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Question

Nyquist Theorem to calculate maximum data rate is -

A
2H log2 bits/sec.
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B
H log2 V bits/sec
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C
H log2 (1 + S/N)
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D
2H log2 (1 + S/N)
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Solution

The correct option is B 2H log2 bits/sec.

Nyquist theorem to calculate maximum data rate is 2H log2log2 bits/sec.

Nyquist bit rate formuladefines the theoretical maximum bit rate. r = 2 X B X log2 L. In this formula, B is the bandwidth of the channel, L is the number of signal levels used to represent data, and r is the bit rate in bits per second.

The Nyquist rate, is twice the bandwidth of a band limited function or a band limited channel.

Data rate governs the speed of data transmission. A very important consideration in data communication is how fast we can send data, in bits per second, over a channel.


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