What is an eye diagram?

What is an eye diagram?

1. What is an eye diagram?
An eye diagram is an overlay of all possible received bit sequences, e.g. the sum of…

Note: should really be an overlap of “infinitely long” bit sequences to get a true eye. This catches all potential inter-symbol interference
results in…

(the above is considered to be an “open” eye)
Eye diagrams can be used to evaluate distortion in the received signal, e.g. a “closed” eye

Note:More the wide open eye more the network is error-free
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Parameters and their effect on signal performance w.r.t Eye diagram