Multiple choice

A device with input x(t) and output y(t) is characterized by: y(t) = x2(t). An FM signal with frequency deviation of 90 kHz and modulating signal bandwidth of 5 kHz is applied to this device. The bandwidth of the output signal is

  1. 370 kHz

  2. 190 kHz

  3. 380 kHz

  4. 95 kHz

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A Correct answer
Explanation