15EI31T: Digital Electronics Instrumentation 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Digital Electronics detail DTE Kar Diploma syllabus for Electronics Instrumentation And Control Engineering (EI), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15EI31T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other instrumentation 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Instrumentation 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for digital electronics is as follows.

Pre-requisites:

Basic Mathematics and Science upto 10thStandard, Basics of Electrical And Electronics Engineering

Course Objectives:

1. Sufficient Knowledge of Basics of Electrical and Electronics Engineering subject
2. Understand the basic concepts of Logic gates, Boolean algebra
3. Brief insight to the Combinational and Sequential Circuits

Course Outcomes:

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UNIT-I LOGIC FAMILIES

Introduction, list of various logic families, Define:- propagation delay, fan-out, fan-in, power dissipation, Noise Margin, Noise Immunity & speed with reference to logic families. Compare Standard TTL, CMOS & ECL Logic families. Interface between TTL &CMOS and Interface between CMOS and TTL. 5 Hours

UNIT-II LOGIC GATES

Difference between analog signals and digital signals , Types of logics & representation using electric signals, Definition of Logic gate, Basic Logic Gates (NOT, OR, AND, NOR, NAND, EX-OR & EX-NOR) – symbol, function, expression, truth table , Define Universal Gate and realization of other gates using Universal gates 5 Hours

UNIT-III BOOLEAN ALGEBRA

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UNIT-IV COMBINATIONAL CIRCUITS

Define a Combinational Circuit ,Arithmetic(Binary)Circuits:-Logical expression, gate Level logic circuit, truth table & applications of:-Half-adder, Half-subtractor, Full-adder, Fullsubtractor, Serial adder, 4 bit parallel adders ,2 bit Magnitude Comparator

Encoders:
definition, gate level circuit of decimal to BCD Encoders with truth table, Definition of Priority Encoder. Decoders: definition, gate level circuit of BCD to Decimal Decoders, BCD to Seven Segment Decoder with truth tables.

Multiplexers:
definition, gate level circuit and truth Tables of 2:1, 4:1, 8:1.Multiplexers.,

Demultiplexers:
Definition, gate level circuit and truth tables of 1:2, 1:4 ,1:8 Demultiplexers. 14Hours

UNIT-V SEQUENTIAL CIRCUITS

Clock-definition, characteristics, types of triggering & waveform.

Flip- Flops
definition, Types:- RSFlip-flop, D Flip Flop, T Flip Flop, JK Flip Flop, MS-JK flip-flop -gate level circuit using NAND gates, working, truth table and applications. Define Sequential Circuit, Compare Combinational and Sequential Logic Circuits

Shift Registers-
Introduction, Working of various types of 4 bit shift registers-SISO, SIPO, PISO,PIPO with truth table using flip flop, Working of 4 Bit Ring and Johnson Counters with timing diagram and Truth table, Applications of shift registers

Counters –
Introduction, Define Synchronous and Asynchronous Counters – Their Comparison. modulus of a counter, different Modulus counters using decoding gates:- Mod 3 counter, Mod 6 counter, working of 4 bit ripple counter with truth table and timing diagram, propagation delay , decade counter/ mod-10 counter, Four Bit Synchronous counter with truth table and timing diagram, applications of counters 16 Hours

Reference Books:

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FEW USEFUL WEBSITES WHERE STUDY MATERIALS CAN BE USED AS REFERENCE

1. www.eeng.dcu.ie/~digital1/ Most of the topics of Digital Electronics
2. www.daenotes.com
3. www.asic-world.com/digital
4. www.talkingelectronics.com/
5. www.electronics-tutorials.ws
6. www.circuitstoday.com
7. www.electrical4u.com

Brief topics about Digital Electronics concepts

Few Suggested Student activities-

Example 1

1. Do Market survey on List of Integrated circuits available in the market and collect the following information like name of the ICs, specifications, Price etc. The student should submit a handwritten report. Documents have to be maintained as a record.
2. Take Quiz tests / assignments in topics of Digital electronics. Documents have to be maintained as a record.
3. Do a power point presentation on current topics in Digital electronics. Documents have to be maintained as a record.
4. Visit YouTube or any other sites on current topics in Digital electronics. Listen to the lectures and submit a handwritten report and a soft copy (CD/DVD)

Example 2

1. Full sub tractor using NAND gates
2. Design half adder using K-Map
3. Construct a mod-12 counter and write the timing diagram
4. Construct 5 bit Johnson counter and write the truth table

Note:-The student shall do any one topic from Example 1 and any one topic from Example 2 mentioned above for the purpose of assessment. The questions set for assessment should be out come based keeping in mind the analytical and creative skills

The activity should be graded as Exemplary:- 5 Marks , Good:- 4 Marks, Satisfactory:-3 Marks Developing:-2 Marks,Unsatisfactory:- 1 Mark

Course Delivery:

• The course will be delivered through lectures and Power point presentations/ Video

Model Question Paper:

PART-A

1. Differentiate analog and digital signals 5 marks
2. List and explain any three laws of Boolean algebra 5 marks
3. State and prove Demorgan’s theorem 5 marks
4. Differentiate combinational and sequential logic circuits 5 marks
5. Explain half adder circuit with truth table 5 marks
6. Differentiate synchronous and Asynchronous counters 5 marks
7. Define counter. Explain the modulus of counter 5 marks
8. Write a short note on propagation delay in ripple counters 5 marks
9. Define the following: Fan-in, Fan-out 5 marks

PART – B

1. What are Universal gates? Give examples 5 marks
2. Realize OR, AND using only NAND gates 5 marks
1. Define Pair, Quad, in Karnaugh Map 5 marks
2. What are Boolean variables? State the identities of Boolean addition and Multiplication. 5marks
1. Simplify the expression Y= (A+B) (A+B) (A+C) using Boolean algebra 5 marks
2. Simplify the expression Y=ABC+ABC+ABC+ABC+ABC using Boolean laws. 5 marks
1. Explain the working of 4 bit parallel binary adder 5 marks
2. Compare serial adder with parallel adder 5 marks
1. Describe gate level circuit of decimal to BCD encoder along with truth table 5 marks
2. Explain BCD to decimal decoder with gate level circuit and truth table 5 marks
1. Sketch and explain the gate level circuit operation of a 2:1 multiplexer 5 marks
2. Illustrate a 2 bit magnitude comparator with gate level circuit and truth table 5 marks
1. Write Logic diagram of clocked RS flip flop with truth table and explain its Operation. 5 marks
2. Write the logic symbol and truth table of JK flip flop 5 marks
1. Sketch the operation of JK flip flop with a neat logic circuit and truth table 5 marks
2. Realize T flip flop using JK flip flop 5 marks
1. Explain the operation of D flip flop with logic circuit and truth table 5 marks
2. What is race around condition ? How can it be overcome? 5 marks
1. Explain the interfacing of TTL to CMOS ICs 5 marks
2. Compare TTL logic family with CMOS 5 marks

Model Question Paper:

(CIE)

1. State Demorgan’s first and second theorem
2. Mention the characteristics of CMOS family
3. Simplify the expression Y= (A+B) (A+B) (A+C) using Boolean algebra

Or Prove Demorgan’s first and second theorem

4. Test the function of NOT and OR gate using Universal NAND gate

Or Test the function of NOT and AND gate using Universal NOR gate

For detail syllabus of all other subjects of BE Instrumentation, C15 scheme do visit Instrumentation 3rd Sem syllabus for C15 scheme.

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