Total No. of Pages : 02
Total No. of Questions : 18
--- Content provided by FirstRanker.com ---
B.Tech. (ECE) (Sem.=5)
ANALOG AND DIGITAL COMMUNICATION
Subject Code : UC-BTEC-501-18
M.Code : 78757
Time : 3 Hrs. Max. Marks : 60
--- Content provided by FirstRanker.com ---
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
--- Content provided by FirstRanker.com ---
Write briefly :
- Differentiate between analog and digital signals.
- What is the significance of carrier in modulation?
- Draw the frequency spectrum of DSB-SC signal.
- Enlist various types of noise in communication channel.
- What do you mean by Unit impulse function?
- Differentiate between EDM and TDM.
- Explain aperture effect.
- Define slope overload distortion in delta modulation.
- What are the digital modulation formats?
- What are the advantages of MSK?
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
SECTION-B
- Derive the expression for AM wave.
- Explain the sampling process and its various steps in detail.
- Explain Adaptive Delta Modulation in detail.
- Describe the noise in frequency modulation.
- Draw and describe continuous phase modulation.
--- Content provided by FirstRanker.com ---
SECTION-C
- Explain the generation and detection of VSB wave.
- Draw and explain working of adaptive delta modulation.
- Describe the generation and detection of QPSK.
--- Content provided by FirstRanker.com ---
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
--- Content provided by FirstRanker.com ---
This download link is referred from the post: PTU B.Tech 5th Semester Last 10 Years 2011-2021 Previous Question Papers|| Punjab Technical University