A carrier signal C(t)=25sin(2.512×1010t) is amplitude modulated by a message signal m(t)=5sin ( 1.57×108t ) and transmitted through an antenna. What will be bandwidth of the modulated signal ?
Cm​=25sin(2.5×1010t)=5sin(1.56×108t)=2fm​=2π2×1.56×100​Mtz≈50MHz​