Data Sheet

USBProtocolSuiteUserManual 519
DecodedFieldsview TeledyneLeCroyCorporation
10.15 Decoded Fields view
See“DecodedFieldsView”onpage 453forinformation.
10.16 Eye Diagram View
Aneyediagramisadisplayinwhichadigitalsignalfromareceiverisrepetitivelysampled
andappliedtotheverticalinput,whilethedatarateisusedtotriggerthehorizontal
sweep.Itisatoolfortheevaluationofthecombinedeffectsofchannelnoiseandinter‐
symbolinterferenceontheperformanceofabasebandpulse‐transmissionsystem.Itis
thesynchronizedsuperpositionofallpossiblerealizationsofthesignalofinterestviewed
withinaparticularsignalinginterval.
InVoyagerM310P,ThePowerDeliveryCompliancetestincludescapturinganEye
Diagramofasequenceofbitstransmittedbythedeviceundertest.Theonlywayto
capturethisEyeistoruntheUSBPDCompliancetest,whichrequiresaLicenseKey.A
tracewhichiscapturedasaresultofaneyetestwillcontainthedatathatisdisplayed
below.SeeFigure 10.76.
Figure 10.76: Eye Diagram View