Eye diagrams usually include voltage and time samples of the data acquired at some sample rate below the data rate. In Figure 1 , the bit sequences 011, 001, 100, and 110 are superimposed over one another to obtain the final eye diagram.
An eye diagram is a common indicator of the quality of signals in high-speed digital transmissions. An oscilloscope generates an eye diagram by overlaying sweeps of different segments of a long data stream driven by a master clock.
Here are descriptions of some of the main parts of the eye: Cornea: The cornea is the clear outer part of the eye’s focusing system located at the front of the eye. Iris: The iris is the colored part of the eye that regulates the amount of light entering the eye.