15EC43T: Digital Communication Electronics 4th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Digital Communication detail DTE Kar Diploma syllabus for Electronics And Communication Engineering (EC), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15EC43T), 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 electronics 4th sem syllabus for diploma c15 scheme dte karnataka you can visit Electronics 4th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for digital communication is as follows.

Pre-requisites:

Knowledge of analog communication, analog electronic circuits and digital electronics.

Course Objectives:

1. Understand the working of Digital Communication Systems.
2. Understand and analyze the different coding, digital modulation and multiplexing techniques.
3. Know the types of transmission media and elements of optical fiber system.

Course Outcomes:

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. Its a light weight, easy to use, no images, no pdfs platform to make students life easier.

Unit -1: Digital communication techniques 09 Hours

Definition of signal and classification. Functional Block diagram of digital communication system. Comparison of analog and digital communications. Base band and pass band transmission. Definition of information capacity, entropy, bit-rate, baud rate and bandwidth of digital data and solve simple problems. Shannon’s theorem, Shannon-Hartley theorem, amount of
information, sampling process, and sample and hold circuit. Types of sampling. Sampling theorems for low pass and band pass signals. Nyquist criterion and aliasing effect. Analog pulse modulation techniques-PAM, PPM, PWM.

Unit – 2: Digital coding of analog Signals 07 Hours

Quantization. Definition, process and classification. Pulse-code modulation system and DPCM Quantization noise and companding process. Delta modulation system and adaptive delta modulation. Applications, advantages and disadvantages in each case. Comparison of different pulse modulation methods. Line coding and types – unipolar RZ and NRZ, Polar RZ and NRZ, bipolar NRZ (AMI), split phase Manchester format with examples.

Unit – 3: Digital modulation techniques 12 Hours

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Unit – 4: Multiplexing techniques and multiple Access 06 Hours

Concept of FDM and TDM, 4-channel PAM/TDM system, signaling rate, transmission bandwidth, synchronization, crosstalk and guard time. Digital multiplexers-principle, classification. Performance factors- bit rate, transmission channel bandwidth. Solve simple problems. Advantages and disadvantages of TDM. Working principle of T1 digital carrier system. Multiple access methods-TDMA, FDMA and CDMA and Comparison.

Unit -5: Error Detection and Correction 06 Hours

Definition of error, types of errors and redundancy, error control strategies, error control codes, Parity check bit coding, LRC, VRC, CRC, Checksum with examples.

Unit- 6: Transmission Media 12 Hours

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. Its a light weight, easy to use, no images, no pdfs platform to make students life easier.

Reference Books:

1. Digital Communication Systems, Simon Haykin, Wiley India, ISBN:9788126542314
2. Digital and analog communication systems, K.Sham Shanmugam, Wiley India, ISBN:978126536801.
3. Fiber Optic Communication systems, 3ed, w/cd, Agarwal, Wiley India, ISBN:9788126513864.
4. Analog and Digital Communications, T. L. Singal, McGraw Hill Education (india) Pvt. Ltd. New Delhi. ISBN 10: 0071072691 ISBN 13: 9780071072694.
5. Digital Communications, P. Ramkrishna Rao, McGraw Hill Education (india) Pvt. Ltd. New Delhi. ISBN-10:0-07-070776-6, ISBN-13:978-0-07-070776-4.
6. Principles of Electronic Communication Systems, Louis E. Frenzel, Tata McGraw Hill Education Pvt. Ltd. New Delhi, ISBN-13:978-0-07-066755-6, ISBN-10:0-07-066755-1.
7. Introduction to Analog & Digital Communications, 2ed, Haykin, Wiely India, ISBN:9788126536535.
8. Fiber Optic Communication Systems, Dr.R.K.Singh, Wiley India, ISBN:9788126531349.
9. http://electronicdesign.com/communications/understanding-modern-digital-modulation-techniques
10. https://www.youtube.com/watch?v=Q -Bts76TfI
11. https://www.youtube.com/watch?v=YJmUkNTBa8s
12. https://www.youtube.com/watch?v=7h2xr-pi5VQ
13. https://www.youtube.com/watch?v=Wh9knsYSodI
14. https://www.youtube.com/watch?v=PWaNMjimtP0
15. https://www.youtube.com/watch?v=9VmA2S2XiCo
16. https://www.youtube.com/watch?v=ifgs0uypC78
17. https://www.youtube.com/watch?v=pIlBlNW7sOo
18. https://www.youtube.com/watch?v=aNqiTCZ-nko

Course Delivery:

The course will be delivered through lectures, presentations and support of modern tools.

Student Activity (5 marks)

The following student activities or similar activities can be assigned for assessing CIE/IA marks

1. Collect and prepare a handwritten brief report on the functional blocks in digital communication system such as scramblers, unscramblers, equalizers or clock recovery circuits with specifications and applications.
2. Recognize/identify the digital modulation technique and line coding for the voice signal transmission in telephone system and Prepare a brief handwritten report with specifications and applications.
3. Visit a nearest telephone exchange, collect and prepare a handwritten brief report on optical fibers for the communication purpose with specifications.
4. Identify the type of multiplexing and multiple access technique used for the mobile communication purpose and Prepare a handwritten brief report on any one with specifications and applications.
5. Recognize the optical emitters or optical detectors used for optical fiber communications and prepare a handwritten report that includes specifications, cost, applications, etc.

Execution Mode

1. At least one activity is mandatory for each batch of 2 students;carried throughout the semester and submit the report before the end of the semester.
2. Report shall be qualitative and not to exceed 6 pages.
3. Activity can be carried out off-class; however, demonstration/presentation should be done in the class room.
4. Teacher is expected to observe and record the progress of students’ activities
5. Assessment is made based on quality of work as prescribed by the table.

Model Question Paper:

for CIE

1. Define signal and classify them.
2. State the sampling theorem for the low pass signals
3. Mention the merits, demerits and applications of data compression
4. Describe briefly the delta modulation system with the help of block diagram.

Model Question Paper:

Part A

1. Define signal and classify them.
2. Describe the working of sample and hold circuit.
3. Illustrate briefly RZ and NRZ format for the unipolar signaling format with waveform.
4. Write a brief note on eye pattern.
5. What do you mean by inter symbol interference? Name the types of digital carrier modulation schemes.
6. What is multiplexing? Mention the advantages.
7. What is error in digital communication? Describe briefly the types of errors.
8. Describe briefly the types of transmission media.
9. Mention the advantages of optical fiber media.

Part B

1. State the sampling theorem for the low pass signals. (4)
2. Describe briefly the generation of PAM signal. (6)
2. Describe briefly the functional block diagram of digital communication system. (10)
1. Define quantization and name the types. (3)
2. Describe briefly the quantization process of an analog signal. (7)
4. Explain the block diagram of pulse code modulation system . (10)
1. Describe binary ASK scheme with the help of waveform. (4)
2. Explain briefly the coherent detection of binary ASK. (6)
1. Describe briefly the generation of binary PSK signal. (5)
2. List the advantages and disadvantages of error control codes (5)
1. Describe the working of 4 channel PAM/TDM system. (6)
2. Write a brief note on CDMA . (4)
1. Write a note on error control strategies.(6)
2. Differentiate bit error and burst error. (4)
1. Describe briefly the principle of operation of optical fiber. (6)
2. What is angle of acceptance and numerical aperture? (4)
1. Describe briefly the principle of operation of LED. (6)
2. List the advantages and limitations of optical fiber. (4)

Institutional activities (No marks)

The following are suggested institutional activities, to be carried out at least one during the semester. The course teacher/coordinator is expected to maintain the relevant record (Containing, Activity name, Resource persons and their details, duration, venue, student feedback, etc) pertaining to Institutional activities.

1. Organize seminar, workshop or lecture from experts on the modern trends in digital communication
2. Motivate students to take case study on different digital communication-based mini projects (small applications such as applications specified in student activity) to inculcate self and continuous learning

For detail syllabus of all other subjects of BE Electronics, C15 scheme do visit Electronics 4th Sem syllabus for C15 scheme.

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