Communication Systems - Engineering

Q1:

In an FM signal, the modulating frequency is 2 kHz and maximum deviation is 10 kHz. The bandwidth requirement is

A 2 kHz

B 10 kHz

C 5 kHz

D 32 kHz

ANS:B - 10 kHz

Bandwidth = 2(10 + 5) j 30 kHz. This is an approximate value. Exact value is 32 kHz.