Communication Systems
Which of the following does not cause losses in optical fibre cables?

Stepped index operation
Attenuation in glass
Impurities
Microbending

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
In Pulse Code Modulation system

Quantising noise can be reduced by decreasing the number of standard levels
Quantising noise can be overcome by companding
Suffers from the disadvantage of its incompatibly with TDM
Large bandwidth is required

ANSWER DOWNLOAD EXAMIANS APP