engineering recuitment ISRO Scientist Electronics Mock Test Communication Systems Angle Modulation Frequency Modulation
A signal m(t) = 10 cos (2π 100t) is frequency-modulated. The resulting FM signal is x(t) = 20 cos {2π 106 t + 15 sin (2π 100 t)}
The FM bandwidth is nearly1
3.2 kHz
2
9.6 kHz
3
32 kHz
4
100 kHz