In an FM system, 1 MHz carrier is modulated by a message signal of B.W. 1 kHz. If the signal is passed through a non-linear device whose output is y(t) = x3 (t), then carrier frequency will be centered at
1
1 MHz
2
3 MHz
3
1.5 MHz
4
none
In an FM system, 1 MHz carrier is modulated by a message signal of B.W. 1 kHz. If the signal is passed through a non-linear device whose output is y(t) = x3 (t), then carrier frequency will be centered at