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If F1 and F2 are the lower and upper cutoff frequencies of a band pass signal, then what is the condition to be satisfied to call such a band pass signal as narrow band signal?

If F1 and F2 are the lower and upper cutoff frequencies of a band pass signal, then what is the condition to be satisfied to call such a band pass signal as narrow band signal? Correct Answer (F1-F2)⋘\(\frac{F_1+F_2}{2}\)(factor of 10 or more)

If the difference in the cutoff frequencies is much less than the mean frequency, the such a band pass signal is known as narrow band signal.

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