15EC33T: Analog Communication Electronics 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Analog 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 (15EC33T), 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 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Electronics 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for analog communication is as follows.

Pre-requisites:

Basic knowledge of semiconductor devices and basic principles of electrical and electronics

Course Objectives:

1. Apply the basic knowledge of BEEE theory and analyze the network theorems
2. Understand the functioning and application of resonance, filters and attenuator circuits
3. Describe the working of analog modulation and demodulation circuits
4. Understand transmission lines and matching networks

Course Outcomes:

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Unit 1: Network Theorems 10 Hours

Network Theorems: Superposition theorem, Thevenin’s theorem, Maximum Power Transfer theorem and Norton’s theorem, Statements and simple problems.

Unit 2: Resonance, filters and attenuators 11 Hours

Resonance: Definition, types, applications of resonance. Series resonance and Parallel resonance: circuit diagram, phasor diagram, resonance plot and characteristics. Condition for resonance. Derivation for frequency of resonance. Expressions for impedance, current, voltage, Q factor, power factor and bandwidth in terms of Q. Simple problems. Passive Filters: Definition of Filter, cut-off frequency, pass band and stop band. Classification of filters. Ideal characteristics curve of passive LPF, HPF, BPF and BRF. Circuit diagram of T and PI configurations of LPF and HPF (Only expressions, No Derivation), Simple problems. Block diagrams to realize BPF & BRF using LPF & HPF.
Attenuators: Definition, classification and applications of attenuators. Definition of Bel, Decibel and Neper. Relationship between Bel, Decibel and Neper. Express attenuation in dB. Circuit diagram of symmetrical T and n type attenuators (Only expressions, No Derivation).

Unit 3: Transmission lines 07 Hours

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Unit 4: Antennas and wave propagation 07 Hours

Antennas: Definition of antenna and dipole. Concept of electric and magnetic fields in a dipole. Definition of Polarization, Isotropic radiator, Radiation pattern, Directive gain, Directivity, Power gain, Antenna resistance, Antenna efficiency, Beam width. Array antenna: Definition and types of array antenna, working of broadside, end-fire array, mention their applications. Features of yagi-uda antenna. Working of Parabolic reflector (Dish Antenna) – Feed mechanisms – Cassegrain and Horn feed. Wave Propagation: Fundamentals of Electromagnetic Waves, electromagnetic spectrum, modes of wave propagation: ground wave propagation, sky wave propagation and space wave propagation. Comparison of modes of wave propagation.

Unit 5: Amplitude modulation and demodulation 09 Hours

Modulation: Block diagram of electronic communication system, distinguish between analog and digital communication, define modulation, need for modulation and types of analog modulation techniques. Amplitude modulation and demodulation: definition, block diagram and waveform, expressions of modulating signal, Carrier signal, modulated signal, modulation index in terms of modulating voltage (Vm) and carrier voltage (Vc), modulation index in terms of maximum voltage (Vmax) and minimum voltage (Vmin), modulation index in case of simultaneous modulations, LSB and USB, Bandwidth, Power in AM wave. Solve simple problems. Amplitude Modulator circuit using diode. Demodulation of AM wave, working of AM Linear diode detector circuit. Definition with working principal of SSBSC, DSBSC, VSB and comparison between them.

Unit 6: Frequency modulation and demodulation 08 Hours

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Reference Books:

1. Electrical Engineering Fundamentals, by Vincent Del Toro, Prentice-hall of India Pvt. Ltd. ISBN: 0132471310, 9780132471312
2. Communication Engineering, by Vijayachitra, McGraw Hill Education (India) Private Limited; First edition (1 May 2013), ISBN: 1259006867, 9781259006869
3. Basic Electrical Engineering, by D.P. Kothari and I.J. Nagrath, Tata McGraw-Hill Publishing Pvt. Ltd. ISBN: 0070435898, 9780070435896
4. Electronic Communication systemsby William Schweber, Fourth Edition PHI Publications ISBN: 0130916218, 9780130916211
5. Electronic Communicationby Dennis Roddy and John Coolen PHI Publications ISBN: 8177585584, 9788177585582
6. Analog and Digital Communications – T L Singal, McGraw Hill Education
7. ISBN: 1259084523, 9781259084522
8. http://nptel.ac.in/courses/117102059/
9. https://www.youtube.com/watch?v=Xw2_AWWjAn0
10. https://www.youtube.com/watch?v=UW X2sfwA5w
11. https://www.youtube.com/watch?v=dGu2mxpTRPs
12. https://www.youtube.com/watch?v=hqhV50852jA
13. https://www.youtube.com/watch?v=ZYgFuUl9 Vs
14. https://www.youtube.com/watch?v=m9ikRi -Iqo
15. https://www.youtube.com/watch?v=eNmh_G_v_-o
16. https://www.youtube.com/watch?v=wegmG4qHvkk
17. https://www.youtube.com/watch?v=_5JyiFWLn-w
18. https://www.youtube.com/watch?v=SmW4z76KgNQ&spfreload=10
19. https://www.youtube.com/watch?v=R04yEKqgGPc

Course Delivery:

The course will be delivered through lectures, presentations and support of modern tools. Student activities are off-class.

Student Activity (5 marks)

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

1. Visit any local small-scale industry and prepare work flow of any specific electronic module preparation- from discrete components to module fabrication.
2. Design, construct and demonstrate any resonant circuit
3. Prepare a document on different antennas and tabulate the specific details of each / datasheets/ application
4. Demonstrate Amplitude modulation and demodulation
5. Demonstrate / presentation / simulation how Radio works
6. Demonstrate / presentation / simulation how LED TV works
7. Prepare/collect animation video of wave propagation and fundamentals of Electromagnetic Waves and give presentation on it.
8. List different wave propagations and give presentation on it.

Execution Note:

1. Maximum of 2 students in each batch for student activity
2. Any two activities (either from the list given or any similar activities) shall be assigned among different batches; may be assigned by the teacher based on interest of the students.
3. Project activities shall be carried out throughout the semester and present the project report at the end of the semester; concerned teacher is expected to observe and record the progress of students’ activities
4. Submit qualitative hand-written report not exceeding 6 pages; one report per batch
5. Each of the activity can be carried out off-class well in advance; however, demonstration/presentation should be done during laboratory sessions
6. Assessment shall be based on quality of work as prescribed by the table

Model Question Paper:

for CIE

1. State and explain Thevenin’s theorem with an example

Or State and prove Maximum Power transfer theorem with an example

2. Define resonance, mention types and its applications
3. Derive expression for frequency of resonance for series resonance circuit

Model Question Paper:

Part-A

1. Employ the suitable circuit and describe it with respect to superposition theorem
2. State the relevance of Maximum Power Transfer theorem with suitable circuit diagram
3. Define resonance, mention types and its application
4. Whether the curve represents the response of the circuit given below. Justify why current is maximum at resonance.
5. Write a note on single-stub matching and double-stub matching.
6. Point out the working of parabolic reflector (Dish Antenna) – Feed mechanisms -Cassegrain and Horn feed.
7. Compare the modes of wave propagation.
8. Distinguish analog and digital modulation technique.
9. Write a short note on FM detectors.

Part-B

1. Problem on Thevenin’s theorem
2. Illustrate the application of the Norton’s theorem with an example.
3. Derive expression for frequency of resonance, Q factor, power factor and bandwidth
1. Realize BPF & BRF using LPF & HPF
2. Problem on attenuator
5. Discuss the concepts of reflection and standing waves, expressions for standing wave ratio
6. With relevant expression/figures define Polarization, Isotropic radiator, Radiation pattern, Directive gain, Directivity, Power gain, Antenna resistance, Antenna efficiency, Beam width.
1. Derive modulation index in terms of Vmax and Vmin
2. Compare SSBSC, DSBSC and VSB
8. Identify the modulation technique described by the following equation. Also sketch the waveform and block diagram that can generate the waveform.

S(‘t’) = Vm1(‘t’) Cos(‘wct’) + Vm2(‘t’) Cos(wct + 900)

9. Define the phase modulation of Selectivity, Sensitivity, Gain, Fidelity , Image Frequency and its Rejection, Double Spotting, Noise Figure
1. Write and explain Varactor diode method for generating FM
2. Explain need for pre-emphasis and de-emphasis along with circuits.

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 communication
2. One day visit to nearby industry/ electronic equipment service centre/radio station/TV station/ Microwave tower
3. Motivation class for the students to take case study on different communicationbased mini projects (small applications) to inculcate self and continuous learning.

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

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