Question Paper: Priniciples of Communication Engineering Question Paper - May 18 - Electronics And Telecomm (Semester 4) - Mumbai University (MU)
Electronics And Telecomm (Semester 4)
Total marks: 80
Total time: 3 Hours
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
Q1 Solve the following
Distinguish between narrowband and wideband FM.
What is companding?
Why AGC is required in radio receivers?
Explain aliasing error and aperature effect.
Explain various types of noise affecting communication system.
What are the drawbacks of delta mdulation? Explain adaptive delta modulation in detail.
What is signal multiplexing? Explain TDM and FDM in detail.
State and prove sampling theorem for low pass bandlimited signals.
Explain Practical diode detector with suitable example.
What are the differences methods of FM generation? Explain reactance modulator in detail.
Explain how PPM is generated from PWM
Explain superheterodyne receiver
Explain VSB transmission.
Q6 Write note on (any four)
Quadrature amplitude modulation
Amplitude limiting and thresholding.
Low level and high level modulation
PCM and DPCM
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