A 1000 kHz carrier is simultaneously modulated with 300 Hz, 800 Hz and 2 kHz audio sine waves. Which of the following frequency is least likely to be present in the output? - Communication Systems

Electronics and Communication Engineering (ECE) : Communication Systems - Quiz(MCQ)

A 1000 kHz carrier is simultaneously modulated with 300 Hz, 800 Hz and 2 kHz audio sine waves. Which of the following frequency is least likely to be present in the output?

A)

998.0 kHz

B)

999.2 kHz

C)

1000 kHz

D)

1002 kHz

Correct Answer : Option (C) : 1000 kHz

Explanation :

Frequency present in the sidebands is equal to = f_c ± f_m, f_c ± 2f_m, f_c ± 3f_m .

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