubham.     On: Sep 7, 2014 - 12:47:54 AM
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sir,i am doing B E in CSE from IPS College indore ? what kind of job it will provide
Posted by:-shubham.     On: Sep 7, 2014 - 12:22:58 AM
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what is the job of a SCIENTIST B ??
Posted by:-Kamlesh Kaur.     On: Sep 2, 2014 - 11:39:41 PM
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Sir , i want to all the information about PSU EXAM thak you :)
Posted by:-Abhinav.     On: Aug 25, 2014 - 11:44:33 PM
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Does the prefinal year mechatronics engineering students have eligible to apply fir SET exam
Posted by:-Aswin Balaji.     On: Aug 22, 2014 - 7:25:03 PM
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sir/madam i am live in village/towm so my english communication not good so your best advice to improve my english speaking knowledge so plz send your rly is very important in my life
Posted by:-patil jitendra ratilal.     On: Aug 22, 2014 - 5:09:59 PM
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hello respected sir/madam myself patil jitendra i am study in final year IT ENGG so have interested to prepare DRDO exam set
Posted by:-patil jitendra ratilal.     On: Aug 22, 2014 - 4:26:43 PM
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Actually,i completed my B E ECE on april 2014 and applied for drdo scientist \'b\' My doubt is i should apply for which scientist grade since i have no experience
Posted by:-sruthi.     On: Aug 21, 2014 - 12:23:34 PM
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i am computer engineer(BE) , can i eligible for DRDO exam ?
Posted by:-Marvin Patel.     On: Aug 17, 2014 - 11:04:57 AM
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i want to know thait through which exam and how i can prepare for the scientist post in drdo
Posted by:-vipin.     On: Aug 11, 2014 - 6:32:59 PM
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sir i want trough which exam i can prepare for scientist post in drdo
Posted by:-vipin.     On: Aug 11, 2014 - 6:31:35 PM
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sir iwant to know about drdo set exam in detail
Posted by:-vipin.     On: Aug 11, 2014 - 6:30:05 PM
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