# BASIC ELECTRONICS (15ELN15/15ELN25) CBCS SCHEME AND SYLLABUS,NOTES

Posted by: Indudhar Gavasi
BASIC ELECTRONICS
[As per Choice Based Credit System (CBCS) scheme]
(Effective from the academic year 2015 -2016) SEMESTER - I/II

Subject Code - 15ELN15 / 15ELN25                             IA Marks         20
Number of Lecture Hours/Week           04                  Exam Marks   80
Total Number of Lecture Hours             50                  Exam Hours   03
CREDITS - 04

### Course objectives:

#### Course objectives:

The course objective is to make students of all the branches of Engineering to understand the efficacy of Electronic principles which are pervasive in engineering applications

Semiconductor Diodes and Applications (Text-1): p-n junction
diode, Characteristics and Parameters, Diode approximations, DC
load line analysis, Half-wave rectifier, Two-diode Full-wave rectifier,
Bridge rectifier, Capacitor filter circuit (only qualitative approch),
Zener diode voltage regulators: Regulator circuit with no load,
Loaded Regulator. Numerical examples as applicable.

Bipolar Junction Transistors: BJT operation, BJT Voltages and
Currents, BJT amplification, Common Base, Common Emitter and
Common Collector Characteristics, Numerical examples as
applicable.

Module -2
BJT Biasing (Text-1): DC Load line and Bias Point, Base Bias,
Voltage divider Bias, Numerical examples as applicable.

Introduction to Operational Amplifiers (Text-2): Ideal OPAMP,
Inverting and Non Inverting OPAMP circuits, OPAMP applications:
voltage follower, addition, subtraction, integration, differentiation;
Numerical examples as applicable

Module – 3
Digital Electronics (Text-2): Introduction, Switching and Logic
Levels, Digital Waveform (Sections 9.1to 9.3). Number Systems:
Decimal Number System, Binary Number System, Converting
Decimal to Binary, Hexadecimal Number System: Converting
Numbers: Binary to Octal Conversion. Complement of Binary
Numbers. Boolean Algebra Theorems, De Morgan’s theorem. Digital
Circuits:  Logic gates, NOT Gate, AND Gate, OR Gate, XOR Gate,
NAND Gate, NOR Gate, X-NOR Gate. Algebraic Simplification,
NAND and NOR Implementation (Sections 11.7 and 11.8): NAND

Module-4
Flip-Flops (Text-2): Introduction to Flip-Flops (Section 12.1), NAND
Gate Latch/ NOR Gate Latch, RS Flip-Flop, Gated Flip-Flops:
Clocked RS Flip-Flop (Sections 12.3 to 12.5).
Microcontrollers (Ref.1): Introduction to Microcontrollers, 8051
Microcontroller Architecture and an example of Microcontroller
based stepper motor control system (only Block Diagram approach).

Module-5
Communication Systems (Text-2): Introduction, Elements of
Communication Systems, Modulation: Amplitude Modulation,
Spectrum Power, AM Detection (Demodulation), Frequency and
Phase Modulation.  Amplitude and Frequency Modulation: A
comparison.

Transducers (Text-2): Introduction, Passive Electrical Transducers,
Resistive Transducers, Resistance Thermometers, Thermistor.
Linear Variable Differential Transformer (LVDT).  Active Electrical
Transducers, Piezoelectric Transducer, Photoelectric Transducer

Course outcomes:
After studying this course, students will be able to:
• Appreciate the significance of electronics in different applications,
• Understand the applications of diode in rectifiers, filter circuits and
wave shaping,
• Apply the concept of diode in rectifiers, filters circuits
• Design simple circuits like amplifiers (inverting and non inverting),
comparators, adders, integrator and differentiator using OPAMPS,
• Compile the different building blocks in digital electronics using logic
gates and implement simple logic function using basic universal
gates, and
• Understand the functioning of a communication system, and different
modulation technologies, and
• Understand the basic principles of different types of Transuducers.

Question paper pattern:

• The question paper will have ten questions.

• Each full Question consisting of 16 marks

• There will be 2 full questions(with a maximum of  four sub

questions) from each module.

• Each full question will have sub questions covering all the topics

under a module.

• The students will have to answer 5 full questions, selecting one full

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