26 Mar '13, 10pm

How to perform CAN eye-diagram mask testing on differential controller area network (CAN) signals

How to perform CAN eye-diagram mask testing on differential controller area network (CAN) signals

Home > Characterization Test Center > Test How-To CAN eye-diagram mask testing for automotive applications Johnnie Hancock - March 26, 2013 Tweet Save & Follow Save to My Library Follow Comments Follow Author PRINT EMAIL Creating a proper CAN eye-diagram measurement on a scope’s display requires much more than just triggering on rising and/or falling edges. 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 bits are valid. This provides a composite picture of the overall quality of a system’s physical layer characteristics, which includes amplitude variations, timing uncertainties, and infrequent signal anomalies. This article explains how to perform CAN eye-diagram mask testing on differential controller area network (CAN) signa...

Full article: http://www.tmworld.com/design/characterization/4410723/CA...

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