ec6651 Communication Engineering, Exams of Analog Communication

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(Common to Electrical and Electronics Engineering/Instrume: neg no:( 111 TTT TTI Question Paper Code: 71740 B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2017. Sixth Semester Electronics and Instrumentation Engineering EC 6651 — COMMUNICATION ENGINEERING ntation and Control Engineering) (Regulations 2013) Maximum : 100 marks Time : Three hours n 10. Answer ALL questions. PART A — (10 x 2 = 20 marks) Define Narrowband FM. What is the difference between VSB and SSB modulations? State dny two advantages of MSK. State Sampling theorem. each with probability 0.2. A Discrete Memoryless source emits 5 symbols, Compute the entropy of the DMS. What is error control coding? What is CDMA? What is the most critical requirement of TDMA technique? What are the different types of fiber? Which type is more preferred? Among LED and LASER, which is more popularly used now? Why? Scanned by CamScanner