Download Handwritten Notes of BEC101/BEC201: Fundamentals of Electronics Engineering AKTU
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Unit-1: Semiconductor Diode
In this unit, students delve into the fundamentals of semiconductor diodes. Topics covered include:
- Understanding depletion layers and V-I characteristics.
- Differentiating between ideal and practical diodes.
- Exploring diode equivalent circuits.
- Unraveling the breakdown mechanism of Zener diodes (Zener and avalanche).
- Applications of diodes in rectification (half and full wave), clipping, clamping, and voltage multiplication.
- Special purpose two-terminal devices like light-emitting diodes (LEDs), photodiodes, varactor diodes, and tunnel diodes.
Unit-2: Bipolar Junction Transistor and Field Effect Transistor
Unit-2 introduces students to bipolar junction transistors (BJTs) and field-effect transistors (FETs). Key concepts covered include:
- Construction and operation of BJTs.
- Amplification action in common base, common emitter, and common collector configurations.
- Understanding the construction and characteristics of junction field-effect transistors (JFETs).
- Introduction to metal-oxide-semiconductor field-effect transistors (MOSFETs) including depletion and enhancement types, and their transfer characteristics.
Unit-3: Operational Amplifiers
Operational amplifiers (Op-Amps) form the backbone of many electronic circuits. This unit covers:
- Introduction to Op-Amps and their basic properties.
- Practical Op-Amp circuits including inverting amplifier, non-inverting amplifier, unity follower, summing amplifier, integrator, and differentiator.
- Understanding differential and common-mode operation.
- Exploring the functionality of comparators.
Unit-4: Digital Electronics
Digital electronics play a crucial role in modern technology. This unit includes:
- Understanding number systems and their representation.
- Basics of binary arithmetic.
- Introduction to basic and universal gates.
- Simplification of Boolean functions using Boolean algebra.
- Minimization of Boolean functions using Karnaugh maps (K Maps) up to 6 variables.
Unit-5: Fundamentals of Communication Engineering
Communication engineering is vital in today’s interconnected world. Topics covered in this unit include:
- Basics of signal representation and analysis.
- Exploring the electromagnetic spectrum.
- Elements of a communication system.
- Understanding the need for modulation and its typical applications.
- Fundamentals of amplitude modulation and demodulation techniques.
- Introduction to wireless communication including cellular communication, different generations and standards, fundamentals of satellite, and radar communication.