May 2nd, 2015
Studypool Tutor
Price: $10 USD

Tutor description

1. Define Amplitude Modulation. 2. What is AM wave envelope? 3. Define modulation index for an AM wave.

Word Count: 999
Showing Page: 1/11
COMMUNICATION THEORYS K C TDEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERINGQUESTION BANKSUB.NAME: COMMUNICATION THEORYYEAR /SEM : II / IV______________________________________________________________________________UNIT IAMPLITUDE MODULATION SYSTEMSPART-A (2 Marks)1. Define Amplitude Modulation.2. What is AM wave envelope?3. Define modulation index for an AM wave.4. List out the advantages of AM.5. Define the transmission efficiency of AM signal6. As related to AM, what is over modulation, under modulation and 100% modulation? 7. Define FDM .8. Define SSB.9. Mention the applications of SSB.10. Mention the advantages of VSB.PART-B (16 Marks)1. (a).Explain the generation of AM signals using square law modulator.(8)(b).Explain the detection of AM signals using envelope detector.(8)2. Explain Balanced modulator to generate DSB-SC signal.(16)3. Explain coherent detector to detect SSB-SC signal.(16)4. Explain the generation of SSB using balanced modulator.(16)5. Draw the circuit diagram of Ring modulator and explain with its operation.(16)6. Discuss the coherent detection of DSB-SC modulated wave with a block diagram of detector and Explain.(16)7. Draw the block diagram for the generation and demodulation of a VSB signal and explain the principle of operation.(16)8. Write short notes on frequency translation and FDM.(16)UNIT IIANGLE MODULATION SYSTEMSPART-A (2 Marks)1. Define PM.2. Define FM.3. Define F

Review from student

Studypool Student
" awesome work thanks "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1821 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors