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how to calculat the data rate from the the bandwidth

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So.nia

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hello all;


i need to calculate the data rate from the bandwidth ;
i need to hnow the coefficient , by which i must multiply the bandwidth

thanks
 

Depends on modulation method and boundary conditions like noise, see the Shannon–Hartley theorem. The simplest context is given by the Nyquist rate limiting equation: fp ≦ 2B , where fp is the pulse frequency (in pulses per second) and B is the bandwidth (in Hz) - quoted from the a.m. Wiki explanation page.

I.e. the bandwidth must be greater than - or at least equal to - half the data rate.
 

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