Register To Attempt Complete Test
In the figure, M (f) is the Fourier transform of the message signal m(t) where A = 100 Hz and B = 40 Hz. Given v(t)=cos (2πfct) and w(t)=cos (2π(fc + A)t), where fc > A. The cut-off frequencies of both the filters are fc.
The bandwidth of the signal at the output of the modulator (in Hz) is