What is bandwidth equal to?

The bandwidth of a signal is defined as the difference between the upper and lower frequencies of a signal generated. As seen from the above representation, Bandwidth (B) of the signal is equal to the difference between the higher or upper-frequency (fH) and the lower frequency (fL) .

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Why is bandwidth in frequency?

Bandwidth is completely related to frequency but definitely, bandwidth is not frequency. However, bandwidth is the range of frequencies. Bandwidth is defined as the difference in the upper and lower frequency components present in a signal . Thus, it specifies the amount of data being transmitted per second.

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