Exam Details

Subject analog and digital communication
Paper
Exam / Course b.tech. - information technology
Department
Organization SETHU INSTITUTE OF TECHNOLOGY
Position
Exam Date May, 2017
City, State tamil nadu, pulloor


Question Paper

Reg. No.
B.E. B.Tech. DEGREE EXAMINATION, MAY 2017
Third Semester
Information Technology
01UIT306 ANALOG AND DIGITAL COMMUNICATION
(Regulation 2013)
Duration: Three hours Maximum: 100 Marks
Answer ALL Questions.
PART A (10 x 2 20 Marks)
1. Define amplitude modulation.
2. Draw the frequency spectrum and mention the bandwidth of AM signal.
3. Write the relationship between the minimum bandwidth required for an FSK system and the bit rate.
4. What are the advantages of PSK as compared to FSK?
5. What is meant by fading?
6. What does the term catastrophic cyclic code represent?
7. State sampling theorem.
8. How eye pattern is obtained?
9. State the balance property of random binary sequence.
10. Define pseudo noise sequence.
PART B x 16 80 Marks)
11. Describe the frequency analysis of angle modulated waves. Explain their bandwidth requirements.
Question Paper Code: 31836
2
31836
Or Explain the method of generating FM signal using direct and indirect method.
12. What is carrier recovery? Discuss how carrier recovery is achieved by the squaring loop and cost as loop circuits. Or Explain the generation and detection of coherent QPSK system in detail.
13. Describe about analog and digital channel model. Or What are the common problems associated with the channels? Explain about satellite channels and telephone channels.
14. Describe in detail about the adaptive delta modulation system. Or What is pulse modulation? Discuss about various pulse modulation schemes.
15. Explain the source coding of speech for wireless communication. Or Explain DS-SS system with coherent BPSK.


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Subjects

  • advanced database systems
  • agile software development
  • analog and digital communication
  • analysis and design of algorithms
  • applied statistics and queuing networks
  • building enterprise application
  • coding and information theory
  • compiler design
  • computer networks
  • computer organization
  • cryptography and network security
  • data analytics
  • data mining concepts and techniques
  • database systems
  • discrete mathematics
  • embedded computing systems
  • environmental science and engineering
  • graphics with opengl
  • high performance networks
  • information storage management
  • java programming
  • management information systems
  • microprocessors and microcontrollers
  • mobile communication systems
  • object oriented analysis and design
  • object oriented programming
  • object oriented software engineering methodologies
  • principles of operating systems
  • principles of software testing
  • programming with data structures
  • project management and finance
  • qualitative and quantitative aptitude
  • service oriented architecture
  • software architecture
  • transforms and partial differential equations
  • user interface framework development
  • web technology
  • wireless communication