An audio signal in the frequency range of 20 Hz to 10 KHz modulates the carrier. The bandwidths requirement is__________
A. 20 kHz
B. 40 kHz
C. cannot be determined from the data
D. either 'a' or 'b'
Answer:C
An audio signal in the frequency range of 20 Hz to 10 KHz modulates the carrier. The bandwidths requirement is__________
A. 20 kHz B. 40 kHz C. cannot be determined from the data D. either 'a' or 'b'