A multimode graded index fiber exhibits a total pulse broadening of 0.15μsover a distance of 16 km. Estimate the maximum possible bandwidth, assuming no intersymbol interference.
Question
A multimode graded index fiber exhibits a total pulse broadening of 0.15μsover a distance of 16 km. Estimate the maximum possible bandwidth, assuming no intersymbol interference.
Solution
The maximum possible bandwidth (B) can be estimated using the formula:
B = 1 / (2 * τ)
where τ is the total pulse broadening.
Given that the total pulse broadening (τ) is 0.15μs over a distance of 16 km, we can substitute this value into the formula:
B = 1 / (2 * 0.15μs)
This gives us:
B = 1 / 0.3μs
Therefore, the maximum possible bandwidth is approximately 3.33 GHz.
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