A multimode graded index fibre exhibits total pulse broadening of 0.1 us cover a distance of 1.5km. What is the maximum possible band width on the lin

Question

A multimode graded index fibre exhibits total pulse broadening of 0.1 us cover a distance of 1.5km. What is the maximum possible band width on the lin

A multimode graded index fibre exhibits total pulse broadening of 0.1 us cover a distance of 1.5km. What is the maximum possible band width on the link assuming no inter symbol interference?
A. 10MHz
B. 7.5M Hz
C. 5MHz
D. 2.5MHz

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
The maximum possible optical band width is equivalent to the maximum possible bit rate (for return to zero pulses). It is given by
`B_(T)=(1)/(2tau)=(1)/(2xx0.1xx10^(-6))=5MHz`

4 views Answered 2023-02-05 15:29