Communication Systems - Engineering

Q1:

The modulating frequency in frequency modulation is increased from 10 kHz to 30 kHz. The bandwidth is increased by

A 6

B 1/6 times

C increase by 30 kHz

D increase by 20 kHz

ANS:A - 6

BW = 2fm(1 + β) for β >> 1  B.W. a 2fm .