engineering recuitment ISRO Scientist Electronics Mock Test Communication Systems Amplitude Modulation Conventional Amplitude Modulation
A message signal m (t) = sinc(t) + sinc2 (t) modulates the carrier c(t) = A cos 2π fct. The bandwidth of the modulated signal is -
1
\(\frac{1}{4}\)
2
\(\frac{1}{2}f_c\)
3
2 fc
4
2