EC8395 Important 16 marks Questions Communication Engineering
EC8395 Important 16 marks Questions Communication Engineering Regulation 2017 Anna University free download. Communication Engineering Important 16 marks Questions EC8395 pdf free download.
Sample EC8395 Important 16 marks Questions Communication Engineering:
1 Explain about Amplitude modulation transmitter and superhetrodyne receiver with relevant diagrams (13)
2 Derive the expression for AM wave and draw its corresponding spectrum. Also derive the expression for transmitting power.(13) EC8395 Important 16 marks Questions Communication Engineering
3 With the help of mathematical expressions explain about amplitude modulation and derive its efficiency.
4 Explain the Low level and high level modulators in AM and detection of AM using envelope detection.
5 Explain in detail about non-linear square law modulator and balanced modulator of conventional AM technique.(13) EC8395 Important 16 marks Questions Communication Engineering
6 A Amplitude modulating signal 20sin(2π*103 t) is used to modulate a carrier signal 40sin(2π*104 t) find out:
1. Modulation index (2)
2.Percentage modulation (2)
3. Frequencies of the sideband components and their amplitudes. (4)
4. Bandwidth of modulating signal. (3)
5. Draw the spectrum of AM wave. (2)
7 Explain detail about DSB-SC generations and power saving efficiency in detail.(13) EC8395 Important 16 marks Questions Communication Engineering
8 Explain detail about DSB-SC Modulators(Balanced, switching) in detail.(13)
9 With a block diagram, explain in detail how DSBSC signals are generated?
10 With the help of a neat block diagram explain about the generation of SSB-SC signal and wave.(13) EC8395 Important 16 marks Questions Communication Engineering
11 Explain in detail about SSB-SC generation using phase shift And Modified phase shift method..(13)
12 Explain in detail about SSB-SC demodulators methods in detail.(13)
13 (i) Compare amplitude modulation and angle modulation.(10) (ii) Write a note on frequency analysis(FM) of angle modulated waves(3)
14 Explain in detail about SSB-SC generation using different type of demodulation technique.(13)
15 Define modulation index for FM and PM and obtain the relationbetween modulation index and modulating signal for FM and PM(13) EC8395 Important 16 marks Questions Communication Engineering
16 Explain the principle of Angle Modulation. Derive and explain PM and FM equations.(13)
| Subject name | Communication Engineering |
| Semester | 3 |
| Subject Code | EC8395 |
| Regulation | 2017 regulation |
EC8395 Important 16 Mark Questions Communication Engineering Click Here To Download
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EC8395 Notes Communication Engineering