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What is the carrier frequency in an AM wave when its highest frequency component is 850Hz and the bandwidth of the signal is 50Hz?

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80 Hz

695 Hz

625 Hz

825 Hz

answer is D.

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Detailed Solution

Given:

Upper frequency = 850Hz

Bandwidth = 50Hz

Therefore lower Frequency = 850 – 50= 800 Hz

Carrier Frequency = $\frac{Upper frequency - lower frequency}{2}$ = $\frac{(850 - 800)}{2}$
= 825 Hz

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