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"Eye" Know How

The Gigabit Challenge!

As many interfaces are reaching gigabit data rates signal integrity is getting more and more critical. Various different parasitic effects are going to disturb signal quality so that the receiving chip is not able to recognize the data bit sent by the transmitting device. Some effects are:

  • Inter Symbol Interference (ISI)
  • Crosstalk
  • Impedance mismatch between Driver (TX), PCB routing and receiver termination (RX)
  • Point to multi point topologies
  • Power/ground noise
  • It gets impossible to predict signaling performance just from experience

To ensure a “first time right” design, simulations need to be done. And the result, quite often a data eye, needs to be evaluated carefully and a Timing Budget has to be calculated. In case there is enough margin this result can also be used to reduce cost in case design guides are too conservative or just do not fit in your environment.

However, it is very expensive to invest in software and manpower needed to master the gigabit challenge. There is no need for this invest if you have a partner who has the “Eye” KnowHow!

Most recent downloads

The following file downloads are the two files made available most recently. You can view and download more files at our downloads section.

  • Christmas Present: New Features in (LP)DDR5
  • Just a short excerpt from the "Open the Black Box of Memory" seminar. More detailed than normal web ressources, but full explanation and backgrounds are discussed in the OtBBoM seminar. Merry Christmas and have fun!
  • Date: 2023-12-20 / File size: 505.1 KB
  • Download
  • Keysight Certified Expert
  • Certificate to confirm EKH being accepted to the Keysight (then Agilent) Certified Expert program
  • Date: 2023-01-23 / File size: 275.5 KB
  • Download


Hermann Ruckerbauer

Itzlinger Straße 21a
94469 Deggendorf

Phone: +49 991 29692905
Fax: +49 991 98158793
Mobile: +49 176 78778777