Oscilloscope Reference Eye Base
Eye Base
Eye Base is the base value u sed in the extinction ratio measurements.
Eye Base = pBaseMean
Eye diagram
The eye diagram is a synchronized display o f a data stream that shows signal levels and transition regions,
typically over one cycle.
The eye diagram has the appearance of an opened eye. Compared to a normal instrument display, the eye
diagram generally appears as an untriggered waveform. This is because on successive cycles the signal is
high and then low. The areas of interest are the transition regions and eye opening.
Eye Height
Eye height is the measurement of the eye height in volts.
Eye Height = (pTopMean - 3 × pTopSigma) - (pBaseMean + 3 × pBaseSigma)
Eye Top
Eye Top is the top value used in the extinction ratio measurements.
Eye
Top = pTopMean
Eye Width
Eye width is the measurement of eye width in seconds.
Eye Width = (tCross2Mean –3 × pTopSigma) – (tCross1Mean + *tCross1Sigma)
DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series 817
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