![]() Then among the various frequencies how can we specify the range occupied by the complete signal?Īs bandwidth provides an idea about the range of the transmitted signal. The figure below shows the bandwidth of a signal ‘ f’ with lower and upper frequencies as f l and f u respectively:īasically, we know that a signal which is transmitted from an end to another consists of various frequency components. Thus, it specifies the amount of data being transmitted per second. Bandwidth is defined as the difference in the upper and lower frequency components present in a signal. However, bandwidth is the range of frequencies. Definition of Bandwidthīandwidth is completely related to frequency but definitely, bandwidth is not frequency. Hence we can say that the frequency of a signal is dependent on the occurrence of the cycle in unit time. Whereas that of the second signal is 2Hz. Thus the frequency of the first signal is 1 Hz. While in the second the overall complete cycle is 2 per second. This represents that the two signal waveforms have different frequencies.Īs in the first case, the total complete cycle is only 1 per second. It is clear from the figure that the wavelength of the waveform is larger in the first case while it is quite smaller in the second case. Here as we can see that both the waveforms are of different frequencies. The figure below represents two different waveforms: ![]() It basically shows the occurrence of overall complete wave cycles in the unit time. It defines the amount of data transmitted in unit time.įrequency is defined as the total number of wave cycles present in each second of a waveform. It defines the number of complete cycles in unit time. In this article, we will see how bandwidth is different from frequency. But the two have different meanings when studied in the context of networking. Both frequency and bandwidth have a similar measuring unit i.e., hertz. ![]()
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