Basic Electronics Engineering | Unit 1 -6 Notes

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.

Examination Scheme:

In Semester : 30 Marks
End Semester: 70 Marks
PR: 25 Marks

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Syllabus

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 2: 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, 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 3: 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 4: 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 5: Sensors

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 6: 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.