Basic Electronics Engineering | Unit 1 – 5 Notes (2024 Pattern)

Examination Scheme for BXE 2024 Pattern

• Assignments / Case Study 12 Marks Units 3 & Unit 4 (6 Marks/Unit)End Semester: 70 Marks
  PR: 25 Marks
• Seminar Presentation / Open Book Test/ Quiz (06 Marks Unit 5)
• Unit Test 12 Marks Units 1 & Unit 2 (6 Marks/Unit)

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Unit 1 – 2

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Syllabus

Unit I: Diodes and Applications (06 Hours)

Topics Covered

• Introduction to Electronics:
  • Evolution of Electronics.
  • Current trends and their impact on industry and society.
• Components:
  • Introduction to active and passive components.
• P-N Junction Diode:
  • Construction and working under forward and reverse bias.
  • V-I characteristics.
  • Applications:
    • Diode as a switch.
    • Half-wave, full-wave, and bridge rectifiers.
• Special Purpose Diodes:
  • Light Emitting Diode (LED): Construction, V-I characteristics, and applications.
  • Photodiode: Construction, V-I characteristics, and applications.

Exemplar Applications

• LED TV, IR-Remote Controller, Rolling Displays, SMPS, Mobile & Laptop Chargers.

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Unit II: Transistors and Technology

Bipolar Junction Transistor (BJT)

• Construction and types.
• Operation and V-I characteristics in common emitter mode.
• Applications:
  • BJT as a switch.
  • Common Emitter (CE) amplifier.

Enhancement Metal Oxide Semiconductor Field Effect Transistor (EMOSFET)

• Construction and types.
• Operation and V-I characteristics.
• Applications:
  • MOSFET as a switch.
  • MOSFET as an amplifier.

Introduction to VLSI Technology

• Feature size/Channel length.
• N-Well method of VLSI CMOS manufacturing.

Exemplar Applications

• Audio Amplifier / PA System, CMOS ICs in Cell Phones & Laptops, Pen Drives.

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Unit III: Logic Gates and Digital Circuits (06 Hours)

Number System

• Binary, Decimal, Octal, Hexadecimal systems.
• Conversion between systems.
• Binary addition.

Logic Gates

• AND, OR, NOT, XOR, XNOR gates.
• Universal Gates: NAND, NOR.
• De-Morgan’s theorem.

Logic Circuits

• Half and Full adders.
• Flip Flops: SR, JK, T, and D types.

Introduction to Microprocessor and Microcontroller

• Block diagram and explanation.

IC Design and Fabrication

• Digital IC design flow.
• IC fabrication process flow.

Exemplar Applications

• Memories in Cell Phones, Laptops, Pen Drives, ECU in Advanced Cars.
• Automation in manufacturing using PLC.
• Arduino Boards.

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Unit IV: Operational Amplifier and Electronic Instruments (06 Hours)

Operational Amplifier

• Functional block diagram.
• Ideal and practical values of performance parameters.
• Applications:
  • Inverting amplifier.
  • Non-inverting amplifier.

Electronic Instruments

• Block diagrams and functions of:
  • Digital Multimeter.
  • Function Generator.
  • Digital Storage Oscilloscope (DSO).
  • DC Power Supply.

Exemplar Applications

• Domestic Energy Meter, Battery Charging Station, ICU Monitor in Hospitals.

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Unit V: Sensors and Communication Systems (06 Hours)

Sensors

• Classification: Active/Passive sensors.
• Selection criteria and characteristics.
• Types of Sensors:
  • Motion Sensors (LVDT).
  • Temperature Sensors (Thermocouple, RTD).
  • Mechanical Sensors (Strain Gauge).
  • Biosensors.
• IoT-based Data Acquisition and Automation System: Block diagram.

Communication Systems

• Block diagram and media (Wired/Wireless).
• Electromagnetic spectrum.
• Cellular concepts.
• GSM system block diagram.

Exemplar Applications

4G & 5G Technology, Satellite Communication, Radar/Military Communication.

Digital Thermometer, Weighing Machine, Greenhouse Automation in Agriculture, Home Automation.