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A signal x(t) = 100cos(24 103)t is ideally sampled with a...

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Digital Communication
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A signal x(t) = 100cos(24π × 103)t is ideally sampled with a sampling period of 50 psec and then passed through an ideal lowpass filter with cutoff frequency of 15 kHz. Which of the following frequencies is/are present at the filter output?

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Correct Answer: Option D
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