Analog Communications Important Questions Pdf file – AC Imp Qusts Pdf file
Please find the attached pdf file of Analog Communications Important Questions Bank – AC Imp Qusts
Link – AC Question Bank
UNIT-I
AMPLITUDE MODULATION
1 Define modulation. Why is modulation required?
2 Define is modulation index?
3 Describe the DSB-SC wave modulation with spectrum?
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UNIT-II
SSB MODULATION
1 What are the Advantages of SSB systems?
2 Compare different AM systems?
3 List Application of different AM systems?
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UNIT-III
ANGLE MODULATION
1 What is Angle modulation? What are different types of Angle modulation?
2 Define PM & FM? What is frequency deviation & phase deviation?
3 Compare AM and FM?
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UNIT-IV
NOISE IN ANALOG COMMUNICATION SYSTEMS
- Explain how noise affects performance of analog modulation systems?
- Define figure of merit?
- Discuss threshold effect?
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UNIT-V
RECEIVERS& PULSE MODULATION
1. Define Sensitivity and Selectivity?
2. List the Classification of receivers?
3. Explain Super heterodyne working principle?
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