### Syllabus WBSET ELECTRONIC SCIENCE

THE WEST BENGAL COLLEGE SERVICE COMMISSION

STATE ELIGIBILITY TEST

**SYLLABUS**

**Subject:**

**ELECTRONIC SCIENCE Code No. : (21)**

__UNIT-I__
Introduction to
Semiconductor, energy bands in solids, concept of effective mass, density of states,
Fermi levels. PN Junction, Diode equation and diode equivalent circuit,
Breakdown in diodes, Zener diode, Tunnel diode, Metal semiconductor junction –
Ohmic and Schottky contacts, Characteristics and equivalent circuits of JFET,
MOSFET. Low dimensional semiconductor devices – quantum wells, quantum wires,
quantum dots. High Electron Mobility Transistor (HEMT), Solar cells – I-V
characteristics, fill factor and efficiency, LED, LCD and flexible display
devices.

Emerging
materials for future Devices: Graphene, Carbon Nano tubes (CNT), ZnO, SiC etc.

__UNIT-II__
IC fabrication –
crystal growth, epitaxy, oxidation, lithography, doping, etching, isolation methods,
metallization, bonding, Thin film deposition and characterization Techniques: XRD,
TEM, SEM, EDX, Thin film active and passive devices, MOS technology and VLSI, scaling
of MOS devices, NMOS and CMOS structures and fabrication, Characteristics of MOS
transistors and threshold voltage, NMOS and CMOS inverters, Charge-Coupled Device
(CCD) – structure, charge storage and transfer, Basics of VLSI design, stick diagrams,
Layout design rules.

__UNIT-III__
Superposition,
Thevenin, Norton and Maximum Power Transfer Theorems, Network elements, Network
graphs, Nodal and Mesh analysis. Laplace Transform, Fourier Transform and
Z-transform. Time and frequency domain response, Passive filters, Two-port
Network Parameters : Z, Y, ABCD and h parameters, Transfer functions, Signal
representation, State variable method of circuit analysis, AC circuit analysis,
Transient analysis, Zero and Poles,

Bode Plots.
Continuous time signals, Fourier Series and Fourier transform representations, Sampling
theorem and applications, Discrete time signal, Discrete Fourier transform
(DFT), Fast Fourier transform (FFT), Basic concepts of digital signal
processing, digital filters – IIR, FIR.

__UNIT__

__–__

__IV__
Rectifiers,
Voltage regulated ICs and regulated power supply, Biasing of Bipolar junction transistors
and FETs, operating point and stability, Amplifiers, Classification of
amplifiers, Concept of feedback, Hartley, Colpitt’s and Phase Shift
oscillators, Operational amplifiers (OPAMP) - characteristics, computational
applications, comparators, Schmitt trigger, Instrumentation amplifiers, wave
shaping circuits, Phase locked loops, Active filters, Multivibrators, Voltage
to frequency convertors (V/F), frequency to voltage convertors (F/V).

__UNIT-V__
Logic Families,
Logic Gates, Boolean algebra and minimization techniques, Combinational circuits,
Programmable Logic Devices (PLD), CPLD, flip-flops, memories, Sequential Circuits:
Counters – Ring, Ripple, Synchronous, Asynchronous, Shift registers,
multiplexers and demultiplexers, A/D and D/A converters, Analysis and Design of
fundamental mode state machines: State variables, State table and State
diagram. Sequential PLD, FPGA, Analysis and Design of digital circuits using
HDL.

__UNIT-VI__
Introduction of
Microprocessor 8086: Architecture, Addressing modes, instruction set, interrupts,
Programming, Memory and I/O interfacing.

Introduction of
Microcontrollers – 8051 for embedded systems, Architecture and register s

**e**t of Microcontroller 8051, Addressing modes, Instruction set of 8051 – Data transfer instructions, Arithmetic instructions, Logic instructions, bit level and byte level control transfer instructions, 8051 assembly programming – stack operations, subroutines, interrupts, 8051 programming as timer/counter, 8051 serial communication, 8051 interfacing RS232, LED/LCD display, Keyboard , Stepper motor.

__UNIT-VII__
Electrostatics -
vector calculus, Gauss’s Law, Laplace and Poisson’s equations,

Magnetostatics –
Biot Savert’s law, Ampere’s law and electromagnetic induction, Maxwell’s equations
and wave equations, Plane wave propagation in free space, dielectrics and conductors,
Poynting theorem, Reflection and refraction, polarization, interference, coherence
and diffraction, Transmission lines and waveguides – line equations, impedance,
reflections and voltage standing wave ratio, rectangular waveguides. Antennas –
retarded potential and Hertzian dipole, half wave antenna, antenna patterns,
radiation intensity, gain, effective area and Frii’s free space receiver power
equation. Microwave Sources and Devices -Reflex Klystron, Magnetron, TWT, Gunn
diode, IMPATT diode, Crystal Detector and PIN diode.

Radar – block
diagram of Radar, frequencies and power used, Radar range equation.

__UNIT-VIII__
Analog
modulation and demodulation - AM, FM and PM, Principle of super heterodyne receiver,
Random signals, noise, noise temperature and noise figure, Basic concepts of information
theory, Error detection and correction, Digital modulation and demodulation – PCM,
ASK, FSK, PSK, BPSK, QPSK and QAM, Time and Frequency-Division Multiplexing,
Multiple Access techniques, Data Communications – Modems, Codes, Principles of
Mobile and Satellite Communication, Optical communication, Optical sources - LED,
spontaneous and stimulated emission, semiconductor Lasers, Detectors – PIN photodiodes,
Avalanche photodiodes (APD), Optical fibers – attenuation and dispersion characteristics,
Bandwidth, Wavelength division multiplexing.

Fundamentals of
Internet of Things (IoT) for communication.

__UNIT-IX__
Power devices –
characteristics of SCR, DIAC, TRIAC, power transistors, Protection of thyristors
against over voltage and over current. SCR triggering - dv/dt and di/dt,
triggering with single pulse and train of pulses, A.C. and D.C. motors -
construction and speed control.

Switched Mode
Power Supply (SMPS). Uninterrupted Power Supply (UPS).

Open loop and
closed loop control system, Block Diagram reduction techniques, transfer function
and signal flow diagram, Stability criterion: Routh-Hurwitz and Nyquist plot,
Onoff controller, Proportional (P), Proportional-Integral (PI),
Proportional-Derivative (PD), PID controllers.

__UNIT__

__–__

__X__
Transducers –
Resistance, Inductance, Capacitance, Piezoelectric, Thermoelectric, Hall effect,
Photoelectric, Measurement of displacement, velocity, acceleration, force,
torque, strain, temperature, pressure, flow, humidity, thickness, pH. Measuring
Equipment – Measurement of R, L and C, Bridge and Potentiometers, voltage,
current, power, energy, frequency/time, phase, Digital Multimeters, CRO,
Digital Storage Oscilloscope, Spectrum Analyzer., Biomedical Instruments – ECG,
EEG, Blood Pressure Measurements, MEMS and

its applications
Sensors for IoT applications.

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**Page Last Updated on 22.03.2020**

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