Can any of you here please provide me the last year question paper of Punjab Technical University (PTU) for B.Tech ECE V Sem-Analog Communication Systems (EC-301) Exam???

Here I am providing you the last year question paper of Punjab Technical University (PTU) for B.Tech ECE V Sem-Analog Communication Systems (EC-301) Exam

Is it possible to suppress both side bands without affecting information
in AM?

What are the frequency range of AM and FM broadcast bands?

Why is higher percentage of modulation desirable in AM?

What are the applications of SSB system?

The Q of a tuned circuit is 250 at the resonant frequency of 500 kHz.
What is the bandwidth? ' . .

What is the cause of diagonal clipping in a diode detector?

Why is' local oscillator frequency' always higher than the signal frequency?




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