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Communication Systems - Engineering

Q1:

The total bandwidth needed for an AM signal at 55.25 MHz with 0.5 MHz video modulation is

A 0.25 MHz

B 0.5 MHz

C 1 MHz

D 10 MHz

ANS:C - 1 MHz

The Video signal is AM, the video signal is modulating signal so it is fm, in am bw is equal to 2 fm.