What is the change in the bandwidth of the signal in FM when the modulating frequency increases from 12 KHz to 24KHz?
A. 40 Hz
B. 58 Hz
C. 24 Hz
D. Bandwidth remains unaffected
Answer:C
What is the change in the bandwidth of the signal in FM when the modulating frequency increases from 12 KHz to 24KHz?
A. 40 Hz B. 58 Hz C. 24 Hz D. Bandwidth remains unaffected
Explanation: According to Carson’s rule, the bandwidth required is twice the sum of the maximum frequency deviation and the maximum modulating signal frequency. Or,