Rajasthan Public Service Commission
RAS Pre-Syllabus: Electronics & Tele-Communication
Engineering (Code No. 14)
Networks graph; matrices; Laplace transform, convolution; Fourier series;
nodal and mesh analysis; time and frequency domain responses; two-port network
parameters; network functions.
Transfer functions; block diagram reduction techniques; signal flow graphs;
basic control components; transient and steady-stage response analysis;
stability of linear systems; Routh Hurwitz criterion; Root-loci; frequency
response; Nyquist criterion; Bode plot; Nichol's chart; PID control.
Electronic transport phenomena; p-n junctions; characteristics and equivalent
circuits of semiconductor diodes, BJTs, JEETs and MOSFETs. Analog Circuits:
Biasing of transistors and FETs; amplifiers; single-and multi- tage; feedback;
differential; operational; power; oscillators; LC, crystal, relaxation; function
generators and wave-shaping circuits; power supplies.
Boolean algebra;; minimisation of Boolean functions; logic gates; digital IC
families; combinational circuits-arithmetic circuits, code converters,
multiplexers and decoders; sequential circuits; latches and flip-flops, conters
and shifteregisters; comparators; timeos; ADCs and DACs; semiconductor memories;
microprocessor- architecture, programming, memory and I/O interfacing
Fourier transform: spectral analysis and signal transmission through linear
time invariants stems; random noise; correlation and power spectrum; linear and
angle modulation systems; superheterodyne receivers; sampling theorems; pulse
code modulation; digital modulation systems; FDM and TDM.
Vectors; line & surface integrals: Maxwell's equations; wave equation;
pointing vector; plane waves; propagation through various media, reflection,
refraction; elements of radio wave propagation; transmission lines and
rectangular waveguides; VSWR impedance matching; dipole antenna; loop antenna,
antenna arrays, Yagi-Uda antenna, slot, horn and parabolic reflector antennas.
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