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Subject Code:18CS33 CIE Marks:40
SEE Marks:60
Number of Contact Hours/Week:3:0:0 Total Number of Contact Hours:40 Exam Hours:3 Hrs

Course Learning Objectives: This course (18CS33) will enable students to:

Explain the use of photoelectronics devices, 555 timer IC, Regulator ICs and uA741 opamap IC
Make use of simplifying techniques in the design of combinational circuits.
Illustrate combinational and sequential digital circuits
Demonstrate the use of flipflops and apply for registers
Design and test counters, Analog-to-Digital and Digital-to-Analog conversion techqniues.

Module 1

Optoelectronic Devices: Photodiodes, Phototransistors, Light Emitting Diodes, Liquid Crystal Displays, and Optocouplers.
Wave Shaping Circuits: Integrated Circuit Multivibrators
Linear Power Supplies: Linear IC Voltage, Regulated Power Suppy Parameters Operational Amplifier Application Circuits: Inverting Amplifier, Non-inverting amplifier, Voltage Follower, Summing Amplifier, Difference Amplifier, Averagor, Integrator, Differentiator, Peak Detector, Absolute Value Circuit, Comparotor, Instrumentation Amplifier, Relaxation Oscillator, Current-to-Voltage and Voltage-to-Current Converter

Textbook 1: Chapter7 – 7.4, 7.5, 7.10, 7.11, 7.14; Chapter13 – 13.10; Chapter14 – 14.6, 14.7;
Chapter17 – 17.1, 17.2, 17.3, 17.4, 17.5, 17.6, 17.7, 17.8, 17.12, 17.13, 17.14, 17.17, 17.19, 17.20, 17.21

Module 2

Combinational Logic Circuits: Sum-of-Products Method, Truth Table to Karnaugh Map, Pairs Quads, and Octets, Karnaugh Simplifications, Don’t-care Conditions, Product-of-sums Method, Product-of-sums simplifications, Simplification by Quine-McClusky Method
Introduction to HDL, HDL Implementation Models.

Text book 2: Chapter2 – 2.5; Chapter3 – 3.2 to 3.9, 3.11.

Module 3

Data-Processing Circuits: Multiplexers, Demultiplexers, 1-of-16 Decoder, BCD to Decimal Decoders, Seven Segment Decoders, Encoders, Exclusive-OR Gates, Parity Generators and Checkers, Magnitude Comparator, Programmable Array Logic, Programmable Logic Arrays, HDL Implementation of Data Processing Circuits.

Text book 2: Chapter4 – 4.1 to 4.9, 4.11, 4.12, 4.14.

Module 4

Flip- Flops: RS Flip-Flops, Gated Flip-Flops, Edge-triggered RS FLIP-FLOP, Edge-triggered D FLIP-FLOPs, Edge-triggered JK FLIP-FLOPs, FLIP-FLOP Timing, JK Master-slave FLIP-FLOP, HDL Implementation of FLIP-FLOP.
Registers: Types of Registers, Serial In - Serial Out, Serial In - Parallel out, Parallel In -Serial Out, Parallel In - Parallel Out, Universal Shift Register, Applications of Shift Registers.

Text book 2: Chapter8 – 8.1 to 8.7, 8.12; Chapter9: 9.1 to 9.6

Module 5

Counters: Asynchronous Counters, Decoding Gates, Synchronous Counters, Changing the Counter Modulus, Decade Counters, Counter Design using HDL.
D/A Conversion and A/D Conversion: Variable, Resistor Networks, Binary Ladders, D/A Converters, D/A Accuracy and Resolution, A/D Converter-Simultaneous Conversion, A/D Converter-Counter Method, Continuous A/D Conversion

Text book 2:- Chapter10 – 10.1 to 10.5, 10.9; Ch 12: 12.1 to 12.7

Course Outcomes: The student will be able to :

Design and analyze application analog circuits using photodevices, timer IC, power supply and regulator IC and opamp.
Simplify digital circuits using Karnaugh Map , POS and Quine-McClusky Methods
Explain Gates and flipflops and make us in designing different data processing circuits, registers and counters and compare the types.
Develop simple HDL programs
Explain the basic principles of A/D and D/A conversion circuits and develop the same.

Question Paper Pattern:

The question paper will have ten questions.
 • Each full Question consisting of 20 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 question from each module.

Question Bank:


1. Anil K Maini, Varsha Agarwal, Electronic Devices and Circuits, Wiley, 2012.
2. Donald P Leach, Albert Paul Malvino & Goutam Saha, Digital Principles and Applications, 8th Edition, Tata McGraw Hill, 2015.

Reference Books:

1. M. Morris Mani, Digital Design, 4th Edition, Pearson Prentice Hall, 2008.
2. David A. Bell, Electronic Devices and Circuits, 5th Edition, Oxford University Press, 2008