Eye-diagram mask testing is used in a broad range of today’s serial bus applications. An eye-diagram is basically an infinite persisted overlay of all bits captured by an oscilloscope to show when ...

Figure 1 shows a mask in an eye diagram where no waveforms enter the mask. Figure 1 Eye mask test with no violations. Eye diagram courtesy of Teledyne LeCroy, green mask drawn in by Ransom Stephens.

Agilent Technologies Inc. introduced the oscilloscope industry's first eye-diagram mask testing capability for the differential Controller Area Network (CAN) serial bus. Agilent Technologies Inc ...