Which of the following is/are the limitations of amplitude modulation?

In amplitude modulation

What is amplitude modulation?

Draw backs of Amplitude modulation

What is the band width in amplitude modulation ?

Which of the following is digital modulation technique?

A: The bandwidth of a modulated signal is 2f_(m) in amplitude modulation, where f_(m) is the frequency of the modulating signal. R: In case of amplitude modulation the frequency of a modulated signal is equal to the frequency of the carrier wave.

Which of the following is correct for immuno-modulators?

In amplitude modulation, sinusoidal carrier frequency used is denoted by omega_(c) and the signal frequency is denoted by omega_(m) . The bandwidth (Deltaomega_(m)) of the signal is such that Deltaomega_(m)ltltomega_(c) . Which of the following frequency is not contained in the modulated wave.

Write two advantages of frequency modulation over amplitude modulation.

Write two basic modes of communication. Explain the process of amplitude modulation. Draw a schematic sketch showing how amplitude modulated signal is obtained by superposing modulating signal over a sinusoidal carrier wave.