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Audio sine waves of 3 kHz frequency are ...

Audio sine waves of 3 kHz frequency are used to amplitude modulate a carrier signal of 1.5 MHz. Which of the following statements are true?

A

The side band frequencies are `1506 kHz` and `1494 kHz`.

B

The bandwidth required for amplitude modulation is `6 kHz`.

C

The bandwidth required for amplitude modulation is `3 MHz`.

D

The side band frequencies are `1503 kHz` and `1497 kHz`.

Text Solution

Verified by Experts

The correct Answer is:
B, D
`LSB=f_(c)-f_(m)`
`USB=f_(c)+f_(m)`
Band width `=2f_(m)`
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