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Course Objectives:
1. The principle of electronics and working principle of PN junction diode and special
purpose diodes.
2. The functioning of transistors like BJT, MOSFETs and OPAMP.
3. Basics of various logic gates, digital circuits and their applications.
4. Working and functions of various electronic instruments.
5. The operating principles and applications of various active and passive sensors.
6. Basic principles of communication systems.
Course Outcomes: On completion of the course, learner will be able to–
CO1: Explain the working of P-N junction diode and its circuits.
CO2: Identify types of diodes and plot their characteristics and also can compare BJT with
MOSFET.
CO3: Build and test analog circuits using OPAMP and digital circuits using universal/basic gates
and flip flops.
CO4: Use different electronics measuring instruments to measure various electrical parameters.
Unit I
Introduction to Electronics
Evolution of Electronics, Impact of Electronics in industry and in society.
Introduction to active and passive components, P-type Semiconductor, N-type Semiconductor.
Current in semiconductors(Diffusion and Drift Current)
P-N Junction Diode: P-N Junction diode construction and its working in forward and reverse bias
condition, V-I characteristics of P-N junction Diode, Diode as a switch, Half Wave Rectifier, Full
wave and Bridge Rectifier.
Special purpose diodes: Zener diode, Light Emitting Diode (LED) and photo diode along with V-
I characteristics and their applications.
Unit II
Transistor and OPAMP
Bipolar Junction Transistor : Construction, type, Operation, V-I Characteristics, region of
operation, BJT as switch and CE amplifier
Metal Oxide Semiconductor Field Effect Transistors (MOSFET): Construction, Types,
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Operation, V-I characteristics, Regions of operation, MOSFET as switch & amplifier.
Operational amplifier: Functional block diagram of operational amplifier, ideal operational
amplifier, Op-amp as Inverting and Non inverting amplifier
Unit III
Number System and Logic Gates
Number System:- Binary, BCD, Octal, Decimal, Hexadecimal their conversion and arithmetic,
De-Morgan’s theorem.
Basic Gates:- AND, OR, NOT, Universal Gate- XOR, XNOR, Half adder, Full adder
Flip Flop’s SR, JK, T and D
Introduction to Microprocessor and Microcontroller (Only block diagram and explanation)
Unit IV
Electronic Instrumentation
Electronic Instruments: Principles and block diagram of digital multimeter, Function Generator,
Digital Storage Oscilloscope (DSO) Power scope, AC/DC power supply, Auto transformer,
Analog ammeter and voltmeter.
Unit V
Sensors
Classification of a sensors, Active /Passive Sensors, Analog/Digital Sensors, Motion Sensors
(LVDT, Accelerometer), Temperature Sensors (Thermocouple, Thermistor, RTD), Semiconductor
Sensors(Gas Sensors), Optical Sensors (LDR), Mechanical Sensors (Strain Guage, Load Cell,
Pressure sensors), Biosensors. (Working Principle and one application).
Unit VI
Communication Systems
Basic Communication System: Block Diagram, Modes of Transmission, Communication Media:
Wired and Wireless, Electromagnetic Spectrum, Allotment of frequency band for different
applications, Block Diagram of AM and FM Transmitter and receiver,
Mobile Communication System: Cellular concept, Simple block diagram of GSM system.
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